diff options
Diffstat (limited to 'source/blender/blenlib/intern/rct.c')
-rw-r--r-- | source/blender/blenlib/intern/rct.c | 50 |
1 files changed, 34 insertions, 16 deletions
diff --git a/source/blender/blenlib/intern/rct.c b/source/blender/blenlib/intern/rct.c index b36c3c717c0..b4397ea4546 100644 --- a/source/blender/blenlib/intern/rct.c +++ b/source/blender/blenlib/intern/rct.c @@ -38,17 +38,17 @@ #include "DNA_vec_types.h" #include "BLI_rect.h" -int BLI_rcti_is_empty(rcti *rect) +int BLI_rcti_is_empty(const rcti *rect) { return ((rect->xmax <= rect->xmin) || (rect->ymax <= rect->ymin)); } -int BLI_rctf_is_empty(rctf *rect) +int BLI_rctf_is_empty(const rctf *rect) { return ((rect->xmax <= rect->xmin) || (rect->ymax <= rect->ymin)); } -int BLI_in_rcti(rcti *rect, int x, int y) +int BLI_in_rcti(const rcti *rect, const int x, const int y) { if (x < rect->xmin) return 0; if (x > rect->xmax) return 0; @@ -57,7 +57,16 @@ int BLI_in_rcti(rcti *rect, int x, int y) return 1; } -int BLI_in_rctf(rctf *rect, float x, float y) +int BLI_in_rcti_v(const rcti *rect, const int xy[2]) +{ + if (xy[0] < rect->xmin) return 0; + if (xy[0] > rect->xmax) return 0; + if (xy[1] < rect->ymin) return 0; + if (xy[1] > rect->ymax) return 0; + return 1; +} + +int BLI_in_rctf(const rctf *rect, const float x, const float y) { if (x < rect->xmin) return 0; if (x > rect->xmax) return 0; @@ -66,6 +75,15 @@ int BLI_in_rctf(rctf *rect, float x, float y) return 1; } +int BLI_in_rctf_v(const rctf *rect, const float xy[2]) +{ + if (xy[0] < rect->xmin) return 0; + if (xy[0] > rect->xmax) return 0; + if (xy[1] < rect->ymin) return 0; + if (xy[1] > rect->ymax) return 0; + return 1; +} + /* based closely on 'isect_line_line_v2_int', but in modified so corner cases are treated as intersections */ static int isect_segments(const int v1[2], const int v2[2], const int v3[2], const int v4[2]) { @@ -80,7 +98,7 @@ static int isect_segments(const int v1[2], const int v2[2], const int v3[2], con } } -int BLI_segment_in_rcti(rcti *rect, int s1[2], int s2[2]) +int BLI_segment_in_rcti(const rcti *rect, const int s1[2], const int s2[2]) { /* first do outside-bounds check for both points of the segment */ if (s1[0] < rect->xmin && s2[0] < rect->xmin) return 0; @@ -89,7 +107,7 @@ int BLI_segment_in_rcti(rcti *rect, int s1[2], int s2[2]) if (s1[1] > rect->ymax && s2[1] > rect->ymax) return 0; /* if either points intersect then we definetly intersect */ - if (BLI_in_rcti(rect, s1[0], s1[1]) || BLI_in_rcti(rect, s2[0], s2[1])) { + if (BLI_in_rcti_v(rect, s1) || BLI_in_rcti_v(rect, s2)) { return 1; } else { @@ -115,7 +133,7 @@ int BLI_segment_in_rcti(rcti *rect, int s1[2], int s2[2]) } } -void BLI_union_rctf(rctf *rct1, rctf *rct2) +void BLI_union_rctf(rctf *rct1, const rctf *rct2) { if (rct1->xmin > rct2->xmin) rct1->xmin = rct2->xmin; if (rct1->xmax < rct2->xmax) rct1->xmax = rct2->xmax; @@ -123,7 +141,7 @@ void BLI_union_rctf(rctf *rct1, rctf *rct2) if (rct1->ymax < rct2->ymax) rct1->ymax = rct2->ymax; } -void BLI_union_rcti(rcti *rct1, rcti *rct2) +void BLI_union_rcti(rcti *rct1, const rcti *rct2) { if (rct1->xmin > rct2->xmin) rct1->xmin = rct2->xmin; if (rct1->xmax < rct2->xmax) rct1->xmax = rct2->xmax; @@ -207,7 +225,7 @@ void BLI_resize_rctf(rctf *rect, float x, float y) rect->ymax = rect->ymin + y; } -int BLI_isect_rctf(rctf *src1, rctf *src2, rctf *dest) +int BLI_isect_rctf(const rctf *src1, const rctf *src2, rctf *dest) { float xmin, xmax; float ymin, ymax; @@ -237,7 +255,7 @@ int BLI_isect_rctf(rctf *src1, rctf *src2, rctf *dest) } } -int BLI_isect_rcti(rcti *src1, rcti *src2, rcti *dest) +int BLI_isect_rcti(const rcti *src1, const rcti *src2, rcti *dest) { int xmin, xmax; int ymin, ymax; @@ -269,19 +287,19 @@ int BLI_isect_rcti(rcti *src1, rcti *src2, rcti *dest) void BLI_copy_rcti_rctf(rcti *tar, const rctf *src) { - tar->xmin = floor(src->xmin + 0.5f); - tar->xmax = floor((src->xmax - src->xmin) + 0.5f); - tar->ymin = floor(src->ymin + 0.5f); - tar->ymax = floor((src->ymax - src->ymin) + 0.5f); + tar->xmin = floorf(src->xmin + 0.5f); + tar->xmax = floorf((src->xmax - src->xmin) + 0.5f); + tar->ymin = floorf(src->ymin + 0.5f); + tar->ymax = floorf((src->ymax - src->ymin) + 0.5f); } -void print_rctf(const char *str, rctf *rect) +void print_rctf(const char *str, const rctf *rect) { printf("%s: xmin %.3f, xmax %.3f, ymin %.3f, ymax %.3f (%.3fx%.3f)\n", str, rect->xmin, rect->xmax, rect->ymin, rect->ymax, rect->xmax - rect->xmin, rect->ymax - rect->ymin); } -void print_rcti(const char *str, rcti *rect) +void print_rcti(const char *str, const rcti *rect) { printf("%s: xmin %d, xmax %d, ymin %d, ymax %d (%dx%d)\n", str, rect->xmin, rect->xmax, rect->ymin, rect->ymax, rect->xmax - rect->xmin, rect->ymax - rect->ymin); |