BLI_rct: Utilities for sanitizing coordinates (ensuring min <= max)

This might be useful in some places. Much of the code makes the implicit
assumption that the rectangle has valid coordinate order, good to make
it more explicit.

1 files changed, 4 insertions, 0 deletions

diff --git a/source/blender/blenlib/BLI_rect.h b/source/blender/blenlib/BLI_rect.h
index e3cd70f7413..fdb4fe30f1c 100644
--- a/source/blender/blenlib/BLI_rect.h
+++ b/source/blender/blenlib/BLI_rect.h
@@ -39,6 +39,10 @@ bool BLI_rcti_is_empty(const struct rcti *rect);
 bool BLI_rctf_is_empty(const struct rctf *rect);
 void BLI_rctf_init(struct rctf *rect, float xmin, float xmax, float ymin, float ymax);
 void BLI_rcti_init(struct rcti *rect, int xmin, int xmax, int ymin, int ymax);
+bool BLI_rctf_is_valid(const struct rctf *rect);
+bool BLI_rcti_is_valid(const struct rcti *rect);
+void BLI_rctf_sanitize(struct rctf *rect);
+void BLI_rcti_sanitize(struct rcti *rect);
 void BLI_rctf_init_pt_radius(struct rctf *rect, const float xy[2], float size);
 void BLI_rcti_init_pt_radius(struct rcti *rect, const int xy[2], int size);
 void BLI_rcti_init_minmax(struct rcti *rect);