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Diffstat (limited to 'extern/libmv/libmv/image/sample_test.cc')
-rw-r--r-- | extern/libmv/libmv/image/sample_test.cc | 89 |
1 files changed, 0 insertions, 89 deletions
diff --git a/extern/libmv/libmv/image/sample_test.cc b/extern/libmv/libmv/image/sample_test.cc deleted file mode 100644 index c8a0ce470c2..00000000000 --- a/extern/libmv/libmv/image/sample_test.cc +++ /dev/null @@ -1,89 +0,0 @@ -// Copyright (c) 2007, 2008 libmv authors. -// -// Permission is hereby granted, free of charge, to any person obtaining a copy -// of this software and associated documentation files (the "Software"), to -// deal in the Software without restriction, including without limitation the -// rights to use, copy, modify, merge, publish, distribute, sublicense, and/or -// sell copies of the Software, and to permit persons to whom the Software is -// furnished to do so, subject to the following conditions: -// -// The above copyright notice and this permission notice shall be included in -// all copies or substantial portions of the Software. -// -// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR -// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, -// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE -// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER -// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING -// FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS -// IN THE SOFTWARE. - -#include "libmv/image/sample.h" -#include "testing/testing.h" - -using namespace libmv; - -namespace { - -TEST(Image, Nearest) { - Array3Du image(2, 2); - image(0, 0) = 0; - image(0, 1) = 1; - image(1, 0) = 2; - image(1, 1) = 3; - EXPECT_EQ(0, SampleNearest(image, -0.4f, -0.4f)); - EXPECT_EQ(0, SampleNearest(image, 0.4f, 0.4f)); - EXPECT_EQ(3, SampleNearest(image, 0.6f, 0.6f)); - EXPECT_EQ(3, SampleNearest(image, 1.4f, 1.4f)); -} - -TEST(Image, Linear) { - Array3Df image(2, 2); - image(0, 0) = 0; - image(0, 1) = 1; - image(1, 0) = 2; - image(1, 1) = 3; - EXPECT_EQ(1.5, SampleLinear(image, 0.5, 0.5)); -} - -TEST(Image, DownsampleBy2) { - Array3Df image(2, 2); - image(0, 0) = 0; - image(0, 1) = 1; - image(1, 0) = 2; - image(1, 1) = 3; - Array3Df resampled_image; - DownsampleChannelsBy2(image, &resampled_image); - ASSERT_EQ(1, resampled_image.Height()); - ASSERT_EQ(1, resampled_image.Width()); - ASSERT_EQ(1, resampled_image.Depth()); - EXPECT_FLOAT_EQ(6./4., resampled_image(0, 0)); -} - -TEST(Image, DownsampleBy2MultiChannel) { - Array3Df image(2, 2, 3); - image(0, 0, 0) = 0; - image(0, 1, 0) = 1; - image(1, 0, 0) = 2; - image(1, 1, 0) = 3; - - image(0, 0, 1) = 5; - image(0, 1, 1) = 6; - image(1, 0, 1) = 7; - image(1, 1, 1) = 8; - - image(0, 0, 2) = 9; - image(0, 1, 2) = 10; - image(1, 0, 2) = 11; - image(1, 1, 2) = 12; - - Array3Df resampled_image; - DownsampleChannelsBy2(image, &resampled_image); - ASSERT_EQ(1, resampled_image.Height()); - ASSERT_EQ(1, resampled_image.Width()); - ASSERT_EQ(3, resampled_image.Depth()); - EXPECT_FLOAT_EQ((0+1+2+3)/4., resampled_image(0, 0, 0)); - EXPECT_FLOAT_EQ((5+6+7+8)/4., resampled_image(0, 0, 1)); - EXPECT_FLOAT_EQ((9+10+11+12)/4., resampled_image(0, 0, 2)); -} -} // namespace |