diff options
| author | Campbell Barton <ideasman42@gmail.com> | 2012-09-22 16:23:17 +0400 |
|---|---|---|
| committer | Campbell Barton <ideasman42@gmail.com> | 2012-09-22 16:23:17 +0400 |
| commit | 3ff23b753e405bf3b434f834815e08c49fde8a2b (patch) | |
| tree | c01fbbaa93512aaf611dcab575c2f82067029069 /source/blender/blenlib/intern/rct.c | |
| parent | 76850d80b148bf681ecef9a839596e0d1b2047cb (diff) | |
rect/point clamping function: BLI_rct*_clamp_pt_v
Diffstat (limited to 'source/blender/blenlib/intern/rct.c')
| -rw-r--r-- | source/blender/blenlib/intern/rct.c | 21 |
1 files changed, 21 insertions, 0 deletions
diff --git a/source/blender/blenlib/intern/rct.c b/source/blender/blenlib/intern/rct.c index fd0dac5bc3d..cab383b60f3 100644 --- a/source/blender/blenlib/intern/rct.c +++ b/source/blender/blenlib/intern/rct.c @@ -281,6 +281,27 @@ void BLI_rctf_interp(rctf *rect, const rctf *rect_a, const rctf *rect_b, const f /* BLI_rcti_interp() not needed yet */ + +int BLI_rctf_clamp_pt_v(const struct rctf *rect, float xy[2]) +{ + int change = 0; + if (xy[0] < rect->xmin) { xy[0] = rect->xmin; change = 1; } + if (xy[0] > rect->xmax) { xy[0] = rect->xmax; change = 1; } + if (xy[1] < rect->ymin) { xy[1] = rect->ymin; change = 1; } + if (xy[1] > rect->ymax) { xy[1] = rect->ymax; change = 1; } + return change; +} + +int BLI_rcti_clamp_pt_v(const struct rcti *rect, int xy[2]) +{ + int change = 0; + if (xy[0] < rect->xmin) { xy[0] = rect->xmin; change = 1; } + if (xy[0] > rect->xmax) { xy[0] = rect->xmax; change = 1; } + if (xy[1] < rect->ymin) { xy[1] = rect->ymin; change = 1; } + if (xy[1] > rect->ymax) { xy[1] = rect->ymax; change = 1; } + return change; +} + int BLI_rctf_compare(const struct rctf *rect_a, const struct rctf *rect_b, const float limit) { if (fabsf(rect_a->xmin - rect_b->xmin) < limit) |