diff options
| author | Sergey Sharybin <sergey.vfx@gmail.com> | 2014-02-06 16:13:12 +0400 |
|---|---|---|
| committer | Sergey Sharybin <sergey.vfx@gmail.com> | 2014-02-06 16:13:12 +0400 |
| commit | 5cbddd4ca47b4b2b45ae7284129db5b83d1a948c (patch) | |
| tree | a2b61e7371fdb886553744ef3807c4fdf07bc66f /extern | |
| parent | 9c587ae8a053dd888c60d57080b3fdb0ce87e3f0 (diff) | |
Bye-bye FAST!
FAST detector has been replaced with fancier Harris,
so no need to keep FAST library in the sources now.
Diffstat (limited to 'extern')
| -rw-r--r-- | extern/libmv/CMakeLists.txt | 8 | ||||
| -rw-r--r-- | extern/libmv/ChangeLog | 29 | ||||
| -rw-r--r-- | extern/libmv/SConscript | 2 | ||||
| -rwxr-xr-x | extern/libmv/bundle.sh | 2 | ||||
| -rw-r--r-- | extern/libmv/files.txt | 10 | ||||
| -rw-r--r-- | extern/libmv/libmv/simple_pipeline/detect.cc | 12 | ||||
| -rw-r--r-- | extern/libmv/third_party/fast/LICENSE | 30 | ||||
| -rw-r--r-- | extern/libmv/third_party/fast/README | 31 | ||||
| -rw-r--r-- | extern/libmv/third_party/fast/README.libmv | 9 | ||||
| -rw-r--r-- | extern/libmv/third_party/fast/fast.c | 71 | ||||
| -rw-r--r-- | extern/libmv/third_party/fast/fast.h | 39 | ||||
| -rw-r--r-- | extern/libmv/third_party/fast/fast_10.c | 4665 | ||||
| -rw-r--r-- | extern/libmv/third_party/fast/fast_11.c | 3909 | ||||
| -rw-r--r-- | extern/libmv/third_party/fast/fast_12.c | 3133 | ||||
| -rw-r--r-- | extern/libmv/third_party/fast/fast_9.c | 5909 | ||||
| -rw-r--r-- | extern/libmv/third_party/fast/nonmax.c | 117 |
16 files changed, 26 insertions, 17950 deletions
diff --git a/extern/libmv/CMakeLists.txt b/extern/libmv/CMakeLists.txt index ef7e49b4d81..6c716b5752c 100644 --- a/extern/libmv/CMakeLists.txt +++ b/extern/libmv/CMakeLists.txt @@ -40,6 +40,7 @@ if(WITH_LIBMV) -DWITH_LIBMV -DWITH_LIBMV_GUARDED_ALLOC -DGOOGLE_GLOG_DLL_DECL= + -DLIBMV_NO_FAST_DETECTOR= ) list(APPEND INC @@ -86,12 +87,6 @@ if(WITH_LIBMV) libmv/tracking/track_region.cc libmv/tracking/trklt_region_tracker.cc - third_party/fast/fast_10.c - third_party/fast/fast_11.c - third_party/fast/fast_12.c - third_party/fast/fast_9.c - third_party/fast/fast.c - third_party/fast/nonmax.c third_party/gflags/gflags.cc third_party/gflags/gflags_completions.cc third_party/gflags/gflags_reporting.cc @@ -145,7 +140,6 @@ if(WITH_LIBMV) libmv/tracking/track_region.h libmv/tracking/trklt_region_tracker.h - third_party/fast/fast.h third_party/gflags/config.h third_party/gflags/gflags/gflags_completions.h third_party/gflags/gflags/gflags_declare.h diff --git a/extern/libmv/ChangeLog b/extern/libmv/ChangeLog index 1a87097a8c3..641d2518fb8 100644 --- a/extern/libmv/ChangeLog +++ b/extern/libmv/ChangeLog @@ -1,3 +1,14 @@ +commit b1381540305d69c702eb2f051bd543fb5c1c3e2c +Author: Sergey Sharybin <sergey.vfx@gmail.com> +Date: Thu Feb 6 18:01:58 2014 +0600 + + Made FAST detector optional + + This way it's possible to bundle Libmv sources subset + to applications which doesn't need FAST detector. + + Mainly this is done for Blender integration. + commit da4607f010bca0b3532cd4444afbb10bc774fc32 Author: Sergey Sharybin <sergey.vfx@gmail.com> Date: Tue Jan 28 18:32:39 2014 +0600 @@ -680,21 +691,3 @@ Date: Sun Apr 7 21:53:23 2013 +0600 usage pipeline. Anyway, deprecation shall not happen spontaneously as a part of other changes. And for sure shall not break anything. - -commit c9eb9d36bb1ca5d3037ce66633d812a224f77958 -Author: Sergey Sharybin <sergey.vfx@gmail.com> -Date: Sat Apr 6 20:49:05 2013 +0600 - - Revert "Change libmv's bilinear sampling to assume the same" - - Revert changes to bilinear sampler which were originally - aimed to match blender's pixel center (where integer coord - is a left-bottom corner, x.5 coords are centers. - - The reason of revert is changing this assumption in only - sampler didn't work well and lead to wrong results of - BlurredImageAndDerivativesChannels for example. - - Discovered when was doing unit-tests for brute region tracker. - - This reverts commit daa354c0735b954b0cd7725626e9a3d67416d46b. diff --git a/extern/libmv/SConscript b/extern/libmv/SConscript index 6926b36f335..544e5fda381 100644 --- a/extern/libmv/SConscript +++ b/extern/libmv/SConscript @@ -16,6 +16,7 @@ if env['WITH_BF_LIBMV']: defs.append('GOOGLE_GLOG_DLL_DECL=') defs.append('WITH_LIBMV') defs.append('WITH_LIBMV_GUARDED_ALLOC') + defs.append('LIBMV_NO_FAST_DETECTOR') src = env.Glob("libmv-capi.cc") src += env.Glob('libmv/image/*.cc') @@ -23,7 +24,6 @@ if env['WITH_BF_LIBMV']: src += env.Glob('libmv/numeric/*.cc') src += env.Glob('libmv/simple_pipeline/*.cc') src += env.Glob('libmv/tracking/*.cc') - src += env.Glob('third_party/fast/*.c') src += env.Glob('third_party/gflags/*.cc') incs += ' ../Eigen3 third_party/ceres/include ../../intern/guardedalloc' diff --git a/extern/libmv/bundle.sh b/extern/libmv/bundle.sh index 5f7251eaac9..48d68435ef7 100755 --- a/extern/libmv/bundle.sh +++ b/extern/libmv/bundle.sh @@ -128,6 +128,7 @@ if(WITH_LIBMV) -DWITH_LIBMV -DWITH_LIBMV_GUARDED_ALLOC -DGOOGLE_GLOG_DLL_DECL= + -DLIBMV_NO_FAST_DETECTOR= ) list(APPEND INC @@ -231,6 +232,7 @@ if env['WITH_BF_LIBMV']: defs.append('GOOGLE_GLOG_DLL_DECL=') defs.append('WITH_LIBMV') defs.append('WITH_LIBMV_GUARDED_ALLOC') + defs.append('LIBMV_NO_FAST_DETECTOR') src = env.Glob("libmv-capi.cc") $src diff --git a/extern/libmv/files.txt b/extern/libmv/files.txt index a639ea3afa5..cb6546ae8ff 100644 --- a/extern/libmv/files.txt +++ b/extern/libmv/files.txt @@ -76,16 +76,6 @@ libmv/tracking/track_region.cc libmv/tracking/track_region.h libmv/tracking/trklt_region_tracker.cc libmv/tracking/trklt_region_tracker.h -third_party/fast/fast_10.c -third_party/fast/fast_11.c -third_party/fast/fast_12.c -third_party/fast/fast_9.c -third_party/fast/fast.c -third_party/fast/fast.h -third_party/fast/LICENSE -third_party/fast/nonmax.c -third_party/fast/README -third_party/fast/README.libmv third_party/gflags/AUTHORS third_party/gflags/ChangeLog third_party/gflags/config.h diff --git a/extern/libmv/libmv/simple_pipeline/detect.cc b/extern/libmv/libmv/simple_pipeline/detect.cc index 09adfccf96e..4039c83210c 100644 --- a/extern/libmv/libmv/simple_pipeline/detect.cc +++ b/extern/libmv/libmv/simple_pipeline/detect.cc @@ -25,7 +25,6 @@ #include <stdlib.h> #include <memory.h> #include <queue> -#include <third_party/fast/fast.h> #include "libmv/base/scoped_ptr.h" #include "libmv/image/array_nd.h" @@ -34,6 +33,10 @@ #include "libmv/logging/logging.h" #include "libmv/simple_pipeline/detect.h" +#ifndef LIBMV_NO_FAST_DETECTOR +# include <third_party/fast/fast.h> +#endif + #ifdef __SSE2__ # include <emmintrin.h> #endif @@ -92,6 +95,7 @@ void FilterFeaturesByDistance(const vector<Feature> &all_features, void DetectFAST(const FloatImage &grayscale_image, const DetectOptions &options, vector<Feature> *detected_features) { +#ifndef LIBMV_NO_FAST_DETECTOR const int min_distance = options.min_distance; const int min_trackness = options.fast_min_trackness; const int margin = options.margin; @@ -140,6 +144,12 @@ void DetectFAST(const FloatImage &grayscale_image, } free(scores); free(nonmax); +#else + (void) grayscale_image; // Ignored. + (void) options; // Ignored. + (void) detected_features; // Ignored. + LOG(FATAL) << "FAST detector is disabled in this build."; +#endif } #ifdef __SSE2__ diff --git a/extern/libmv/third_party/fast/LICENSE b/extern/libmv/third_party/fast/LICENSE deleted file mode 100644 index f347008d6ef..00000000000 --- a/extern/libmv/third_party/fast/LICENSE +++ /dev/null @@ -1,30 +0,0 @@ -Copyright (c) 2006, 2008 Edward Rosten -All rights reserved. - -Redistribution and use in source and binary forms, with or without -modification, are permitted provided that the following conditions -are met: - - - *Redistributions of source code must retain the above copyright - notice, this list of conditions and the following disclaimer. - - *Redistributions in binary form must reproduce the above copyright - notice, this list of conditions and the following disclaimer in the - documentation and/or other materials provided with the distribution. - - *Neither the name of the University of Cambridge nor the names of - its contributors may be used to endorse or promote products derived - from this software without specific prior written permission. - -THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS -"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT -LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR -A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR -CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, -EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, -PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR -PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF -LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING -NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS -SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. diff --git a/extern/libmv/third_party/fast/README b/extern/libmv/third_party/fast/README deleted file mode 100644 index 77017078d08..00000000000 --- a/extern/libmv/third_party/fast/README +++ /dev/null @@ -1,31 +0,0 @@ -FAST feature detectors in C Version 2.0 ---------------------------------------- - -The files are valid C and C++ code, and have no special requirements for -compiling, and they do not depend on any libraries. Just compile them along with -the rest of your project. - -To use the functions, #include "fast.h" - -The corner detectors have the following prototype (where X is 9, 10, 11 or 12): - -xy* fastX_detect_nonmax(const unsigned char * data, int xsize, int ysize, int stride, int threshold, int* numcorners) - -Where xy is the following simple struct typedef: - -typedef struct -{ - int x, y; -} xy; - -The image is passed in as a block of data and dimensions, and the list of -corners is returned as an array of xy structs, and an integer (numcorners) -with the number of corners returned. The data can be deallocated with free(). -Nonmaximal suppression is performed on the corners. Note that the stride -is the number of bytes between rows. If your image has no padding, then this -is the same as xsize. - -The detection, scoring and nonmaximal suppression are available as individual -functions. To see how to use the individual functions, see fast.c - - diff --git a/extern/libmv/third_party/fast/README.libmv b/extern/libmv/third_party/fast/README.libmv deleted file mode 100644 index 2110976dd14..00000000000 --- a/extern/libmv/third_party/fast/README.libmv +++ /dev/null @@ -1,9 +0,0 @@ -Project: FAST (FAST Corner Detection) -URL: http://mi.eng.cam.ac.uk/~er258/work/fast-C-src/ -License: BSD -Upstream version: 2.1, released 12-Jan-2009 - -Local modifications: -- Created CMakeLists.txt for CMake build. -- Update CMakeLists to be sure that the library is a compatible with C++ linkage. -- Update CMakeLists to not include fast.h to compile fast library with VS2005. diff --git a/extern/libmv/third_party/fast/fast.c b/extern/libmv/third_party/fast/fast.c deleted file mode 100644 index c675f0af883..00000000000 --- a/extern/libmv/third_party/fast/fast.c +++ /dev/null @@ -1,71 +0,0 @@ -#include <stdlib.h> -#include "fast.h" - - -xy* fast9_detect_nonmax(const byte* im, int xsize, int ysize, int stride, int b, int* ret_num_corners) -{ - xy* corners; - int num_corners; - int* scores; - xy* nonmax; - - corners = fast9_detect(im, xsize, ysize, stride, b, &num_corners); - scores = fast9_score(im, stride, corners, num_corners, b); - nonmax = nonmax_suppression(corners, scores, num_corners, ret_num_corners); - - free(corners); - free(scores); - - return nonmax; -} - -xy* fast10_detect_nonmax(const byte* im, int xsize, int ysize, int stride, int b, int* ret_num_corners) -{ - xy* corners; - int num_corners; - int* scores; - xy* nonmax; - - corners = fast10_detect(im, xsize, ysize, stride, b, &num_corners); - scores = fast10_score(im, stride, corners, num_corners, b); - nonmax = nonmax_suppression(corners, scores, num_corners, ret_num_corners); - - free(corners); - free(scores); - - return nonmax; -} - -xy* fast11_detect_nonmax(const byte* im, int xsize, int ysize, int stride, int b, int* ret_num_corners) -{ - xy* corners; - int num_corners; - int* scores; - xy* nonmax; - - corners = fast11_detect(im, xsize, ysize, stride, b, &num_corners); - scores = fast11_score(im, stride, corners, num_corners, b); - nonmax = nonmax_suppression(corners, scores, num_corners, ret_num_corners); - - free(corners); - free(scores); - - return nonmax; -} - -xy* fast12_detect_nonmax(const byte* im, int xsize, int ysize, int stride, int b, int* ret_num_corners) -{ - xy* corners; - int num_corners; - int* scores; - xy* nonmax; - - corners = fast12_detect(im, xsize, ysize, stride, b, &num_corners); - scores = fast12_score(im, stride, corners, num_corners, b); - nonmax = nonmax_suppression(corners, scores, num_corners, ret_num_corners); - - free(corners); - free(scores); - - return nonmax; -} diff --git a/extern/libmv/third_party/fast/fast.h b/extern/libmv/third_party/fast/fast.h deleted file mode 100644 index 06fa90ec98c..00000000000 --- a/extern/libmv/third_party/fast/fast.h +++ /dev/null @@ -1,39 +0,0 @@ -#ifndef FAST_H -#define FAST_H - -#ifdef __cplusplus -extern "C" { -#endif - -typedef struct { int x, y; } xy; -typedef unsigned char byte; - -int fast9_corner_score(const byte* p, const int pixel[], int bstart); -int fast10_corner_score(const byte* p, const int pixel[], int bstart); -int fast11_corner_score(const byte* p, const int pixel[], int bstart); -int fast12_corner_score(const byte* p, const int pixel[], int bstart); - -xy* fast9_detect(const byte* im, int xsize, int ysize, int stride, int b, int* ret_num_corners); -xy* fast10_detect(const byte* im, int xsize, int ysize, int stride, int b, int* ret_num_corners); -xy* fast11_detect(const byte* im, int xsize, int ysize, int stride, int b, int* ret_num_corners); -xy* fast12_detect(const byte* im, int xsize, int ysize, int stride, int b, int* ret_num_corners); - -int* fast9_score(const byte* i, int stride, xy* corners, int num_corners, int b); -int* fast10_score(const byte* i, int stride, xy* corners, int num_corners, int b); -int* fast11_score(const byte* i, int stride, xy* corners, int num_corners, int b); -int* fast12_score(const byte* i, int stride, xy* corners, int num_corners, int b); - - -xy* fast9_detect_nonmax(const byte* im, int xsize, int ysize, int stride, int b, int* ret_num_corners); -xy* fast10_detect_nonmax(const byte* im, int xsize, int ysize, int stride, int b, int* ret_num_corners); -xy* fast11_detect_nonmax(const byte* im, int xsize, int ysize, int stride, int b, int* ret_num_corners); -xy* fast12_detect_nonmax(const byte* im, int xsize, int ysize, int stride, int b, int* ret_num_corners); - -xy* nonmax_suppression(const xy* corners, const int* scores, int num_corners, int* ret_num_nonmax); - - -#ifdef __cplusplus -} -#endif - -#endif diff --git a/extern/libmv/third_party/fast/fast_10.c b/extern/libmv/third_party/fast/fast_10.c deleted file mode 100644 index 7929a653a12..00000000000 --- a/extern/libmv/third_party/fast/fast_10.c +++ /dev/null @@ -1,4665 +0,0 @@ -/*This is mechanically generated code*/ -#include <stdlib.h> - -#include "fast.h" - -int fast10_corner_score(const byte* p, const int pixel[], int bstart) -{ - int bmin = bstart; - int bmax = 255; - int b = (bmax + bmin)/2; - - /*Compute the score using binary search*/ - for(;;) - { - int cb = *p + b; - int c_b= *p - b; - - - if( p[pixel[0]] > cb) - if( p[pixel[1]] > cb) - if( p[pixel[2]] > cb) - if( p[pixel[3]] > cb) - if( p[pixel[4]] > cb) - if( p[pixel[5]] > cb) - if( p[pixel[6]] > cb) - if( p[pixel[7]] > cb) - if( p[pixel[8]] > cb) - if( p[pixel[9]] > cb) - goto is_a_corner; - else - if( p[pixel[15]] > cb) - goto is_a_corner; - else - goto is_not_a_corner; - else - if( p[pixel[14]] > cb) - if( p[pixel[15]] > cb) - goto is_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - if( p[pixel[13]] > cb) - if( p[pixel[14]] > cb) - if( p[pixel[15]] > cb) - goto is_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else if( p[pixel[6]] < c_b) - if( p[pixel[12]] > cb) - if( p[pixel[13]] > cb) - if( p[pixel[14]] > cb) - if( p[pixel[15]] > cb) - goto is_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else if( p[pixel[12]] < c_b) - if( p[pixel[7]] < c_b) - if( p[pixel[8]] < c_b) - if( p[pixel[9]] < c_b) - if( p[pixel[10]] < c_b) - if( p[pixel[11]] < c_b) - if( p[pixel[13]] < c_b) - if( p[pixel[14]] < c_b) - if( p[pixel[15]] < c_b) - goto is_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - if( p[pixel[12]] > cb) - if( p[pixel[13]] > cb) - if( p[pixel[14]] > cb) - if( p[pixel[15]] > cb) - goto is_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else if( p[pixel[5]] < c_b) - if( p[pixel[15]] > cb) - if( p[pixel[11]] > cb) - if( p[pixel[12]] > cb) - if( p[pixel[13]] > cb) - if( p[pixel[14]] > cb) - goto is_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else if( p[pixel[11]] < c_b) - if( p[pixel[6]] < c_b) - if( p[pixel[7]] < c_b) - if( p[pixel[8]] < c_b) - if( p[pixel[9]] < c_b) - if( p[pixel[10]] < c_b) - if( p[pixel[12]] < c_b) - if( p[pixel[13]] < c_b) - if( p[pixel[14]] < c_b) - goto is_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - if( p[pixel[6]] < c_b) - if( p[pixel[7]] < c_b) - if( p[pixel[8]] < c_b) - if( p[pixel[9]] < c_b) - if( p[pixel[10]] < c_b) - if( p[pixel[11]] < c_b) - if( p[pixel[12]] < c_b) - if( p[pixel[13]] < c_b) - if( p[pixel[14]] < c_b) - goto is_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - if( p[pixel[11]] > cb) - if( p[pixel[12]] > cb) - if( p[pixel[13]] > cb) - if( p[pixel[14]] > cb) - if( p[pixel[15]] > cb) - goto is_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else if( p[pixel[11]] < c_b) - if( p[pixel[6]] < c_b) - if( p[pixel[7]] < c_b) - if( p[pixel[8]] < c_b) - if( p[pixel[9]] < c_b) - if( p[pixel[10]] < c_b) - if( p[pixel[12]] < c_b) - if( p[pixel[13]] < c_b) - if( p[pixel[14]] < c_b) - if( p[pixel[15]] < c_b) - goto is_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else if( p[pixel[4]] < c_b) - if( p[pixel[14]] > cb) - if( p[pixel[10]] > cb) - if( p[pixel[11]] > cb) - if( p[pixel[12]] > cb) - if( p[pixel[13]] > cb) - if( p[pixel[15]] > cb) - goto is_a_corner; - else - if( p[pixel[5]] > cb) - if( p[pixel[6]] > cb) - if( p[pixel[7]] > cb) - if( p[pixel[8]] > cb) - if( p[pixel[9]] > cb) - goto is_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else if( p[pixel[10]] < c_b) - if( p[pixel[5]] < c_b) - if( p[pixel[6]] < c_b) - if( p[pixel[7]] < c_b) - if( p[pixel[8]] < c_b) - if( p[pixel[9]] < c_b) - if( p[pixel[11]] < c_b) - if( p[pixel[12]] < c_b) - if( p[pixel[13]] < c_b) - goto is_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else if( p[pixel[14]] < c_b) - if( p[pixel[6]] < c_b) - if( p[pixel[7]] < c_b) - if( p[pixel[8]] < c_b) - if( p[pixel[9]] < c_b) - if( p[pixel[10]] < c_b) - if( p[pixel[11]] < c_b) - if( p[pixel[12]] < c_b) - if( p[pixel[13]] < c_b) - if( p[pixel[5]] < c_b) - goto is_a_corner; - else - if( p[pixel[15]] < c_b) - goto is_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - if( p[pixel[5]] < c_b) - if( p[pixel[6]] < c_b) - if( p[pixel[7]] < c_b) - if( p[pixel[8]] < c_b) - if( p[pixel[9]] < c_b) - if( p[pixel[10]] < c_b) - if( p[pixel[11]] < c_b) - if( p[pixel[12]] < c_b) - if( p[pixel[13]] < c_b) - goto is_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - if( p[pixel[10]] > cb) - if( p[pixel[11]] > cb) - if( p[pixel[12]] > cb) - if( p[pixel[13]] > cb) - if( p[pixel[14]] > cb) - if( p[pixel[15]] > cb) - goto is_a_corner; - else - if( p[pixel[5]] > cb) - if( p[pixel[6]] > cb) - if( p[pixel[7]] > cb) - if( p[pixel[8]] > cb) - if( p[pixel[9]] > cb) - goto is_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else if( p[pixel[10]] < c_b) - if( p[pixel[6]] < c_b) - if( p[pixel[7]] < c_b) - if( p[pixel[8]] < c_b) - if( p[pixel[9]] < c_b) - if( p[pixel[11]] < c_b) - if( p[pixel[12]] < c_b) - if( p[pixel[13]] < c_b) - if( p[pixel[14]] < c_b) - if( p[pixel[5]] < c_b) - goto is_a_corner; - else - if( p[pixel[15]] < c_b) - goto is_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else if( p[pixel[3]] < c_b) - if( p[pixel[9]] > cb) - if( p[pixel[10]] > cb) - if( p[pixel[11]] > cb) - if( p[pixel[12]] > cb) - if( p[pixel[13]] > cb) - if( p[pixel[14]] > cb) - if( p[pixel[15]] > cb) - goto is_a_corner; - else - if( p[pixel[5]] > cb) - if( p[pixel[6]] > cb) - if( p[pixel[7]] > cb) - if( p[pixel[8]] > cb) - goto is_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - if( p[pixel[4]] > cb) - if( p[pixel[5]] > cb) - if( p[pixel[6]] > cb) - if( p[pixel[7]] > cb) - if( p[pixel[8]] > cb) - goto is_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else if( p[pixel[9]] < c_b) - if( p[pixel[6]] < c_b) - if( p[pixel[7]] < c_b) - if( p[pixel[8]] < c_b) - if( p[pixel[10]] < c_b) - if( p[pixel[11]] < c_b) - if( p[pixel[12]] < c_b) - if( p[pixel[5]] < c_b) - if( p[pixel[4]] < c_b) - goto is_a_corner; - else - if( p[pixel[13]] < c_b) - if( p[pixel[14]] < c_b) - goto is_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - if( p[pixel[13]] < c_b) - if( p[pixel[14]] < c_b) - if( p[pixel[15]] < c_b) - goto is_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - if( p[pixel[9]] > cb) - if( p[pixel[10]] > cb) - if( p[pixel[11]] > cb) - if( p[pixel[12]] > cb) - if( p[pixel[13]] > cb) - if( p[pixel[14]] > cb) - if( p[pixel[15]] > cb) - goto is_a_corner; - else - if( p[pixel[5]] > cb) - if( p[pixel[6]] > cb) - if( p[pixel[7]] > cb) - if( p[pixel[8]] > cb) - goto is_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - if( p[pixel[4]] > cb) - if( p[pixel[5]] > cb) - if( p[pixel[6]] > cb) - if( p[pixel[7]] > cb) - if( p[pixel[8]] > cb) - goto is_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else if( p[pixel[9]] < c_b) - if( p[pixel[6]] < c_b) - if( p[pixel[7]] < c_b) - if( p[pixel[8]] < c_b) - if( p[pixel[10]] < c_b) - if( p[pixel[11]] < c_b) - if( p[pixel[12]] < c_b) - if( p[pixel[13]] < c_b) - if( p[pixel[5]] < c_b) - if( p[pixel[4]] < c_b) - goto is_a_corner; - else - if( p[pixel[14]] < c_b) - goto is_a_corner; - else - goto is_not_a_corner; - else - if( p[pixel[14]] < c_b) - if( p[pixel[15]] < c_b) - goto is_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else if( p[pixel[2]] < c_b) - if( p[pixel[8]] > cb) - if( p[pixel[9]] > cb) - if( p[pixel[10]] > cb) - if( p[pixel[11]] > cb) - if( p[pixel[12]] > cb) - if( p[pixel[13]] > cb) - if( p[pixel[14]] > cb) - if( p[pixel[15]] > cb) - goto is_a_corner; - else - if( p[pixel[5]] > cb) - if( p[pixel[6]] > cb) - if( p[pixel[7]] > cb) - goto is_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - if( p[pixel[4]] > cb) - if( p[pixel[5]] > cb) - if( p[pixel[6]] > cb) - if( p[pixel[7]] > cb) - goto is_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - if( p[pixel[3]] > cb) - if( p[pixel[4]] > cb) - if( p[pixel[5]] > cb) - if( p[pixel[6]] > cb) - if( p[pixel[7]] > cb) - goto is_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else if( p[pixel[8]] < c_b) - if( p[pixel[6]] < c_b) - if( p[pixel[7]] < c_b) - if( p[pixel[9]] < c_b) - if( p[pixel[10]] < c_b) - if( p[pixel[11]] < c_b) - if( p[pixel[5]] < c_b) - if( p[pixel[4]] < c_b) - if( p[pixel[3]] < c_b) - goto is_a_corner; - else - if( p[pixel[12]] < c_b) - if( p[pixel[13]] < c_b) - goto is_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - if( p[pixel[12]] < c_b) - if( p[pixel[13]] < c_b) - if( p[pixel[14]] < c_b) - goto is_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - if( p[pixel[12]] < c_b) - if( p[pixel[13]] < c_b) - if( p[pixel[14]] < c_b) - if( p[pixel[15]] < c_b) - goto is_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - if( p[pixel[8]] > cb) - if( p[pixel[9]] > cb) - if( p[pixel[10]] > cb) - if( p[pixel[11]] > cb) - if( p[pixel[12]] > cb) - if( p[pixel[13]] > cb) - if( p[pixel[14]] > cb) - if( p[pixel[15]] > cb) - goto is_a_corner; - else - if( p[pixel[5]] > cb) - if( p[pixel[6]] > cb) - if( p[pixel[7]] > cb) - goto is_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - if( p[pixel[4]] > cb) - if( p[pixel[5]] > cb) - if( p[pixel[6]] > cb) - if( p[pixel[7]] > cb) - goto is_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - if( p[pixel[3]] > cb) - if( p[pixel[4]] > cb) - if( p[pixel[5]] > cb) - if( p[pixel[6]] > cb) - if( p[pixel[7]] > cb) - goto is_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else if( p[pixel[8]] < c_b) - if( p[pixel[6]] < c_b) - if( p[pixel[7]] < c_b) - if( p[pixel[9]] < c_b) - if( p[pixel[10]] < c_b) - if( p[pixel[11]] < c_b) - if( p[pixel[12]] < c_b) - if( p[pixel[5]] < c_b) - if( p[pixel[4]] < c_b) - if( p[pixel[3]] < c_b) - goto is_a_corner; - else - if( p[pixel[13]] < c_b) - goto is_a_corner; - else - goto is_not_a_corner; - else - if( p[pixel[13]] < c_b) - if( p[pixel[14]] < c_b) - goto is_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - if( p[pixel[13]] < c_b) - if( p[pixel[14]] < c_b) - if( p[pixel[15]] < c_b) - goto is_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else if( p[pixel[1]] < c_b) - if( p[pixel[7]] > cb) - if( p[pixel[8]] > cb) - if( p[pixel[9]] > cb) - if( p[pixel[10]] > cb) - if( p[pixel[11]] > cb) - if( p[pixel[12]] > cb) - if( p[pixel[13]] > cb) - if( p[pixel[14]] > cb) - if( p[pixel[15]] > cb) - goto is_a_corner; - else - if( p[pixel[5]] > cb) - if( p[pixel[6]] > cb) - goto is_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - if( p[pixel[4]] > cb) - if( p[pixel[5]] > cb) - if( p[pixel[6]] > cb) - goto is_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - if( p[pixel[3]] > cb) - if( p[pixel[4]] > cb) - if( p[pixel[5]] > cb) - if( p[pixel[6]] > cb) - goto is_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - if( p[pixel[2]] > cb) - if( p[pixel[3]] > cb) - if( p[pixel[4]] > cb) - if( p[pixel[5]] > cb) - if( p[pixel[6]] > cb) - goto is_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else if( p[pixel[7]] < c_b) - if( p[pixel[6]] < c_b) - if( p[pixel[8]] < c_b) - if( p[pixel[9]] < c_b) - if( p[pixel[10]] < c_b) - if( p[pixel[5]] < c_b) - if( p[pixel[4]] < c_b) - if( p[pixel[3]] < c_b) - if( p[pixel[2]] < c_b) - goto is_a_corner; - else - if( p[pixel[11]] < c_b) - if( p[pixel[12]] < c_b) - goto is_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - if( p[pixel[11]] < c_b) - if( p[pixel[12]] < c_b) - if( p[pixel[13]] < c_b) - goto is_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - if( p[pixel[11]] < c_b) - if( p[pixel[12]] < c_b) - if( p[pixel[13]] < c_b) - if( p[pixel[14]] < c_b) - goto is_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - if( p[pixel[11]] < c_b) - if( p[pixel[12]] < c_b) - if( p[pixel[13]] < c_b) - if( p[pixel[14]] < c_b) - if( p[pixel[15]] < c_b) - goto is_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - if( p[pixel[7]] > cb) - if( p[pixel[8]] > cb) - if( p[pixel[9]] > cb) - if( p[pixel[10]] > cb) - if( p[pixel[11]] > cb) - if( p[pixel[12]] > cb) - if( p[pixel[13]] > cb) - if( p[pixel[14]] > cb) - if( p[pixel[15]] > cb) - goto is_a_corner; - else - if( p[pixel[5]] > cb) - if( p[pixel[6]] > cb) - goto is_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - if( p[pixel[4]] > cb) - if( p[pixel[5]] > cb) - if( p[pixel[6]] > cb) - goto is_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - if( p[pixel[3]] > cb) - if( p[pixel[4]] > cb) - if( p[pixel[5]] > cb) - if( p[pixel[6]] > cb) - goto is_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - if( p[pixel[2]] > cb) - if( p[pixel[3]] > cb) - if( p[pixel[4]] > cb) - if( p[pixel[5]] > cb) - if( p[pixel[6]] > cb) - goto is_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else if( p[pixel[7]] < c_b) - if( p[pixel[6]] < c_b) - if( p[pixel[8]] < c_b) - if( p[pixel[9]] < c_b) - if( p[pixel[10]] < c_b) - if( p[pixel[11]] < c_b) - if( p[pixel[5]] < c_b) - if( p[pixel[4]] < c_b) - if( p[pixel[3]] < c_b) - if( p[pixel[2]] < c_b) - goto is_a_corner; - else - if( p[pixel[12]] < c_b) - goto is_a_corner; - else - goto is_not_a_corner; - else - if( p[pixel[12]] < c_b) - if( p[pixel[13]] < c_b) - goto is_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - if( p[pixel[12]] < c_b) - if( p[pixel[13]] < c_b) - if( p[pixel[14]] < c_b) - goto is_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - if( p[pixel[12]] < c_b) - if( p[pixel[13]] < c_b) - if( p[pixel[14]] < c_b) - if( p[pixel[15]] < c_b) - goto is_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else if( p[pixel[0]] < c_b) - if( p[pixel[1]] > cb) - if( p[pixel[7]] > cb) - if( p[pixel[6]] > cb) - if( p[pixel[8]] > cb) - if( p[pixel[9]] > cb) - if( p[pixel[10]] > cb) - if( p[pixel[5]] > cb) - if( p[pixel[4]] > cb) - if( p[pixel[3]] > cb) - if( p[pixel[2]] > cb) - goto is_a_corner; - else - if( p[pixel[11]] > cb) - if( p[pixel[12]] > cb) - goto is_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - if( p[pixel[11]] > cb) - if( p[pixel[12]] > cb) - if( p[pixel[13]] > cb) - goto is_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - if( p[pixel[11]] > cb) - if( p[pixel[12]] > cb) - if( p[pixel[13]] > cb) - if( p[pixel[14]] > cb) - goto is_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - if( p[pixel[11]] > cb) - if( p[pixel[12]] > cb) - if( p[pixel[13]] > cb) - if( p[pixel[14]] > cb) - if( p[pixel[15]] > cb) - goto is_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else if( p[pixel[7]] < c_b) - if( p[pixel[8]] < c_b) - if( p[pixel[9]] < c_b) - if( p[pixel[10]] < c_b) - if( p[pixel[11]] < c_b) - if( p[pixel[12]] < c_b) - if( p[pixel[13]] < c_b) - if( p[pixel[14]] < c_b) - if( p[pixel[15]] < c_b) - goto is_a_corner; - else - if( p[pixel[5]] < c_b) - if( p[pixel[6]] < c_b) - goto is_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - if( p[pixel[4]] < c_b) - if( p[pixel[5]] < c_b) - if( p[pixel[6]] < c_b) - goto is_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - if( p[pixel[3]] < c_b) - if( p[pixel[4]] < c_b) - if( p[pixel[5]] < c_b) - if( p[pixel[6]] < c_b) - goto is_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - if( p[pixel[2]] < c_b) - if( p[pixel[3]] < c_b) - if( p[pixel[4]] < c_b) - if( p[pixel[5]] < c_b) - if( p[pixel[6]] < c_b) - goto is_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else if( p[pixel[1]] < c_b) - if( p[pixel[2]] > cb) - if( p[pixel[8]] > cb) - if( p[pixel[6]] > cb) - if( p[pixel[7]] > cb) - if( p[pixel[9]] > cb) - if( p[pixel[10]] > cb) - if( p[pixel[11]] > cb) - if( p[pixel[5]] > cb) - if( p[pixel[4]] > cb) - if( p[pixel[3]] > cb) - goto is_a_corner; - else - if( p[pixel[12]] > cb) - if( p[pixel[13]] > cb) - goto is_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - if( p[pixel[12]] > cb) - if( p[pixel[13]] > cb) - if( p[pixel[14]] > cb) - goto is_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - if( p[pixel[12]] > cb) - if( p[pixel[13]] > cb) - if( p[pixel[14]] > cb) - if( p[pixel[15]] > cb) - goto is_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else if( p[pixel[8]] < c_b) - if( p[pixel[9]] < c_b) - if( p[pixel[10]] < c_b) - if( p[pixel[11]] < c_b) - if( p[pixel[12]] < c_b) - if( p[pixel[13]] < c_b) - if( p[pixel[14]] < c_b) - if( p[pixel[15]] < c_b) - goto is_a_corner; - else - if( p[pixel[5]] < c_b) - if( p[pixel[6]] < c_b) - if( p[pixel[7]] < c_b) - goto is_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - if( p[pixel[4]] < c_b) - if( p[pixel[5]] < c_b) - if( p[pixel[6]] < c_b) - if( p[pixel[7]] < c_b) - goto is_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - if( p[pixel[3]] < c_b) - if( p[pixel[4]] < c_b) - if( p[pixel[5]] < c_b) - if( p[pixel[6]] < c_b) - if( p[pixel[7]] < c_b) - goto is_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else if( p[pixel[2]] < c_b) - if( p[pixel[3]] > cb) - if( p[pixel[9]] > cb) - if( p[pixel[6]] > cb) - if( p[pixel[7]] > cb) - if( p[pixel[8]] > cb) - if( p[pixel[10]] > cb) - if( p[pixel[11]] > cb) - if( p[pixel[12]] > cb) - if( p[pixel[5]] > cb) - if( p[pixel[4]] > cb) - goto is_a_corner; - else - if( p[pixel[13]] > cb) - if( p[pixel[14]] > cb) - goto is_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - if( p[pixel[13]] > cb) - if( p[pixel[14]] > cb) - if( p[pixel[15]] > cb) - goto is_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else if( p[pixel[9]] < c_b) - if( p[pixel[10]] < c_b) - if( p[pixel[11]] < c_b) - if( p[pixel[12]] < c_b) - if( p[pixel[13]] < c_b) - if( p[pixel[14]] < c_b) - if( p[pixel[15]] < c_b) - goto is_a_corner; - else - if( p[pixel[5]] < c_b) - if( p[pixel[6]] < c_b) - if( p[pixel[7]] < c_b) - if( p[pixel[8]] < c_b) - goto is_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - if( p[pixel[4]] < c_b) - if( p[pixel[5]] < c_b) - if( p[pixel[6]] < c_b) - if( p[pixel[7]] < c_b) - if( p[pixel[8]] < c_b) - goto is_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else if( p[pixel[3]] < c_b) - if( p[pixel[4]] > cb) - if( p[pixel[14]] > cb) - if( p[pixel[6]] > cb) - if( p[pixel[7]] > cb) - if( p[pixel[8]] > cb) - if( p[pixel[9]] > cb) - if( p[pixel[10]] > cb) - if( p[pixel[11]] > cb) - if( p[pixel[12]] > cb) - if( p[pixel[13]] > cb) - if( p[pixel[5]] > cb) - goto is_a_corner; - else - if( p[pixel[15]] > cb) - goto is_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else if( p[pixel[14]] < c_b) - if( p[pixel[10]] > cb) - if( p[pixel[5]] > cb) - if( p[pixel[6]] > cb) - if( p[pixel[7]] > cb) - if( p[pixel[8]] > cb) - if( p[pixel[9]] > cb) - if( p[pixel[11]] > cb) - if( p[pixel[12]] > cb) - if( p[pixel[13]] > cb) - goto is_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else if( p[pixel[10]] < c_b) - if( p[pixel[11]] < c_b) - if( p[pixel[12]] < c_b) - if( p[pixel[13]] < c_b) - if( p[pixel[15]] < c_b) - goto is_a_corner; - else - if( p[pixel[5]] < c_b) - if( p[pixel[6]] < c_b) - if( p[pixel[7]] < c_b) - if( p[pixel[8]] < c_b) - if( p[pixel[9]] < c_b) - goto is_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - if( p[pixel[5]] > cb) - if( p[pixel[6]] > cb) - if( p[pixel[7]] > cb) - if( p[pixel[8]] > cb) - if( p[pixel[9]] > cb) - if( p[pixel[10]] > cb) - if( p[pixel[11]] > cb) - if( p[pixel[12]] > cb) - if( p[pixel[13]] > cb) - goto is_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else if( p[pixel[4]] < c_b) - if( p[pixel[5]] > cb) - if( p[pixel[15]] < c_b) - if( p[pixel[11]] > cb) - if( p[pixel[6]] > cb) - if( p[pixel[7]] > cb) - if( p[pixel[8]] > cb) - if( p[pixel[9]] > cb) - if( p[pixel[10]] > cb) - if( p[pixel[12]] > cb) - if( p[pixel[13]] > cb) - if( p[pixel[14]] > cb) - goto is_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else if( p[pixel[11]] < c_b) - if( p[pixel[12]] < c_b) - if( p[pixel[13]] < c_b) - if( p[pixel[14]] < c_b) - goto is_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - if( p[pixel[6]] > cb) - if( p[pixel[7]] > cb) - if( p[pixel[8]] > cb) - if( p[pixel[9]] > cb) - if( p[pixel[10]] > cb) - if( p[pixel[11]] > cb) - if( p[pixel[12]] > cb) - if( p[pixel[13]] > cb) - if( p[pixel[14]] > cb) - goto is_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else if( p[pixel[5]] < c_b) - if( p[pixel[6]] > cb) - if( p[pixel[12]] > cb) - if( p[pixel[7]] > cb) - if( p[pixel[8]] > cb) - if( p[pixel[9]] > cb) - if( p[pixel[10]] > cb) - if( p[pixel[11]] > cb) - if( p[pixel[13]] > cb) - if( p[pixel[14]] > cb) - if( p[pixel[15]] > cb) - goto is_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else if( p[pixel[12]] < c_b) - if( p[pixel[13]] < c_b) - if( p[pixel[14]] < c_b) - if( p[pixel[15]] < c_b) - goto is_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else if( p[pixel[6]] < c_b) - if( p[pixel[7]] < c_b) - if( p[pixel[8]] < c_b) - if( p[pixel[9]] < c_b) - goto is_a_corner; - else - if( p[pixel[15]] < c_b) - goto is_a_corner; - else - goto is_not_a_corner; - else - if( p[pixel[14]] < c_b) - if( p[pixel[15]] < c_b) - goto is_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - if( p[pixel[13]] < c_b) - if( p[pixel[14]] < c_b) - if( p[pixel[15]] < c_b) - goto is_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - if( p[pixel[12]] < c_b) - if( p[pixel[13]] < c_b) - if( p[pixel[14]] < c_b) - if( p[pixel[15]] < c_b) - goto is_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - if( p[pixel[11]] > cb) - if( p[pixel[6]] > cb) - if( p[pixel[7]] > cb) - if( p[pixel[8]] > cb) - if( p[pixel[9]] > cb) - if( p[pixel[10]] > cb) - if( p[pixel[12]] > cb) - if( p[pixel[13]] > cb) - if( p[pixel[14]] > cb) - if( p[pixel[15]] > cb) - goto is_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else if( p[pixel[11]] < c_b) - if( p[pixel[12]] < c_b) - if( p[pixel[13]] < c_b) - if( p[pixel[14]] < c_b) - if( p[pixel[15]] < c_b) - goto is_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - if( p[pixel[10]] > cb) - if( p[pixel[6]] > cb) - if( p[pixel[7]] > cb) - if( p[pixel[8]] > cb) - if( p[pixel[9]] > cb) - if( p[pixel[11]] > cb) - if( p[pixel[12]] > cb) - if( p[pixel[13]] > cb) - if( p[pixel[14]] > cb) - if( p[pixel[5]] > cb) - goto is_a_corner; - else - if( p[pixel[15]] > cb) - goto is_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else if( p[pixel[10]] < c_b) - if( p[pixel[11]] < c_b) - if( p[pixel[12]] < c_b) - if( p[pixel[13]] < c_b) - if( p[pixel[14]] < c_b) - if( p[pixel[15]] < c_b) - goto is_a_corner; - else - if( p[pixel[5]] < c_b) - if( p[pixel[6]] < c_b) - if( p[pixel[7]] < c_b) - if( p[pixel[8]] < c_b) - if( p[pixel[9]] < c_b) - goto is_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - if( p[pixel[9]] > cb) - if( p[pixel[6]] > cb) - if( p[pixel[7]] > cb) - if( p[pixel[8]] > cb) - if( p[pixel[10]] > cb) - if( p[pixel[11]] > cb) - if( p[pixel[12]] > cb) - if( p[pixel[13]] > cb) - if( p[pixel[5]] > cb) - if( p[pixel[4]] > cb) - goto is_a_corner; - else - if( p[pixel[14]] > cb) - goto is_a_corner; - else - goto is_not_a_corner; - else - if( p[pixel[14]] > cb) - if( p[pixel[15]] > cb) - goto is_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else if( p[pixel[9]] < c_b) - if( p[pixel[10]] < c_b) - if( p[pixel[11]] < c_b) - if( p[pixel[12]] < c_b) - if( p[pixel[13]] < c_b) - if( p[pixel[14]] < c_b) - if( p[pixel[15]] < c_b) - goto is_a_corner; - else - if( p[pixel[5]] < c_b) - if( p[pixel[6]] < c_b) - if( p[pixel[7]] < c_b) - if( p[pixel[8]] < c_b) - goto is_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - if( p[pixel[4]] < c_b) - if( p[pixel[5]] < c_b) - if( p[pixel[6]] < c_b) - if( p[pixel[7]] < c_b) - if( p[pixel[8]] < c_b) - goto is_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - if( p[pixel[8]] > cb) - if( p[pixel[6]] > cb) - if( p[pixel[7]] > cb) - if( p[pixel[9]] > cb) - if( p[pixel[10]] > cb) - if( p[pixel[11]] > cb) - if( p[pixel[12]] > cb) - if( p[pixel[5]] > cb) - if( p[pixel[4]] > cb) - if( p[pixel[3]] > cb) - goto is_a_corner; - else - if( p[pixel[13]] > cb) - goto is_a_corner; - else - goto is_not_a_corner; - else - if( p[pixel[13]] > cb) - if( p[pixel[14]] > cb) - goto is_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - if( p[pixel[13]] > cb) - if( p[pixel[14]] > cb) - if( p[pixel[15]] > cb) - goto is_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else if( p[pixel[8]] < c_b) - if( p[pixel[9]] < c_b) - if( p[pixel[10]] < c_b) - if( p[pixel[11]] < c_b) - if( p[pixel[12]] < c_b) - if( p[pixel[13]] < c_b) - if( p[pixel[14]] < c_b) - if( p[pixel[15]] < c_b) - goto is_a_corner; - else - if( p[pixel[5]] < c_b) - if( p[pixel[6]] < c_b) - if( p[pixel[7]] < c_b) - goto is_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - if( p[pixel[4]] < c_b) - if( p[pixel[5]] < c_b) - if( p[pixel[6]] < c_b) - if( p[pixel[7]] < c_b) - goto is_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - if( p[pixel[3]] < c_b) - if( p[pixel[4]] < c_b) - if( p[pixel[5]] < c_b) - if( p[pixel[6]] < c_b) - if( p[pixel[7]] < c_b) - goto is_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - if( p[pixel[7]] > cb) - if( p[pixel[6]] > cb) - if( p[pixel[8]] > cb) - if( p[pixel[9]] > cb) - if( p[pixel[10]] > cb) - if( p[pixel[11]] > cb) - if( p[pixel[5]] > cb) - if( p[pixel[4]] > cb) - if( p[pixel[3]] > cb) - if( p[pixel[2]] > cb) - goto is_a_corner; - else - if( p[pixel[12]] > cb) - goto is_a_corner; - else - goto is_not_a_corner; - else - if( p[pixel[12]] > cb) - if( p[pixel[13]] > cb) - goto is_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - if( p[pixel[12]] > cb) - if( p[pixel[13]] > cb) - if( p[pixel[14]] > cb) - goto is_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - if( p[pixel[12]] > cb) - if( p[pixel[13]] > cb) - if( p[pixel[14]] > cb) - if( p[pixel[15]] > cb) - goto is_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else if( p[pixel[7]] < c_b) - if( p[pixel[8]] < c_b) - if( p[pixel[9]] < c_b) - if( p[pixel[10]] < c_b) - if( p[pixel[11]] < c_b) - if( p[pixel[12]] < c_b) - if( p[pixel[13]] < c_b) - if( p[pixel[14]] < c_b) - if( p[pixel[15]] < c_b) - goto is_a_corner; - else - if( p[pixel[5]] < c_b) - if( p[pixel[6]] < c_b) - goto is_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - if( p[pixel[4]] < c_b) - if( p[pixel[5]] < c_b) - if( p[pixel[6]] < c_b) - goto is_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - if( p[pixel[3]] < c_b) - if( p[pixel[4]] < c_b) - if( p[pixel[5]] < c_b) - if( p[pixel[6]] < c_b) - goto is_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - if( p[pixel[2]] < c_b) - if( p[pixel[3]] < c_b) - if( p[pixel[4]] < c_b) - if( p[pixel[5]] < c_b) - if( p[pixel[6]] < c_b) - goto is_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - if( p[pixel[6]] > cb) - if( p[pixel[7]] > cb) - if( p[pixel[8]] > cb) - if( p[pixel[9]] > cb) - if( p[pixel[10]] > cb) - if( p[pixel[5]] > cb) - if( p[pixel[4]] > cb) - if( p[pixel[3]] > cb) - if( p[pixel[2]] > cb) - if( p[pixel[1]] > cb) - goto is_a_corner; - else - if( p[pixel[11]] > cb) - goto is_a_corner; - else - goto is_not_a_corner; - else - if( p[pixel[11]] > cb) - if( p[pixel[12]] > cb) - goto is_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - if( p[pixel[11]] > cb) - if( p[pixel[12]] > cb) - if( p[pixel[13]] > cb) - goto is_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - if( p[pixel[11]] > cb) - if( p[pixel[12]] > cb) - if( p[pixel[13]] > cb) - if( p[pixel[14]] > cb) - goto is_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - if( p[pixel[11]] > cb) - if( p[pixel[12]] > cb) - if( p[pixel[13]] > cb) - if( p[pixel[14]] > cb) - if( p[pixel[15]] > cb) - goto is_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else if( p[pixel[6]] < c_b) - if( p[pixel[7]] < c_b) - if( p[pixel[8]] < c_b) - if( p[pixel[9]] < c_b) - if( p[pixel[10]] < c_b) - if( p[pixel[5]] < c_b) - if( p[pixel[4]] < c_b) - if( p[pixel[3]] < c_b) - if( p[pixel[2]] < c_b) - if( p[pixel[1]] < c_b) - goto is_a_corner; - else - if( p[pixel[11]] < c_b) - goto is_a_corner; - else - goto is_not_a_corner; - else - if( p[pixel[11]] < c_b) - if( p[pixel[12]] < c_b) - goto is_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - if( p[pixel[11]] < c_b) - if( p[pixel[12]] < c_b) - if( p[pixel[13]] < c_b) - goto is_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - if( p[pixel[11]] < c_b) - if( p[pixel[12]] < c_b) - if( p[pixel[13]] < c_b) - if( p[pixel[14]] < c_b) - goto is_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - if( p[pixel[11]] < c_b) - if( p[pixel[12]] < c_b) - if( p[pixel[13]] < c_b) - if( p[pixel[14]] < c_b) - if( p[pixel[15]] < c_b) - goto is_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - - is_a_corner: - bmin=b; - goto end_if; - - is_not_a_corner: - bmax=b; - goto end_if; - - end_if: - - if(bmin == bmax - 1 || bmin == bmax) - return bmin; - b = (bmin + bmax) / 2; - } -} - -static void make_offsets(int pixel[], int row_stride) -{ - pixel[0] = 0 + row_stride * 3; - pixel[1] = 1 + row_stride * 3; - pixel[2] = 2 + row_stride * 2; - pixel[3] = 3 + row_stride * 1; - pixel[4] = 3 + row_stride * 0; - pixel[5] = 3 + row_stride * -1; - pixel[6] = 2 + row_stride * -2; - pixel[7] = 1 + row_stride * -3; - pixel[8] = 0 + row_stride * -3; - pixel[9] = -1 + row_stride * -3; - pixel[10] = -2 + row_stride * -2; - pixel[11] = -3 + row_stride * -1; - pixel[12] = -3 + row_stride * 0; - pixel[13] = -3 + row_stride * 1; - pixel[14] = -2 + row_stride * 2; - pixel[15] = -1 + row_stride * 3; -} - - - -int* fast10_score(const byte* i, int stride, xy* corners, int num_corners, int b) -{ - int* scores = (int*)malloc(sizeof(int)* num_corners); - int n; - - int pixel[16]; - make_offsets(pixel, stride); - - for(n=0; n < num_corners; n++) - scores[n] = fast10_corner_score(i + corners[n].y*stride + corners[n].x, pixel, b); - - return scores; -} - - -xy* fast10_detect(const byte* im, int xsize, int ysize, int stride, int b, int* ret_num_corners) -{ - int num_corners=0; - xy* ret_corners; - int rsize=512; - int pixel[16]; - int x, y; - - ret_corners = (xy*)malloc(sizeof(xy)*rsize); - make_offsets(pixel, stride); - - for(y=3; y < ysize - 3; y++) - for(x=3; x < xsize - 3; x++) - { - const byte* p = im + y*stride + x; - - int cb = *p + b; - int c_b= *p - b; - if(p[pixel[0]] > cb) - if(p[pixel[1]] > cb) - if(p[pixel[2]] > cb) - if(p[pixel[3]] > cb) - if(p[pixel[4]] > cb) - if(p[pixel[5]] > cb) - if(p[pixel[6]] > cb) - if(p[pixel[7]] > cb) - if(p[pixel[8]] > cb) - if(p[pixel[9]] > cb) - {} - else - if(p[pixel[15]] > cb) - {} - else - continue; - else - if(p[pixel[14]] > cb) - if(p[pixel[15]] > cb) - {} - else - continue; - else - continue; - else - if(p[pixel[13]] > cb) - if(p[pixel[14]] > cb) - if(p[pixel[15]] > cb) - {} - else - continue; - else - continue; - else - continue; - else if(p[pixel[6]] < c_b) - if(p[pixel[12]] > cb) - if(p[pixel[13]] > cb) - if(p[pixel[14]] > cb) - if(p[pixel[15]] > cb) - {} - else - continue; - else - continue; - else - continue; - else if(p[pixel[12]] < c_b) - if(p[pixel[7]] < c_b) - if(p[pixel[8]] < c_b) - if(p[pixel[9]] < c_b) - if(p[pixel[10]] < c_b) - if(p[pixel[11]] < c_b) - if(p[pixel[13]] < c_b) - if(p[pixel[14]] < c_b) - if(p[pixel[15]] < c_b) - {} - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else - if(p[pixel[12]] > cb) - if(p[pixel[13]] > cb) - if(p[pixel[14]] > cb) - if(p[pixel[15]] > cb) - {} - else - continue; - else - continue; - else - continue; - else - continue; - else if(p[pixel[5]] < c_b) - if(p[pixel[15]] > cb) - if(p[pixel[11]] > cb) - if(p[pixel[12]] > cb) - if(p[pixel[13]] > cb) - if(p[pixel[14]] > cb) - {} - else - continue; - else - continue; - else - continue; - else if(p[pixel[11]] < c_b) - if(p[pixel[6]] < c_b) - if(p[pixel[7]] < c_b) - if(p[pixel[8]] < c_b) - if(p[pixel[9]] < c_b) - if(p[pixel[10]] < c_b) - if(p[pixel[12]] < c_b) - if(p[pixel[13]] < c_b) - if(p[pixel[14]] < c_b) - {} - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else - if(p[pixel[6]] < c_b) - if(p[pixel[7]] < c_b) - if(p[pixel[8]] < c_b) - if(p[pixel[9]] < c_b) - if(p[pixel[10]] < c_b) - if(p[pixel[11]] < c_b) - if(p[pixel[12]] < c_b) - if(p[pixel[13]] < c_b) - if(p[pixel[14]] < c_b) - {} - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else - if(p[pixel[11]] > cb) - if(p[pixel[12]] > cb) - if(p[pixel[13]] > cb) - if(p[pixel[14]] > cb) - if(p[pixel[15]] > cb) - {} - else - continue; - else - continue; - else - continue; - else - continue; - else if(p[pixel[11]] < c_b) - if(p[pixel[6]] < c_b) - if(p[pixel[7]] < c_b) - if(p[pixel[8]] < c_b) - if(p[pixel[9]] < c_b) - if(p[pixel[10]] < c_b) - if(p[pixel[12]] < c_b) - if(p[pixel[13]] < c_b) - if(p[pixel[14]] < c_b) - if(p[pixel[15]] < c_b) - {} - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else if(p[pixel[4]] < c_b) - if(p[pixel[14]] > cb) - if(p[pixel[10]] > cb) - if(p[pixel[11]] > cb) - if(p[pixel[12]] > cb) - if(p[pixel[13]] > cb) - if(p[pixel[15]] > cb) - {} - else - if(p[pixel[5]] > cb) - if(p[pixel[6]] > cb) - if(p[pixel[7]] > cb) - if(p[pixel[8]] > cb) - if(p[pixel[9]] > cb) - {} - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else if(p[pixel[10]] < c_b) - if(p[pixel[5]] < c_b) - if(p[pixel[6]] < c_b) - if(p[pixel[7]] < c_b) - if(p[pixel[8]] < c_b) - if(p[pixel[9]] < c_b) - if(p[pixel[11]] < c_b) - if(p[pixel[12]] < c_b) - if(p[pixel[13]] < c_b) - {} - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else if(p[pixel[14]] < c_b) - if(p[pixel[6]] < c_b) - if(p[pixel[7]] < c_b) - if(p[pixel[8]] < c_b) - if(p[pixel[9]] < c_b) - if(p[pixel[10]] < c_b) - if(p[pixel[11]] < c_b) - if(p[pixel[12]] < c_b) - if(p[pixel[13]] < c_b) - if(p[pixel[5]] < c_b) - {} - else - if(p[pixel[15]] < c_b) - {} - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else - if(p[pixel[5]] < c_b) - if(p[pixel[6]] < c_b) - if(p[pixel[7]] < c_b) - if(p[pixel[8]] < c_b) - if(p[pixel[9]] < c_b) - if(p[pixel[10]] < c_b) - if(p[pixel[11]] < c_b) - if(p[pixel[12]] < c_b) - if(p[pixel[13]] < c_b) - {} - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else - if(p[pixel[10]] > cb) - if(p[pixel[11]] > cb) - if(p[pixel[12]] > cb) - if(p[pixel[13]] > cb) - if(p[pixel[14]] > cb) - if(p[pixel[15]] > cb) - {} - else - if(p[pixel[5]] > cb) - if(p[pixel[6]] > cb) - if(p[pixel[7]] > cb) - if(p[pixel[8]] > cb) - if(p[pixel[9]] > cb) - {} - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else if(p[pixel[10]] < c_b) - if(p[pixel[6]] < c_b) - if(p[pixel[7]] < c_b) - if(p[pixel[8]] < c_b) - if(p[pixel[9]] < c_b) - if(p[pixel[11]] < c_b) - if(p[pixel[12]] < c_b) - if(p[pixel[13]] < c_b) - if(p[pixel[14]] < c_b) - if(p[pixel[5]] < c_b) - {} - else - if(p[pixel[15]] < c_b) - {} - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else if(p[pixel[3]] < c_b) - if(p[pixel[9]] > cb) - if(p[pixel[10]] > cb) - if(p[pixel[11]] > cb) - if(p[pixel[12]] > cb) - if(p[pixel[13]] > cb) - if(p[pixel[14]] > cb) - if(p[pixel[15]] > cb) - {} - else - if(p[pixel[5]] > cb) - if(p[pixel[6]] > cb) - if(p[pixel[7]] > cb) - if(p[pixel[8]] > cb) - {} - else - continue; - else - continue; - else - continue; - else - continue; - else - if(p[pixel[4]] > cb) - if(p[pixel[5]] > cb) - if(p[pixel[6]] > cb) - if(p[pixel[7]] > cb) - if(p[pixel[8]] > cb) - {} - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else if(p[pixel[9]] < c_b) - if(p[pixel[6]] < c_b) - if(p[pixel[7]] < c_b) - if(p[pixel[8]] < c_b) - if(p[pixel[10]] < c_b) - if(p[pixel[11]] < c_b) - if(p[pixel[12]] < c_b) - if(p[pixel[5]] < c_b) - if(p[pixel[4]] < c_b) - {} - else - if(p[pixel[13]] < c_b) - if(p[pixel[14]] < c_b) - {} - else - continue; - else - continue; - else - if(p[pixel[13]] < c_b) - if(p[pixel[14]] < c_b) - if(p[pixel[15]] < c_b) - {} - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else - if(p[pixel[9]] > cb) - if(p[pixel[10]] > cb) - if(p[pixel[11]] > cb) - if(p[pixel[12]] > cb) - if(p[pixel[13]] > cb) - if(p[pixel[14]] > cb) - if(p[pixel[15]] > cb) - {} - else - if(p[pixel[5]] > cb) - if(p[pixel[6]] > cb) - if(p[pixel[7]] > cb) - if(p[pixel[8]] > cb) - {} - else - continue; - else - continue; - else - continue; - else - continue; - else - if(p[pixel[4]] > cb) - if(p[pixel[5]] > cb) - if(p[pixel[6]] > cb) - if(p[pixel[7]] > cb) - if(p[pixel[8]] > cb) - {} - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else if(p[pixel[9]] < c_b) - if(p[pixel[6]] < c_b) - if(p[pixel[7]] < c_b) - if(p[pixel[8]] < c_b) - if(p[pixel[10]] < c_b) - if(p[pixel[11]] < c_b) - if(p[pixel[12]] < c_b) - if(p[pixel[13]] < c_b) - if(p[pixel[5]] < c_b) - if(p[pixel[4]] < c_b) - {} - else - if(p[pixel[14]] < c_b) - {} - else - continue; - else - if(p[pixel[14]] < c_b) - if(p[pixel[15]] < c_b) - {} - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else if(p[pixel[2]] < c_b) - if(p[pixel[8]] > cb) - if(p[pixel[9]] > cb) - if(p[pixel[10]] > cb) - if(p[pixel[11]] > cb) - if(p[pixel[12]] > cb) - if(p[pixel[13]] > cb) - if(p[pixel[14]] > cb) - if(p[pixel[15]] > cb) - {} - else - if(p[pixel[5]] > cb) - if(p[pixel[6]] > cb) - if(p[pixel[7]] > cb) - {} - else - continue; - else - continue; - else - continue; - else - if(p[pixel[4]] > cb) - if(p[pixel[5]] > cb) - if(p[pixel[6]] > cb) - if(p[pixel[7]] > cb) - {} - else - continue; - else - continue; - else - continue; - else - continue; - else - if(p[pixel[3]] > cb) - if(p[pixel[4]] > cb) - if(p[pixel[5]] > cb) - if(p[pixel[6]] > cb) - if(p[pixel[7]] > cb) - {} - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else if(p[pixel[8]] < c_b) - if(p[pixel[6]] < c_b) - if(p[pixel[7]] < c_b) - if(p[pixel[9]] < c_b) - if(p[pixel[10]] < c_b) - if(p[pixel[11]] < c_b) - if(p[pixel[5]] < c_b) - if(p[pixel[4]] < c_b) - if(p[pixel[3]] < c_b) - {} - else - if(p[pixel[12]] < c_b) - if(p[pixel[13]] < c_b) - {} - else - continue; - else - continue; - else - if(p[pixel[12]] < c_b) - if(p[pixel[13]] < c_b) - if(p[pixel[14]] < c_b) - {} - else - continue; - else - continue; - else - continue; - else - if(p[pixel[12]] < c_b) - if(p[pixel[13]] < c_b) - if(p[pixel[14]] < c_b) - if(p[pixel[15]] < c_b) - {} - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else - if(p[pixel[8]] > cb) - if(p[pixel[9]] > cb) - if(p[pixel[10]] > cb) - if(p[pixel[11]] > cb) - if(p[pixel[12]] > cb) - if(p[pixel[13]] > cb) - if(p[pixel[14]] > cb) - if(p[pixel[15]] > cb) - {} - else - if(p[pixel[5]] > cb) - if(p[pixel[6]] > cb) - if(p[pixel[7]] > cb) - {} - else - continue; - else - continue; - else - continue; - else - if(p[pixel[4]] > cb) - if(p[pixel[5]] > cb) - if(p[pixel[6]] > cb) - if(p[pixel[7]] > cb) - {} - else - continue; - else - continue; - else - continue; - else - continue; - else - if(p[pixel[3]] > cb) - if(p[pixel[4]] > cb) - if(p[pixel[5]] > cb) - if(p[pixel[6]] > cb) - if(p[pixel[7]] > cb) - {} - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else if(p[pixel[8]] < c_b) - if(p[pixel[6]] < c_b) - if(p[pixel[7]] < c_b) - if(p[pixel[9]] < c_b) - if(p[pixel[10]] < c_b) - if(p[pixel[11]] < c_b) - if(p[pixel[12]] < c_b) - if(p[pixel[5]] < c_b) - if(p[pixel[4]] < c_b) - if(p[pixel[3]] < c_b) - {} - else - if(p[pixel[13]] < c_b) - {} - else - continue; - else - if(p[pixel[13]] < c_b) - if(p[pixel[14]] < c_b) - {} - else - continue; - else - continue; - else - if(p[pixel[13]] < c_b) - if(p[pixel[14]] < c_b) - if(p[pixel[15]] < c_b) - {} - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else if(p[pixel[1]] < c_b) - if(p[pixel[7]] > cb) - if(p[pixel[8]] > cb) - if(p[pixel[9]] > cb) - if(p[pixel[10]] > cb) - if(p[pixel[11]] > cb) - if(p[pixel[12]] > cb) - if(p[pixel[13]] > cb) - if(p[pixel[14]] > cb) - if(p[pixel[15]] > cb) - {} - else - if(p[pixel[5]] > cb) - if(p[pixel[6]] > cb) - {} - else - continue; - else - continue; - else - if(p[pixel[4]] > cb) - if(p[pixel[5]] > cb) - if(p[pixel[6]] > cb) - {} - else - continue; - else - continue; - else - continue; - else - if(p[pixel[3]] > cb) - if(p[pixel[4]] > cb) - if(p[pixel[5]] > cb) - if(p[pixel[6]] > cb) - {} - else - continue; - else - continue; - else - continue; - else - continue; - else - if(p[pixel[2]] > cb) - if(p[pixel[3]] > cb) - if(p[pixel[4]] > cb) - if(p[pixel[5]] > cb) - if(p[pixel[6]] > cb) - {} - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else if(p[pixel[7]] < c_b) - if(p[pixel[6]] < c_b) - if(p[pixel[8]] < c_b) - if(p[pixel[9]] < c_b) - if(p[pixel[10]] < c_b) - if(p[pixel[5]] < c_b) - if(p[pixel[4]] < c_b) - if(p[pixel[3]] < c_b) - if(p[pixel[2]] < c_b) - {} - else - if(p[pixel[11]] < c_b) - if(p[pixel[12]] < c_b) - {} - else - continue; - else - continue; - else - if(p[pixel[11]] < c_b) - if(p[pixel[12]] < c_b) - if(p[pixel[13]] < c_b) - {} - else - continue; - else - continue; - else - continue; - else - if(p[pixel[11]] < c_b) - if(p[pixel[12]] < c_b) - if(p[pixel[13]] < c_b) - if(p[pixel[14]] < c_b) - {} - else - continue; - else - continue; - else - continue; - else - continue; - else - if(p[pixel[11]] < c_b) - if(p[pixel[12]] < c_b) - if(p[pixel[13]] < c_b) - if(p[pixel[14]] < c_b) - if(p[pixel[15]] < c_b) - {} - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else - if(p[pixel[7]] > cb) - if(p[pixel[8]] > cb) - if(p[pixel[9]] > cb) - if(p[pixel[10]] > cb) - if(p[pixel[11]] > cb) - if(p[pixel[12]] > cb) - if(p[pixel[13]] > cb) - if(p[pixel[14]] > cb) - if(p[pixel[15]] > cb) - {} - else - if(p[pixel[5]] > cb) - if(p[pixel[6]] > cb) - {} - else - continue; - else - continue; - else - if(p[pixel[4]] > cb) - if(p[pixel[5]] > cb) - if(p[pixel[6]] > cb) - {} - else - continue; - else - continue; - else - continue; - else - if(p[pixel[3]] > cb) - if(p[pixel[4]] > cb) - if(p[pixel[5]] > cb) - if(p[pixel[6]] > cb) - {} - else - continue; - else - continue; - else - continue; - else - continue; - else - if(p[pixel[2]] > cb) - if(p[pixel[3]] > cb) - if(p[pixel[4]] > cb) - if(p[pixel[5]] > cb) - if(p[pixel[6]] > cb) - {} - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else if(p[pixel[7]] < c_b) - if(p[pixel[6]] < c_b) - if(p[pixel[8]] < c_b) - if(p[pixel[9]] < c_b) - if(p[pixel[10]] < c_b) - if(p[pixel[11]] < c_b) - if(p[pixel[5]] < c_b) - if(p[pixel[4]] < c_b) - if(p[pixel[3]] < c_b) - if(p[pixel[2]] < c_b) - {} - else - if(p[pixel[12]] < c_b) - {} - else - continue; - else - if(p[pixel[12]] < c_b) - if(p[pixel[13]] < c_b) - {} - else - continue; - else - continue; - else - if(p[pixel[12]] < c_b) - if(p[pixel[13]] < c_b) - if(p[pixel[14]] < c_b) - {} - else - continue; - else - continue; - else - continue; - else - if(p[pixel[12]] < c_b) - if(p[pixel[13]] < c_b) - if(p[pixel[14]] < c_b) - if(p[pixel[15]] < c_b) - {} - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else if(p[pixel[0]] < c_b) - if(p[pixel[1]] > cb) - if(p[pixel[7]] > cb) - if(p[pixel[6]] > cb) - if(p[pixel[8]] > cb) - if(p[pixel[9]] > cb) - if(p[pixel[10]] > cb) - if(p[pixel[5]] > cb) - if(p[pixel[4]] > cb) - if(p[pixel[3]] > cb) - if(p[pixel[2]] > cb) - {} - else - if(p[pixel[11]] > cb) - if(p[pixel[12]] > cb) - {} - else - continue; - else - continue; - else - if(p[pixel[11]] > cb) - if(p[pixel[12]] > cb) - if(p[pixel[13]] > cb) - {} - else - continue; - else - continue; - else - continue; - else - if(p[pixel[11]] > cb) - if(p[pixel[12]] > cb) - if(p[pixel[13]] > cb) - if(p[pixel[14]] > cb) - {} - else - continue; - else - continue; - else - continue; - else - continue; - else - if(p[pixel[11]] > cb) - if(p[pixel[12]] > cb) - if(p[pixel[13]] > cb) - if(p[pixel[14]] > cb) - if(p[pixel[15]] > cb) - {} - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else if(p[pixel[7]] < c_b) - if(p[pixel[8]] < c_b) - if(p[pixel[9]] < c_b) - if(p[pixel[10]] < c_b) - if(p[pixel[11]] < c_b) - if(p[pixel[12]] < c_b) - if(p[pixel[13]] < c_b) - if(p[pixel[14]] < c_b) - if(p[pixel[15]] < c_b) - {} - else - if(p[pixel[5]] < c_b) - if(p[pixel[6]] < c_b) - {} - else - continue; - else - continue; - else - if(p[pixel[4]] < c_b) - if(p[pixel[5]] < c_b) - if(p[pixel[6]] < c_b) - {} - else - continue; - else - continue; - else - continue; - else - if(p[pixel[3]] < c_b) - if(p[pixel[4]] < c_b) - if(p[pixel[5]] < c_b) - if(p[pixel[6]] < c_b) - {} - else - continue; - else - continue; - else - continue; - else - continue; - else - if(p[pixel[2]] < c_b) - if(p[pixel[3]] < c_b) - if(p[pixel[4]] < c_b) - if(p[pixel[5]] < c_b) - if(p[pixel[6]] < c_b) - {} - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else if(p[pixel[1]] < c_b) - if(p[pixel[2]] > cb) - if(p[pixel[8]] > cb) - if(p[pixel[6]] > cb) - if(p[pixel[7]] > cb) - if(p[pixel[9]] > cb) - if(p[pixel[10]] > cb) - if(p[pixel[11]] > cb) - if(p[pixel[5]] > cb) - if(p[pixel[4]] > cb) - if(p[pixel[3]] > cb) - {} - else - if(p[pixel[12]] > cb) - if(p[pixel[13]] > cb) - {} - else - continue; - else - continue; - else - if(p[pixel[12]] > cb) - if(p[pixel[13]] > cb) - if(p[pixel[14]] > cb) - {} - else - continue; - else - continue; - else - continue; - else - if(p[pixel[12]] > cb) - if(p[pixel[13]] > cb) - if(p[pixel[14]] > cb) - if(p[pixel[15]] > cb) - {} - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else if(p[pixel[8]] < c_b) - if(p[pixel[9]] < c_b) - if(p[pixel[10]] < c_b) - if(p[pixel[11]] < c_b) - if(p[pixel[12]] < c_b) - if(p[pixel[13]] < c_b) - if(p[pixel[14]] < c_b) - if(p[pixel[15]] < c_b) - {} - else - if(p[pixel[5]] < c_b) - if(p[pixel[6]] < c_b) - if(p[pixel[7]] < c_b) - {} - else - continue; - else - continue; - else - continue; - else - if(p[pixel[4]] < c_b) - if(p[pixel[5]] < c_b) - if(p[pixel[6]] < c_b) - if(p[pixel[7]] < c_b) - {} - else - continue; - else - continue; - else - continue; - else - continue; - else - if(p[pixel[3]] < c_b) - if(p[pixel[4]] < c_b) - if(p[pixel[5]] < c_b) - if(p[pixel[6]] < c_b) - if(p[pixel[7]] < c_b) - {} - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else if(p[pixel[2]] < c_b) - if(p[pixel[3]] > cb) - if(p[pixel[9]] > cb) - if(p[pixel[6]] > cb) - if(p[pixel[7]] > cb) - if(p[pixel[8]] > cb) - if(p[pixel[10]] > cb) - if(p[pixel[11]] > cb) - if(p[pixel[12]] > cb) - if(p[pixel[5]] > cb) - if(p[pixel[4]] > cb) - {} - else - if(p[pixel[13]] > cb) - if(p[pixel[14]] > cb) - {} - else - continue; - else - continue; - else - if(p[pixel[13]] > cb) - if(p[pixel[14]] > cb) - if(p[pixel[15]] > cb) - {} - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else if(p[pixel[9]] < c_b) - if(p[pixel[10]] < c_b) - if(p[pixel[11]] < c_b) - if(p[pixel[12]] < c_b) - if(p[pixel[13]] < c_b) - if(p[pixel[14]] < c_b) - if(p[pixel[15]] < c_b) - {} - else - if(p[pixel[5]] < c_b) - if(p[pixel[6]] < c_b) - if(p[pixel[7]] < c_b) - if(p[pixel[8]] < c_b) - {} - else - continue; - else - continue; - else - continue; - else - continue; - else - if(p[pixel[4]] < c_b) - if(p[pixel[5]] < c_b) - if(p[pixel[6]] < c_b) - if(p[pixel[7]] < c_b) - if(p[pixel[8]] < c_b) - {} - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else if(p[pixel[3]] < c_b) - if(p[pixel[4]] > cb) - if(p[pixel[14]] > cb) - if(p[pixel[6]] > cb) - if(p[pixel[7]] > cb) - if(p[pixel[8]] > cb) - if(p[pixel[9]] > cb) - if(p[pixel[10]] > cb) - if(p[pixel[11]] > cb) - if(p[pixel[12]] > cb) - if(p[pixel[13]] > cb) - if(p[pixel[5]] > cb) - {} - else - if(p[pixel[15]] > cb) - {} - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else if(p[pixel[14]] < c_b) - if(p[pixel[10]] > cb) - if(p[pixel[5]] > cb) - if(p[pixel[6]] > cb) - if(p[pixel[7]] > cb) - if(p[pixel[8]] > cb) - if(p[pixel[9]] > cb) - if(p[pixel[11]] > cb) - if(p[pixel[12]] > cb) - if(p[pixel[13]] > cb) - {} - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else if(p[pixel[10]] < c_b) - if(p[pixel[11]] < c_b) - if(p[pixel[12]] < c_b) - if(p[pixel[13]] < c_b) - if(p[pixel[15]] < c_b) - {} - else - if(p[pixel[5]] < c_b) - if(p[pixel[6]] < c_b) - if(p[pixel[7]] < c_b) - if(p[pixel[8]] < c_b) - if(p[pixel[9]] < c_b) - {} - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else - if(p[pixel[5]] > cb) - if(p[pixel[6]] > cb) - if(p[pixel[7]] > cb) - if(p[pixel[8]] > cb) - if(p[pixel[9]] > cb) - if(p[pixel[10]] > cb) - if(p[pixel[11]] > cb) - if(p[pixel[12]] > cb) - if(p[pixel[13]] > cb) - {} - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else if(p[pixel[4]] < c_b) - if(p[pixel[5]] > cb) - if(p[pixel[15]] < c_b) - if(p[pixel[11]] > cb) - if(p[pixel[6]] > cb) - if(p[pixel[7]] > cb) - if(p[pixel[8]] > cb) - if(p[pixel[9]] > cb) - if(p[pixel[10]] > cb) - if(p[pixel[12]] > cb) - if(p[pixel[13]] > cb) - if(p[pixel[14]] > cb) - {} - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else if(p[pixel[11]] < c_b) - if(p[pixel[12]] < c_b) - if(p[pixel[13]] < c_b) - if(p[pixel[14]] < c_b) - {} - else - continue; - else - continue; - else - continue; - else - continue; - else - if(p[pixel[6]] > cb) - if(p[pixel[7]] > cb) - if(p[pixel[8]] > cb) - if(p[pixel[9]] > cb) - if(p[pixel[10]] > cb) - if(p[pixel[11]] > cb) - if(p[pixel[12]] > cb) - if(p[pixel[13]] > cb) - if(p[pixel[14]] > cb) - {} - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else if(p[pixel[5]] < c_b) - if(p[pixel[6]] > cb) - if(p[pixel[12]] > cb) - if(p[pixel[7]] > cb) - if(p[pixel[8]] > cb) - if(p[pixel[9]] > cb) - if(p[pixel[10]] > cb) - if(p[pixel[11]] > cb) - if(p[pixel[13]] > cb) - if(p[pixel[14]] > cb) - if(p[pixel[15]] > cb) - {} - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else if(p[pixel[12]] < c_b) - if(p[pixel[13]] < c_b) - if(p[pixel[14]] < c_b) - if(p[pixel[15]] < c_b) - {} - else - continue; - else - continue; - else - continue; - else - continue; - else if(p[pixel[6]] < c_b) - if(p[pixel[7]] < c_b) - if(p[pixel[8]] < c_b) - if(p[pixel[9]] < c_b) - {} - else - if(p[pixel[15]] < c_b) - {} - else - continue; - else - if(p[pixel[14]] < c_b) - if(p[pixel[15]] < c_b) - {} - else - continue; - else - continue; - else - if(p[pixel[13]] < c_b) - if(p[pixel[14]] < c_b) - if(p[pixel[15]] < c_b) - {} - else - continue; - else - continue; - else - continue; - else - if(p[pixel[12]] < c_b) - if(p[pixel[13]] < c_b) - if(p[pixel[14]] < c_b) - if(p[pixel[15]] < c_b) - {} - else - continue; - else - continue; - else - continue; - else - continue; - else - if(p[pixel[11]] > cb) - if(p[pixel[6]] > cb) - if(p[pixel[7]] > cb) - if(p[pixel[8]] > cb) - if(p[pixel[9]] > cb) - if(p[pixel[10]] > cb) - if(p[pixel[12]] > cb) - if(p[pixel[13]] > cb) - if(p[pixel[14]] > cb) - if(p[pixel[15]] > cb) - {} - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else if(p[pixel[11]] < c_b) - if(p[pixel[12]] < c_b) - if(p[pixel[13]] < c_b) - if(p[pixel[14]] < c_b) - if(p[pixel[15]] < c_b) - {} - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else - if(p[pixel[10]] > cb) - if(p[pixel[6]] > cb) - if(p[pixel[7]] > cb) - if(p[pixel[8]] > cb) - if(p[pixel[9]] > cb) - if(p[pixel[11]] > cb) - if(p[pixel[12]] > cb) - if(p[pixel[13]] > cb) - if(p[pixel[14]] > cb) - if(p[pixel[5]] > cb) - {} - else - if(p[pixel[15]] > cb) - {} - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else if(p[pixel[10]] < c_b) - if(p[pixel[11]] < c_b) - if(p[pixel[12]] < c_b) - if(p[pixel[13]] < c_b) - if(p[pixel[14]] < c_b) - if(p[pixel[15]] < c_b) - {} - else - if(p[pixel[5]] < c_b) - if(p[pixel[6]] < c_b) - if(p[pixel[7]] < c_b) - if(p[pixel[8]] < c_b) - if(p[pixel[9]] < c_b) - {} - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else - if(p[pixel[9]] > cb) - if(p[pixel[6]] > cb) - if(p[pixel[7]] > cb) - if(p[pixel[8]] > cb) - if(p[pixel[10]] > cb) - if(p[pixel[11]] > cb) - if(p[pixel[12]] > cb) - if(p[pixel[13]] > cb) - if(p[pixel[5]] > cb) - if(p[pixel[4]] > cb) - {} - else - if(p[pixel[14]] > cb) - {} - else - continue; - else - if(p[pixel[14]] > cb) - if(p[pixel[15]] > cb) - {} - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else if(p[pixel[9]] < c_b) - if(p[pixel[10]] < c_b) - if(p[pixel[11]] < c_b) - if(p[pixel[12]] < c_b) - if(p[pixel[13]] < c_b) - if(p[pixel[14]] < c_b) - if(p[pixel[15]] < c_b) - {} - else - if(p[pixel[5]] < c_b) - if(p[pixel[6]] < c_b) - if(p[pixel[7]] < c_b) - if(p[pixel[8]] < c_b) - {} - else - continue; - else - continue; - else - continue; - else - continue; - else - if(p[pixel[4]] < c_b) - if(p[pixel[5]] < c_b) - if(p[pixel[6]] < c_b) - if(p[pixel[7]] < c_b) - if(p[pixel[8]] < c_b) - {} - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else - if(p[pixel[8]] > cb) - if(p[pixel[6]] > cb) - if(p[pixel[7]] > cb) - if(p[pixel[9]] > cb) - if(p[pixel[10]] > cb) - if(p[pixel[11]] > cb) - if(p[pixel[12]] > cb) - if(p[pixel[5]] > cb) - if(p[pixel[4]] > cb) - if(p[pixel[3]] > cb) - {} - else - if(p[pixel[13]] > cb) - {} - else - continue; - else - if(p[pixel[13]] > cb) - if(p[pixel[14]] > cb) - {} - else - continue; - else - continue; - else - if(p[pixel[13]] > cb) - if(p[pixel[14]] > cb) - if(p[pixel[15]] > cb) - {} - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else if(p[pixel[8]] < c_b) - if(p[pixel[9]] < c_b) - if(p[pixel[10]] < c_b) - if(p[pixel[11]] < c_b) - if(p[pixel[12]] < c_b) - if(p[pixel[13]] < c_b) - if(p[pixel[14]] < c_b) - if(p[pixel[15]] < c_b) - {} - else - if(p[pixel[5]] < c_b) - if(p[pixel[6]] < c_b) - if(p[pixel[7]] < c_b) - {} - else - continue; - else - continue; - else - continue; - else - if(p[pixel[4]] < c_b) - if(p[pixel[5]] < c_b) - if(p[pixel[6]] < c_b) - if(p[pixel[7]] < c_b) - {} - else - continue; - else - continue; - else - continue; - else - continue; - else - if(p[pixel[3]] < c_b) - if(p[pixel[4]] < c_b) - if(p[pixel[5]] < c_b) - if(p[pixel[6]] < c_b) - if(p[pixel[7]] < c_b) - {} - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else - if(p[pixel[7]] > cb) - if(p[pixel[6]] > cb) - if(p[pixel[8]] > cb) - if(p[pixel[9]] > cb) - if(p[pixel[10]] > cb) - if(p[pixel[11]] > cb) - if(p[pixel[5]] > cb) - if(p[pixel[4]] > cb) - if(p[pixel[3]] > cb) - if(p[pixel[2]] > cb) - {} - else - if(p[pixel[12]] > cb) - {} - else - continue; - else - if(p[pixel[12]] > cb) - if(p[pixel[13]] > cb) - {} - else - continue; - else - continue; - else - if(p[pixel[12]] > cb) - if(p[pixel[13]] > cb) - if(p[pixel[14]] > cb) - {} - else - continue; - else - continue; - else - continue; - else - if(p[pixel[12]] > cb) - if(p[pixel[13]] > cb) - if(p[pixel[14]] > cb) - if(p[pixel[15]] > cb) - {} - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else if(p[pixel[7]] < c_b) - if(p[pixel[8]] < c_b) - if(p[pixel[9]] < c_b) - if(p[pixel[10]] < c_b) - if(p[pixel[11]] < c_b) - if(p[pixel[12]] < c_b) - if(p[pixel[13]] < c_b) - if(p[pixel[14]] < c_b) - if(p[pixel[15]] < c_b) - {} - else - if(p[pixel[5]] < c_b) - if(p[pixel[6]] < c_b) - {} - else - continue; - else - continue; - else - if(p[pixel[4]] < c_b) - if(p[pixel[5]] < c_b) - if(p[pixel[6]] < c_b) - {} - else - continue; - else - continue; - else - continue; - else - if(p[pixel[3]] < c_b) - if(p[pixel[4]] < c_b) - if(p[pixel[5]] < c_b) - if(p[pixel[6]] < c_b) - {} - else - continue; - else - continue; - else - continue; - else - continue; - else - if(p[pixel[2]] < c_b) - if(p[pixel[3]] < c_b) - if(p[pixel[4]] < c_b) - if(p[pixel[5]] < c_b) - if(p[pixel[6]] < c_b) - {} - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else - if(p[pixel[6]] > cb) - if(p[pixel[7]] > cb) - if(p[pixel[8]] > cb) - if(p[pixel[9]] > cb) - if(p[pixel[10]] > cb) - if(p[pixel[5]] > cb) - if(p[pixel[4]] > cb) - if(p[pixel[3]] > cb) - if(p[pixel[2]] > cb) - if(p[pixel[1]] > cb) - {} - else - if(p[pixel[11]] > cb) - {} - else - continue; - else - if(p[pixel[11]] > cb) - if(p[pixel[12]] > cb) - {} - else - continue; - else - continue; - else - if(p[pixel[11]] > cb) - if(p[pixel[12]] > cb) - if(p[pixel[13]] > cb) - {} - else - continue; - else - continue; - else - continue; - else - if(p[pixel[11]] > cb) - if(p[pixel[12]] > cb) - if(p[pixel[13]] > cb) - if(p[pixel[14]] > cb) - {} - else - continue; - else - continue; - else - continue; - else - continue; - else - if(p[pixel[11]] > cb) - if(p[pixel[12]] > cb) - if(p[pixel[13]] > cb) - if(p[pixel[14]] > cb) - if(p[pixel[15]] > cb) - {} - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else if(p[pixel[6]] < c_b) - if(p[pixel[7]] < c_b) - if(p[pixel[8]] < c_b) - if(p[pixel[9]] < c_b) - if(p[pixel[10]] < c_b) - if(p[pixel[5]] < c_b) - if(p[pixel[4]] < c_b) - if(p[pixel[3]] < c_b) - if(p[pixel[2]] < c_b) - if(p[pixel[1]] < c_b) - {} - else - if(p[pixel[11]] < c_b) - {} - else - continue; - else - if(p[pixel[11]] < c_b) - if(p[pixel[12]] < c_b) - {} - else - continue; - else - continue; - else - if(p[pixel[11]] < c_b) - if(p[pixel[12]] < c_b) - if(p[pixel[13]] < c_b) - {} - else - continue; - else - continue; - else - continue; - else - if(p[pixel[11]] < c_b) - if(p[pixel[12]] < c_b) - if(p[pixel[13]] < c_b) - if(p[pixel[14]] < c_b) - {} - else - continue; - else - continue; - else - continue; - else - continue; - else - if(p[pixel[11]] < c_b) - if(p[pixel[12]] < c_b) - if(p[pixel[13]] < c_b) - if(p[pixel[14]] < c_b) - if(p[pixel[15]] < c_b) - {} - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - if(num_corners == rsize) - { - rsize*=2; - ret_corners = (xy*)realloc(ret_corners, sizeof(xy)*rsize); - } - - ret_corners[num_corners].x = x; - ret_corners[num_corners].y = y; - num_corners++; - } - - *ret_num_corners = num_corners; - return ret_corners; - -} - - diff --git a/extern/libmv/third_party/fast/fast_11.c b/extern/libmv/third_party/fast/fast_11.c deleted file mode 100644 index 589ddb169f1..00000000000 --- a/extern/libmv/third_party/fast/fast_11.c +++ /dev/null @@ -1,3909 +0,0 @@ -/*This is mechanically generated code*/ -#include <stdlib.h> - -#include "fast.h" - -int fast11_corner_score(const byte* p, const int pixel[], int bstart) -{ - int bmin = bstart; - int bmax = 255; - int b = (bmax + bmin)/2; - - /*Compute the score using binary search*/ - for(;;) - { - int cb = *p + b; - int c_b= *p - b; - - - if( p[pixel[0]] > cb) - if( p[pixel[1]] > cb) - if( p[pixel[2]] > cb) - if( p[pixel[3]] > cb) - if( p[pixel[4]] > cb) - if( p[pixel[5]] > cb) - if( p[pixel[6]] > cb) - if( p[pixel[7]] > cb) - if( p[pixel[8]] > cb) - if( p[pixel[9]] > cb) - if( p[pixel[10]] > cb) - goto is_a_corner; - else - if( p[pixel[15]] > cb) - goto is_a_corner; - else - goto is_not_a_corner; - else - if( p[pixel[14]] > cb) - if( p[pixel[15]] > cb) - goto is_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - if( p[pixel[13]] > cb) - if( p[pixel[14]] > cb) - if( p[pixel[15]] > cb) - goto is_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - if( p[pixel[12]] > cb) - if( p[pixel[13]] > cb) - if( p[pixel[14]] > cb) - if( p[pixel[15]] > cb) - goto is_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - if( p[pixel[11]] > cb) - if( p[pixel[12]] > cb) - if( p[pixel[13]] > cb) - if( p[pixel[14]] > cb) - if( p[pixel[15]] > cb) - goto is_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else if( p[pixel[5]] < c_b) - if( p[pixel[10]] > cb) - if( p[pixel[11]] > cb) - if( p[pixel[12]] > cb) - if( p[pixel[13]] > cb) - if( p[pixel[14]] > cb) - if( p[pixel[15]] > cb) - goto is_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else if( p[pixel[10]] < c_b) - if( p[pixel[6]] < c_b) - if( p[pixel[7]] < c_b) - if( p[pixel[8]] < c_b) - if( p[pixel[9]] < c_b) - if( p[pixel[11]] < c_b) - if( p[pixel[12]] < c_b) - if( p[pixel[13]] < c_b) - if( p[pixel[14]] < c_b) - if( p[pixel[15]] < c_b) - goto is_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - if( p[pixel[10]] > cb) - if( p[pixel[11]] > cb) - if( p[pixel[12]] > cb) - if( p[pixel[13]] > cb) - if( p[pixel[14]] > cb) - if( p[pixel[15]] > cb) - goto is_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else if( p[pixel[4]] < c_b) - if( p[pixel[15]] > cb) - if( p[pixel[9]] > cb) - if( p[pixel[10]] > cb) - if( p[pixel[11]] > cb) - if( p[pixel[12]] > cb) - if( p[pixel[13]] > cb) - if( p[pixel[14]] > cb) - goto is_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else if( p[pixel[9]] < c_b) - if( p[pixel[5]] < c_b) - if( p[pixel[6]] < c_b) - if( p[pixel[7]] < c_b) - if( p[pixel[8]] < c_b) - if( p[pixel[10]] < c_b) - if( p[pixel[11]] < c_b) - if( p[pixel[12]] < c_b) - if( p[pixel[13]] < c_b) - if( p[pixel[14]] < c_b) - goto is_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - if( p[pixel[5]] < c_b) - if( p[pixel[6]] < c_b) - if( p[pixel[7]] < c_b) - if( p[pixel[8]] < c_b) - if( p[pixel[9]] < c_b) - if( p[pixel[10]] < c_b) - if( p[pixel[11]] < c_b) - if( p[pixel[12]] < c_b) - if( p[pixel[13]] < c_b) - if( p[pixel[14]] < c_b) - goto is_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - if( p[pixel[9]] > cb) - if( p[pixel[10]] > cb) - if( p[pixel[11]] > cb) - if( p[pixel[12]] > cb) - if( p[pixel[13]] > cb) - if( p[pixel[14]] > cb) - if( p[pixel[15]] > cb) - goto is_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else if( p[pixel[9]] < c_b) - if( p[pixel[5]] < c_b) - if( p[pixel[6]] < c_b) - if( p[pixel[7]] < c_b) - if( p[pixel[8]] < c_b) - if( p[pixel[10]] < c_b) - if( p[pixel[11]] < c_b) - if( p[pixel[12]] < c_b) - if( p[pixel[13]] < c_b) - if( p[pixel[14]] < c_b) - if( p[pixel[15]] < c_b) - goto is_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else if( p[pixel[3]] < c_b) - if( p[pixel[14]] > cb) - if( p[pixel[8]] > cb) - if( p[pixel[9]] > cb) - if( p[pixel[10]] > cb) - if( p[pixel[11]] > cb) - if( p[pixel[12]] > cb) - if( p[pixel[13]] > cb) - if( p[pixel[15]] > cb) - goto is_a_corner; - else - if( p[pixel[4]] > cb) - if( p[pixel[5]] > cb) - if( p[pixel[6]] > cb) - if( p[pixel[7]] > cb) - goto is_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else if( p[pixel[8]] < c_b) - if( p[pixel[4]] < c_b) - if( p[pixel[5]] < c_b) - if( p[pixel[6]] < c_b) - if( p[pixel[7]] < c_b) - if( p[pixel[9]] < c_b) - if( p[pixel[10]] < c_b) - if( p[pixel[11]] < c_b) - if( p[pixel[12]] < c_b) - if( p[pixel[13]] < c_b) - goto is_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else if( p[pixel[14]] < c_b) - if( p[pixel[5]] < c_b) - if( p[pixel[6]] < c_b) - if( p[pixel[7]] < c_b) - if( p[pixel[8]] < c_b) - if( p[pixel[9]] < c_b) - if( p[pixel[10]] < c_b) - if( p[pixel[11]] < c_b) - if( p[pixel[12]] < c_b) - if( p[pixel[13]] < c_b) - if( p[pixel[4]] < c_b) - goto is_a_corner; - else - if( p[pixel[15]] < c_b) - goto is_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - if( p[pixel[4]] < c_b) - if( p[pixel[5]] < c_b) - if( p[pixel[6]] < c_b) - if( p[pixel[7]] < c_b) - if( p[pixel[8]] < c_b) - if( p[pixel[9]] < c_b) - if( p[pixel[10]] < c_b) - if( p[pixel[11]] < c_b) - if( p[pixel[12]] < c_b) - if( p[pixel[13]] < c_b) - goto is_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - if( p[pixel[8]] > cb) - if( p[pixel[9]] > cb) - if( p[pixel[10]] > cb) - if( p[pixel[11]] > cb) - if( p[pixel[12]] > cb) - if( p[pixel[13]] > cb) - if( p[pixel[14]] > cb) - if( p[pixel[15]] > cb) - goto is_a_corner; - else - if( p[pixel[4]] > cb) - if( p[pixel[5]] > cb) - if( p[pixel[6]] > cb) - if( p[pixel[7]] > cb) - goto is_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else if( p[pixel[8]] < c_b) - if( p[pixel[5]] < c_b) - if( p[pixel[6]] < c_b) - if( p[pixel[7]] < c_b) - if( p[pixel[9]] < c_b) - if( p[pixel[10]] < c_b) - if( p[pixel[11]] < c_b) - if( p[pixel[12]] < c_b) - if( p[pixel[13]] < c_b) - if( p[pixel[14]] < c_b) - if( p[pixel[4]] < c_b) - goto is_a_corner; - else - if( p[pixel[15]] < c_b) - goto is_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else if( p[pixel[2]] < c_b) - if( p[pixel[7]] > cb) - if( p[pixel[8]] > cb) - if( p[pixel[9]] > cb) - if( p[pixel[10]] > cb) - if( p[pixel[11]] > cb) - if( p[pixel[12]] > cb) - if( p[pixel[13]] > cb) - if( p[pixel[14]] > cb) - if( p[pixel[15]] > cb) - goto is_a_corner; - else - if( p[pixel[4]] > cb) - if( p[pixel[5]] > cb) - if( p[pixel[6]] > cb) - goto is_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - if( p[pixel[3]] > cb) - if( p[pixel[4]] > cb) - if( p[pixel[5]] > cb) - if( p[pixel[6]] > cb) - goto is_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else if( p[pixel[7]] < c_b) - if( p[pixel[5]] < c_b) - if( p[pixel[6]] < c_b) - if( p[pixel[8]] < c_b) - if( p[pixel[9]] < c_b) - if( p[pixel[10]] < c_b) - if( p[pixel[11]] < c_b) - if( p[pixel[12]] < c_b) - if( p[pixel[4]] < c_b) - if( p[pixel[3]] < c_b) - goto is_a_corner; - else - if( p[pixel[13]] < c_b) - if( p[pixel[14]] < c_b) - goto is_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - if( p[pixel[13]] < c_b) - if( p[pixel[14]] < c_b) - if( p[pixel[15]] < c_b) - goto is_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - if( p[pixel[7]] > cb) - if( p[pixel[8]] > cb) - if( p[pixel[9]] > cb) - if( p[pixel[10]] > cb) - if( p[pixel[11]] > cb) - if( p[pixel[12]] > cb) - if( p[pixel[13]] > cb) - if( p[pixel[14]] > cb) - if( p[pixel[15]] > cb) - goto is_a_corner; - else - if( p[pixel[4]] > cb) - if( p[pixel[5]] > cb) - if( p[pixel[6]] > cb) - goto is_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - if( p[pixel[3]] > cb) - if( p[pixel[4]] > cb) - if( p[pixel[5]] > cb) - if( p[pixel[6]] > cb) - goto is_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else if( p[pixel[7]] < c_b) - if( p[pixel[5]] < c_b) - if( p[pixel[6]] < c_b) - if( p[pixel[8]] < c_b) - if( p[pixel[9]] < c_b) - if( p[pixel[10]] < c_b) - if( p[pixel[11]] < c_b) - if( p[pixel[12]] < c_b) - if( p[pixel[13]] < c_b) - if( p[pixel[4]] < c_b) - if( p[pixel[3]] < c_b) - goto is_a_corner; - else - if( p[pixel[14]] < c_b) - goto is_a_corner; - else - goto is_not_a_corner; - else - if( p[pixel[14]] < c_b) - if( p[pixel[15]] < c_b) - goto is_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else if( p[pixel[1]] < c_b) - if( p[pixel[6]] > cb) - if( p[pixel[7]] > cb) - if( p[pixel[8]] > cb) - if( p[pixel[9]] > cb) - if( p[pixel[10]] > cb) - if( p[pixel[11]] > cb) - if( p[pixel[12]] > cb) - if( p[pixel[13]] > cb) - if( p[pixel[14]] > cb) - if( p[pixel[15]] > cb) - goto is_a_corner; - else - if( p[pixel[4]] > cb) - if( p[pixel[5]] > cb) - goto is_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - if( p[pixel[3]] > cb) - if( p[pixel[4]] > cb) - if( p[pixel[5]] > cb) - goto is_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - if( p[pixel[2]] > cb) - if( p[pixel[3]] > cb) - if( p[pixel[4]] > cb) - if( p[pixel[5]] > cb) - goto is_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else if( p[pixel[6]] < c_b) - if( p[pixel[5]] < c_b) - if( p[pixel[7]] < c_b) - if( p[pixel[8]] < c_b) - if( p[pixel[9]] < c_b) - if( p[pixel[10]] < c_b) - if( p[pixel[11]] < c_b) - if( p[pixel[4]] < c_b) - if( p[pixel[3]] < c_b) - if( p[pixel[2]] < c_b) - goto is_a_corner; - else - if( p[pixel[12]] < c_b) - if( p[pixel[13]] < c_b) - goto is_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - if( p[pixel[12]] < c_b) - if( p[pixel[13]] < c_b) - if( p[pixel[14]] < c_b) - goto is_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - if( p[pixel[12]] < c_b) - if( p[pixel[13]] < c_b) - if( p[pixel[14]] < c_b) - if( p[pixel[15]] < c_b) - goto is_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - if( p[pixel[6]] > cb) - if( p[pixel[7]] > cb) - if( p[pixel[8]] > cb) - if( p[pixel[9]] > cb) - if( p[pixel[10]] > cb) - if( p[pixel[11]] > cb) - if( p[pixel[12]] > cb) - if( p[pixel[13]] > cb) - if( p[pixel[14]] > cb) - if( p[pixel[15]] > cb) - goto is_a_corner; - else - if( p[pixel[4]] > cb) - if( p[pixel[5]] > cb) - goto is_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - if( p[pixel[3]] > cb) - if( p[pixel[4]] > cb) - if( p[pixel[5]] > cb) - goto is_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - if( p[pixel[2]] > cb) - if( p[pixel[3]] > cb) - if( p[pixel[4]] > cb) - if( p[pixel[5]] > cb) - goto is_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else if( p[pixel[6]] < c_b) - if( p[pixel[5]] < c_b) - if( p[pixel[7]] < c_b) - if( p[pixel[8]] < c_b) - if( p[pixel[9]] < c_b) - if( p[pixel[10]] < c_b) - if( p[pixel[11]] < c_b) - if( p[pixel[12]] < c_b) - if( p[pixel[4]] < c_b) - if( p[pixel[3]] < c_b) - if( p[pixel[2]] < c_b) - goto is_a_corner; - else - if( p[pixel[13]] < c_b) - goto is_a_corner; - else - goto is_not_a_corner; - else - if( p[pixel[13]] < c_b) - if( p[pixel[14]] < c_b) - goto is_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - if( p[pixel[13]] < c_b) - if( p[pixel[14]] < c_b) - if( p[pixel[15]] < c_b) - goto is_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else if( p[pixel[0]] < c_b) - if( p[pixel[1]] > cb) - if( p[pixel[6]] > cb) - if( p[pixel[5]] > cb) - if( p[pixel[7]] > cb) - if( p[pixel[8]] > cb) - if( p[pixel[9]] > cb) - if( p[pixel[10]] > cb) - if( p[pixel[11]] > cb) - if( p[pixel[4]] > cb) - if( p[pixel[3]] > cb) - if( p[pixel[2]] > cb) - goto is_a_corner; - else - if( p[pixel[12]] > cb) - if( p[pixel[13]] > cb) - goto is_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - if( p[pixel[12]] > cb) - if( p[pixel[13]] > cb) - if( p[pixel[14]] > cb) - goto is_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - if( p[pixel[12]] > cb) - if( p[pixel[13]] > cb) - if( p[pixel[14]] > cb) - if( p[pixel[15]] > cb) - goto is_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else if( p[pixel[6]] < c_b) - if( p[pixel[7]] < c_b) - if( p[pixel[8]] < c_b) - if( p[pixel[9]] < c_b) - if( p[pixel[10]] < c_b) - if( p[pixel[11]] < c_b) - if( p[pixel[12]] < c_b) - if( p[pixel[13]] < c_b) - if( p[pixel[14]] < c_b) - if( p[pixel[15]] < c_b) - goto is_a_corner; - else - if( p[pixel[4]] < c_b) - if( p[pixel[5]] < c_b) - goto is_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - if( p[pixel[3]] < c_b) - if( p[pixel[4]] < c_b) - if( p[pixel[5]] < c_b) - goto is_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - if( p[pixel[2]] < c_b) - if( p[pixel[3]] < c_b) - if( p[pixel[4]] < c_b) - if( p[pixel[5]] < c_b) - goto is_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else if( p[pixel[1]] < c_b) - if( p[pixel[2]] > cb) - if( p[pixel[7]] > cb) - if( p[pixel[5]] > cb) - if( p[pixel[6]] > cb) - if( p[pixel[8]] > cb) - if( p[pixel[9]] > cb) - if( p[pixel[10]] > cb) - if( p[pixel[11]] > cb) - if( p[pixel[12]] > cb) - if( p[pixel[4]] > cb) - if( p[pixel[3]] > cb) - goto is_a_corner; - else - if( p[pixel[13]] > cb) - if( p[pixel[14]] > cb) - goto is_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - if( p[pixel[13]] > cb) - if( p[pixel[14]] > cb) - if( p[pixel[15]] > cb) - goto is_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else if( p[pixel[7]] < c_b) - if( p[pixel[8]] < c_b) - if( p[pixel[9]] < c_b) - if( p[pixel[10]] < c_b) - if( p[pixel[11]] < c_b) - if( p[pixel[12]] < c_b) - if( p[pixel[13]] < c_b) - if( p[pixel[14]] < c_b) - if( p[pixel[15]] < c_b) - goto is_a_corner; - else - if( p[pixel[4]] < c_b) - if( p[pixel[5]] < c_b) - if( p[pixel[6]] < c_b) - goto is_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - if( p[pixel[3]] < c_b) - if( p[pixel[4]] < c_b) - if( p[pixel[5]] < c_b) - if( p[pixel[6]] < c_b) - goto is_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else if( p[pixel[2]] < c_b) - if( p[pixel[3]] > cb) - if( p[pixel[14]] > cb) - if( p[pixel[5]] > cb) - if( p[pixel[6]] > cb) - if( p[pixel[7]] > cb) - if( p[pixel[8]] > cb) - if( p[pixel[9]] > cb) - if( p[pixel[10]] > cb) - if( p[pixel[11]] > cb) - if( p[pixel[12]] > cb) - if( p[pixel[13]] > cb) - if( p[pixel[4]] > cb) - goto is_a_corner; - else - if( p[pixel[15]] > cb) - goto is_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else if( p[pixel[14]] < c_b) - if( p[pixel[8]] > cb) - if( p[pixel[4]] > cb) - if( p[pixel[5]] > cb) - if( p[pixel[6]] > cb) - if( p[pixel[7]] > cb) - if( p[pixel[9]] > cb) - if( p[pixel[10]] > cb) - if( p[pixel[11]] > cb) - if( p[pixel[12]] > cb) - if( p[pixel[13]] > cb) - goto is_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else if( p[pixel[8]] < c_b) - if( p[pixel[9]] < c_b) - if( p[pixel[10]] < c_b) - if( p[pixel[11]] < c_b) - if( p[pixel[12]] < c_b) - if( p[pixel[13]] < c_b) - if( p[pixel[15]] < c_b) - goto is_a_corner; - else - if( p[pixel[4]] < c_b) - if( p[pixel[5]] < c_b) - if( p[pixel[6]] < c_b) - if( p[pixel[7]] < c_b) - goto is_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - if( p[pixel[4]] > cb) - if( p[pixel[5]] > cb) - if( p[pixel[6]] > cb) - if( p[pixel[7]] > cb) - if( p[pixel[8]] > cb) - if( p[pixel[9]] > cb) - if( p[pixel[10]] > cb) - if( p[pixel[11]] > cb) - if( p[pixel[12]] > cb) - if( p[pixel[13]] > cb) - goto is_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else if( p[pixel[3]] < c_b) - if( p[pixel[4]] > cb) - if( p[pixel[15]] < c_b) - if( p[pixel[9]] > cb) - if( p[pixel[5]] > cb) - if( p[pixel[6]] > cb) - if( p[pixel[7]] > cb) - if( p[pixel[8]] > cb) - if( p[pixel[10]] > cb) - if( p[pixel[11]] > cb) - if( p[pixel[12]] > cb) - if( p[pixel[13]] > cb) - if( p[pixel[14]] > cb) - goto is_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else if( p[pixel[9]] < c_b) - if( p[pixel[10]] < c_b) - if( p[pixel[11]] < c_b) - if( p[pixel[12]] < c_b) - if( p[pixel[13]] < c_b) - if( p[pixel[14]] < c_b) - goto is_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - if( p[pixel[5]] > cb) - if( p[pixel[6]] > cb) - if( p[pixel[7]] > cb) - if( p[pixel[8]] > cb) - if( p[pixel[9]] > cb) - if( p[pixel[10]] > cb) - if( p[pixel[11]] > cb) - if( p[pixel[12]] > cb) - if( p[pixel[13]] > cb) - if( p[pixel[14]] > cb) - goto is_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else if( p[pixel[4]] < c_b) - if( p[pixel[5]] > cb) - if( p[pixel[10]] > cb) - if( p[pixel[6]] > cb) - if( p[pixel[7]] > cb) - if( p[pixel[8]] > cb) - if( p[pixel[9]] > cb) - if( p[pixel[11]] > cb) - if( p[pixel[12]] > cb) - if( p[pixel[13]] > cb) - if( p[pixel[14]] > cb) - if( p[pixel[15]] > cb) - goto is_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else if( p[pixel[10]] < c_b) - if( p[pixel[11]] < c_b) - if( p[pixel[12]] < c_b) - if( p[pixel[13]] < c_b) - if( p[pixel[14]] < c_b) - if( p[pixel[15]] < c_b) - goto is_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else if( p[pixel[5]] < c_b) - if( p[pixel[6]] < c_b) - if( p[pixel[7]] < c_b) - if( p[pixel[8]] < c_b) - if( p[pixel[9]] < c_b) - if( p[pixel[10]] < c_b) - goto is_a_corner; - else - if( p[pixel[15]] < c_b) - goto is_a_corner; - else - goto is_not_a_corner; - else - if( p[pixel[14]] < c_b) - if( p[pixel[15]] < c_b) - goto is_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - if( p[pixel[13]] < c_b) - if( p[pixel[14]] < c_b) - if( p[pixel[15]] < c_b) - goto is_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - if( p[pixel[12]] < c_b) - if( p[pixel[13]] < c_b) - if( p[pixel[14]] < c_b) - if( p[pixel[15]] < c_b) - goto is_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - if( p[pixel[11]] < c_b) - if( p[pixel[12]] < c_b) - if( p[pixel[13]] < c_b) - if( p[pixel[14]] < c_b) - if( p[pixel[15]] < c_b) - goto is_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - if( p[pixel[10]] < c_b) - if( p[pixel[11]] < c_b) - if( p[pixel[12]] < c_b) - if( p[pixel[13]] < c_b) - if( p[pixel[14]] < c_b) - if( p[pixel[15]] < c_b) - goto is_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - if( p[pixel[9]] > cb) - if( p[pixel[5]] > cb) - if( p[pixel[6]] > cb) - if( p[pixel[7]] > cb) - if( p[pixel[8]] > cb) - if( p[pixel[10]] > cb) - if( p[pixel[11]] > cb) - if( p[pixel[12]] > cb) - if( p[pixel[13]] > cb) - if( p[pixel[14]] > cb) - if( p[pixel[15]] > cb) - goto is_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else if( p[pixel[9]] < c_b) - if( p[pixel[10]] < c_b) - if( p[pixel[11]] < c_b) - if( p[pixel[12]] < c_b) - if( p[pixel[13]] < c_b) - if( p[pixel[14]] < c_b) - if( p[pixel[15]] < c_b) - goto is_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - if( p[pixel[8]] > cb) - if( p[pixel[5]] > cb) - if( p[pixel[6]] > cb) - if( p[pixel[7]] > cb) - if( p[pixel[9]] > cb) - if( p[pixel[10]] > cb) - if( p[pixel[11]] > cb) - if( p[pixel[12]] > cb) - if( p[pixel[13]] > cb) - if( p[pixel[14]] > cb) - if( p[pixel[4]] > cb) - goto is_a_corner; - else - if( p[pixel[15]] > cb) - goto is_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else if( p[pixel[8]] < c_b) - if( p[pixel[9]] < c_b) - if( p[pixel[10]] < c_b) - if( p[pixel[11]] < c_b) - if( p[pixel[12]] < c_b) - if( p[pixel[13]] < c_b) - if( p[pixel[14]] < c_b) - if( p[pixel[15]] < c_b) - goto is_a_corner; - else - if( p[pixel[4]] < c_b) - if( p[pixel[5]] < c_b) - if( p[pixel[6]] < c_b) - if( p[pixel[7]] < c_b) - goto is_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - if( p[pixel[7]] > cb) - if( p[pixel[5]] > cb) - if( p[pixel[6]] > cb) - if( p[pixel[8]] > cb) - if( p[pixel[9]] > cb) - if( p[pixel[10]] > cb) - if( p[pixel[11]] > cb) - if( p[pixel[12]] > cb) - if( p[pixel[13]] > cb) - if( p[pixel[4]] > cb) - if( p[pixel[3]] > cb) - goto is_a_corner; - else - if( p[pixel[14]] > cb) - goto is_a_corner; - else - goto is_not_a_corner; - else - if( p[pixel[14]] > cb) - if( p[pixel[15]] > cb) - goto is_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else if( p[pixel[7]] < c_b) - if( p[pixel[8]] < c_b) - if( p[pixel[9]] < c_b) - if( p[pixel[10]] < c_b) - if( p[pixel[11]] < c_b) - if( p[pixel[12]] < c_b) - if( p[pixel[13]] < c_b) - if( p[pixel[14]] < c_b) - if( p[pixel[15]] < c_b) - goto is_a_corner; - else - if( p[pixel[4]] < c_b) - if( p[pixel[5]] < c_b) - if( p[pixel[6]] < c_b) - goto is_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - if( p[pixel[3]] < c_b) - if( p[pixel[4]] < c_b) - if( p[pixel[5]] < c_b) - if( p[pixel[6]] < c_b) - goto is_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - if( p[pixel[6]] > cb) - if( p[pixel[5]] > cb) - if( p[pixel[7]] > cb) - if( p[pixel[8]] > cb) - if( p[pixel[9]] > cb) - if( p[pixel[10]] > cb) - if( p[pixel[11]] > cb) - if( p[pixel[12]] > cb) - if( p[pixel[4]] > cb) - if( p[pixel[3]] > cb) - if( p[pixel[2]] > cb) - goto is_a_corner; - else - if( p[pixel[13]] > cb) - goto is_a_corner; - else - goto is_not_a_corner; - else - if( p[pixel[13]] > cb) - if( p[pixel[14]] > cb) - goto is_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - if( p[pixel[13]] > cb) - if( p[pixel[14]] > cb) - if( p[pixel[15]] > cb) - goto is_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else if( p[pixel[6]] < c_b) - if( p[pixel[7]] < c_b) - if( p[pixel[8]] < c_b) - if( p[pixel[9]] < c_b) - if( p[pixel[10]] < c_b) - if( p[pixel[11]] < c_b) - if( p[pixel[12]] < c_b) - if( p[pixel[13]] < c_b) - if( p[pixel[14]] < c_b) - if( p[pixel[15]] < c_b) - goto is_a_corner; - else - if( p[pixel[4]] < c_b) - if( p[pixel[5]] < c_b) - goto is_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - if( p[pixel[3]] < c_b) - if( p[pixel[4]] < c_b) - if( p[pixel[5]] < c_b) - goto is_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - if( p[pixel[2]] < c_b) - if( p[pixel[3]] < c_b) - if( p[pixel[4]] < c_b) - if( p[pixel[5]] < c_b) - goto is_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - if( p[pixel[5]] > cb) - if( p[pixel[6]] > cb) - if( p[pixel[7]] > cb) - if( p[pixel[8]] > cb) - if( p[pixel[9]] > cb) - if( p[pixel[10]] > cb) - if( p[pixel[11]] > cb) - if( p[pixel[4]] > cb) - if( p[pixel[3]] > cb) - if( p[pixel[2]] > cb) - if( p[pixel[1]] > cb) - goto is_a_corner; - else - if( p[pixel[12]] > cb) - goto is_a_corner; - else - goto is_not_a_corner; - else - if( p[pixel[12]] > cb) - if( p[pixel[13]] > cb) - goto is_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - if( p[pixel[12]] > cb) - if( p[pixel[13]] > cb) - if( p[pixel[14]] > cb) - goto is_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - if( p[pixel[12]] > cb) - if( p[pixel[13]] > cb) - if( p[pixel[14]] > cb) - if( p[pixel[15]] > cb) - goto is_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else if( p[pixel[5]] < c_b) - if( p[pixel[6]] < c_b) - if( p[pixel[7]] < c_b) - if( p[pixel[8]] < c_b) - if( p[pixel[9]] < c_b) - if( p[pixel[10]] < c_b) - if( p[pixel[11]] < c_b) - if( p[pixel[4]] < c_b) - if( p[pixel[3]] < c_b) - if( p[pixel[2]] < c_b) - if( p[pixel[1]] < c_b) - goto is_a_corner; - else - if( p[pixel[12]] < c_b) - goto is_a_corner; - else - goto is_not_a_corner; - else - if( p[pixel[12]] < c_b) - if( p[pixel[13]] < c_b) - goto is_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - if( p[pixel[12]] < c_b) - if( p[pixel[13]] < c_b) - if( p[pixel[14]] < c_b) - goto is_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - if( p[pixel[12]] < c_b) - if( p[pixel[13]] < c_b) - if( p[pixel[14]] < c_b) - if( p[pixel[15]] < c_b) - goto is_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - - is_a_corner: - bmin=b; - goto end_if; - - is_not_a_corner: - bmax=b; - goto end_if; - - end_if: - - if(bmin == bmax - 1 || bmin == bmax) - return bmin; - b = (bmin + bmax) / 2; - } -} - -static void make_offsets(int pixel[], int row_stride) -{ - pixel[0] = 0 + row_stride * 3; - pixel[1] = 1 + row_stride * 3; - pixel[2] = 2 + row_stride * 2; - pixel[3] = 3 + row_stride * 1; - pixel[4] = 3 + row_stride * 0; - pixel[5] = 3 + row_stride * -1; - pixel[6] = 2 + row_stride * -2; - pixel[7] = 1 + row_stride * -3; - pixel[8] = 0 + row_stride * -3; - pixel[9] = -1 + row_stride * -3; - pixel[10] = -2 + row_stride * -2; - pixel[11] = -3 + row_stride * -1; - pixel[12] = -3 + row_stride * 0; - pixel[13] = -3 + row_stride * 1; - pixel[14] = -2 + row_stride * 2; - pixel[15] = -1 + row_stride * 3; -} - - - -int* fast11_score(const byte* i, int stride, xy* corners, int num_corners, int b) -{ - int* scores = (int*)malloc(sizeof(int)* num_corners); - int n; - - int pixel[16]; - make_offsets(pixel, stride); - - for(n=0; n < num_corners; n++) - scores[n] = fast11_corner_score(i + corners[n].y*stride + corners[n].x, pixel, b); - - return scores; -} - - -xy* fast11_detect(const byte* im, int xsize, int ysize, int stride, int b, int* ret_num_corners) -{ - int num_corners=0; - xy* ret_corners; - int rsize=512; - int pixel[16]; - int x, y; - - ret_corners = (xy*)malloc(sizeof(xy)*rsize); - make_offsets(pixel, stride); - - for(y=3; y < ysize - 3; y++) - for(x=3; x < xsize - 3; x++) - { - const byte* p = im + y*stride + x; - - int cb = *p + b; - int c_b= *p - b; - if(p[pixel[0]] > cb) - if(p[pixel[1]] > cb) - if(p[pixel[2]] > cb) - if(p[pixel[3]] > cb) - if(p[pixel[4]] > cb) - if(p[pixel[5]] > cb) - if(p[pixel[6]] > cb) - if(p[pixel[7]] > cb) - if(p[pixel[8]] > cb) - if(p[pixel[9]] > cb) - if(p[pixel[10]] > cb) - {} - else - if(p[pixel[15]] > cb) - {} - else - continue; - else - if(p[pixel[14]] > cb) - if(p[pixel[15]] > cb) - {} - else - continue; - else - continue; - else - if(p[pixel[13]] > cb) - if(p[pixel[14]] > cb) - if(p[pixel[15]] > cb) - {} - else - continue; - else - continue; - else - continue; - else - if(p[pixel[12]] > cb) - if(p[pixel[13]] > cb) - if(p[pixel[14]] > cb) - if(p[pixel[15]] > cb) - {} - else - continue; - else - continue; - else - continue; - else - continue; - else - if(p[pixel[11]] > cb) - if(p[pixel[12]] > cb) - if(p[pixel[13]] > cb) - if(p[pixel[14]] > cb) - if(p[pixel[15]] > cb) - {} - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else if(p[pixel[5]] < c_b) - if(p[pixel[10]] > cb) - if(p[pixel[11]] > cb) - if(p[pixel[12]] > cb) - if(p[pixel[13]] > cb) - if(p[pixel[14]] > cb) - if(p[pixel[15]] > cb) - {} - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else if(p[pixel[10]] < c_b) - if(p[pixel[6]] < c_b) - if(p[pixel[7]] < c_b) - if(p[pixel[8]] < c_b) - if(p[pixel[9]] < c_b) - if(p[pixel[11]] < c_b) - if(p[pixel[12]] < c_b) - if(p[pixel[13]] < c_b) - if(p[pixel[14]] < c_b) - if(p[pixel[15]] < c_b) - {} - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else - if(p[pixel[10]] > cb) - if(p[pixel[11]] > cb) - if(p[pixel[12]] > cb) - if(p[pixel[13]] > cb) - if(p[pixel[14]] > cb) - if(p[pixel[15]] > cb) - {} - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else if(p[pixel[4]] < c_b) - if(p[pixel[15]] > cb) - if(p[pixel[9]] > cb) - if(p[pixel[10]] > cb) - if(p[pixel[11]] > cb) - if(p[pixel[12]] > cb) - if(p[pixel[13]] > cb) - if(p[pixel[14]] > cb) - {} - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else if(p[pixel[9]] < c_b) - if(p[pixel[5]] < c_b) - if(p[pixel[6]] < c_b) - if(p[pixel[7]] < c_b) - if(p[pixel[8]] < c_b) - if(p[pixel[10]] < c_b) - if(p[pixel[11]] < c_b) - if(p[pixel[12]] < c_b) - if(p[pixel[13]] < c_b) - if(p[pixel[14]] < c_b) - {} - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else - if(p[pixel[5]] < c_b) - if(p[pixel[6]] < c_b) - if(p[pixel[7]] < c_b) - if(p[pixel[8]] < c_b) - if(p[pixel[9]] < c_b) - if(p[pixel[10]] < c_b) - if(p[pixel[11]] < c_b) - if(p[pixel[12]] < c_b) - if(p[pixel[13]] < c_b) - if(p[pixel[14]] < c_b) - {} - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else - if(p[pixel[9]] > cb) - if(p[pixel[10]] > cb) - if(p[pixel[11]] > cb) - if(p[pixel[12]] > cb) - if(p[pixel[13]] > cb) - if(p[pixel[14]] > cb) - if(p[pixel[15]] > cb) - {} - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else if(p[pixel[9]] < c_b) - if(p[pixel[5]] < c_b) - if(p[pixel[6]] < c_b) - if(p[pixel[7]] < c_b) - if(p[pixel[8]] < c_b) - if(p[pixel[10]] < c_b) - if(p[pixel[11]] < c_b) - if(p[pixel[12]] < c_b) - if(p[pixel[13]] < c_b) - if(p[pixel[14]] < c_b) - if(p[pixel[15]] < c_b) - {} - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else if(p[pixel[3]] < c_b) - if(p[pixel[14]] > cb) - if(p[pixel[8]] > cb) - if(p[pixel[9]] > cb) - if(p[pixel[10]] > cb) - if(p[pixel[11]] > cb) - if(p[pixel[12]] > cb) - if(p[pixel[13]] > cb) - if(p[pixel[15]] > cb) - {} - else - if(p[pixel[4]] > cb) - if(p[pixel[5]] > cb) - if(p[pixel[6]] > cb) - if(p[pixel[7]] > cb) - {} - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else if(p[pixel[8]] < c_b) - if(p[pixel[4]] < c_b) - if(p[pixel[5]] < c_b) - if(p[pixel[6]] < c_b) - if(p[pixel[7]] < c_b) - if(p[pixel[9]] < c_b) - if(p[pixel[10]] < c_b) - if(p[pixel[11]] < c_b) - if(p[pixel[12]] < c_b) - if(p[pixel[13]] < c_b) - {} - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else if(p[pixel[14]] < c_b) - if(p[pixel[5]] < c_b) - if(p[pixel[6]] < c_b) - if(p[pixel[7]] < c_b) - if(p[pixel[8]] < c_b) - if(p[pixel[9]] < c_b) - if(p[pixel[10]] < c_b) - if(p[pixel[11]] < c_b) - if(p[pixel[12]] < c_b) - if(p[pixel[13]] < c_b) - if(p[pixel[4]] < c_b) - {} - else - if(p[pixel[15]] < c_b) - {} - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else - if(p[pixel[4]] < c_b) - if(p[pixel[5]] < c_b) - if(p[pixel[6]] < c_b) - if(p[pixel[7]] < c_b) - if(p[pixel[8]] < c_b) - if(p[pixel[9]] < c_b) - if(p[pixel[10]] < c_b) - if(p[pixel[11]] < c_b) - if(p[pixel[12]] < c_b) - if(p[pixel[13]] < c_b) - {} - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else - if(p[pixel[8]] > cb) - if(p[pixel[9]] > cb) - if(p[pixel[10]] > cb) - if(p[pixel[11]] > cb) - if(p[pixel[12]] > cb) - if(p[pixel[13]] > cb) - if(p[pixel[14]] > cb) - if(p[pixel[15]] > cb) - {} - else - if(p[pixel[4]] > cb) - if(p[pixel[5]] > cb) - if(p[pixel[6]] > cb) - if(p[pixel[7]] > cb) - {} - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else if(p[pixel[8]] < c_b) - if(p[pixel[5]] < c_b) - if(p[pixel[6]] < c_b) - if(p[pixel[7]] < c_b) - if(p[pixel[9]] < c_b) - if(p[pixel[10]] < c_b) - if(p[pixel[11]] < c_b) - if(p[pixel[12]] < c_b) - if(p[pixel[13]] < c_b) - if(p[pixel[14]] < c_b) - if(p[pixel[4]] < c_b) - {} - else - if(p[pixel[15]] < c_b) - {} - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else if(p[pixel[2]] < c_b) - if(p[pixel[7]] > cb) - if(p[pixel[8]] > cb) - if(p[pixel[9]] > cb) - if(p[pixel[10]] > cb) - if(p[pixel[11]] > cb) - if(p[pixel[12]] > cb) - if(p[pixel[13]] > cb) - if(p[pixel[14]] > cb) - if(p[pixel[15]] > cb) - {} - else - if(p[pixel[4]] > cb) - if(p[pixel[5]] > cb) - if(p[pixel[6]] > cb) - {} - else - continue; - else - continue; - else - continue; - else - if(p[pixel[3]] > cb) - if(p[pixel[4]] > cb) - if(p[pixel[5]] > cb) - if(p[pixel[6]] > cb) - {} - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else if(p[pixel[7]] < c_b) - if(p[pixel[5]] < c_b) - if(p[pixel[6]] < c_b) - if(p[pixel[8]] < c_b) - if(p[pixel[9]] < c_b) - if(p[pixel[10]] < c_b) - if(p[pixel[11]] < c_b) - if(p[pixel[12]] < c_b) - if(p[pixel[4]] < c_b) - if(p[pixel[3]] < c_b) - {} - else - if(p[pixel[13]] < c_b) - if(p[pixel[14]] < c_b) - {} - else - continue; - else - continue; - else - if(p[pixel[13]] < c_b) - if(p[pixel[14]] < c_b) - if(p[pixel[15]] < c_b) - {} - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else - if(p[pixel[7]] > cb) - if(p[pixel[8]] > cb) - if(p[pixel[9]] > cb) - if(p[pixel[10]] > cb) - if(p[pixel[11]] > cb) - if(p[pixel[12]] > cb) - if(p[pixel[13]] > cb) - if(p[pixel[14]] > cb) - if(p[pixel[15]] > cb) - {} - else - if(p[pixel[4]] > cb) - if(p[pixel[5]] > cb) - if(p[pixel[6]] > cb) - {} - else - continue; - else - continue; - else - continue; - else - if(p[pixel[3]] > cb) - if(p[pixel[4]] > cb) - if(p[pixel[5]] > cb) - if(p[pixel[6]] > cb) - {} - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else if(p[pixel[7]] < c_b) - if(p[pixel[5]] < c_b) - if(p[pixel[6]] < c_b) - if(p[pixel[8]] < c_b) - if(p[pixel[9]] < c_b) - if(p[pixel[10]] < c_b) - if(p[pixel[11]] < c_b) - if(p[pixel[12]] < c_b) - if(p[pixel[13]] < c_b) - if(p[pixel[4]] < c_b) - if(p[pixel[3]] < c_b) - {} - else - if(p[pixel[14]] < c_b) - {} - else - continue; - else - if(p[pixel[14]] < c_b) - if(p[pixel[15]] < c_b) - {} - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else if(p[pixel[1]] < c_b) - if(p[pixel[6]] > cb) - if(p[pixel[7]] > cb) - if(p[pixel[8]] > cb) - if(p[pixel[9]] > cb) - if(p[pixel[10]] > cb) - if(p[pixel[11]] > cb) - if(p[pixel[12]] > cb) - if(p[pixel[13]] > cb) - if(p[pixel[14]] > cb) - if(p[pixel[15]] > cb) - {} - else - if(p[pixel[4]] > cb) - if(p[pixel[5]] > cb) - {} - else - continue; - else - continue; - else - if(p[pixel[3]] > cb) - if(p[pixel[4]] > cb) - if(p[pixel[5]] > cb) - {} - else - continue; - else - continue; - else - continue; - else - if(p[pixel[2]] > cb) - if(p[pixel[3]] > cb) - if(p[pixel[4]] > cb) - if(p[pixel[5]] > cb) - {} - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else if(p[pixel[6]] < c_b) - if(p[pixel[5]] < c_b) - if(p[pixel[7]] < c_b) - if(p[pixel[8]] < c_b) - if(p[pixel[9]] < c_b) - if(p[pixel[10]] < c_b) - if(p[pixel[11]] < c_b) - if(p[pixel[4]] < c_b) - if(p[pixel[3]] < c_b) - if(p[pixel[2]] < c_b) - {} - else - if(p[pixel[12]] < c_b) - if(p[pixel[13]] < c_b) - {} - else - continue; - else - continue; - else - if(p[pixel[12]] < c_b) - if(p[pixel[13]] < c_b) - if(p[pixel[14]] < c_b) - {} - else - continue; - else - continue; - else - continue; - else - if(p[pixel[12]] < c_b) - if(p[pixel[13]] < c_b) - if(p[pixel[14]] < c_b) - if(p[pixel[15]] < c_b) - {} - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else - if(p[pixel[6]] > cb) - if(p[pixel[7]] > cb) - if(p[pixel[8]] > cb) - if(p[pixel[9]] > cb) - if(p[pixel[10]] > cb) - if(p[pixel[11]] > cb) - if(p[pixel[12]] > cb) - if(p[pixel[13]] > cb) - if(p[pixel[14]] > cb) - if(p[pixel[15]] > cb) - {} - else - if(p[pixel[4]] > cb) - if(p[pixel[5]] > cb) - {} - else - continue; - else - continue; - else - if(p[pixel[3]] > cb) - if(p[pixel[4]] > cb) - if(p[pixel[5]] > cb) - {} - else - continue; - else - continue; - else - continue; - else - if(p[pixel[2]] > cb) - if(p[pixel[3]] > cb) - if(p[pixel[4]] > cb) - if(p[pixel[5]] > cb) - {} - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else if(p[pixel[6]] < c_b) - if(p[pixel[5]] < c_b) - if(p[pixel[7]] < c_b) - if(p[pixel[8]] < c_b) - if(p[pixel[9]] < c_b) - if(p[pixel[10]] < c_b) - if(p[pixel[11]] < c_b) - if(p[pixel[12]] < c_b) - if(p[pixel[4]] < c_b) - if(p[pixel[3]] < c_b) - if(p[pixel[2]] < c_b) - {} - else - if(p[pixel[13]] < c_b) - {} - else - continue; - else - if(p[pixel[13]] < c_b) - if(p[pixel[14]] < c_b) - {} - else - continue; - else - continue; - else - if(p[pixel[13]] < c_b) - if(p[pixel[14]] < c_b) - if(p[pixel[15]] < c_b) - {} - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else if(p[pixel[0]] < c_b) - if(p[pixel[1]] > cb) - if(p[pixel[6]] > cb) - if(p[pixel[5]] > cb) - if(p[pixel[7]] > cb) - if(p[pixel[8]] > cb) - if(p[pixel[9]] > cb) - if(p[pixel[10]] > cb) - if(p[pixel[11]] > cb) - if(p[pixel[4]] > cb) - if(p[pixel[3]] > cb) - if(p[pixel[2]] > cb) - {} - else - if(p[pixel[12]] > cb) - if(p[pixel[13]] > cb) - {} - else - continue; - else - continue; - else - if(p[pixel[12]] > cb) - if(p[pixel[13]] > cb) - if(p[pixel[14]] > cb) - {} - else - continue; - else - continue; - else - continue; - else - if(p[pixel[12]] > cb) - if(p[pixel[13]] > cb) - if(p[pixel[14]] > cb) - if(p[pixel[15]] > cb) - {} - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else if(p[pixel[6]] < c_b) - if(p[pixel[7]] < c_b) - if(p[pixel[8]] < c_b) - if(p[pixel[9]] < c_b) - if(p[pixel[10]] < c_b) - if(p[pixel[11]] < c_b) - if(p[pixel[12]] < c_b) - if(p[pixel[13]] < c_b) - if(p[pixel[14]] < c_b) - if(p[pixel[15]] < c_b) - {} - else - if(p[pixel[4]] < c_b) - if(p[pixel[5]] < c_b) - {} - else - continue; - else - continue; - else - if(p[pixel[3]] < c_b) - if(p[pixel[4]] < c_b) - if(p[pixel[5]] < c_b) - {} - else - continue; - else - continue; - else - continue; - else - if(p[pixel[2]] < c_b) - if(p[pixel[3]] < c_b) - if(p[pixel[4]] < c_b) - if(p[pixel[5]] < c_b) - {} - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else if(p[pixel[1]] < c_b) - if(p[pixel[2]] > cb) - if(p[pixel[7]] > cb) - if(p[pixel[5]] > cb) - if(p[pixel[6]] > cb) - if(p[pixel[8]] > cb) - if(p[pixel[9]] > cb) - if(p[pixel[10]] > cb) - if(p[pixel[11]] > cb) - if(p[pixel[12]] > cb) - if(p[pixel[4]] > cb) - if(p[pixel[3]] > cb) - {} - else - if(p[pixel[13]] > cb) - if(p[pixel[14]] > cb) - {} - else - continue; - else - continue; - else - if(p[pixel[13]] > cb) - if(p[pixel[14]] > cb) - if(p[pixel[15]] > cb) - {} - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else if(p[pixel[7]] < c_b) - if(p[pixel[8]] < c_b) - if(p[pixel[9]] < c_b) - if(p[pixel[10]] < c_b) - if(p[pixel[11]] < c_b) - if(p[pixel[12]] < c_b) - if(p[pixel[13]] < c_b) - if(p[pixel[14]] < c_b) - if(p[pixel[15]] < c_b) - {} - else - if(p[pixel[4]] < c_b) - if(p[pixel[5]] < c_b) - if(p[pixel[6]] < c_b) - {} - else - continue; - else - continue; - else - continue; - else - if(p[pixel[3]] < c_b) - if(p[pixel[4]] < c_b) - if(p[pixel[5]] < c_b) - if(p[pixel[6]] < c_b) - {} - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else if(p[pixel[2]] < c_b) - if(p[pixel[3]] > cb) - if(p[pixel[14]] > cb) - if(p[pixel[5]] > cb) - if(p[pixel[6]] > cb) - if(p[pixel[7]] > cb) - if(p[pixel[8]] > cb) - if(p[pixel[9]] > cb) - if(p[pixel[10]] > cb) - if(p[pixel[11]] > cb) - if(p[pixel[12]] > cb) - if(p[pixel[13]] > cb) - if(p[pixel[4]] > cb) - {} - else - if(p[pixel[15]] > cb) - {} - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else if(p[pixel[14]] < c_b) - if(p[pixel[8]] > cb) - if(p[pixel[4]] > cb) - if(p[pixel[5]] > cb) - if(p[pixel[6]] > cb) - if(p[pixel[7]] > cb) - if(p[pixel[9]] > cb) - if(p[pixel[10]] > cb) - if(p[pixel[11]] > cb) - if(p[pixel[12]] > cb) - if(p[pixel[13]] > cb) - {} - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else if(p[pixel[8]] < c_b) - if(p[pixel[9]] < c_b) - if(p[pixel[10]] < c_b) - if(p[pixel[11]] < c_b) - if(p[pixel[12]] < c_b) - if(p[pixel[13]] < c_b) - if(p[pixel[15]] < c_b) - {} - else - if(p[pixel[4]] < c_b) - if(p[pixel[5]] < c_b) - if(p[pixel[6]] < c_b) - if(p[pixel[7]] < c_b) - {} - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else - if(p[pixel[4]] > cb) - if(p[pixel[5]] > cb) - if(p[pixel[6]] > cb) - if(p[pixel[7]] > cb) - if(p[pixel[8]] > cb) - if(p[pixel[9]] > cb) - if(p[pixel[10]] > cb) - if(p[pixel[11]] > cb) - if(p[pixel[12]] > cb) - if(p[pixel[13]] > cb) - {} - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else if(p[pixel[3]] < c_b) - if(p[pixel[4]] > cb) - if(p[pixel[15]] < c_b) - if(p[pixel[9]] > cb) - if(p[pixel[5]] > cb) - if(p[pixel[6]] > cb) - if(p[pixel[7]] > cb) - if(p[pixel[8]] > cb) - if(p[pixel[10]] > cb) - if(p[pixel[11]] > cb) - if(p[pixel[12]] > cb) - if(p[pixel[13]] > cb) - if(p[pixel[14]] > cb) - {} - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else if(p[pixel[9]] < c_b) - if(p[pixel[10]] < c_b) - if(p[pixel[11]] < c_b) - if(p[pixel[12]] < c_b) - if(p[pixel[13]] < c_b) - if(p[pixel[14]] < c_b) - {} - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else - if(p[pixel[5]] > cb) - if(p[pixel[6]] > cb) - if(p[pixel[7]] > cb) - if(p[pixel[8]] > cb) - if(p[pixel[9]] > cb) - if(p[pixel[10]] > cb) - if(p[pixel[11]] > cb) - if(p[pixel[12]] > cb) - if(p[pixel[13]] > cb) - if(p[pixel[14]] > cb) - {} - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else if(p[pixel[4]] < c_b) - if(p[pixel[5]] > cb) - if(p[pixel[10]] > cb) - if(p[pixel[6]] > cb) - if(p[pixel[7]] > cb) - if(p[pixel[8]] > cb) - if(p[pixel[9]] > cb) - if(p[pixel[11]] > cb) - if(p[pixel[12]] > cb) - if(p[pixel[13]] > cb) - if(p[pixel[14]] > cb) - if(p[pixel[15]] > cb) - {} - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else if(p[pixel[10]] < c_b) - if(p[pixel[11]] < c_b) - if(p[pixel[12]] < c_b) - if(p[pixel[13]] < c_b) - if(p[pixel[14]] < c_b) - if(p[pixel[15]] < c_b) - {} - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else if(p[pixel[5]] < c_b) - if(p[pixel[6]] < c_b) - if(p[pixel[7]] < c_b) - if(p[pixel[8]] < c_b) - if(p[pixel[9]] < c_b) - if(p[pixel[10]] < c_b) - {} - else - if(p[pixel[15]] < c_b) - {} - else - continue; - else - if(p[pixel[14]] < c_b) - if(p[pixel[15]] < c_b) - {} - else - continue; - else - continue; - else - if(p[pixel[13]] < c_b) - if(p[pixel[14]] < c_b) - if(p[pixel[15]] < c_b) - {} - else - continue; - else - continue; - else - continue; - else - if(p[pixel[12]] < c_b) - if(p[pixel[13]] < c_b) - if(p[pixel[14]] < c_b) - if(p[pixel[15]] < c_b) - {} - else - continue; - else - continue; - else - continue; - else - continue; - else - if(p[pixel[11]] < c_b) - if(p[pixel[12]] < c_b) - if(p[pixel[13]] < c_b) - if(p[pixel[14]] < c_b) - if(p[pixel[15]] < c_b) - {} - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else - if(p[pixel[10]] < c_b) - if(p[pixel[11]] < c_b) - if(p[pixel[12]] < c_b) - if(p[pixel[13]] < c_b) - if(p[pixel[14]] < c_b) - if(p[pixel[15]] < c_b) - {} - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else - if(p[pixel[9]] > cb) - if(p[pixel[5]] > cb) - if(p[pixel[6]] > cb) - if(p[pixel[7]] > cb) - if(p[pixel[8]] > cb) - if(p[pixel[10]] > cb) - if(p[pixel[11]] > cb) - if(p[pixel[12]] > cb) - if(p[pixel[13]] > cb) - if(p[pixel[14]] > cb) - if(p[pixel[15]] > cb) - {} - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else if(p[pixel[9]] < c_b) - if(p[pixel[10]] < c_b) - if(p[pixel[11]] < c_b) - if(p[pixel[12]] < c_b) - if(p[pixel[13]] < c_b) - if(p[pixel[14]] < c_b) - if(p[pixel[15]] < c_b) - {} - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else - if(p[pixel[8]] > cb) - if(p[pixel[5]] > cb) - if(p[pixel[6]] > cb) - if(p[pixel[7]] > cb) - if(p[pixel[9]] > cb) - if(p[pixel[10]] > cb) - if(p[pixel[11]] > cb) - if(p[pixel[12]] > cb) - if(p[pixel[13]] > cb) - if(p[pixel[14]] > cb) - if(p[pixel[4]] > cb) - {} - else - if(p[pixel[15]] > cb) - {} - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else if(p[pixel[8]] < c_b) - if(p[pixel[9]] < c_b) - if(p[pixel[10]] < c_b) - if(p[pixel[11]] < c_b) - if(p[pixel[12]] < c_b) - if(p[pixel[13]] < c_b) - if(p[pixel[14]] < c_b) - if(p[pixel[15]] < c_b) - {} - else - if(p[pixel[4]] < c_b) - if(p[pixel[5]] < c_b) - if(p[pixel[6]] < c_b) - if(p[pixel[7]] < c_b) - {} - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else - if(p[pixel[7]] > cb) - if(p[pixel[5]] > cb) - if(p[pixel[6]] > cb) - if(p[pixel[8]] > cb) - if(p[pixel[9]] > cb) - if(p[pixel[10]] > cb) - if(p[pixel[11]] > cb) - if(p[pixel[12]] > cb) - if(p[pixel[13]] > cb) - if(p[pixel[4]] > cb) - if(p[pixel[3]] > cb) - {} - else - if(p[pixel[14]] > cb) - {} - else - continue; - else - if(p[pixel[14]] > cb) - if(p[pixel[15]] > cb) - {} - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else if(p[pixel[7]] < c_b) - if(p[pixel[8]] < c_b) - if(p[pixel[9]] < c_b) - if(p[pixel[10]] < c_b) - if(p[pixel[11]] < c_b) - if(p[pixel[12]] < c_b) - if(p[pixel[13]] < c_b) - if(p[pixel[14]] < c_b) - if(p[pixel[15]] < c_b) - {} - else - if(p[pixel[4]] < c_b) - if(p[pixel[5]] < c_b) - if(p[pixel[6]] < c_b) - {} - else - continue; - else - continue; - else - continue; - else - if(p[pixel[3]] < c_b) - if(p[pixel[4]] < c_b) - if(p[pixel[5]] < c_b) - if(p[pixel[6]] < c_b) - {} - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else - if(p[pixel[6]] > cb) - if(p[pixel[5]] > cb) - if(p[pixel[7]] > cb) - if(p[pixel[8]] > cb) - if(p[pixel[9]] > cb) - if(p[pixel[10]] > cb) - if(p[pixel[11]] > cb) - if(p[pixel[12]] > cb) - if(p[pixel[4]] > cb) - if(p[pixel[3]] > cb) - if(p[pixel[2]] > cb) - {} - else - if(p[pixel[13]] > cb) - {} - else - continue; - else - if(p[pixel[13]] > cb) - if(p[pixel[14]] > cb) - {} - else - continue; - else - continue; - else - if(p[pixel[13]] > cb) - if(p[pixel[14]] > cb) - if(p[pixel[15]] > cb) - {} - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else if(p[pixel[6]] < c_b) - if(p[pixel[7]] < c_b) - if(p[pixel[8]] < c_b) - if(p[pixel[9]] < c_b) - if(p[pixel[10]] < c_b) - if(p[pixel[11]] < c_b) - if(p[pixel[12]] < c_b) - if(p[pixel[13]] < c_b) - if(p[pixel[14]] < c_b) - if(p[pixel[15]] < c_b) - {} - else - if(p[pixel[4]] < c_b) - if(p[pixel[5]] < c_b) - {} - else - continue; - else - continue; - else - if(p[pixel[3]] < c_b) - if(p[pixel[4]] < c_b) - if(p[pixel[5]] < c_b) - {} - else - continue; - else - continue; - else - continue; - else - if(p[pixel[2]] < c_b) - if(p[pixel[3]] < c_b) - if(p[pixel[4]] < c_b) - if(p[pixel[5]] < c_b) - {} - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else - if(p[pixel[5]] > cb) - if(p[pixel[6]] > cb) - if(p[pixel[7]] > cb) - if(p[pixel[8]] > cb) - if(p[pixel[9]] > cb) - if(p[pixel[10]] > cb) - if(p[pixel[11]] > cb) - if(p[pixel[4]] > cb) - if(p[pixel[3]] > cb) - if(p[pixel[2]] > cb) - if(p[pixel[1]] > cb) - {} - else - if(p[pixel[12]] > cb) - {} - else - continue; - else - if(p[pixel[12]] > cb) - if(p[pixel[13]] > cb) - {} - else - continue; - else - continue; - else - if(p[pixel[12]] > cb) - if(p[pixel[13]] > cb) - if(p[pixel[14]] > cb) - {} - else - continue; - else - continue; - else - continue; - else - if(p[pixel[12]] > cb) - if(p[pixel[13]] > cb) - if(p[pixel[14]] > cb) - if(p[pixel[15]] > cb) - {} - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else if(p[pixel[5]] < c_b) - if(p[pixel[6]] < c_b) - if(p[pixel[7]] < c_b) - if(p[pixel[8]] < c_b) - if(p[pixel[9]] < c_b) - if(p[pixel[10]] < c_b) - if(p[pixel[11]] < c_b) - if(p[pixel[4]] < c_b) - if(p[pixel[3]] < c_b) - if(p[pixel[2]] < c_b) - if(p[pixel[1]] < c_b) - {} - else - if(p[pixel[12]] < c_b) - {} - else - continue; - else - if(p[pixel[12]] < c_b) - if(p[pixel[13]] < c_b) - {} - else - continue; - else - continue; - else - if(p[pixel[12]] < c_b) - if(p[pixel[13]] < c_b) - if(p[pixel[14]] < c_b) - {} - else - continue; - else - continue; - else - continue; - else - if(p[pixel[12]] < c_b) - if(p[pixel[13]] < c_b) - if(p[pixel[14]] < c_b) - if(p[pixel[15]] < c_b) - {} - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - if(num_corners == rsize) - { - rsize*=2; - ret_corners = (xy*)realloc(ret_corners, sizeof(xy)*rsize); - } - - ret_corners[num_corners].x = x; - ret_corners[num_corners].y = y; - num_corners++; - } - - *ret_num_corners = num_corners; - return ret_corners; - -} - - diff --git a/extern/libmv/third_party/fast/fast_12.c b/extern/libmv/third_party/fast/fast_12.c deleted file mode 100644 index 27426f8c0d8..00000000000 --- a/extern/libmv/third_party/fast/fast_12.c +++ /dev/null @@ -1,3133 +0,0 @@ -/*This is mechanically generated code*/ -#include <stdlib.h> - -#include "fast.h" - -int fast12_corner_score(const byte* p, const int pixel[], int bstart) -{ - int bmin = bstart; - int bmax = 255; - int b = (bmax + bmin)/2; - - /*Compute the score using binary search*/ - for(;;) - { - int cb = *p + b; - int c_b= *p - b; - - - if( p[pixel[0]] > cb) - if( p[pixel[1]] > cb) - if( p[pixel[2]] > cb) - if( p[pixel[3]] > cb) - if( p[pixel[4]] > cb) - if( p[pixel[5]] > cb) - if( p[pixel[6]] > cb) - if( p[pixel[7]] > cb) - if( p[pixel[8]] > cb) - if( p[pixel[9]] > cb) - if( p[pixel[10]] > cb) - if( p[pixel[11]] > cb) - goto is_a_corner; - else - if( p[pixel[15]] > cb) - goto is_a_corner; - else - goto is_not_a_corner; - else - if( p[pixel[14]] > cb) - if( p[pixel[15]] > cb) - goto is_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - if( p[pixel[13]] > cb) - if( p[pixel[14]] > cb) - if( p[pixel[15]] > cb) - goto is_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - if( p[pixel[12]] > cb) - if( p[pixel[13]] > cb) - if( p[pixel[14]] > cb) - if( p[pixel[15]] > cb) - goto is_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - if( p[pixel[11]] > cb) - if( p[pixel[12]] > cb) - if( p[pixel[13]] > cb) - if( p[pixel[14]] > cb) - if( p[pixel[15]] > cb) - goto is_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - if( p[pixel[10]] > cb) - if( p[pixel[11]] > cb) - if( p[pixel[12]] > cb) - if( p[pixel[13]] > cb) - if( p[pixel[14]] > cb) - if( p[pixel[15]] > cb) - goto is_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - if( p[pixel[9]] > cb) - if( p[pixel[10]] > cb) - if( p[pixel[11]] > cb) - if( p[pixel[12]] > cb) - if( p[pixel[13]] > cb) - if( p[pixel[14]] > cb) - if( p[pixel[15]] > cb) - goto is_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else if( p[pixel[4]] < c_b) - if( p[pixel[8]] > cb) - if( p[pixel[9]] > cb) - if( p[pixel[10]] > cb) - if( p[pixel[11]] > cb) - if( p[pixel[12]] > cb) - if( p[pixel[13]] > cb) - if( p[pixel[14]] > cb) - if( p[pixel[15]] > cb) - goto is_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else if( p[pixel[8]] < c_b) - if( p[pixel[5]] < c_b) - if( p[pixel[6]] < c_b) - if( p[pixel[7]] < c_b) - if( p[pixel[9]] < c_b) - if( p[pixel[10]] < c_b) - if( p[pixel[11]] < c_b) - if( p[pixel[12]] < c_b) - if( p[pixel[13]] < c_b) - if( p[pixel[14]] < c_b) - if( p[pixel[15]] < c_b) - goto is_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - if( p[pixel[8]] > cb) - if( p[pixel[9]] > cb) - if( p[pixel[10]] > cb) - if( p[pixel[11]] > cb) - if( p[pixel[12]] > cb) - if( p[pixel[13]] > cb) - if( p[pixel[14]] > cb) - if( p[pixel[15]] > cb) - goto is_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else if( p[pixel[3]] < c_b) - if( p[pixel[15]] > cb) - if( p[pixel[7]] > cb) - if( p[pixel[8]] > cb) - if( p[pixel[9]] > cb) - if( p[pixel[10]] > cb) - if( p[pixel[11]] > cb) - if( p[pixel[12]] > cb) - if( p[pixel[13]] > cb) - if( p[pixel[14]] > cb) - goto is_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else if( p[pixel[7]] < c_b) - if( p[pixel[4]] < c_b) - if( p[pixel[5]] < c_b) - if( p[pixel[6]] < c_b) - if( p[pixel[8]] < c_b) - if( p[pixel[9]] < c_b) - if( p[pixel[10]] < c_b) - if( p[pixel[11]] < c_b) - if( p[pixel[12]] < c_b) - if( p[pixel[13]] < c_b) - if( p[pixel[14]] < c_b) - goto is_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - if( p[pixel[4]] < c_b) - if( p[pixel[5]] < c_b) - if( p[pixel[6]] < c_b) - if( p[pixel[7]] < c_b) - if( p[pixel[8]] < c_b) - if( p[pixel[9]] < c_b) - if( p[pixel[10]] < c_b) - if( p[pixel[11]] < c_b) - if( p[pixel[12]] < c_b) - if( p[pixel[13]] < c_b) - if( p[pixel[14]] < c_b) - goto is_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - if( p[pixel[7]] > cb) - if( p[pixel[8]] > cb) - if( p[pixel[9]] > cb) - if( p[pixel[10]] > cb) - if( p[pixel[11]] > cb) - if( p[pixel[12]] > cb) - if( p[pixel[13]] > cb) - if( p[pixel[14]] > cb) - if( p[pixel[15]] > cb) - goto is_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else if( p[pixel[7]] < c_b) - if( p[pixel[4]] < c_b) - if( p[pixel[5]] < c_b) - if( p[pixel[6]] < c_b) - if( p[pixel[8]] < c_b) - if( p[pixel[9]] < c_b) - if( p[pixel[10]] < c_b) - if( p[pixel[11]] < c_b) - if( p[pixel[12]] < c_b) - if( p[pixel[13]] < c_b) - if( p[pixel[14]] < c_b) - if( p[pixel[15]] < c_b) - goto is_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else if( p[pixel[2]] < c_b) - if( p[pixel[6]] > cb) - if( p[pixel[7]] > cb) - if( p[pixel[8]] > cb) - if( p[pixel[9]] > cb) - if( p[pixel[10]] > cb) - if( p[pixel[11]] > cb) - if( p[pixel[12]] > cb) - if( p[pixel[13]] > cb) - if( p[pixel[14]] > cb) - if( p[pixel[15]] > cb) - goto is_a_corner; - else - if( p[pixel[3]] > cb) - if( p[pixel[4]] > cb) - if( p[pixel[5]] > cb) - goto is_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else if( p[pixel[6]] < c_b) - if( p[pixel[4]] < c_b) - if( p[pixel[5]] < c_b) - if( p[pixel[7]] < c_b) - if( p[pixel[8]] < c_b) - if( p[pixel[9]] < c_b) - if( p[pixel[10]] < c_b) - if( p[pixel[11]] < c_b) - if( p[pixel[12]] < c_b) - if( p[pixel[13]] < c_b) - if( p[pixel[3]] < c_b) - goto is_a_corner; - else - if( p[pixel[14]] < c_b) - if( p[pixel[15]] < c_b) - goto is_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - if( p[pixel[6]] > cb) - if( p[pixel[7]] > cb) - if( p[pixel[8]] > cb) - if( p[pixel[9]] > cb) - if( p[pixel[10]] > cb) - if( p[pixel[11]] > cb) - if( p[pixel[12]] > cb) - if( p[pixel[13]] > cb) - if( p[pixel[14]] > cb) - if( p[pixel[15]] > cb) - goto is_a_corner; - else - if( p[pixel[3]] > cb) - if( p[pixel[4]] > cb) - if( p[pixel[5]] > cb) - goto is_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else if( p[pixel[6]] < c_b) - if( p[pixel[4]] < c_b) - if( p[pixel[5]] < c_b) - if( p[pixel[7]] < c_b) - if( p[pixel[8]] < c_b) - if( p[pixel[9]] < c_b) - if( p[pixel[10]] < c_b) - if( p[pixel[11]] < c_b) - if( p[pixel[12]] < c_b) - if( p[pixel[13]] < c_b) - if( p[pixel[14]] < c_b) - if( p[pixel[3]] < c_b) - goto is_a_corner; - else - if( p[pixel[15]] < c_b) - goto is_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else if( p[pixel[1]] < c_b) - if( p[pixel[5]] > cb) - if( p[pixel[6]] > cb) - if( p[pixel[7]] > cb) - if( p[pixel[8]] > cb) - if( p[pixel[9]] > cb) - if( p[pixel[10]] > cb) - if( p[pixel[11]] > cb) - if( p[pixel[12]] > cb) - if( p[pixel[13]] > cb) - if( p[pixel[14]] > cb) - if( p[pixel[15]] > cb) - goto is_a_corner; - else - if( p[pixel[3]] > cb) - if( p[pixel[4]] > cb) - goto is_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - if( p[pixel[2]] > cb) - if( p[pixel[3]] > cb) - if( p[pixel[4]] > cb) - goto is_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else if( p[pixel[5]] < c_b) - if( p[pixel[4]] < c_b) - if( p[pixel[6]] < c_b) - if( p[pixel[7]] < c_b) - if( p[pixel[8]] < c_b) - if( p[pixel[9]] < c_b) - if( p[pixel[10]] < c_b) - if( p[pixel[11]] < c_b) - if( p[pixel[12]] < c_b) - if( p[pixel[3]] < c_b) - if( p[pixel[2]] < c_b) - goto is_a_corner; - else - if( p[pixel[13]] < c_b) - if( p[pixel[14]] < c_b) - goto is_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - if( p[pixel[13]] < c_b) - if( p[pixel[14]] < c_b) - if( p[pixel[15]] < c_b) - goto is_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - if( p[pixel[5]] > cb) - if( p[pixel[6]] > cb) - if( p[pixel[7]] > cb) - if( p[pixel[8]] > cb) - if( p[pixel[9]] > cb) - if( p[pixel[10]] > cb) - if( p[pixel[11]] > cb) - if( p[pixel[12]] > cb) - if( p[pixel[13]] > cb) - if( p[pixel[14]] > cb) - if( p[pixel[15]] > cb) - goto is_a_corner; - else - if( p[pixel[3]] > cb) - if( p[pixel[4]] > cb) - goto is_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - if( p[pixel[2]] > cb) - if( p[pixel[3]] > cb) - if( p[pixel[4]] > cb) - goto is_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else if( p[pixel[5]] < c_b) - if( p[pixel[4]] < c_b) - if( p[pixel[6]] < c_b) - if( p[pixel[7]] < c_b) - if( p[pixel[8]] < c_b) - if( p[pixel[9]] < c_b) - if( p[pixel[10]] < c_b) - if( p[pixel[11]] < c_b) - if( p[pixel[12]] < c_b) - if( p[pixel[13]] < c_b) - if( p[pixel[3]] < c_b) - if( p[pixel[2]] < c_b) - goto is_a_corner; - else - if( p[pixel[14]] < c_b) - goto is_a_corner; - else - goto is_not_a_corner; - else - if( p[pixel[14]] < c_b) - if( p[pixel[15]] < c_b) - goto is_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else if( p[pixel[0]] < c_b) - if( p[pixel[1]] > cb) - if( p[pixel[5]] > cb) - if( p[pixel[4]] > cb) - if( p[pixel[6]] > cb) - if( p[pixel[7]] > cb) - if( p[pixel[8]] > cb) - if( p[pixel[9]] > cb) - if( p[pixel[10]] > cb) - if( p[pixel[11]] > cb) - if( p[pixel[12]] > cb) - if( p[pixel[3]] > cb) - if( p[pixel[2]] > cb) - goto is_a_corner; - else - if( p[pixel[13]] > cb) - if( p[pixel[14]] > cb) - goto is_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - if( p[pixel[13]] > cb) - if( p[pixel[14]] > cb) - if( p[pixel[15]] > cb) - goto is_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else if( p[pixel[5]] < c_b) - if( p[pixel[6]] < c_b) - if( p[pixel[7]] < c_b) - if( p[pixel[8]] < c_b) - if( p[pixel[9]] < c_b) - if( p[pixel[10]] < c_b) - if( p[pixel[11]] < c_b) - if( p[pixel[12]] < c_b) - if( p[pixel[13]] < c_b) - if( p[pixel[14]] < c_b) - if( p[pixel[15]] < c_b) - goto is_a_corner; - else - if( p[pixel[3]] < c_b) - if( p[pixel[4]] < c_b) - goto is_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - if( p[pixel[2]] < c_b) - if( p[pixel[3]] < c_b) - if( p[pixel[4]] < c_b) - goto is_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else if( p[pixel[1]] < c_b) - if( p[pixel[2]] > cb) - if( p[pixel[6]] > cb) - if( p[pixel[4]] > cb) - if( p[pixel[5]] > cb) - if( p[pixel[7]] > cb) - if( p[pixel[8]] > cb) - if( p[pixel[9]] > cb) - if( p[pixel[10]] > cb) - if( p[pixel[11]] > cb) - if( p[pixel[12]] > cb) - if( p[pixel[13]] > cb) - if( p[pixel[3]] > cb) - goto is_a_corner; - else - if( p[pixel[14]] > cb) - if( p[pixel[15]] > cb) - goto is_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else if( p[pixel[6]] < c_b) - if( p[pixel[7]] < c_b) - if( p[pixel[8]] < c_b) - if( p[pixel[9]] < c_b) - if( p[pixel[10]] < c_b) - if( p[pixel[11]] < c_b) - if( p[pixel[12]] < c_b) - if( p[pixel[13]] < c_b) - if( p[pixel[14]] < c_b) - if( p[pixel[15]] < c_b) - goto is_a_corner; - else - if( p[pixel[3]] < c_b) - if( p[pixel[4]] < c_b) - if( p[pixel[5]] < c_b) - goto is_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else if( p[pixel[2]] < c_b) - if( p[pixel[3]] > cb) - if( p[pixel[15]] < c_b) - if( p[pixel[7]] > cb) - if( p[pixel[4]] > cb) - if( p[pixel[5]] > cb) - if( p[pixel[6]] > cb) - if( p[pixel[8]] > cb) - if( p[pixel[9]] > cb) - if( p[pixel[10]] > cb) - if( p[pixel[11]] > cb) - if( p[pixel[12]] > cb) - if( p[pixel[13]] > cb) - if( p[pixel[14]] > cb) - goto is_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else if( p[pixel[7]] < c_b) - if( p[pixel[8]] < c_b) - if( p[pixel[9]] < c_b) - if( p[pixel[10]] < c_b) - if( p[pixel[11]] < c_b) - if( p[pixel[12]] < c_b) - if( p[pixel[13]] < c_b) - if( p[pixel[14]] < c_b) - goto is_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - if( p[pixel[4]] > cb) - if( p[pixel[5]] > cb) - if( p[pixel[6]] > cb) - if( p[pixel[7]] > cb) - if( p[pixel[8]] > cb) - if( p[pixel[9]] > cb) - if( p[pixel[10]] > cb) - if( p[pixel[11]] > cb) - if( p[pixel[12]] > cb) - if( p[pixel[13]] > cb) - if( p[pixel[14]] > cb) - goto is_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else if( p[pixel[3]] < c_b) - if( p[pixel[4]] > cb) - if( p[pixel[8]] > cb) - if( p[pixel[5]] > cb) - if( p[pixel[6]] > cb) - if( p[pixel[7]] > cb) - if( p[pixel[9]] > cb) - if( p[pixel[10]] > cb) - if( p[pixel[11]] > cb) - if( p[pixel[12]] > cb) - if( p[pixel[13]] > cb) - if( p[pixel[14]] > cb) - if( p[pixel[15]] > cb) - goto is_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else if( p[pixel[8]] < c_b) - if( p[pixel[9]] < c_b) - if( p[pixel[10]] < c_b) - if( p[pixel[11]] < c_b) - if( p[pixel[12]] < c_b) - if( p[pixel[13]] < c_b) - if( p[pixel[14]] < c_b) - if( p[pixel[15]] < c_b) - goto is_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else if( p[pixel[4]] < c_b) - if( p[pixel[5]] < c_b) - if( p[pixel[6]] < c_b) - if( p[pixel[7]] < c_b) - if( p[pixel[8]] < c_b) - if( p[pixel[9]] < c_b) - if( p[pixel[10]] < c_b) - if( p[pixel[11]] < c_b) - goto is_a_corner; - else - if( p[pixel[15]] < c_b) - goto is_a_corner; - else - goto is_not_a_corner; - else - if( p[pixel[14]] < c_b) - if( p[pixel[15]] < c_b) - goto is_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - if( p[pixel[13]] < c_b) - if( p[pixel[14]] < c_b) - if( p[pixel[15]] < c_b) - goto is_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - if( p[pixel[12]] < c_b) - if( p[pixel[13]] < c_b) - if( p[pixel[14]] < c_b) - if( p[pixel[15]] < c_b) - goto is_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - if( p[pixel[11]] < c_b) - if( p[pixel[12]] < c_b) - if( p[pixel[13]] < c_b) - if( p[pixel[14]] < c_b) - if( p[pixel[15]] < c_b) - goto is_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - if( p[pixel[10]] < c_b) - if( p[pixel[11]] < c_b) - if( p[pixel[12]] < c_b) - if( p[pixel[13]] < c_b) - if( p[pixel[14]] < c_b) - if( p[pixel[15]] < c_b) - goto is_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - if( p[pixel[9]] < c_b) - if( p[pixel[10]] < c_b) - if( p[pixel[11]] < c_b) - if( p[pixel[12]] < c_b) - if( p[pixel[13]] < c_b) - if( p[pixel[14]] < c_b) - if( p[pixel[15]] < c_b) - goto is_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - if( p[pixel[8]] < c_b) - if( p[pixel[9]] < c_b) - if( p[pixel[10]] < c_b) - if( p[pixel[11]] < c_b) - if( p[pixel[12]] < c_b) - if( p[pixel[13]] < c_b) - if( p[pixel[14]] < c_b) - if( p[pixel[15]] < c_b) - goto is_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - if( p[pixel[7]] > cb) - if( p[pixel[4]] > cb) - if( p[pixel[5]] > cb) - if( p[pixel[6]] > cb) - if( p[pixel[8]] > cb) - if( p[pixel[9]] > cb) - if( p[pixel[10]] > cb) - if( p[pixel[11]] > cb) - if( p[pixel[12]] > cb) - if( p[pixel[13]] > cb) - if( p[pixel[14]] > cb) - if( p[pixel[15]] > cb) - goto is_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else if( p[pixel[7]] < c_b) - if( p[pixel[8]] < c_b) - if( p[pixel[9]] < c_b) - if( p[pixel[10]] < c_b) - if( p[pixel[11]] < c_b) - if( p[pixel[12]] < c_b) - if( p[pixel[13]] < c_b) - if( p[pixel[14]] < c_b) - if( p[pixel[15]] < c_b) - goto is_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - if( p[pixel[6]] > cb) - if( p[pixel[4]] > cb) - if( p[pixel[5]] > cb) - if( p[pixel[7]] > cb) - if( p[pixel[8]] > cb) - if( p[pixel[9]] > cb) - if( p[pixel[10]] > cb) - if( p[pixel[11]] > cb) - if( p[pixel[12]] > cb) - if( p[pixel[13]] > cb) - if( p[pixel[14]] > cb) - if( p[pixel[3]] > cb) - goto is_a_corner; - else - if( p[pixel[15]] > cb) - goto is_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else if( p[pixel[6]] < c_b) - if( p[pixel[7]] < c_b) - if( p[pixel[8]] < c_b) - if( p[pixel[9]] < c_b) - if( p[pixel[10]] < c_b) - if( p[pixel[11]] < c_b) - if( p[pixel[12]] < c_b) - if( p[pixel[13]] < c_b) - if( p[pixel[14]] < c_b) - if( p[pixel[15]] < c_b) - goto is_a_corner; - else - if( p[pixel[3]] < c_b) - if( p[pixel[4]] < c_b) - if( p[pixel[5]] < c_b) - goto is_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - if( p[pixel[5]] > cb) - if( p[pixel[4]] > cb) - if( p[pixel[6]] > cb) - if( p[pixel[7]] > cb) - if( p[pixel[8]] > cb) - if( p[pixel[9]] > cb) - if( p[pixel[10]] > cb) - if( p[pixel[11]] > cb) - if( p[pixel[12]] > cb) - if( p[pixel[13]] > cb) - if( p[pixel[3]] > cb) - if( p[pixel[2]] > cb) - goto is_a_corner; - else - if( p[pixel[14]] > cb) - goto is_a_corner; - else - goto is_not_a_corner; - else - if( p[pixel[14]] > cb) - if( p[pixel[15]] > cb) - goto is_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else if( p[pixel[5]] < c_b) - if( p[pixel[6]] < c_b) - if( p[pixel[7]] < c_b) - if( p[pixel[8]] < c_b) - if( p[pixel[9]] < c_b) - if( p[pixel[10]] < c_b) - if( p[pixel[11]] < c_b) - if( p[pixel[12]] < c_b) - if( p[pixel[13]] < c_b) - if( p[pixel[14]] < c_b) - if( p[pixel[15]] < c_b) - goto is_a_corner; - else - if( p[pixel[3]] < c_b) - if( p[pixel[4]] < c_b) - goto is_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - if( p[pixel[2]] < c_b) - if( p[pixel[3]] < c_b) - if( p[pixel[4]] < c_b) - goto is_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - if( p[pixel[4]] > cb) - if( p[pixel[5]] > cb) - if( p[pixel[6]] > cb) - if( p[pixel[7]] > cb) - if( p[pixel[8]] > cb) - if( p[pixel[9]] > cb) - if( p[pixel[10]] > cb) - if( p[pixel[11]] > cb) - if( p[pixel[12]] > cb) - if( p[pixel[3]] > cb) - if( p[pixel[2]] > cb) - if( p[pixel[1]] > cb) - goto is_a_corner; - else - if( p[pixel[13]] > cb) - goto is_a_corner; - else - goto is_not_a_corner; - else - if( p[pixel[13]] > cb) - if( p[pixel[14]] > cb) - goto is_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - if( p[pixel[13]] > cb) - if( p[pixel[14]] > cb) - if( p[pixel[15]] > cb) - goto is_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else if( p[pixel[4]] < c_b) - if( p[pixel[5]] < c_b) - if( p[pixel[6]] < c_b) - if( p[pixel[7]] < c_b) - if( p[pixel[8]] < c_b) - if( p[pixel[9]] < c_b) - if( p[pixel[10]] < c_b) - if( p[pixel[11]] < c_b) - if( p[pixel[12]] < c_b) - if( p[pixel[3]] < c_b) - if( p[pixel[2]] < c_b) - if( p[pixel[1]] < c_b) - goto is_a_corner; - else - if( p[pixel[13]] < c_b) - goto is_a_corner; - else - goto is_not_a_corner; - else - if( p[pixel[13]] < c_b) - if( p[pixel[14]] < c_b) - goto is_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - if( p[pixel[13]] < c_b) - if( p[pixel[14]] < c_b) - if( p[pixel[15]] < c_b) - goto is_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - - is_a_corner: - bmin=b; - goto end_if; - - is_not_a_corner: - bmax=b; - goto end_if; - - end_if: - - if(bmin == bmax - 1 || bmin == bmax) - return bmin; - b = (bmin + bmax) / 2; - } -} - -static void make_offsets(int pixel[], int row_stride) -{ - pixel[0] = 0 + row_stride * 3; - pixel[1] = 1 + row_stride * 3; - pixel[2] = 2 + row_stride * 2; - pixel[3] = 3 + row_stride * 1; - pixel[4] = 3 + row_stride * 0; - pixel[5] = 3 + row_stride * -1; - pixel[6] = 2 + row_stride * -2; - pixel[7] = 1 + row_stride * -3; - pixel[8] = 0 + row_stride * -3; - pixel[9] = -1 + row_stride * -3; - pixel[10] = -2 + row_stride * -2; - pixel[11] = -3 + row_stride * -1; - pixel[12] = -3 + row_stride * 0; - pixel[13] = -3 + row_stride * 1; - pixel[14] = -2 + row_stride * 2; - pixel[15] = -1 + row_stride * 3; -} - - - -int* fast12_score(const byte* i, int stride, xy* corners, int num_corners, int b) -{ - int* scores = (int*)malloc(sizeof(int)* num_corners); - int n; - - int pixel[16]; - make_offsets(pixel, stride); - - for(n=0; n < num_corners; n++) - scores[n] = fast12_corner_score(i + corners[n].y*stride + corners[n].x, pixel, b); - - return scores; -} - - -xy* fast12_detect(const byte* im, int xsize, int ysize, int stride, int b, int* ret_num_corners) -{ - int num_corners=0; - xy* ret_corners; - int rsize=512; - int pixel[16]; - int x, y; - - ret_corners = (xy*)malloc(sizeof(xy)*rsize); - make_offsets(pixel, stride); - - for(y=3; y < ysize - 3; y++) - for(x=3; x < xsize - 3; x++) - { - const byte* p = im + y*stride + x; - - int cb = *p + b; - int c_b= *p - b; - if(p[pixel[0]] > cb) - if(p[pixel[1]] > cb) - if(p[pixel[2]] > cb) - if(p[pixel[3]] > cb) - if(p[pixel[4]] > cb) - if(p[pixel[5]] > cb) - if(p[pixel[6]] > cb) - if(p[pixel[7]] > cb) - if(p[pixel[8]] > cb) - if(p[pixel[9]] > cb) - if(p[pixel[10]] > cb) - if(p[pixel[11]] > cb) - {} - else - if(p[pixel[15]] > cb) - {} - else - continue; - else - if(p[pixel[14]] > cb) - if(p[pixel[15]] > cb) - {} - else - continue; - else - continue; - else - if(p[pixel[13]] > cb) - if(p[pixel[14]] > cb) - if(p[pixel[15]] > cb) - {} - else - continue; - else - continue; - else - continue; - else - if(p[pixel[12]] > cb) - if(p[pixel[13]] > cb) - if(p[pixel[14]] > cb) - if(p[pixel[15]] > cb) - {} - else - continue; - else - continue; - else - continue; - else - continue; - else - if(p[pixel[11]] > cb) - if(p[pixel[12]] > cb) - if(p[pixel[13]] > cb) - if(p[pixel[14]] > cb) - if(p[pixel[15]] > cb) - {} - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else - if(p[pixel[10]] > cb) - if(p[pixel[11]] > cb) - if(p[pixel[12]] > cb) - if(p[pixel[13]] > cb) - if(p[pixel[14]] > cb) - if(p[pixel[15]] > cb) - {} - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else - if(p[pixel[9]] > cb) - if(p[pixel[10]] > cb) - if(p[pixel[11]] > cb) - if(p[pixel[12]] > cb) - if(p[pixel[13]] > cb) - if(p[pixel[14]] > cb) - if(p[pixel[15]] > cb) - {} - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else if(p[pixel[4]] < c_b) - if(p[pixel[8]] > cb) - if(p[pixel[9]] > cb) - if(p[pixel[10]] > cb) - if(p[pixel[11]] > cb) - if(p[pixel[12]] > cb) - if(p[pixel[13]] > cb) - if(p[pixel[14]] > cb) - if(p[pixel[15]] > cb) - {} - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else if(p[pixel[8]] < c_b) - if(p[pixel[5]] < c_b) - if(p[pixel[6]] < c_b) - if(p[pixel[7]] < c_b) - if(p[pixel[9]] < c_b) - if(p[pixel[10]] < c_b) - if(p[pixel[11]] < c_b) - if(p[pixel[12]] < c_b) - if(p[pixel[13]] < c_b) - if(p[pixel[14]] < c_b) - if(p[pixel[15]] < c_b) - {} - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else - if(p[pixel[8]] > cb) - if(p[pixel[9]] > cb) - if(p[pixel[10]] > cb) - if(p[pixel[11]] > cb) - if(p[pixel[12]] > cb) - if(p[pixel[13]] > cb) - if(p[pixel[14]] > cb) - if(p[pixel[15]] > cb) - {} - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else if(p[pixel[3]] < c_b) - if(p[pixel[15]] > cb) - if(p[pixel[7]] > cb) - if(p[pixel[8]] > cb) - if(p[pixel[9]] > cb) - if(p[pixel[10]] > cb) - if(p[pixel[11]] > cb) - if(p[pixel[12]] > cb) - if(p[pixel[13]] > cb) - if(p[pixel[14]] > cb) - {} - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else if(p[pixel[7]] < c_b) - if(p[pixel[4]] < c_b) - if(p[pixel[5]] < c_b) - if(p[pixel[6]] < c_b) - if(p[pixel[8]] < c_b) - if(p[pixel[9]] < c_b) - if(p[pixel[10]] < c_b) - if(p[pixel[11]] < c_b) - if(p[pixel[12]] < c_b) - if(p[pixel[13]] < c_b) - if(p[pixel[14]] < c_b) - {} - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else - if(p[pixel[4]] < c_b) - if(p[pixel[5]] < c_b) - if(p[pixel[6]] < c_b) - if(p[pixel[7]] < c_b) - if(p[pixel[8]] < c_b) - if(p[pixel[9]] < c_b) - if(p[pixel[10]] < c_b) - if(p[pixel[11]] < c_b) - if(p[pixel[12]] < c_b) - if(p[pixel[13]] < c_b) - if(p[pixel[14]] < c_b) - {} - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else - if(p[pixel[7]] > cb) - if(p[pixel[8]] > cb) - if(p[pixel[9]] > cb) - if(p[pixel[10]] > cb) - if(p[pixel[11]] > cb) - if(p[pixel[12]] > cb) - if(p[pixel[13]] > cb) - if(p[pixel[14]] > cb) - if(p[pixel[15]] > cb) - {} - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else if(p[pixel[7]] < c_b) - if(p[pixel[4]] < c_b) - if(p[pixel[5]] < c_b) - if(p[pixel[6]] < c_b) - if(p[pixel[8]] < c_b) - if(p[pixel[9]] < c_b) - if(p[pixel[10]] < c_b) - if(p[pixel[11]] < c_b) - if(p[pixel[12]] < c_b) - if(p[pixel[13]] < c_b) - if(p[pixel[14]] < c_b) - if(p[pixel[15]] < c_b) - {} - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else if(p[pixel[2]] < c_b) - if(p[pixel[6]] > cb) - if(p[pixel[7]] > cb) - if(p[pixel[8]] > cb) - if(p[pixel[9]] > cb) - if(p[pixel[10]] > cb) - if(p[pixel[11]] > cb) - if(p[pixel[12]] > cb) - if(p[pixel[13]] > cb) - if(p[pixel[14]] > cb) - if(p[pixel[15]] > cb) - {} - else - if(p[pixel[3]] > cb) - if(p[pixel[4]] > cb) - if(p[pixel[5]] > cb) - {} - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else if(p[pixel[6]] < c_b) - if(p[pixel[4]] < c_b) - if(p[pixel[5]] < c_b) - if(p[pixel[7]] < c_b) - if(p[pixel[8]] < c_b) - if(p[pixel[9]] < c_b) - if(p[pixel[10]] < c_b) - if(p[pixel[11]] < c_b) - if(p[pixel[12]] < c_b) - if(p[pixel[13]] < c_b) - if(p[pixel[3]] < c_b) - {} - else - if(p[pixel[14]] < c_b) - if(p[pixel[15]] < c_b) - {} - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else - if(p[pixel[6]] > cb) - if(p[pixel[7]] > cb) - if(p[pixel[8]] > cb) - if(p[pixel[9]] > cb) - if(p[pixel[10]] > cb) - if(p[pixel[11]] > cb) - if(p[pixel[12]] > cb) - if(p[pixel[13]] > cb) - if(p[pixel[14]] > cb) - if(p[pixel[15]] > cb) - {} - else - if(p[pixel[3]] > cb) - if(p[pixel[4]] > cb) - if(p[pixel[5]] > cb) - {} - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else if(p[pixel[6]] < c_b) - if(p[pixel[4]] < c_b) - if(p[pixel[5]] < c_b) - if(p[pixel[7]] < c_b) - if(p[pixel[8]] < c_b) - if(p[pixel[9]] < c_b) - if(p[pixel[10]] < c_b) - if(p[pixel[11]] < c_b) - if(p[pixel[12]] < c_b) - if(p[pixel[13]] < c_b) - if(p[pixel[14]] < c_b) - if(p[pixel[3]] < c_b) - {} - else - if(p[pixel[15]] < c_b) - {} - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else if(p[pixel[1]] < c_b) - if(p[pixel[5]] > cb) - if(p[pixel[6]] > cb) - if(p[pixel[7]] > cb) - if(p[pixel[8]] > cb) - if(p[pixel[9]] > cb) - if(p[pixel[10]] > cb) - if(p[pixel[11]] > cb) - if(p[pixel[12]] > cb) - if(p[pixel[13]] > cb) - if(p[pixel[14]] > cb) - if(p[pixel[15]] > cb) - {} - else - if(p[pixel[3]] > cb) - if(p[pixel[4]] > cb) - {} - else - continue; - else - continue; - else - if(p[pixel[2]] > cb) - if(p[pixel[3]] > cb) - if(p[pixel[4]] > cb) - {} - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else if(p[pixel[5]] < c_b) - if(p[pixel[4]] < c_b) - if(p[pixel[6]] < c_b) - if(p[pixel[7]] < c_b) - if(p[pixel[8]] < c_b) - if(p[pixel[9]] < c_b) - if(p[pixel[10]] < c_b) - if(p[pixel[11]] < c_b) - if(p[pixel[12]] < c_b) - if(p[pixel[3]] < c_b) - if(p[pixel[2]] < c_b) - {} - else - if(p[pixel[13]] < c_b) - if(p[pixel[14]] < c_b) - {} - else - continue; - else - continue; - else - if(p[pixel[13]] < c_b) - if(p[pixel[14]] < c_b) - if(p[pixel[15]] < c_b) - {} - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else - if(p[pixel[5]] > cb) - if(p[pixel[6]] > cb) - if(p[pixel[7]] > cb) - if(p[pixel[8]] > cb) - if(p[pixel[9]] > cb) - if(p[pixel[10]] > cb) - if(p[pixel[11]] > cb) - if(p[pixel[12]] > cb) - if(p[pixel[13]] > cb) - if(p[pixel[14]] > cb) - if(p[pixel[15]] > cb) - {} - else - if(p[pixel[3]] > cb) - if(p[pixel[4]] > cb) - {} - else - continue; - else - continue; - else - if(p[pixel[2]] > cb) - if(p[pixel[3]] > cb) - if(p[pixel[4]] > cb) - {} - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else if(p[pixel[5]] < c_b) - if(p[pixel[4]] < c_b) - if(p[pixel[6]] < c_b) - if(p[pixel[7]] < c_b) - if(p[pixel[8]] < c_b) - if(p[pixel[9]] < c_b) - if(p[pixel[10]] < c_b) - if(p[pixel[11]] < c_b) - if(p[pixel[12]] < c_b) - if(p[pixel[13]] < c_b) - if(p[pixel[3]] < c_b) - if(p[pixel[2]] < c_b) - {} - else - if(p[pixel[14]] < c_b) - {} - else - continue; - else - if(p[pixel[14]] < c_b) - if(p[pixel[15]] < c_b) - {} - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else if(p[pixel[0]] < c_b) - if(p[pixel[1]] > cb) - if(p[pixel[5]] > cb) - if(p[pixel[4]] > cb) - if(p[pixel[6]] > cb) - if(p[pixel[7]] > cb) - if(p[pixel[8]] > cb) - if(p[pixel[9]] > cb) - if(p[pixel[10]] > cb) - if(p[pixel[11]] > cb) - if(p[pixel[12]] > cb) - if(p[pixel[3]] > cb) - if(p[pixel[2]] > cb) - {} - else - if(p[pixel[13]] > cb) - if(p[pixel[14]] > cb) - {} - else - continue; - else - continue; - else - if(p[pixel[13]] > cb) - if(p[pixel[14]] > cb) - if(p[pixel[15]] > cb) - {} - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else if(p[pixel[5]] < c_b) - if(p[pixel[6]] < c_b) - if(p[pixel[7]] < c_b) - if(p[pixel[8]] < c_b) - if(p[pixel[9]] < c_b) - if(p[pixel[10]] < c_b) - if(p[pixel[11]] < c_b) - if(p[pixel[12]] < c_b) - if(p[pixel[13]] < c_b) - if(p[pixel[14]] < c_b) - if(p[pixel[15]] < c_b) - {} - else - if(p[pixel[3]] < c_b) - if(p[pixel[4]] < c_b) - {} - else - continue; - else - continue; - else - if(p[pixel[2]] < c_b) - if(p[pixel[3]] < c_b) - if(p[pixel[4]] < c_b) - {} - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else if(p[pixel[1]] < c_b) - if(p[pixel[2]] > cb) - if(p[pixel[6]] > cb) - if(p[pixel[4]] > cb) - if(p[pixel[5]] > cb) - if(p[pixel[7]] > cb) - if(p[pixel[8]] > cb) - if(p[pixel[9]] > cb) - if(p[pixel[10]] > cb) - if(p[pixel[11]] > cb) - if(p[pixel[12]] > cb) - if(p[pixel[13]] > cb) - if(p[pixel[3]] > cb) - {} - else - if(p[pixel[14]] > cb) - if(p[pixel[15]] > cb) - {} - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else if(p[pixel[6]] < c_b) - if(p[pixel[7]] < c_b) - if(p[pixel[8]] < c_b) - if(p[pixel[9]] < c_b) - if(p[pixel[10]] < c_b) - if(p[pixel[11]] < c_b) - if(p[pixel[12]] < c_b) - if(p[pixel[13]] < c_b) - if(p[pixel[14]] < c_b) - if(p[pixel[15]] < c_b) - {} - else - if(p[pixel[3]] < c_b) - if(p[pixel[4]] < c_b) - if(p[pixel[5]] < c_b) - {} - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else if(p[pixel[2]] < c_b) - if(p[pixel[3]] > cb) - if(p[pixel[15]] < c_b) - if(p[pixel[7]] > cb) - if(p[pixel[4]] > cb) - if(p[pixel[5]] > cb) - if(p[pixel[6]] > cb) - if(p[pixel[8]] > cb) - if(p[pixel[9]] > cb) - if(p[pixel[10]] > cb) - if(p[pixel[11]] > cb) - if(p[pixel[12]] > cb) - if(p[pixel[13]] > cb) - if(p[pixel[14]] > cb) - {} - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else if(p[pixel[7]] < c_b) - if(p[pixel[8]] < c_b) - if(p[pixel[9]] < c_b) - if(p[pixel[10]] < c_b) - if(p[pixel[11]] < c_b) - if(p[pixel[12]] < c_b) - if(p[pixel[13]] < c_b) - if(p[pixel[14]] < c_b) - {} - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else - if(p[pixel[4]] > cb) - if(p[pixel[5]] > cb) - if(p[pixel[6]] > cb) - if(p[pixel[7]] > cb) - if(p[pixel[8]] > cb) - if(p[pixel[9]] > cb) - if(p[pixel[10]] > cb) - if(p[pixel[11]] > cb) - if(p[pixel[12]] > cb) - if(p[pixel[13]] > cb) - if(p[pixel[14]] > cb) - {} - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else if(p[pixel[3]] < c_b) - if(p[pixel[4]] > cb) - if(p[pixel[8]] > cb) - if(p[pixel[5]] > cb) - if(p[pixel[6]] > cb) - if(p[pixel[7]] > cb) - if(p[pixel[9]] > cb) - if(p[pixel[10]] > cb) - if(p[pixel[11]] > cb) - if(p[pixel[12]] > cb) - if(p[pixel[13]] > cb) - if(p[pixel[14]] > cb) - if(p[pixel[15]] > cb) - {} - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else if(p[pixel[8]] < c_b) - if(p[pixel[9]] < c_b) - if(p[pixel[10]] < c_b) - if(p[pixel[11]] < c_b) - if(p[pixel[12]] < c_b) - if(p[pixel[13]] < c_b) - if(p[pixel[14]] < c_b) - if(p[pixel[15]] < c_b) - {} - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else if(p[pixel[4]] < c_b) - if(p[pixel[5]] < c_b) - if(p[pixel[6]] < c_b) - if(p[pixel[7]] < c_b) - if(p[pixel[8]] < c_b) - if(p[pixel[9]] < c_b) - if(p[pixel[10]] < c_b) - if(p[pixel[11]] < c_b) - {} - else - if(p[pixel[15]] < c_b) - {} - else - continue; - else - if(p[pixel[14]] < c_b) - if(p[pixel[15]] < c_b) - {} - else - continue; - else - continue; - else - if(p[pixel[13]] < c_b) - if(p[pixel[14]] < c_b) - if(p[pixel[15]] < c_b) - {} - else - continue; - else - continue; - else - continue; - else - if(p[pixel[12]] < c_b) - if(p[pixel[13]] < c_b) - if(p[pixel[14]] < c_b) - if(p[pixel[15]] < c_b) - {} - else - continue; - else - continue; - else - continue; - else - continue; - else - if(p[pixel[11]] < c_b) - if(p[pixel[12]] < c_b) - if(p[pixel[13]] < c_b) - if(p[pixel[14]] < c_b) - if(p[pixel[15]] < c_b) - {} - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else - if(p[pixel[10]] < c_b) - if(p[pixel[11]] < c_b) - if(p[pixel[12]] < c_b) - if(p[pixel[13]] < c_b) - if(p[pixel[14]] < c_b) - if(p[pixel[15]] < c_b) - {} - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else - if(p[pixel[9]] < c_b) - if(p[pixel[10]] < c_b) - if(p[pixel[11]] < c_b) - if(p[pixel[12]] < c_b) - if(p[pixel[13]] < c_b) - if(p[pixel[14]] < c_b) - if(p[pixel[15]] < c_b) - {} - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else - if(p[pixel[8]] < c_b) - if(p[pixel[9]] < c_b) - if(p[pixel[10]] < c_b) - if(p[pixel[11]] < c_b) - if(p[pixel[12]] < c_b) - if(p[pixel[13]] < c_b) - if(p[pixel[14]] < c_b) - if(p[pixel[15]] < c_b) - {} - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else - if(p[pixel[7]] > cb) - if(p[pixel[4]] > cb) - if(p[pixel[5]] > cb) - if(p[pixel[6]] > cb) - if(p[pixel[8]] > cb) - if(p[pixel[9]] > cb) - if(p[pixel[10]] > cb) - if(p[pixel[11]] > cb) - if(p[pixel[12]] > cb) - if(p[pixel[13]] > cb) - if(p[pixel[14]] > cb) - if(p[pixel[15]] > cb) - {} - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else if(p[pixel[7]] < c_b) - if(p[pixel[8]] < c_b) - if(p[pixel[9]] < c_b) - if(p[pixel[10]] < c_b) - if(p[pixel[11]] < c_b) - if(p[pixel[12]] < c_b) - if(p[pixel[13]] < c_b) - if(p[pixel[14]] < c_b) - if(p[pixel[15]] < c_b) - {} - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else - if(p[pixel[6]] > cb) - if(p[pixel[4]] > cb) - if(p[pixel[5]] > cb) - if(p[pixel[7]] > cb) - if(p[pixel[8]] > cb) - if(p[pixel[9]] > cb) - if(p[pixel[10]] > cb) - if(p[pixel[11]] > cb) - if(p[pixel[12]] > cb) - if(p[pixel[13]] > cb) - if(p[pixel[14]] > cb) - if(p[pixel[3]] > cb) - {} - else - if(p[pixel[15]] > cb) - {} - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else if(p[pixel[6]] < c_b) - if(p[pixel[7]] < c_b) - if(p[pixel[8]] < c_b) - if(p[pixel[9]] < c_b) - if(p[pixel[10]] < c_b) - if(p[pixel[11]] < c_b) - if(p[pixel[12]] < c_b) - if(p[pixel[13]] < c_b) - if(p[pixel[14]] < c_b) - if(p[pixel[15]] < c_b) - {} - else - if(p[pixel[3]] < c_b) - if(p[pixel[4]] < c_b) - if(p[pixel[5]] < c_b) - {} - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else - if(p[pixel[5]] > cb) - if(p[pixel[4]] > cb) - if(p[pixel[6]] > cb) - if(p[pixel[7]] > cb) - if(p[pixel[8]] > cb) - if(p[pixel[9]] > cb) - if(p[pixel[10]] > cb) - if(p[pixel[11]] > cb) - if(p[pixel[12]] > cb) - if(p[pixel[13]] > cb) - if(p[pixel[3]] > cb) - if(p[pixel[2]] > cb) - {} - else - if(p[pixel[14]] > cb) - {} - else - continue; - else - if(p[pixel[14]] > cb) - if(p[pixel[15]] > cb) - {} - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else if(p[pixel[5]] < c_b) - if(p[pixel[6]] < c_b) - if(p[pixel[7]] < c_b) - if(p[pixel[8]] < c_b) - if(p[pixel[9]] < c_b) - if(p[pixel[10]] < c_b) - if(p[pixel[11]] < c_b) - if(p[pixel[12]] < c_b) - if(p[pixel[13]] < c_b) - if(p[pixel[14]] < c_b) - if(p[pixel[15]] < c_b) - {} - else - if(p[pixel[3]] < c_b) - if(p[pixel[4]] < c_b) - {} - else - continue; - else - continue; - else - if(p[pixel[2]] < c_b) - if(p[pixel[3]] < c_b) - if(p[pixel[4]] < c_b) - {} - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else - if(p[pixel[4]] > cb) - if(p[pixel[5]] > cb) - if(p[pixel[6]] > cb) - if(p[pixel[7]] > cb) - if(p[pixel[8]] > cb) - if(p[pixel[9]] > cb) - if(p[pixel[10]] > cb) - if(p[pixel[11]] > cb) - if(p[pixel[12]] > cb) - if(p[pixel[3]] > cb) - if(p[pixel[2]] > cb) - if(p[pixel[1]] > cb) - {} - else - if(p[pixel[13]] > cb) - {} - else - continue; - else - if(p[pixel[13]] > cb) - if(p[pixel[14]] > cb) - {} - else - continue; - else - continue; - else - if(p[pixel[13]] > cb) - if(p[pixel[14]] > cb) - if(p[pixel[15]] > cb) - {} - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else if(p[pixel[4]] < c_b) - if(p[pixel[5]] < c_b) - if(p[pixel[6]] < c_b) - if(p[pixel[7]] < c_b) - if(p[pixel[8]] < c_b) - if(p[pixel[9]] < c_b) - if(p[pixel[10]] < c_b) - if(p[pixel[11]] < c_b) - if(p[pixel[12]] < c_b) - if(p[pixel[3]] < c_b) - if(p[pixel[2]] < c_b) - if(p[pixel[1]] < c_b) - {} - else - if(p[pixel[13]] < c_b) - {} - else - continue; - else - if(p[pixel[13]] < c_b) - if(p[pixel[14]] < c_b) - {} - else - continue; - else - continue; - else - if(p[pixel[13]] < c_b) - if(p[pixel[14]] < c_b) - if(p[pixel[15]] < c_b) - {} - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - if(num_corners == rsize) - { - rsize*=2; - ret_corners = (xy*)realloc(ret_corners, sizeof(xy)*rsize); - } - - ret_corners[num_corners].x = x; - ret_corners[num_corners].y = y; - num_corners++; - } - - *ret_num_corners = num_corners; - return ret_corners; - -} - - diff --git a/extern/libmv/third_party/fast/fast_9.c b/extern/libmv/third_party/fast/fast_9.c deleted file mode 100644 index c22c1c0e6a0..00000000000 --- a/extern/libmv/third_party/fast/fast_9.c +++ /dev/null @@ -1,5909 +0,0 @@ -/*This is mechanically generated code*/ -#include <stdlib.h> - -#include "fast.h" - -int fast9_corner_score(const byte* p, const int pixel[], int bstart) -{ - int bmin = bstart; - int bmax = 255; - int b = (bmax + bmin)/2; - - /*Compute the score using binary search*/ - for(;;) - { - int cb = *p + b; - int c_b= *p - b; - - - if( p[pixel[0]] > cb) - if( p[pixel[1]] > cb) - if( p[pixel[2]] > cb) - if( p[pixel[3]] > cb) - if( p[pixel[4]] > cb) - if( p[pixel[5]] > cb) - if( p[pixel[6]] > cb) - if( p[pixel[7]] > cb) - if( p[pixel[8]] > cb) - goto is_a_corner; - else - if( p[pixel[15]] > cb) - goto is_a_corner; - else - goto is_not_a_corner; - else if( p[pixel[7]] < c_b) - if( p[pixel[14]] > cb) - if( p[pixel[15]] > cb) - goto is_a_corner; - else - goto is_not_a_corner; - else if( p[pixel[14]] < c_b) - if( p[pixel[8]] < c_b) - if( p[pixel[9]] < c_b) - if( p[pixel[10]] < c_b) - if( p[pixel[11]] < c_b) - if( p[pixel[12]] < c_b) - if( p[pixel[13]] < c_b) - if( p[pixel[15]] < c_b) - goto is_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - if( p[pixel[14]] > cb) - if( p[pixel[15]] > cb) - goto is_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else if( p[pixel[6]] < c_b) - if( p[pixel[15]] > cb) - if( p[pixel[13]] > cb) - if( p[pixel[14]] > cb) - goto is_a_corner; - else - goto is_not_a_corner; - else if( p[pixel[13]] < c_b) - if( p[pixel[7]] < c_b) - if( p[pixel[8]] < c_b) - if( p[pixel[9]] < c_b) - if( p[pixel[10]] < c_b) - if( p[pixel[11]] < c_b) - if( p[pixel[12]] < c_b) - if( p[pixel[14]] < c_b) - goto is_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - if( p[pixel[7]] < c_b) - if( p[pixel[8]] < c_b) - if( p[pixel[9]] < c_b) - if( p[pixel[10]] < c_b) - if( p[pixel[11]] < c_b) - if( p[pixel[12]] < c_b) - if( p[pixel[13]] < c_b) - if( p[pixel[14]] < c_b) - goto is_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - if( p[pixel[13]] > cb) - if( p[pixel[14]] > cb) - if( p[pixel[15]] > cb) - goto is_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else if( p[pixel[13]] < c_b) - if( p[pixel[7]] < c_b) - if( p[pixel[8]] < c_b) - if( p[pixel[9]] < c_b) - if( p[pixel[10]] < c_b) - if( p[pixel[11]] < c_b) - if( p[pixel[12]] < c_b) - if( p[pixel[14]] < c_b) - if( p[pixel[15]] < c_b) - goto is_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else if( p[pixel[5]] < c_b) - if( p[pixel[14]] > cb) - if( p[pixel[12]] > cb) - if( p[pixel[13]] > cb) - if( p[pixel[15]] > cb) - goto is_a_corner; - else - if( p[pixel[6]] > cb) - if( p[pixel[7]] > cb) - if( p[pixel[8]] > cb) - if( p[pixel[9]] > cb) - if( p[pixel[10]] > cb) - if( p[pixel[11]] > cb) - goto is_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else if( p[pixel[12]] < c_b) - if( p[pixel[6]] < c_b) - if( p[pixel[7]] < c_b) - if( p[pixel[8]] < c_b) - if( p[pixel[9]] < c_b) - if( p[pixel[10]] < c_b) - if( p[pixel[11]] < c_b) - if( p[pixel[13]] < c_b) - goto is_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else if( p[pixel[14]] < c_b) - if( p[pixel[7]] < c_b) - if( p[pixel[8]] < c_b) - if( p[pixel[9]] < c_b) - if( p[pixel[10]] < c_b) - if( p[pixel[11]] < c_b) - if( p[pixel[12]] < c_b) - if( p[pixel[13]] < c_b) - if( p[pixel[6]] < c_b) - goto is_a_corner; - else - if( p[pixel[15]] < c_b) - goto is_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - if( p[pixel[6]] < c_b) - if( p[pixel[7]] < c_b) - if( p[pixel[8]] < c_b) - if( p[pixel[9]] < c_b) - if( p[pixel[10]] < c_b) - if( p[pixel[11]] < c_b) - if( p[pixel[12]] < c_b) - if( p[pixel[13]] < c_b) - goto is_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - if( p[pixel[12]] > cb) - if( p[pixel[13]] > cb) - if( p[pixel[14]] > cb) - if( p[pixel[15]] > cb) - goto is_a_corner; - else - if( p[pixel[6]] > cb) - if( p[pixel[7]] > cb) - if( p[pixel[8]] > cb) - if( p[pixel[9]] > cb) - if( p[pixel[10]] > cb) - if( p[pixel[11]] > cb) - goto is_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else if( p[pixel[12]] < c_b) - if( p[pixel[7]] < c_b) - if( p[pixel[8]] < c_b) - if( p[pixel[9]] < c_b) - if( p[pixel[10]] < c_b) - if( p[pixel[11]] < c_b) - if( p[pixel[13]] < c_b) - if( p[pixel[14]] < c_b) - if( p[pixel[6]] < c_b) - goto is_a_corner; - else - if( p[pixel[15]] < c_b) - goto is_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else if( p[pixel[4]] < c_b) - if( p[pixel[13]] > cb) - if( p[pixel[11]] > cb) - if( p[pixel[12]] > cb) - if( p[pixel[14]] > cb) - if( p[pixel[15]] > cb) - goto is_a_corner; - else - if( p[pixel[6]] > cb) - if( p[pixel[7]] > cb) - if( p[pixel[8]] > cb) - if( p[pixel[9]] > cb) - if( p[pixel[10]] > cb) - goto is_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - if( p[pixel[5]] > cb) - if( p[pixel[6]] > cb) - if( p[pixel[7]] > cb) - if( p[pixel[8]] > cb) - if( p[pixel[9]] > cb) - if( p[pixel[10]] > cb) - goto is_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else if( p[pixel[11]] < c_b) - if( p[pixel[5]] < c_b) - if( p[pixel[6]] < c_b) - if( p[pixel[7]] < c_b) - if( p[pixel[8]] < c_b) - if( p[pixel[9]] < c_b) - if( p[pixel[10]] < c_b) - if( p[pixel[12]] < c_b) - goto is_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else if( p[pixel[13]] < c_b) - if( p[pixel[7]] < c_b) - if( p[pixel[8]] < c_b) - if( p[pixel[9]] < c_b) - if( p[pixel[10]] < c_b) - if( p[pixel[11]] < c_b) - if( p[pixel[12]] < c_b) - if( p[pixel[6]] < c_b) - if( p[pixel[5]] < c_b) - goto is_a_corner; - else - if( p[pixel[14]] < c_b) - goto is_a_corner; - else - goto is_not_a_corner; - else - if( p[pixel[14]] < c_b) - if( p[pixel[15]] < c_b) - goto is_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - if( p[pixel[5]] < c_b) - if( p[pixel[6]] < c_b) - if( p[pixel[7]] < c_b) - if( p[pixel[8]] < c_b) - if( p[pixel[9]] < c_b) - if( p[pixel[10]] < c_b) - if( p[pixel[11]] < c_b) - if( p[pixel[12]] < c_b) - goto is_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - if( p[pixel[11]] > cb) - if( p[pixel[12]] > cb) - if( p[pixel[13]] > cb) - if( p[pixel[14]] > cb) - if( p[pixel[15]] > cb) - goto is_a_corner; - else - if( p[pixel[6]] > cb) - if( p[pixel[7]] > cb) - if( p[pixel[8]] > cb) - if( p[pixel[9]] > cb) - if( p[pixel[10]] > cb) - goto is_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - if( p[pixel[5]] > cb) - if( p[pixel[6]] > cb) - if( p[pixel[7]] > cb) - if( p[pixel[8]] > cb) - if( p[pixel[9]] > cb) - if( p[pixel[10]] > cb) - goto is_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else if( p[pixel[11]] < c_b) - if( p[pixel[7]] < c_b) - if( p[pixel[8]] < c_b) - if( p[pixel[9]] < c_b) - if( p[pixel[10]] < c_b) - if( p[pixel[12]] < c_b) - if( p[pixel[13]] < c_b) - if( p[pixel[6]] < c_b) - if( p[pixel[5]] < c_b) - goto is_a_corner; - else - if( p[pixel[14]] < c_b) - goto is_a_corner; - else - goto is_not_a_corner; - else - if( p[pixel[14]] < c_b) - if( p[pixel[15]] < c_b) - goto is_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else if( p[pixel[3]] < c_b) - if( p[pixel[10]] > cb) - if( p[pixel[11]] > cb) - if( p[pixel[12]] > cb) - if( p[pixel[13]] > cb) - if( p[pixel[14]] > cb) - if( p[pixel[15]] > cb) - goto is_a_corner; - else - if( p[pixel[6]] > cb) - if( p[pixel[7]] > cb) - if( p[pixel[8]] > cb) - if( p[pixel[9]] > cb) - goto is_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - if( p[pixel[5]] > cb) - if( p[pixel[6]] > cb) - if( p[pixel[7]] > cb) - if( p[pixel[8]] > cb) - if( p[pixel[9]] > cb) - goto is_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - if( p[pixel[4]] > cb) - if( p[pixel[5]] > cb) - if( p[pixel[6]] > cb) - if( p[pixel[7]] > cb) - if( p[pixel[8]] > cb) - if( p[pixel[9]] > cb) - goto is_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else if( p[pixel[10]] < c_b) - if( p[pixel[7]] < c_b) - if( p[pixel[8]] < c_b) - if( p[pixel[9]] < c_b) - if( p[pixel[11]] < c_b) - if( p[pixel[6]] < c_b) - if( p[pixel[5]] < c_b) - if( p[pixel[4]] < c_b) - goto is_a_corner; - else - if( p[pixel[12]] < c_b) - if( p[pixel[13]] < c_b) - goto is_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - if( p[pixel[12]] < c_b) - if( p[pixel[13]] < c_b) - if( p[pixel[14]] < c_b) - goto is_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - if( p[pixel[12]] < c_b) - if( p[pixel[13]] < c_b) - if( p[pixel[14]] < c_b) - if( p[pixel[15]] < c_b) - goto is_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - if( p[pixel[10]] > cb) - if( p[pixel[11]] > cb) - if( p[pixel[12]] > cb) - if( p[pixel[13]] > cb) - if( p[pixel[14]] > cb) - if( p[pixel[15]] > cb) - goto is_a_corner; - else - if( p[pixel[6]] > cb) - if( p[pixel[7]] > cb) - if( p[pixel[8]] > cb) - if( p[pixel[9]] > cb) - goto is_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - if( p[pixel[5]] > cb) - if( p[pixel[6]] > cb) - if( p[pixel[7]] > cb) - if( p[pixel[8]] > cb) - if( p[pixel[9]] > cb) - goto is_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - if( p[pixel[4]] > cb) - if( p[pixel[5]] > cb) - if( p[pixel[6]] > cb) - if( p[pixel[7]] > cb) - if( p[pixel[8]] > cb) - if( p[pixel[9]] > cb) - goto is_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else if( p[pixel[10]] < c_b) - if( p[pixel[7]] < c_b) - if( p[pixel[8]] < c_b) - if( p[pixel[9]] < c_b) - if( p[pixel[11]] < c_b) - if( p[pixel[12]] < c_b) - if( p[pixel[6]] < c_b) - if( p[pixel[5]] < c_b) - if( p[pixel[4]] < c_b) - goto is_a_corner; - else - if( p[pixel[13]] < c_b) - goto is_a_corner; - else - goto is_not_a_corner; - else - if( p[pixel[13]] < c_b) - if( p[pixel[14]] < c_b) - goto is_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - if( p[pixel[13]] < c_b) - if( p[pixel[14]] < c_b) - if( p[pixel[15]] < c_b) - goto is_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else if( p[pixel[2]] < c_b) - if( p[pixel[9]] > cb) - if( p[pixel[10]] > cb) - if( p[pixel[11]] > cb) - if( p[pixel[12]] > cb) - if( p[pixel[13]] > cb) - if( p[pixel[14]] > cb) - if( p[pixel[15]] > cb) - goto is_a_corner; - else - if( p[pixel[6]] > cb) - if( p[pixel[7]] > cb) - if( p[pixel[8]] > cb) - goto is_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - if( p[pixel[5]] > cb) - if( p[pixel[6]] > cb) - if( p[pixel[7]] > cb) - if( p[pixel[8]] > cb) - goto is_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - if( p[pixel[4]] > cb) - if( p[pixel[5]] > cb) - if( p[pixel[6]] > cb) - if( p[pixel[7]] > cb) - if( p[pixel[8]] > cb) - goto is_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - if( p[pixel[3]] > cb) - if( p[pixel[4]] > cb) - if( p[pixel[5]] > cb) - if( p[pixel[6]] > cb) - if( p[pixel[7]] > cb) - if( p[pixel[8]] > cb) - goto is_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else if( p[pixel[9]] < c_b) - if( p[pixel[7]] < c_b) - if( p[pixel[8]] < c_b) - if( p[pixel[10]] < c_b) - if( p[pixel[6]] < c_b) - if( p[pixel[5]] < c_b) - if( p[pixel[4]] < c_b) - if( p[pixel[3]] < c_b) - goto is_a_corner; - else - if( p[pixel[11]] < c_b) - if( p[pixel[12]] < c_b) - goto is_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - if( p[pixel[11]] < c_b) - if( p[pixel[12]] < c_b) - if( p[pixel[13]] < c_b) - goto is_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - if( p[pixel[11]] < c_b) - if( p[pixel[12]] < c_b) - if( p[pixel[13]] < c_b) - if( p[pixel[14]] < c_b) - goto is_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - if( p[pixel[11]] < c_b) - if( p[pixel[12]] < c_b) - if( p[pixel[13]] < c_b) - if( p[pixel[14]] < c_b) - if( p[pixel[15]] < c_b) - goto is_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - if( p[pixel[9]] > cb) - if( p[pixel[10]] > cb) - if( p[pixel[11]] > cb) - if( p[pixel[12]] > cb) - if( p[pixel[13]] > cb) - if( p[pixel[14]] > cb) - if( p[pixel[15]] > cb) - goto is_a_corner; - else - if( p[pixel[6]] > cb) - if( p[pixel[7]] > cb) - if( p[pixel[8]] > cb) - goto is_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - if( p[pixel[5]] > cb) - if( p[pixel[6]] > cb) - if( p[pixel[7]] > cb) - if( p[pixel[8]] > cb) - goto is_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - if( p[pixel[4]] > cb) - if( p[pixel[5]] > cb) - if( p[pixel[6]] > cb) - if( p[pixel[7]] > cb) - if( p[pixel[8]] > cb) - goto is_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - if( p[pixel[3]] > cb) - if( p[pixel[4]] > cb) - if( p[pixel[5]] > cb) - if( p[pixel[6]] > cb) - if( p[pixel[7]] > cb) - if( p[pixel[8]] > cb) - goto is_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else if( p[pixel[9]] < c_b) - if( p[pixel[7]] < c_b) - if( p[pixel[8]] < c_b) - if( p[pixel[10]] < c_b) - if( p[pixel[11]] < c_b) - if( p[pixel[6]] < c_b) - if( p[pixel[5]] < c_b) - if( p[pixel[4]] < c_b) - if( p[pixel[3]] < c_b) - goto is_a_corner; - else - if( p[pixel[12]] < c_b) - goto is_a_corner; - else - goto is_not_a_corner; - else - if( p[pixel[12]] < c_b) - if( p[pixel[13]] < c_b) - goto is_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - if( p[pixel[12]] < c_b) - if( p[pixel[13]] < c_b) - if( p[pixel[14]] < c_b) - goto is_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - if( p[pixel[12]] < c_b) - if( p[pixel[13]] < c_b) - if( p[pixel[14]] < c_b) - if( p[pixel[15]] < c_b) - goto is_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else if( p[pixel[1]] < c_b) - if( p[pixel[8]] > cb) - if( p[pixel[9]] > cb) - if( p[pixel[10]] > cb) - if( p[pixel[11]] > cb) - if( p[pixel[12]] > cb) - if( p[pixel[13]] > cb) - if( p[pixel[14]] > cb) - if( p[pixel[15]] > cb) - goto is_a_corner; - else - if( p[pixel[6]] > cb) - if( p[pixel[7]] > cb) - goto is_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - if( p[pixel[5]] > cb) - if( p[pixel[6]] > cb) - if( p[pixel[7]] > cb) - goto is_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - if( p[pixel[4]] > cb) - if( p[pixel[5]] > cb) - if( p[pixel[6]] > cb) - if( p[pixel[7]] > cb) - goto is_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - if( p[pixel[3]] > cb) - if( p[pixel[4]] > cb) - if( p[pixel[5]] > cb) - if( p[pixel[6]] > cb) - if( p[pixel[7]] > cb) - goto is_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - if( p[pixel[2]] > cb) - if( p[pixel[3]] > cb) - if( p[pixel[4]] > cb) - if( p[pixel[5]] > cb) - if( p[pixel[6]] > cb) - if( p[pixel[7]] > cb) - goto is_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else if( p[pixel[8]] < c_b) - if( p[pixel[7]] < c_b) - if( p[pixel[9]] < c_b) - if( p[pixel[6]] < c_b) - if( p[pixel[5]] < c_b) - if( p[pixel[4]] < c_b) - if( p[pixel[3]] < c_b) - if( p[pixel[2]] < c_b) - goto is_a_corner; - else - if( p[pixel[10]] < c_b) - if( p[pixel[11]] < c_b) - goto is_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - if( p[pixel[10]] < c_b) - if( p[pixel[11]] < c_b) - if( p[pixel[12]] < c_b) - goto is_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - if( p[pixel[10]] < c_b) - if( p[pixel[11]] < c_b) - if( p[pixel[12]] < c_b) - if( p[pixel[13]] < c_b) - goto is_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - if( p[pixel[10]] < c_b) - if( p[pixel[11]] < c_b) - if( p[pixel[12]] < c_b) - if( p[pixel[13]] < c_b) - if( p[pixel[14]] < c_b) - goto is_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - if( p[pixel[10]] < c_b) - if( p[pixel[11]] < c_b) - if( p[pixel[12]] < c_b) - if( p[pixel[13]] < c_b) - if( p[pixel[14]] < c_b) - if( p[pixel[15]] < c_b) - goto is_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - if( p[pixel[8]] > cb) - if( p[pixel[9]] > cb) - if( p[pixel[10]] > cb) - if( p[pixel[11]] > cb) - if( p[pixel[12]] > cb) - if( p[pixel[13]] > cb) - if( p[pixel[14]] > cb) - if( p[pixel[15]] > cb) - goto is_a_corner; - else - if( p[pixel[6]] > cb) - if( p[pixel[7]] > cb) - goto is_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - if( p[pixel[5]] > cb) - if( p[pixel[6]] > cb) - if( p[pixel[7]] > cb) - goto is_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - if( p[pixel[4]] > cb) - if( p[pixel[5]] > cb) - if( p[pixel[6]] > cb) - if( p[pixel[7]] > cb) - goto is_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - if( p[pixel[3]] > cb) - if( p[pixel[4]] > cb) - if( p[pixel[5]] > cb) - if( p[pixel[6]] > cb) - if( p[pixel[7]] > cb) - goto is_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - if( p[pixel[2]] > cb) - if( p[pixel[3]] > cb) - if( p[pixel[4]] > cb) - if( p[pixel[5]] > cb) - if( p[pixel[6]] > cb) - if( p[pixel[7]] > cb) - goto is_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else if( p[pixel[8]] < c_b) - if( p[pixel[7]] < c_b) - if( p[pixel[9]] < c_b) - if( p[pixel[10]] < c_b) - if( p[pixel[6]] < c_b) - if( p[pixel[5]] < c_b) - if( p[pixel[4]] < c_b) - if( p[pixel[3]] < c_b) - if( p[pixel[2]] < c_b) - goto is_a_corner; - else - if( p[pixel[11]] < c_b) - goto is_a_corner; - else - goto is_not_a_corner; - else - if( p[pixel[11]] < c_b) - if( p[pixel[12]] < c_b) - goto is_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - if( p[pixel[11]] < c_b) - if( p[pixel[12]] < c_b) - if( p[pixel[13]] < c_b) - goto is_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - if( p[pixel[11]] < c_b) - if( p[pixel[12]] < c_b) - if( p[pixel[13]] < c_b) - if( p[pixel[14]] < c_b) - goto is_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - if( p[pixel[11]] < c_b) - if( p[pixel[12]] < c_b) - if( p[pixel[13]] < c_b) - if( p[pixel[14]] < c_b) - if( p[pixel[15]] < c_b) - goto is_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else if( p[pixel[0]] < c_b) - if( p[pixel[1]] > cb) - if( p[pixel[8]] > cb) - if( p[pixel[7]] > cb) - if( p[pixel[9]] > cb) - if( p[pixel[6]] > cb) - if( p[pixel[5]] > cb) - if( p[pixel[4]] > cb) - if( p[pixel[3]] > cb) - if( p[pixel[2]] > cb) - goto is_a_corner; - else - if( p[pixel[10]] > cb) - if( p[pixel[11]] > cb) - goto is_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - if( p[pixel[10]] > cb) - if( p[pixel[11]] > cb) - if( p[pixel[12]] > cb) - goto is_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - if( p[pixel[10]] > cb) - if( p[pixel[11]] > cb) - if( p[pixel[12]] > cb) - if( p[pixel[13]] > cb) - goto is_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - if( p[pixel[10]] > cb) - if( p[pixel[11]] > cb) - if( p[pixel[12]] > cb) - if( p[pixel[13]] > cb) - if( p[pixel[14]] > cb) - goto is_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - if( p[pixel[10]] > cb) - if( p[pixel[11]] > cb) - if( p[pixel[12]] > cb) - if( p[pixel[13]] > cb) - if( p[pixel[14]] > cb) - if( p[pixel[15]] > cb) - goto is_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else if( p[pixel[8]] < c_b) - if( p[pixel[9]] < c_b) - if( p[pixel[10]] < c_b) - if( p[pixel[11]] < c_b) - if( p[pixel[12]] < c_b) - if( p[pixel[13]] < c_b) - if( p[pixel[14]] < c_b) - if( p[pixel[15]] < c_b) - goto is_a_corner; - else - if( p[pixel[6]] < c_b) - if( p[pixel[7]] < c_b) - goto is_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - if( p[pixel[5]] < c_b) - if( p[pixel[6]] < c_b) - if( p[pixel[7]] < c_b) - goto is_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - if( p[pixel[4]] < c_b) - if( p[pixel[5]] < c_b) - if( p[pixel[6]] < c_b) - if( p[pixel[7]] < c_b) - goto is_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - if( p[pixel[3]] < c_b) - if( p[pixel[4]] < c_b) - if( p[pixel[5]] < c_b) - if( p[pixel[6]] < c_b) - if( p[pixel[7]] < c_b) - goto is_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - if( p[pixel[2]] < c_b) - if( p[pixel[3]] < c_b) - if( p[pixel[4]] < c_b) - if( p[pixel[5]] < c_b) - if( p[pixel[6]] < c_b) - if( p[pixel[7]] < c_b) - goto is_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else if( p[pixel[1]] < c_b) - if( p[pixel[2]] > cb) - if( p[pixel[9]] > cb) - if( p[pixel[7]] > cb) - if( p[pixel[8]] > cb) - if( p[pixel[10]] > cb) - if( p[pixel[6]] > cb) - if( p[pixel[5]] > cb) - if( p[pixel[4]] > cb) - if( p[pixel[3]] > cb) - goto is_a_corner; - else - if( p[pixel[11]] > cb) - if( p[pixel[12]] > cb) - goto is_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - if( p[pixel[11]] > cb) - if( p[pixel[12]] > cb) - if( p[pixel[13]] > cb) - goto is_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - if( p[pixel[11]] > cb) - if( p[pixel[12]] > cb) - if( p[pixel[13]] > cb) - if( p[pixel[14]] > cb) - goto is_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - if( p[pixel[11]] > cb) - if( p[pixel[12]] > cb) - if( p[pixel[13]] > cb) - if( p[pixel[14]] > cb) - if( p[pixel[15]] > cb) - goto is_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else if( p[pixel[9]] < c_b) - if( p[pixel[10]] < c_b) - if( p[pixel[11]] < c_b) - if( p[pixel[12]] < c_b) - if( p[pixel[13]] < c_b) - if( p[pixel[14]] < c_b) - if( p[pixel[15]] < c_b) - goto is_a_corner; - else - if( p[pixel[6]] < c_b) - if( p[pixel[7]] < c_b) - if( p[pixel[8]] < c_b) - goto is_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - if( p[pixel[5]] < c_b) - if( p[pixel[6]] < c_b) - if( p[pixel[7]] < c_b) - if( p[pixel[8]] < c_b) - goto is_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - if( p[pixel[4]] < c_b) - if( p[pixel[5]] < c_b) - if( p[pixel[6]] < c_b) - if( p[pixel[7]] < c_b) - if( p[pixel[8]] < c_b) - goto is_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - if( p[pixel[3]] < c_b) - if( p[pixel[4]] < c_b) - if( p[pixel[5]] < c_b) - if( p[pixel[6]] < c_b) - if( p[pixel[7]] < c_b) - if( p[pixel[8]] < c_b) - goto is_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else if( p[pixel[2]] < c_b) - if( p[pixel[3]] > cb) - if( p[pixel[10]] > cb) - if( p[pixel[7]] > cb) - if( p[pixel[8]] > cb) - if( p[pixel[9]] > cb) - if( p[pixel[11]] > cb) - if( p[pixel[6]] > cb) - if( p[pixel[5]] > cb) - if( p[pixel[4]] > cb) - goto is_a_corner; - else - if( p[pixel[12]] > cb) - if( p[pixel[13]] > cb) - goto is_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - if( p[pixel[12]] > cb) - if( p[pixel[13]] > cb) - if( p[pixel[14]] > cb) - goto is_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - if( p[pixel[12]] > cb) - if( p[pixel[13]] > cb) - if( p[pixel[14]] > cb) - if( p[pixel[15]] > cb) - goto is_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else if( p[pixel[10]] < c_b) - if( p[pixel[11]] < c_b) - if( p[pixel[12]] < c_b) - if( p[pixel[13]] < c_b) - if( p[pixel[14]] < c_b) - if( p[pixel[15]] < c_b) - goto is_a_corner; - else - if( p[pixel[6]] < c_b) - if( p[pixel[7]] < c_b) - if( p[pixel[8]] < c_b) - if( p[pixel[9]] < c_b) - goto is_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - if( p[pixel[5]] < c_b) - if( p[pixel[6]] < c_b) - if( p[pixel[7]] < c_b) - if( p[pixel[8]] < c_b) - if( p[pixel[9]] < c_b) - goto is_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - if( p[pixel[4]] < c_b) - if( p[pixel[5]] < c_b) - if( p[pixel[6]] < c_b) - if( p[pixel[7]] < c_b) - if( p[pixel[8]] < c_b) - if( p[pixel[9]] < c_b) - goto is_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else if( p[pixel[3]] < c_b) - if( p[pixel[4]] > cb) - if( p[pixel[13]] > cb) - if( p[pixel[7]] > cb) - if( p[pixel[8]] > cb) - if( p[pixel[9]] > cb) - if( p[pixel[10]] > cb) - if( p[pixel[11]] > cb) - if( p[pixel[12]] > cb) - if( p[pixel[6]] > cb) - if( p[pixel[5]] > cb) - goto is_a_corner; - else - if( p[pixel[14]] > cb) - goto is_a_corner; - else - goto is_not_a_corner; - else - if( p[pixel[14]] > cb) - if( p[pixel[15]] > cb) - goto is_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else if( p[pixel[13]] < c_b) - if( p[pixel[11]] > cb) - if( p[pixel[5]] > cb) - if( p[pixel[6]] > cb) - if( p[pixel[7]] > cb) - if( p[pixel[8]] > cb) - if( p[pixel[9]] > cb) - if( p[pixel[10]] > cb) - if( p[pixel[12]] > cb) - goto is_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else if( p[pixel[11]] < c_b) - if( p[pixel[12]] < c_b) - if( p[pixel[14]] < c_b) - if( p[pixel[15]] < c_b) - goto is_a_corner; - else - if( p[pixel[6]] < c_b) - if( p[pixel[7]] < c_b) - if( p[pixel[8]] < c_b) - if( p[pixel[9]] < c_b) - if( p[pixel[10]] < c_b) - goto is_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - if( p[pixel[5]] < c_b) - if( p[pixel[6]] < c_b) - if( p[pixel[7]] < c_b) - if( p[pixel[8]] < c_b) - if( p[pixel[9]] < c_b) - if( p[pixel[10]] < c_b) - goto is_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - if( p[pixel[5]] > cb) - if( p[pixel[6]] > cb) - if( p[pixel[7]] > cb) - if( p[pixel[8]] > cb) - if( p[pixel[9]] > cb) - if( p[pixel[10]] > cb) - if( p[pixel[11]] > cb) - if( p[pixel[12]] > cb) - goto is_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else if( p[pixel[4]] < c_b) - if( p[pixel[5]] > cb) - if( p[pixel[14]] > cb) - if( p[pixel[7]] > cb) - if( p[pixel[8]] > cb) - if( p[pixel[9]] > cb) - if( p[pixel[10]] > cb) - if( p[pixel[11]] > cb) - if( p[pixel[12]] > cb) - if( p[pixel[13]] > cb) - if( p[pixel[6]] > cb) - goto is_a_corner; - else - if( p[pixel[15]] > cb) - goto is_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else if( p[pixel[14]] < c_b) - if( p[pixel[12]] > cb) - if( p[pixel[6]] > cb) - if( p[pixel[7]] > cb) - if( p[pixel[8]] > cb) - if( p[pixel[9]] > cb) - if( p[pixel[10]] > cb) - if( p[pixel[11]] > cb) - if( p[pixel[13]] > cb) - goto is_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else if( p[pixel[12]] < c_b) - if( p[pixel[13]] < c_b) - if( p[pixel[15]] < c_b) - goto is_a_corner; - else - if( p[pixel[6]] < c_b) - if( p[pixel[7]] < c_b) - if( p[pixel[8]] < c_b) - if( p[pixel[9]] < c_b) - if( p[pixel[10]] < c_b) - if( p[pixel[11]] < c_b) - goto is_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - if( p[pixel[6]] > cb) - if( p[pixel[7]] > cb) - if( p[pixel[8]] > cb) - if( p[pixel[9]] > cb) - if( p[pixel[10]] > cb) - if( p[pixel[11]] > cb) - if( p[pixel[12]] > cb) - if( p[pixel[13]] > cb) - goto is_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else if( p[pixel[5]] < c_b) - if( p[pixel[6]] > cb) - if( p[pixel[15]] < c_b) - if( p[pixel[13]] > cb) - if( p[pixel[7]] > cb) - if( p[pixel[8]] > cb) - if( p[pixel[9]] > cb) - if( p[pixel[10]] > cb) - if( p[pixel[11]] > cb) - if( p[pixel[12]] > cb) - if( p[pixel[14]] > cb) - goto is_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else if( p[pixel[13]] < c_b) - if( p[pixel[14]] < c_b) - goto is_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - if( p[pixel[7]] > cb) - if( p[pixel[8]] > cb) - if( p[pixel[9]] > cb) - if( p[pixel[10]] > cb) - if( p[pixel[11]] > cb) - if( p[pixel[12]] > cb) - if( p[pixel[13]] > cb) - if( p[pixel[14]] > cb) - goto is_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else if( p[pixel[6]] < c_b) - if( p[pixel[7]] > cb) - if( p[pixel[14]] > cb) - if( p[pixel[8]] > cb) - if( p[pixel[9]] > cb) - if( p[pixel[10]] > cb) - if( p[pixel[11]] > cb) - if( p[pixel[12]] > cb) - if( p[pixel[13]] > cb) - if( p[pixel[15]] > cb) - goto is_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else if( p[pixel[14]] < c_b) - if( p[pixel[15]] < c_b) - goto is_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else if( p[pixel[7]] < c_b) - if( p[pixel[8]] < c_b) - goto is_a_corner; - else - if( p[pixel[15]] < c_b) - goto is_a_corner; - else - goto is_not_a_corner; - else - if( p[pixel[14]] < c_b) - if( p[pixel[15]] < c_b) - goto is_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - if( p[pixel[13]] > cb) - if( p[pixel[7]] > cb) - if( p[pixel[8]] > cb) - if( p[pixel[9]] > cb) - if( p[pixel[10]] > cb) - if( p[pixel[11]] > cb) - if( p[pixel[12]] > cb) - if( p[pixel[14]] > cb) - if( p[pixel[15]] > cb) - goto is_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else if( p[pixel[13]] < c_b) - if( p[pixel[14]] < c_b) - if( p[pixel[15]] < c_b) - goto is_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - if( p[pixel[12]] > cb) - if( p[pixel[7]] > cb) - if( p[pixel[8]] > cb) - if( p[pixel[9]] > cb) - if( p[pixel[10]] > cb) - if( p[pixel[11]] > cb) - if( p[pixel[13]] > cb) - if( p[pixel[14]] > cb) - if( p[pixel[6]] > cb) - goto is_a_corner; - else - if( p[pixel[15]] > cb) - goto is_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else if( p[pixel[12]] < c_b) - if( p[pixel[13]] < c_b) - if( p[pixel[14]] < c_b) - if( p[pixel[15]] < c_b) - goto is_a_corner; - else - if( p[pixel[6]] < c_b) - if( p[pixel[7]] < c_b) - if( p[pixel[8]] < c_b) - if( p[pixel[9]] < c_b) - if( p[pixel[10]] < c_b) - if( p[pixel[11]] < c_b) - goto is_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - if( p[pixel[11]] > cb) - if( p[pixel[7]] > cb) - if( p[pixel[8]] > cb) - if( p[pixel[9]] > cb) - if( p[pixel[10]] > cb) - if( p[pixel[12]] > cb) - if( p[pixel[13]] > cb) - if( p[pixel[6]] > cb) - if( p[pixel[5]] > cb) - goto is_a_corner; - else - if( p[pixel[14]] > cb) - goto is_a_corner; - else - goto is_not_a_corner; - else - if( p[pixel[14]] > cb) - if( p[pixel[15]] > cb) - goto is_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else if( p[pixel[11]] < c_b) - if( p[pixel[12]] < c_b) - if( p[pixel[13]] < c_b) - if( p[pixel[14]] < c_b) - if( p[pixel[15]] < c_b) - goto is_a_corner; - else - if( p[pixel[6]] < c_b) - if( p[pixel[7]] < c_b) - if( p[pixel[8]] < c_b) - if( p[pixel[9]] < c_b) - if( p[pixel[10]] < c_b) - goto is_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - if( p[pixel[5]] < c_b) - if( p[pixel[6]] < c_b) - if( p[pixel[7]] < c_b) - if( p[pixel[8]] < c_b) - if( p[pixel[9]] < c_b) - if( p[pixel[10]] < c_b) - goto is_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - if( p[pixel[10]] > cb) - if( p[pixel[7]] > cb) - if( p[pixel[8]] > cb) - if( p[pixel[9]] > cb) - if( p[pixel[11]] > cb) - if( p[pixel[12]] > cb) - if( p[pixel[6]] > cb) - if( p[pixel[5]] > cb) - if( p[pixel[4]] > cb) - goto is_a_corner; - else - if( p[pixel[13]] > cb) - goto is_a_corner; - else - goto is_not_a_corner; - else - if( p[pixel[13]] > cb) - if( p[pixel[14]] > cb) - goto is_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - if( p[pixel[13]] > cb) - if( p[pixel[14]] > cb) - if( p[pixel[15]] > cb) - goto is_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else if( p[pixel[10]] < c_b) - if( p[pixel[11]] < c_b) - if( p[pixel[12]] < c_b) - if( p[pixel[13]] < c_b) - if( p[pixel[14]] < c_b) - if( p[pixel[15]] < c_b) - goto is_a_corner; - else - if( p[pixel[6]] < c_b) - if( p[pixel[7]] < c_b) - if( p[pixel[8]] < c_b) - if( p[pixel[9]] < c_b) - goto is_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - if( p[pixel[5]] < c_b) - if( p[pixel[6]] < c_b) - if( p[pixel[7]] < c_b) - if( p[pixel[8]] < c_b) - if( p[pixel[9]] < c_b) - goto is_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - if( p[pixel[4]] < c_b) - if( p[pixel[5]] < c_b) - if( p[pixel[6]] < c_b) - if( p[pixel[7]] < c_b) - if( p[pixel[8]] < c_b) - if( p[pixel[9]] < c_b) - goto is_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - if( p[pixel[9]] > cb) - if( p[pixel[7]] > cb) - if( p[pixel[8]] > cb) - if( p[pixel[10]] > cb) - if( p[pixel[11]] > cb) - if( p[pixel[6]] > cb) - if( p[pixel[5]] > cb) - if( p[pixel[4]] > cb) - if( p[pixel[3]] > cb) - goto is_a_corner; - else - if( p[pixel[12]] > cb) - goto is_a_corner; - else - goto is_not_a_corner; - else - if( p[pixel[12]] > cb) - if( p[pixel[13]] > cb) - goto is_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - if( p[pixel[12]] > cb) - if( p[pixel[13]] > cb) - if( p[pixel[14]] > cb) - goto is_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - if( p[pixel[12]] > cb) - if( p[pixel[13]] > cb) - if( p[pixel[14]] > cb) - if( p[pixel[15]] > cb) - goto is_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else if( p[pixel[9]] < c_b) - if( p[pixel[10]] < c_b) - if( p[pixel[11]] < c_b) - if( p[pixel[12]] < c_b) - if( p[pixel[13]] < c_b) - if( p[pixel[14]] < c_b) - if( p[pixel[15]] < c_b) - goto is_a_corner; - else - if( p[pixel[6]] < c_b) - if( p[pixel[7]] < c_b) - if( p[pixel[8]] < c_b) - goto is_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - if( p[pixel[5]] < c_b) - if( p[pixel[6]] < c_b) - if( p[pixel[7]] < c_b) - if( p[pixel[8]] < c_b) - goto is_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - if( p[pixel[4]] < c_b) - if( p[pixel[5]] < c_b) - if( p[pixel[6]] < c_b) - if( p[pixel[7]] < c_b) - if( p[pixel[8]] < c_b) - goto is_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - if( p[pixel[3]] < c_b) - if( p[pixel[4]] < c_b) - if( p[pixel[5]] < c_b) - if( p[pixel[6]] < c_b) - if( p[pixel[7]] < c_b) - if( p[pixel[8]] < c_b) - goto is_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - if( p[pixel[8]] > cb) - if( p[pixel[7]] > cb) - if( p[pixel[9]] > cb) - if( p[pixel[10]] > cb) - if( p[pixel[6]] > cb) - if( p[pixel[5]] > cb) - if( p[pixel[4]] > cb) - if( p[pixel[3]] > cb) - if( p[pixel[2]] > cb) - goto is_a_corner; - else - if( p[pixel[11]] > cb) - goto is_a_corner; - else - goto is_not_a_corner; - else - if( p[pixel[11]] > cb) - if( p[pixel[12]] > cb) - goto is_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - if( p[pixel[11]] > cb) - if( p[pixel[12]] > cb) - if( p[pixel[13]] > cb) - goto is_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - if( p[pixel[11]] > cb) - if( p[pixel[12]] > cb) - if( p[pixel[13]] > cb) - if( p[pixel[14]] > cb) - goto is_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - if( p[pixel[11]] > cb) - if( p[pixel[12]] > cb) - if( p[pixel[13]] > cb) - if( p[pixel[14]] > cb) - if( p[pixel[15]] > cb) - goto is_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else if( p[pixel[8]] < c_b) - if( p[pixel[9]] < c_b) - if( p[pixel[10]] < c_b) - if( p[pixel[11]] < c_b) - if( p[pixel[12]] < c_b) - if( p[pixel[13]] < c_b) - if( p[pixel[14]] < c_b) - if( p[pixel[15]] < c_b) - goto is_a_corner; - else - if( p[pixel[6]] < c_b) - if( p[pixel[7]] < c_b) - goto is_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - if( p[pixel[5]] < c_b) - if( p[pixel[6]] < c_b) - if( p[pixel[7]] < c_b) - goto is_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - if( p[pixel[4]] < c_b) - if( p[pixel[5]] < c_b) - if( p[pixel[6]] < c_b) - if( p[pixel[7]] < c_b) - goto is_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - if( p[pixel[3]] < c_b) - if( p[pixel[4]] < c_b) - if( p[pixel[5]] < c_b) - if( p[pixel[6]] < c_b) - if( p[pixel[7]] < c_b) - goto is_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - if( p[pixel[2]] < c_b) - if( p[pixel[3]] < c_b) - if( p[pixel[4]] < c_b) - if( p[pixel[5]] < c_b) - if( p[pixel[6]] < c_b) - if( p[pixel[7]] < c_b) - goto is_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - if( p[pixel[7]] > cb) - if( p[pixel[8]] > cb) - if( p[pixel[9]] > cb) - if( p[pixel[6]] > cb) - if( p[pixel[5]] > cb) - if( p[pixel[4]] > cb) - if( p[pixel[3]] > cb) - if( p[pixel[2]] > cb) - if( p[pixel[1]] > cb) - goto is_a_corner; - else - if( p[pixel[10]] > cb) - goto is_a_corner; - else - goto is_not_a_corner; - else - if( p[pixel[10]] > cb) - if( p[pixel[11]] > cb) - goto is_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - if( p[pixel[10]] > cb) - if( p[pixel[11]] > cb) - if( p[pixel[12]] > cb) - goto is_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - if( p[pixel[10]] > cb) - if( p[pixel[11]] > cb) - if( p[pixel[12]] > cb) - if( p[pixel[13]] > cb) - goto is_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - if( p[pixel[10]] > cb) - if( p[pixel[11]] > cb) - if( p[pixel[12]] > cb) - if( p[pixel[13]] > cb) - if( p[pixel[14]] > cb) - goto is_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - if( p[pixel[10]] > cb) - if( p[pixel[11]] > cb) - if( p[pixel[12]] > cb) - if( p[pixel[13]] > cb) - if( p[pixel[14]] > cb) - if( p[pixel[15]] > cb) - goto is_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else if( p[pixel[7]] < c_b) - if( p[pixel[8]] < c_b) - if( p[pixel[9]] < c_b) - if( p[pixel[6]] < c_b) - if( p[pixel[5]] < c_b) - if( p[pixel[4]] < c_b) - if( p[pixel[3]] < c_b) - if( p[pixel[2]] < c_b) - if( p[pixel[1]] < c_b) - goto is_a_corner; - else - if( p[pixel[10]] < c_b) - goto is_a_corner; - else - goto is_not_a_corner; - else - if( p[pixel[10]] < c_b) - if( p[pixel[11]] < c_b) - goto is_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - if( p[pixel[10]] < c_b) - if( p[pixel[11]] < c_b) - if( p[pixel[12]] < c_b) - goto is_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - if( p[pixel[10]] < c_b) - if( p[pixel[11]] < c_b) - if( p[pixel[12]] < c_b) - if( p[pixel[13]] < c_b) - goto is_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - if( p[pixel[10]] < c_b) - if( p[pixel[11]] < c_b) - if( p[pixel[12]] < c_b) - if( p[pixel[13]] < c_b) - if( p[pixel[14]] < c_b) - goto is_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - if( p[pixel[10]] < c_b) - if( p[pixel[11]] < c_b) - if( p[pixel[12]] < c_b) - if( p[pixel[13]] < c_b) - if( p[pixel[14]] < c_b) - if( p[pixel[15]] < c_b) - goto is_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - else - goto is_not_a_corner; - - is_a_corner: - bmin=b; - goto end_if; - - is_not_a_corner: - bmax=b; - goto end_if; - - end_if: - - if(bmin == bmax - 1 || bmin == bmax) - return bmin; - b = (bmin + bmax) / 2; - } -} - -static void make_offsets(int pixel[], int row_stride) -{ - pixel[0] = 0 + row_stride * 3; - pixel[1] = 1 + row_stride * 3; - pixel[2] = 2 + row_stride * 2; - pixel[3] = 3 + row_stride * 1; - pixel[4] = 3 + row_stride * 0; - pixel[5] = 3 + row_stride * -1; - pixel[6] = 2 + row_stride * -2; - pixel[7] = 1 + row_stride * -3; - pixel[8] = 0 + row_stride * -3; - pixel[9] = -1 + row_stride * -3; - pixel[10] = -2 + row_stride * -2; - pixel[11] = -3 + row_stride * -1; - pixel[12] = -3 + row_stride * 0; - pixel[13] = -3 + row_stride * 1; - pixel[14] = -2 + row_stride * 2; - pixel[15] = -1 + row_stride * 3; -} - - - -int* fast9_score(const byte* i, int stride, xy* corners, int num_corners, int b) -{ - int* scores = (int*)malloc(sizeof(int)* num_corners); - int n; - - int pixel[16]; - make_offsets(pixel, stride); - - for(n=0; n < num_corners; n++) - scores[n] = fast9_corner_score(i + corners[n].y*stride + corners[n].x, pixel, b); - - return scores; -} - - -xy* fast9_detect(const byte* im, int xsize, int ysize, int stride, int b, int* ret_num_corners) -{ - int num_corners=0; - xy* ret_corners; - int rsize=512; - int pixel[16]; - int x, y; - - ret_corners = (xy*)malloc(sizeof(xy)*rsize); - make_offsets(pixel, stride); - - for(y=3; y < ysize - 3; y++) - for(x=3; x < xsize - 3; x++) - { - const byte* p = im + y*stride + x; - - int cb = *p + b; - int c_b= *p - b; - if(p[pixel[0]] > cb) - if(p[pixel[1]] > cb) - if(p[pixel[2]] > cb) - if(p[pixel[3]] > cb) - if(p[pixel[4]] > cb) - if(p[pixel[5]] > cb) - if(p[pixel[6]] > cb) - if(p[pixel[7]] > cb) - if(p[pixel[8]] > cb) - {} - else - if(p[pixel[15]] > cb) - {} - else - continue; - else if(p[pixel[7]] < c_b) - if(p[pixel[14]] > cb) - if(p[pixel[15]] > cb) - {} - else - continue; - else if(p[pixel[14]] < c_b) - if(p[pixel[8]] < c_b) - if(p[pixel[9]] < c_b) - if(p[pixel[10]] < c_b) - if(p[pixel[11]] < c_b) - if(p[pixel[12]] < c_b) - if(p[pixel[13]] < c_b) - if(p[pixel[15]] < c_b) - {} - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else - if(p[pixel[14]] > cb) - if(p[pixel[15]] > cb) - {} - else - continue; - else - continue; - else if(p[pixel[6]] < c_b) - if(p[pixel[15]] > cb) - if(p[pixel[13]] > cb) - if(p[pixel[14]] > cb) - {} - else - continue; - else if(p[pixel[13]] < c_b) - if(p[pixel[7]] < c_b) - if(p[pixel[8]] < c_b) - if(p[pixel[9]] < c_b) - if(p[pixel[10]] < c_b) - if(p[pixel[11]] < c_b) - if(p[pixel[12]] < c_b) - if(p[pixel[14]] < c_b) - {} - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else - if(p[pixel[7]] < c_b) - if(p[pixel[8]] < c_b) - if(p[pixel[9]] < c_b) - if(p[pixel[10]] < c_b) - if(p[pixel[11]] < c_b) - if(p[pixel[12]] < c_b) - if(p[pixel[13]] < c_b) - if(p[pixel[14]] < c_b) - {} - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else - if(p[pixel[13]] > cb) - if(p[pixel[14]] > cb) - if(p[pixel[15]] > cb) - {} - else - continue; - else - continue; - else if(p[pixel[13]] < c_b) - if(p[pixel[7]] < c_b) - if(p[pixel[8]] < c_b) - if(p[pixel[9]] < c_b) - if(p[pixel[10]] < c_b) - if(p[pixel[11]] < c_b) - if(p[pixel[12]] < c_b) - if(p[pixel[14]] < c_b) - if(p[pixel[15]] < c_b) - {} - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else if(p[pixel[5]] < c_b) - if(p[pixel[14]] > cb) - if(p[pixel[12]] > cb) - if(p[pixel[13]] > cb) - if(p[pixel[15]] > cb) - {} - else - if(p[pixel[6]] > cb) - if(p[pixel[7]] > cb) - if(p[pixel[8]] > cb) - if(p[pixel[9]] > cb) - if(p[pixel[10]] > cb) - if(p[pixel[11]] > cb) - {} - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else if(p[pixel[12]] < c_b) - if(p[pixel[6]] < c_b) - if(p[pixel[7]] < c_b) - if(p[pixel[8]] < c_b) - if(p[pixel[9]] < c_b) - if(p[pixel[10]] < c_b) - if(p[pixel[11]] < c_b) - if(p[pixel[13]] < c_b) - {} - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else if(p[pixel[14]] < c_b) - if(p[pixel[7]] < c_b) - if(p[pixel[8]] < c_b) - if(p[pixel[9]] < c_b) - if(p[pixel[10]] < c_b) - if(p[pixel[11]] < c_b) - if(p[pixel[12]] < c_b) - if(p[pixel[13]] < c_b) - if(p[pixel[6]] < c_b) - {} - else - if(p[pixel[15]] < c_b) - {} - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else - if(p[pixel[6]] < c_b) - if(p[pixel[7]] < c_b) - if(p[pixel[8]] < c_b) - if(p[pixel[9]] < c_b) - if(p[pixel[10]] < c_b) - if(p[pixel[11]] < c_b) - if(p[pixel[12]] < c_b) - if(p[pixel[13]] < c_b) - {} - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else - if(p[pixel[12]] > cb) - if(p[pixel[13]] > cb) - if(p[pixel[14]] > cb) - if(p[pixel[15]] > cb) - {} - else - if(p[pixel[6]] > cb) - if(p[pixel[7]] > cb) - if(p[pixel[8]] > cb) - if(p[pixel[9]] > cb) - if(p[pixel[10]] > cb) - if(p[pixel[11]] > cb) - {} - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else if(p[pixel[12]] < c_b) - if(p[pixel[7]] < c_b) - if(p[pixel[8]] < c_b) - if(p[pixel[9]] < c_b) - if(p[pixel[10]] < c_b) - if(p[pixel[11]] < c_b) - if(p[pixel[13]] < c_b) - if(p[pixel[14]] < c_b) - if(p[pixel[6]] < c_b) - {} - else - if(p[pixel[15]] < c_b) - {} - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else if(p[pixel[4]] < c_b) - if(p[pixel[13]] > cb) - if(p[pixel[11]] > cb) - if(p[pixel[12]] > cb) - if(p[pixel[14]] > cb) - if(p[pixel[15]] > cb) - {} - else - if(p[pixel[6]] > cb) - if(p[pixel[7]] > cb) - if(p[pixel[8]] > cb) - if(p[pixel[9]] > cb) - if(p[pixel[10]] > cb) - {} - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else - if(p[pixel[5]] > cb) - if(p[pixel[6]] > cb) - if(p[pixel[7]] > cb) - if(p[pixel[8]] > cb) - if(p[pixel[9]] > cb) - if(p[pixel[10]] > cb) - {} - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else if(p[pixel[11]] < c_b) - if(p[pixel[5]] < c_b) - if(p[pixel[6]] < c_b) - if(p[pixel[7]] < c_b) - if(p[pixel[8]] < c_b) - if(p[pixel[9]] < c_b) - if(p[pixel[10]] < c_b) - if(p[pixel[12]] < c_b) - {} - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else if(p[pixel[13]] < c_b) - if(p[pixel[7]] < c_b) - if(p[pixel[8]] < c_b) - if(p[pixel[9]] < c_b) - if(p[pixel[10]] < c_b) - if(p[pixel[11]] < c_b) - if(p[pixel[12]] < c_b) - if(p[pixel[6]] < c_b) - if(p[pixel[5]] < c_b) - {} - else - if(p[pixel[14]] < c_b) - {} - else - continue; - else - if(p[pixel[14]] < c_b) - if(p[pixel[15]] < c_b) - {} - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else - if(p[pixel[5]] < c_b) - if(p[pixel[6]] < c_b) - if(p[pixel[7]] < c_b) - if(p[pixel[8]] < c_b) - if(p[pixel[9]] < c_b) - if(p[pixel[10]] < c_b) - if(p[pixel[11]] < c_b) - if(p[pixel[12]] < c_b) - {} - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else - if(p[pixel[11]] > cb) - if(p[pixel[12]] > cb) - if(p[pixel[13]] > cb) - if(p[pixel[14]] > cb) - if(p[pixel[15]] > cb) - {} - else - if(p[pixel[6]] > cb) - if(p[pixel[7]] > cb) - if(p[pixel[8]] > cb) - if(p[pixel[9]] > cb) - if(p[pixel[10]] > cb) - {} - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else - if(p[pixel[5]] > cb) - if(p[pixel[6]] > cb) - if(p[pixel[7]] > cb) - if(p[pixel[8]] > cb) - if(p[pixel[9]] > cb) - if(p[pixel[10]] > cb) - {} - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else if(p[pixel[11]] < c_b) - if(p[pixel[7]] < c_b) - if(p[pixel[8]] < c_b) - if(p[pixel[9]] < c_b) - if(p[pixel[10]] < c_b) - if(p[pixel[12]] < c_b) - if(p[pixel[13]] < c_b) - if(p[pixel[6]] < c_b) - if(p[pixel[5]] < c_b) - {} - else - if(p[pixel[14]] < c_b) - {} - else - continue; - else - if(p[pixel[14]] < c_b) - if(p[pixel[15]] < c_b) - {} - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else if(p[pixel[3]] < c_b) - if(p[pixel[10]] > cb) - if(p[pixel[11]] > cb) - if(p[pixel[12]] > cb) - if(p[pixel[13]] > cb) - if(p[pixel[14]] > cb) - if(p[pixel[15]] > cb) - {} - else - if(p[pixel[6]] > cb) - if(p[pixel[7]] > cb) - if(p[pixel[8]] > cb) - if(p[pixel[9]] > cb) - {} - else - continue; - else - continue; - else - continue; - else - continue; - else - if(p[pixel[5]] > cb) - if(p[pixel[6]] > cb) - if(p[pixel[7]] > cb) - if(p[pixel[8]] > cb) - if(p[pixel[9]] > cb) - {} - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else - if(p[pixel[4]] > cb) - if(p[pixel[5]] > cb) - if(p[pixel[6]] > cb) - if(p[pixel[7]] > cb) - if(p[pixel[8]] > cb) - if(p[pixel[9]] > cb) - {} - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else if(p[pixel[10]] < c_b) - if(p[pixel[7]] < c_b) - if(p[pixel[8]] < c_b) - if(p[pixel[9]] < c_b) - if(p[pixel[11]] < c_b) - if(p[pixel[6]] < c_b) - if(p[pixel[5]] < c_b) - if(p[pixel[4]] < c_b) - {} - else - if(p[pixel[12]] < c_b) - if(p[pixel[13]] < c_b) - {} - else - continue; - else - continue; - else - if(p[pixel[12]] < c_b) - if(p[pixel[13]] < c_b) - if(p[pixel[14]] < c_b) - {} - else - continue; - else - continue; - else - continue; - else - if(p[pixel[12]] < c_b) - if(p[pixel[13]] < c_b) - if(p[pixel[14]] < c_b) - if(p[pixel[15]] < c_b) - {} - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else - if(p[pixel[10]] > cb) - if(p[pixel[11]] > cb) - if(p[pixel[12]] > cb) - if(p[pixel[13]] > cb) - if(p[pixel[14]] > cb) - if(p[pixel[15]] > cb) - {} - else - if(p[pixel[6]] > cb) - if(p[pixel[7]] > cb) - if(p[pixel[8]] > cb) - if(p[pixel[9]] > cb) - {} - else - continue; - else - continue; - else - continue; - else - continue; - else - if(p[pixel[5]] > cb) - if(p[pixel[6]] > cb) - if(p[pixel[7]] > cb) - if(p[pixel[8]] > cb) - if(p[pixel[9]] > cb) - {} - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else - if(p[pixel[4]] > cb) - if(p[pixel[5]] > cb) - if(p[pixel[6]] > cb) - if(p[pixel[7]] > cb) - if(p[pixel[8]] > cb) - if(p[pixel[9]] > cb) - {} - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else if(p[pixel[10]] < c_b) - if(p[pixel[7]] < c_b) - if(p[pixel[8]] < c_b) - if(p[pixel[9]] < c_b) - if(p[pixel[11]] < c_b) - if(p[pixel[12]] < c_b) - if(p[pixel[6]] < c_b) - if(p[pixel[5]] < c_b) - if(p[pixel[4]] < c_b) - {} - else - if(p[pixel[13]] < c_b) - {} - else - continue; - else - if(p[pixel[13]] < c_b) - if(p[pixel[14]] < c_b) - {} - else - continue; - else - continue; - else - if(p[pixel[13]] < c_b) - if(p[pixel[14]] < c_b) - if(p[pixel[15]] < c_b) - {} - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else if(p[pixel[2]] < c_b) - if(p[pixel[9]] > cb) - if(p[pixel[10]] > cb) - if(p[pixel[11]] > cb) - if(p[pixel[12]] > cb) - if(p[pixel[13]] > cb) - if(p[pixel[14]] > cb) - if(p[pixel[15]] > cb) - {} - else - if(p[pixel[6]] > cb) - if(p[pixel[7]] > cb) - if(p[pixel[8]] > cb) - {} - else - continue; - else - continue; - else - continue; - else - if(p[pixel[5]] > cb) - if(p[pixel[6]] > cb) - if(p[pixel[7]] > cb) - if(p[pixel[8]] > cb) - {} - else - continue; - else - continue; - else - continue; - else - continue; - else - if(p[pixel[4]] > cb) - if(p[pixel[5]] > cb) - if(p[pixel[6]] > cb) - if(p[pixel[7]] > cb) - if(p[pixel[8]] > cb) - {} - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else - if(p[pixel[3]] > cb) - if(p[pixel[4]] > cb) - if(p[pixel[5]] > cb) - if(p[pixel[6]] > cb) - if(p[pixel[7]] > cb) - if(p[pixel[8]] > cb) - {} - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else if(p[pixel[9]] < c_b) - if(p[pixel[7]] < c_b) - if(p[pixel[8]] < c_b) - if(p[pixel[10]] < c_b) - if(p[pixel[6]] < c_b) - if(p[pixel[5]] < c_b) - if(p[pixel[4]] < c_b) - if(p[pixel[3]] < c_b) - {} - else - if(p[pixel[11]] < c_b) - if(p[pixel[12]] < c_b) - {} - else - continue; - else - continue; - else - if(p[pixel[11]] < c_b) - if(p[pixel[12]] < c_b) - if(p[pixel[13]] < c_b) - {} - else - continue; - else - continue; - else - continue; - else - if(p[pixel[11]] < c_b) - if(p[pixel[12]] < c_b) - if(p[pixel[13]] < c_b) - if(p[pixel[14]] < c_b) - {} - else - continue; - else - continue; - else - continue; - else - continue; - else - if(p[pixel[11]] < c_b) - if(p[pixel[12]] < c_b) - if(p[pixel[13]] < c_b) - if(p[pixel[14]] < c_b) - if(p[pixel[15]] < c_b) - {} - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else - if(p[pixel[9]] > cb) - if(p[pixel[10]] > cb) - if(p[pixel[11]] > cb) - if(p[pixel[12]] > cb) - if(p[pixel[13]] > cb) - if(p[pixel[14]] > cb) - if(p[pixel[15]] > cb) - {} - else - if(p[pixel[6]] > cb) - if(p[pixel[7]] > cb) - if(p[pixel[8]] > cb) - {} - else - continue; - else - continue; - else - continue; - else - if(p[pixel[5]] > cb) - if(p[pixel[6]] > cb) - if(p[pixel[7]] > cb) - if(p[pixel[8]] > cb) - {} - else - continue; - else - continue; - else - continue; - else - continue; - else - if(p[pixel[4]] > cb) - if(p[pixel[5]] > cb) - if(p[pixel[6]] > cb) - if(p[pixel[7]] > cb) - if(p[pixel[8]] > cb) - {} - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else - if(p[pixel[3]] > cb) - if(p[pixel[4]] > cb) - if(p[pixel[5]] > cb) - if(p[pixel[6]] > cb) - if(p[pixel[7]] > cb) - if(p[pixel[8]] > cb) - {} - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else if(p[pixel[9]] < c_b) - if(p[pixel[7]] < c_b) - if(p[pixel[8]] < c_b) - if(p[pixel[10]] < c_b) - if(p[pixel[11]] < c_b) - if(p[pixel[6]] < c_b) - if(p[pixel[5]] < c_b) - if(p[pixel[4]] < c_b) - if(p[pixel[3]] < c_b) - {} - else - if(p[pixel[12]] < c_b) - {} - else - continue; - else - if(p[pixel[12]] < c_b) - if(p[pixel[13]] < c_b) - {} - else - continue; - else - continue; - else - if(p[pixel[12]] < c_b) - if(p[pixel[13]] < c_b) - if(p[pixel[14]] < c_b) - {} - else - continue; - else - continue; - else - continue; - else - if(p[pixel[12]] < c_b) - if(p[pixel[13]] < c_b) - if(p[pixel[14]] < c_b) - if(p[pixel[15]] < c_b) - {} - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else if(p[pixel[1]] < c_b) - if(p[pixel[8]] > cb) - if(p[pixel[9]] > cb) - if(p[pixel[10]] > cb) - if(p[pixel[11]] > cb) - if(p[pixel[12]] > cb) - if(p[pixel[13]] > cb) - if(p[pixel[14]] > cb) - if(p[pixel[15]] > cb) - {} - else - if(p[pixel[6]] > cb) - if(p[pixel[7]] > cb) - {} - else - continue; - else - continue; - else - if(p[pixel[5]] > cb) - if(p[pixel[6]] > cb) - if(p[pixel[7]] > cb) - {} - else - continue; - else - continue; - else - continue; - else - if(p[pixel[4]] > cb) - if(p[pixel[5]] > cb) - if(p[pixel[6]] > cb) - if(p[pixel[7]] > cb) - {} - else - continue; - else - continue; - else - continue; - else - continue; - else - if(p[pixel[3]] > cb) - if(p[pixel[4]] > cb) - if(p[pixel[5]] > cb) - if(p[pixel[6]] > cb) - if(p[pixel[7]] > cb) - {} - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else - if(p[pixel[2]] > cb) - if(p[pixel[3]] > cb) - if(p[pixel[4]] > cb) - if(p[pixel[5]] > cb) - if(p[pixel[6]] > cb) - if(p[pixel[7]] > cb) - {} - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else if(p[pixel[8]] < c_b) - if(p[pixel[7]] < c_b) - if(p[pixel[9]] < c_b) - if(p[pixel[6]] < c_b) - if(p[pixel[5]] < c_b) - if(p[pixel[4]] < c_b) - if(p[pixel[3]] < c_b) - if(p[pixel[2]] < c_b) - {} - else - if(p[pixel[10]] < c_b) - if(p[pixel[11]] < c_b) - {} - else - continue; - else - continue; - else - if(p[pixel[10]] < c_b) - if(p[pixel[11]] < c_b) - if(p[pixel[12]] < c_b) - {} - else - continue; - else - continue; - else - continue; - else - if(p[pixel[10]] < c_b) - if(p[pixel[11]] < c_b) - if(p[pixel[12]] < c_b) - if(p[pixel[13]] < c_b) - {} - else - continue; - else - continue; - else - continue; - else - continue; - else - if(p[pixel[10]] < c_b) - if(p[pixel[11]] < c_b) - if(p[pixel[12]] < c_b) - if(p[pixel[13]] < c_b) - if(p[pixel[14]] < c_b) - {} - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else - if(p[pixel[10]] < c_b) - if(p[pixel[11]] < c_b) - if(p[pixel[12]] < c_b) - if(p[pixel[13]] < c_b) - if(p[pixel[14]] < c_b) - if(p[pixel[15]] < c_b) - {} - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else - if(p[pixel[8]] > cb) - if(p[pixel[9]] > cb) - if(p[pixel[10]] > cb) - if(p[pixel[11]] > cb) - if(p[pixel[12]] > cb) - if(p[pixel[13]] > cb) - if(p[pixel[14]] > cb) - if(p[pixel[15]] > cb) - {} - else - if(p[pixel[6]] > cb) - if(p[pixel[7]] > cb) - {} - else - continue; - else - continue; - else - if(p[pixel[5]] > cb) - if(p[pixel[6]] > cb) - if(p[pixel[7]] > cb) - {} - else - continue; - else - continue; - else - continue; - else - if(p[pixel[4]] > cb) - if(p[pixel[5]] > cb) - if(p[pixel[6]] > cb) - if(p[pixel[7]] > cb) - {} - else - continue; - else - continue; - else - continue; - else - continue; - else - if(p[pixel[3]] > cb) - if(p[pixel[4]] > cb) - if(p[pixel[5]] > cb) - if(p[pixel[6]] > cb) - if(p[pixel[7]] > cb) - {} - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else - if(p[pixel[2]] > cb) - if(p[pixel[3]] > cb) - if(p[pixel[4]] > cb) - if(p[pixel[5]] > cb) - if(p[pixel[6]] > cb) - if(p[pixel[7]] > cb) - {} - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else if(p[pixel[8]] < c_b) - if(p[pixel[7]] < c_b) - if(p[pixel[9]] < c_b) - if(p[pixel[10]] < c_b) - if(p[pixel[6]] < c_b) - if(p[pixel[5]] < c_b) - if(p[pixel[4]] < c_b) - if(p[pixel[3]] < c_b) - if(p[pixel[2]] < c_b) - {} - else - if(p[pixel[11]] < c_b) - {} - else - continue; - else - if(p[pixel[11]] < c_b) - if(p[pixel[12]] < c_b) - {} - else - continue; - else - continue; - else - if(p[pixel[11]] < c_b) - if(p[pixel[12]] < c_b) - if(p[pixel[13]] < c_b) - {} - else - continue; - else - continue; - else - continue; - else - if(p[pixel[11]] < c_b) - if(p[pixel[12]] < c_b) - if(p[pixel[13]] < c_b) - if(p[pixel[14]] < c_b) - {} - else - continue; - else - continue; - else - continue; - else - continue; - else - if(p[pixel[11]] < c_b) - if(p[pixel[12]] < c_b) - if(p[pixel[13]] < c_b) - if(p[pixel[14]] < c_b) - if(p[pixel[15]] < c_b) - {} - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else if(p[pixel[0]] < c_b) - if(p[pixel[1]] > cb) - if(p[pixel[8]] > cb) - if(p[pixel[7]] > cb) - if(p[pixel[9]] > cb) - if(p[pixel[6]] > cb) - if(p[pixel[5]] > cb) - if(p[pixel[4]] > cb) - if(p[pixel[3]] > cb) - if(p[pixel[2]] > cb) - {} - else - if(p[pixel[10]] > cb) - if(p[pixel[11]] > cb) - {} - else - continue; - else - continue; - else - if(p[pixel[10]] > cb) - if(p[pixel[11]] > cb) - if(p[pixel[12]] > cb) - {} - else - continue; - else - continue; - else - continue; - else - if(p[pixel[10]] > cb) - if(p[pixel[11]] > cb) - if(p[pixel[12]] > cb) - if(p[pixel[13]] > cb) - {} - else - continue; - else - continue; - else - continue; - else - continue; - else - if(p[pixel[10]] > cb) - if(p[pixel[11]] > cb) - if(p[pixel[12]] > cb) - if(p[pixel[13]] > cb) - if(p[pixel[14]] > cb) - {} - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else - if(p[pixel[10]] > cb) - if(p[pixel[11]] > cb) - if(p[pixel[12]] > cb) - if(p[pixel[13]] > cb) - if(p[pixel[14]] > cb) - if(p[pixel[15]] > cb) - {} - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else if(p[pixel[8]] < c_b) - if(p[pixel[9]] < c_b) - if(p[pixel[10]] < c_b) - if(p[pixel[11]] < c_b) - if(p[pixel[12]] < c_b) - if(p[pixel[13]] < c_b) - if(p[pixel[14]] < c_b) - if(p[pixel[15]] < c_b) - {} - else - if(p[pixel[6]] < c_b) - if(p[pixel[7]] < c_b) - {} - else - continue; - else - continue; - else - if(p[pixel[5]] < c_b) - if(p[pixel[6]] < c_b) - if(p[pixel[7]] < c_b) - {} - else - continue; - else - continue; - else - continue; - else - if(p[pixel[4]] < c_b) - if(p[pixel[5]] < c_b) - if(p[pixel[6]] < c_b) - if(p[pixel[7]] < c_b) - {} - else - continue; - else - continue; - else - continue; - else - continue; - else - if(p[pixel[3]] < c_b) - if(p[pixel[4]] < c_b) - if(p[pixel[5]] < c_b) - if(p[pixel[6]] < c_b) - if(p[pixel[7]] < c_b) - {} - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else - if(p[pixel[2]] < c_b) - if(p[pixel[3]] < c_b) - if(p[pixel[4]] < c_b) - if(p[pixel[5]] < c_b) - if(p[pixel[6]] < c_b) - if(p[pixel[7]] < c_b) - {} - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else if(p[pixel[1]] < c_b) - if(p[pixel[2]] > cb) - if(p[pixel[9]] > cb) - if(p[pixel[7]] > cb) - if(p[pixel[8]] > cb) - if(p[pixel[10]] > cb) - if(p[pixel[6]] > cb) - if(p[pixel[5]] > cb) - if(p[pixel[4]] > cb) - if(p[pixel[3]] > cb) - {} - else - if(p[pixel[11]] > cb) - if(p[pixel[12]] > cb) - {} - else - continue; - else - continue; - else - if(p[pixel[11]] > cb) - if(p[pixel[12]] > cb) - if(p[pixel[13]] > cb) - {} - else - continue; - else - continue; - else - continue; - else - if(p[pixel[11]] > cb) - if(p[pixel[12]] > cb) - if(p[pixel[13]] > cb) - if(p[pixel[14]] > cb) - {} - else - continue; - else - continue; - else - continue; - else - continue; - else - if(p[pixel[11]] > cb) - if(p[pixel[12]] > cb) - if(p[pixel[13]] > cb) - if(p[pixel[14]] > cb) - if(p[pixel[15]] > cb) - {} - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else if(p[pixel[9]] < c_b) - if(p[pixel[10]] < c_b) - if(p[pixel[11]] < c_b) - if(p[pixel[12]] < c_b) - if(p[pixel[13]] < c_b) - if(p[pixel[14]] < c_b) - if(p[pixel[15]] < c_b) - {} - else - if(p[pixel[6]] < c_b) - if(p[pixel[7]] < c_b) - if(p[pixel[8]] < c_b) - {} - else - continue; - else - continue; - else - continue; - else - if(p[pixel[5]] < c_b) - if(p[pixel[6]] < c_b) - if(p[pixel[7]] < c_b) - if(p[pixel[8]] < c_b) - {} - else - continue; - else - continue; - else - continue; - else - continue; - else - if(p[pixel[4]] < c_b) - if(p[pixel[5]] < c_b) - if(p[pixel[6]] < c_b) - if(p[pixel[7]] < c_b) - if(p[pixel[8]] < c_b) - {} - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else - if(p[pixel[3]] < c_b) - if(p[pixel[4]] < c_b) - if(p[pixel[5]] < c_b) - if(p[pixel[6]] < c_b) - if(p[pixel[7]] < c_b) - if(p[pixel[8]] < c_b) - {} - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else if(p[pixel[2]] < c_b) - if(p[pixel[3]] > cb) - if(p[pixel[10]] > cb) - if(p[pixel[7]] > cb) - if(p[pixel[8]] > cb) - if(p[pixel[9]] > cb) - if(p[pixel[11]] > cb) - if(p[pixel[6]] > cb) - if(p[pixel[5]] > cb) - if(p[pixel[4]] > cb) - {} - else - if(p[pixel[12]] > cb) - if(p[pixel[13]] > cb) - {} - else - continue; - else - continue; - else - if(p[pixel[12]] > cb) - if(p[pixel[13]] > cb) - if(p[pixel[14]] > cb) - {} - else - continue; - else - continue; - else - continue; - else - if(p[pixel[12]] > cb) - if(p[pixel[13]] > cb) - if(p[pixel[14]] > cb) - if(p[pixel[15]] > cb) - {} - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else if(p[pixel[10]] < c_b) - if(p[pixel[11]] < c_b) - if(p[pixel[12]] < c_b) - if(p[pixel[13]] < c_b) - if(p[pixel[14]] < c_b) - if(p[pixel[15]] < c_b) - {} - else - if(p[pixel[6]] < c_b) - if(p[pixel[7]] < c_b) - if(p[pixel[8]] < c_b) - if(p[pixel[9]] < c_b) - {} - else - continue; - else - continue; - else - continue; - else - continue; - else - if(p[pixel[5]] < c_b) - if(p[pixel[6]] < c_b) - if(p[pixel[7]] < c_b) - if(p[pixel[8]] < c_b) - if(p[pixel[9]] < c_b) - {} - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else - if(p[pixel[4]] < c_b) - if(p[pixel[5]] < c_b) - if(p[pixel[6]] < c_b) - if(p[pixel[7]] < c_b) - if(p[pixel[8]] < c_b) - if(p[pixel[9]] < c_b) - {} - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else if(p[pixel[3]] < c_b) - if(p[pixel[4]] > cb) - if(p[pixel[13]] > cb) - if(p[pixel[7]] > cb) - if(p[pixel[8]] > cb) - if(p[pixel[9]] > cb) - if(p[pixel[10]] > cb) - if(p[pixel[11]] > cb) - if(p[pixel[12]] > cb) - if(p[pixel[6]] > cb) - if(p[pixel[5]] > cb) - {} - else - if(p[pixel[14]] > cb) - {} - else - continue; - else - if(p[pixel[14]] > cb) - if(p[pixel[15]] > cb) - {} - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else if(p[pixel[13]] < c_b) - if(p[pixel[11]] > cb) - if(p[pixel[5]] > cb) - if(p[pixel[6]] > cb) - if(p[pixel[7]] > cb) - if(p[pixel[8]] > cb) - if(p[pixel[9]] > cb) - if(p[pixel[10]] > cb) - if(p[pixel[12]] > cb) - {} - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else if(p[pixel[11]] < c_b) - if(p[pixel[12]] < c_b) - if(p[pixel[14]] < c_b) - if(p[pixel[15]] < c_b) - {} - else - if(p[pixel[6]] < c_b) - if(p[pixel[7]] < c_b) - if(p[pixel[8]] < c_b) - if(p[pixel[9]] < c_b) - if(p[pixel[10]] < c_b) - {} - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else - if(p[pixel[5]] < c_b) - if(p[pixel[6]] < c_b) - if(p[pixel[7]] < c_b) - if(p[pixel[8]] < c_b) - if(p[pixel[9]] < c_b) - if(p[pixel[10]] < c_b) - {} - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else - if(p[pixel[5]] > cb) - if(p[pixel[6]] > cb) - if(p[pixel[7]] > cb) - if(p[pixel[8]] > cb) - if(p[pixel[9]] > cb) - if(p[pixel[10]] > cb) - if(p[pixel[11]] > cb) - if(p[pixel[12]] > cb) - {} - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else if(p[pixel[4]] < c_b) - if(p[pixel[5]] > cb) - if(p[pixel[14]] > cb) - if(p[pixel[7]] > cb) - if(p[pixel[8]] > cb) - if(p[pixel[9]] > cb) - if(p[pixel[10]] > cb) - if(p[pixel[11]] > cb) - if(p[pixel[12]] > cb) - if(p[pixel[13]] > cb) - if(p[pixel[6]] > cb) - {} - else - if(p[pixel[15]] > cb) - {} - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else if(p[pixel[14]] < c_b) - if(p[pixel[12]] > cb) - if(p[pixel[6]] > cb) - if(p[pixel[7]] > cb) - if(p[pixel[8]] > cb) - if(p[pixel[9]] > cb) - if(p[pixel[10]] > cb) - if(p[pixel[11]] > cb) - if(p[pixel[13]] > cb) - {} - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else if(p[pixel[12]] < c_b) - if(p[pixel[13]] < c_b) - if(p[pixel[15]] < c_b) - {} - else - if(p[pixel[6]] < c_b) - if(p[pixel[7]] < c_b) - if(p[pixel[8]] < c_b) - if(p[pixel[9]] < c_b) - if(p[pixel[10]] < c_b) - if(p[pixel[11]] < c_b) - {} - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else - if(p[pixel[6]] > cb) - if(p[pixel[7]] > cb) - if(p[pixel[8]] > cb) - if(p[pixel[9]] > cb) - if(p[pixel[10]] > cb) - if(p[pixel[11]] > cb) - if(p[pixel[12]] > cb) - if(p[pixel[13]] > cb) - {} - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else if(p[pixel[5]] < c_b) - if(p[pixel[6]] > cb) - if(p[pixel[15]] < c_b) - if(p[pixel[13]] > cb) - if(p[pixel[7]] > cb) - if(p[pixel[8]] > cb) - if(p[pixel[9]] > cb) - if(p[pixel[10]] > cb) - if(p[pixel[11]] > cb) - if(p[pixel[12]] > cb) - if(p[pixel[14]] > cb) - {} - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else if(p[pixel[13]] < c_b) - if(p[pixel[14]] < c_b) - {} - else - continue; - else - continue; - else - if(p[pixel[7]] > cb) - if(p[pixel[8]] > cb) - if(p[pixel[9]] > cb) - if(p[pixel[10]] > cb) - if(p[pixel[11]] > cb) - if(p[pixel[12]] > cb) - if(p[pixel[13]] > cb) - if(p[pixel[14]] > cb) - {} - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else if(p[pixel[6]] < c_b) - if(p[pixel[7]] > cb) - if(p[pixel[14]] > cb) - if(p[pixel[8]] > cb) - if(p[pixel[9]] > cb) - if(p[pixel[10]] > cb) - if(p[pixel[11]] > cb) - if(p[pixel[12]] > cb) - if(p[pixel[13]] > cb) - if(p[pixel[15]] > cb) - {} - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else if(p[pixel[14]] < c_b) - if(p[pixel[15]] < c_b) - {} - else - continue; - else - continue; - else if(p[pixel[7]] < c_b) - if(p[pixel[8]] < c_b) - {} - else - if(p[pixel[15]] < c_b) - {} - else - continue; - else - if(p[pixel[14]] < c_b) - if(p[pixel[15]] < c_b) - {} - else - continue; - else - continue; - else - if(p[pixel[13]] > cb) - if(p[pixel[7]] > cb) - if(p[pixel[8]] > cb) - if(p[pixel[9]] > cb) - if(p[pixel[10]] > cb) - if(p[pixel[11]] > cb) - if(p[pixel[12]] > cb) - if(p[pixel[14]] > cb) - if(p[pixel[15]] > cb) - {} - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else if(p[pixel[13]] < c_b) - if(p[pixel[14]] < c_b) - if(p[pixel[15]] < c_b) - {} - else - continue; - else - continue; - else - continue; - else - if(p[pixel[12]] > cb) - if(p[pixel[7]] > cb) - if(p[pixel[8]] > cb) - if(p[pixel[9]] > cb) - if(p[pixel[10]] > cb) - if(p[pixel[11]] > cb) - if(p[pixel[13]] > cb) - if(p[pixel[14]] > cb) - if(p[pixel[6]] > cb) - {} - else - if(p[pixel[15]] > cb) - {} - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else if(p[pixel[12]] < c_b) - if(p[pixel[13]] < c_b) - if(p[pixel[14]] < c_b) - if(p[pixel[15]] < c_b) - {} - else - if(p[pixel[6]] < c_b) - if(p[pixel[7]] < c_b) - if(p[pixel[8]] < c_b) - if(p[pixel[9]] < c_b) - if(p[pixel[10]] < c_b) - if(p[pixel[11]] < c_b) - {} - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else - if(p[pixel[11]] > cb) - if(p[pixel[7]] > cb) - if(p[pixel[8]] > cb) - if(p[pixel[9]] > cb) - if(p[pixel[10]] > cb) - if(p[pixel[12]] > cb) - if(p[pixel[13]] > cb) - if(p[pixel[6]] > cb) - if(p[pixel[5]] > cb) - {} - else - if(p[pixel[14]] > cb) - {} - else - continue; - else - if(p[pixel[14]] > cb) - if(p[pixel[15]] > cb) - {} - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else if(p[pixel[11]] < c_b) - if(p[pixel[12]] < c_b) - if(p[pixel[13]] < c_b) - if(p[pixel[14]] < c_b) - if(p[pixel[15]] < c_b) - {} - else - if(p[pixel[6]] < c_b) - if(p[pixel[7]] < c_b) - if(p[pixel[8]] < c_b) - if(p[pixel[9]] < c_b) - if(p[pixel[10]] < c_b) - {} - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else - if(p[pixel[5]] < c_b) - if(p[pixel[6]] < c_b) - if(p[pixel[7]] < c_b) - if(p[pixel[8]] < c_b) - if(p[pixel[9]] < c_b) - if(p[pixel[10]] < c_b) - {} - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else - if(p[pixel[10]] > cb) - if(p[pixel[7]] > cb) - if(p[pixel[8]] > cb) - if(p[pixel[9]] > cb) - if(p[pixel[11]] > cb) - if(p[pixel[12]] > cb) - if(p[pixel[6]] > cb) - if(p[pixel[5]] > cb) - if(p[pixel[4]] > cb) - {} - else - if(p[pixel[13]] > cb) - {} - else - continue; - else - if(p[pixel[13]] > cb) - if(p[pixel[14]] > cb) - {} - else - continue; - else - continue; - else - if(p[pixel[13]] > cb) - if(p[pixel[14]] > cb) - if(p[pixel[15]] > cb) - {} - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else if(p[pixel[10]] < c_b) - if(p[pixel[11]] < c_b) - if(p[pixel[12]] < c_b) - if(p[pixel[13]] < c_b) - if(p[pixel[14]] < c_b) - if(p[pixel[15]] < c_b) - {} - else - if(p[pixel[6]] < c_b) - if(p[pixel[7]] < c_b) - if(p[pixel[8]] < c_b) - if(p[pixel[9]] < c_b) - {} - else - continue; - else - continue; - else - continue; - else - continue; - else - if(p[pixel[5]] < c_b) - if(p[pixel[6]] < c_b) - if(p[pixel[7]] < c_b) - if(p[pixel[8]] < c_b) - if(p[pixel[9]] < c_b) - {} - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else - if(p[pixel[4]] < c_b) - if(p[pixel[5]] < c_b) - if(p[pixel[6]] < c_b) - if(p[pixel[7]] < c_b) - if(p[pixel[8]] < c_b) - if(p[pixel[9]] < c_b) - {} - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else - if(p[pixel[9]] > cb) - if(p[pixel[7]] > cb) - if(p[pixel[8]] > cb) - if(p[pixel[10]] > cb) - if(p[pixel[11]] > cb) - if(p[pixel[6]] > cb) - if(p[pixel[5]] > cb) - if(p[pixel[4]] > cb) - if(p[pixel[3]] > cb) - {} - else - if(p[pixel[12]] > cb) - {} - else - continue; - else - if(p[pixel[12]] > cb) - if(p[pixel[13]] > cb) - {} - else - continue; - else - continue; - else - if(p[pixel[12]] > cb) - if(p[pixel[13]] > cb) - if(p[pixel[14]] > cb) - {} - else - continue; - else - continue; - else - continue; - else - if(p[pixel[12]] > cb) - if(p[pixel[13]] > cb) - if(p[pixel[14]] > cb) - if(p[pixel[15]] > cb) - {} - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else if(p[pixel[9]] < c_b) - if(p[pixel[10]] < c_b) - if(p[pixel[11]] < c_b) - if(p[pixel[12]] < c_b) - if(p[pixel[13]] < c_b) - if(p[pixel[14]] < c_b) - if(p[pixel[15]] < c_b) - {} - else - if(p[pixel[6]] < c_b) - if(p[pixel[7]] < c_b) - if(p[pixel[8]] < c_b) - {} - else - continue; - else - continue; - else - continue; - else - if(p[pixel[5]] < c_b) - if(p[pixel[6]] < c_b) - if(p[pixel[7]] < c_b) - if(p[pixel[8]] < c_b) - {} - else - continue; - else - continue; - else - continue; - else - continue; - else - if(p[pixel[4]] < c_b) - if(p[pixel[5]] < c_b) - if(p[pixel[6]] < c_b) - if(p[pixel[7]] < c_b) - if(p[pixel[8]] < c_b) - {} - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else - if(p[pixel[3]] < c_b) - if(p[pixel[4]] < c_b) - if(p[pixel[5]] < c_b) - if(p[pixel[6]] < c_b) - if(p[pixel[7]] < c_b) - if(p[pixel[8]] < c_b) - {} - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else - if(p[pixel[8]] > cb) - if(p[pixel[7]] > cb) - if(p[pixel[9]] > cb) - if(p[pixel[10]] > cb) - if(p[pixel[6]] > cb) - if(p[pixel[5]] > cb) - if(p[pixel[4]] > cb) - if(p[pixel[3]] > cb) - if(p[pixel[2]] > cb) - {} - else - if(p[pixel[11]] > cb) - {} - else - continue; - else - if(p[pixel[11]] > cb) - if(p[pixel[12]] > cb) - {} - else - continue; - else - continue; - else - if(p[pixel[11]] > cb) - if(p[pixel[12]] > cb) - if(p[pixel[13]] > cb) - {} - else - continue; - else - continue; - else - continue; - else - if(p[pixel[11]] > cb) - if(p[pixel[12]] > cb) - if(p[pixel[13]] > cb) - if(p[pixel[14]] > cb) - {} - else - continue; - else - continue; - else - continue; - else - continue; - else - if(p[pixel[11]] > cb) - if(p[pixel[12]] > cb) - if(p[pixel[13]] > cb) - if(p[pixel[14]] > cb) - if(p[pixel[15]] > cb) - {} - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else if(p[pixel[8]] < c_b) - if(p[pixel[9]] < c_b) - if(p[pixel[10]] < c_b) - if(p[pixel[11]] < c_b) - if(p[pixel[12]] < c_b) - if(p[pixel[13]] < c_b) - if(p[pixel[14]] < c_b) - if(p[pixel[15]] < c_b) - {} - else - if(p[pixel[6]] < c_b) - if(p[pixel[7]] < c_b) - {} - else - continue; - else - continue; - else - if(p[pixel[5]] < c_b) - if(p[pixel[6]] < c_b) - if(p[pixel[7]] < c_b) - {} - else - continue; - else - continue; - else - continue; - else - if(p[pixel[4]] < c_b) - if(p[pixel[5]] < c_b) - if(p[pixel[6]] < c_b) - if(p[pixel[7]] < c_b) - {} - else - continue; - else - continue; - else - continue; - else - continue; - else - if(p[pixel[3]] < c_b) - if(p[pixel[4]] < c_b) - if(p[pixel[5]] < c_b) - if(p[pixel[6]] < c_b) - if(p[pixel[7]] < c_b) - {} - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else - if(p[pixel[2]] < c_b) - if(p[pixel[3]] < c_b) - if(p[pixel[4]] < c_b) - if(p[pixel[5]] < c_b) - if(p[pixel[6]] < c_b) - if(p[pixel[7]] < c_b) - {} - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else - if(p[pixel[7]] > cb) - if(p[pixel[8]] > cb) - if(p[pixel[9]] > cb) - if(p[pixel[6]] > cb) - if(p[pixel[5]] > cb) - if(p[pixel[4]] > cb) - if(p[pixel[3]] > cb) - if(p[pixel[2]] > cb) - if(p[pixel[1]] > cb) - {} - else - if(p[pixel[10]] > cb) - {} - else - continue; - else - if(p[pixel[10]] > cb) - if(p[pixel[11]] > cb) - {} - else - continue; - else - continue; - else - if(p[pixel[10]] > cb) - if(p[pixel[11]] > cb) - if(p[pixel[12]] > cb) - {} - else - continue; - else - continue; - else - continue; - else - if(p[pixel[10]] > cb) - if(p[pixel[11]] > cb) - if(p[pixel[12]] > cb) - if(p[pixel[13]] > cb) - {} - else - continue; - else - continue; - else - continue; - else - continue; - else - if(p[pixel[10]] > cb) - if(p[pixel[11]] > cb) - if(p[pixel[12]] > cb) - if(p[pixel[13]] > cb) - if(p[pixel[14]] > cb) - {} - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else - if(p[pixel[10]] > cb) - if(p[pixel[11]] > cb) - if(p[pixel[12]] > cb) - if(p[pixel[13]] > cb) - if(p[pixel[14]] > cb) - if(p[pixel[15]] > cb) - {} - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else if(p[pixel[7]] < c_b) - if(p[pixel[8]] < c_b) - if(p[pixel[9]] < c_b) - if(p[pixel[6]] < c_b) - if(p[pixel[5]] < c_b) - if(p[pixel[4]] < c_b) - if(p[pixel[3]] < c_b) - if(p[pixel[2]] < c_b) - if(p[pixel[1]] < c_b) - {} - else - if(p[pixel[10]] < c_b) - {} - else - continue; - else - if(p[pixel[10]] < c_b) - if(p[pixel[11]] < c_b) - {} - else - continue; - else - continue; - else - if(p[pixel[10]] < c_b) - if(p[pixel[11]] < c_b) - if(p[pixel[12]] < c_b) - {} - else - continue; - else - continue; - else - continue; - else - if(p[pixel[10]] < c_b) - if(p[pixel[11]] < c_b) - if(p[pixel[12]] < c_b) - if(p[pixel[13]] < c_b) - {} - else - continue; - else - continue; - else - continue; - else - continue; - else - if(p[pixel[10]] < c_b) - if(p[pixel[11]] < c_b) - if(p[pixel[12]] < c_b) - if(p[pixel[13]] < c_b) - if(p[pixel[14]] < c_b) - {} - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else - if(p[pixel[10]] < c_b) - if(p[pixel[11]] < c_b) - if(p[pixel[12]] < c_b) - if(p[pixel[13]] < c_b) - if(p[pixel[14]] < c_b) - if(p[pixel[15]] < c_b) - {} - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - else - continue; - if(num_corners == rsize) - { - rsize*=2; - ret_corners = (xy*)realloc(ret_corners, sizeof(xy)*rsize); - } - ret_corners[num_corners].x = x; - ret_corners[num_corners].y = y; - num_corners++; - - } - - *ret_num_corners = num_corners; - return ret_corners; - -} - - diff --git a/extern/libmv/third_party/fast/nonmax.c b/extern/libmv/third_party/fast/nonmax.c deleted file mode 100644 index 6ed0f580906..00000000000 --- a/extern/libmv/third_party/fast/nonmax.c +++ /dev/null @@ -1,117 +0,0 @@ -#include <stdlib.h> -#include "fast.h" - - -#define Compare(X, Y) ((X)>=(Y)) - -xy* nonmax_suppression(const xy* corners, const int* scores, int num_corners, int* ret_num_nonmax) -{ - int num_nonmax=0; - int last_row; - int* row_start; - int i, j; - xy* ret_nonmax; - const int sz = (int)num_corners; - - /*Point above points (roughly) to the pixel above the one of interest, if there - is a feature there.*/ - int point_above = 0; - int point_below = 0; - - - if(num_corners < 1) - { - *ret_num_nonmax = 0; - return 0; - } - - ret_nonmax = (xy*)malloc(num_corners * sizeof(xy)); - - /* Find where each row begins - (the corners are output in raster scan order). A beginning of -1 signifies - that there are no corners on that row. */ - last_row = corners[num_corners-1].y; - row_start = (int*)malloc((last_row+1)*sizeof(int)); - - for(i=0; i < last_row+1; i++) - row_start[i] = -1; - - { - int prev_row = -1; - for(i=0; i< num_corners; i++) - if(corners[i].y != prev_row) - { - row_start[corners[i].y] = i; - prev_row = corners[i].y; - } - } - - - - for(i=0; i < sz; i++) - { - int score = scores[i]; - xy pos = corners[i]; - - /*Check left */ - if(i > 0) - if(corners[i-1].x == pos.x-1 && corners[i-1].y == pos.y && Compare(scores[i-1], score)) - continue; - - /*Check right*/ - if(i < (sz - 1)) - if(corners[i+1].x == pos.x+1 && corners[i+1].y == pos.y && Compare(scores[i+1], score)) - continue; - - /*Check above (if there is a valid row above)*/ - if(pos.y != 0 && row_start[pos.y - 1] != -1) - { - /*Make sure that current point_above is one - row above.*/ - if(corners[point_above].y < pos.y - 1) - point_above = row_start[pos.y-1]; - - /*Make point_above point to the first of the pixels above the current point, - if it exists.*/ - for(; corners[point_above].y < pos.y && corners[point_above].x < pos.x - 1; point_above++) - {} - - - for(j=point_above; corners[j].y < pos.y && corners[j].x <= pos.x + 1; j++) - { - int x = corners[j].x; - if( (x == pos.x - 1 || x ==pos.x || x == pos.x+1) && Compare(scores[j], score)) - goto cont; - } - - } - - /*Check below (if there is anything below)*/ - if(pos.y != last_row && row_start[pos.y + 1] != -1 && point_below < sz) /*Nothing below*/ - { - if(corners[point_below].y < pos.y + 1) - point_below = row_start[pos.y+1]; - - /* Make point below point to one of the pixels belowthe current point, if it - exists.*/ - for(; point_below < sz && corners[point_below].y == pos.y+1 && corners[point_below].x < pos.x - 1; point_below++) - {} - - for(j=point_below; j < sz && corners[j].y == pos.y+1 && corners[j].x <= pos.x + 1; j++) - { - int x = corners[j].x; - if( (x == pos.x - 1 || x ==pos.x || x == pos.x+1) && Compare(scores[j],score)) - goto cont; - } - } - - ret_nonmax[num_nonmax++] = corners[i]; - cont: - ; - } - - free(row_start); - *ret_num_nonmax = num_nonmax; - return ret_nonmax; -} - |