Rectangle API: add single axis intersection check

1 files changed, 28 insertions, 7 deletions

diff --git a/source/blender/blenlib/intern/rct.c b/source/blender/blenlib/intern/rct.c
index aa36433b324..c59a0195cb6 100644
--- a/source/blender/blenlib/intern/rct.c
+++ b/source/blender/blenlib/intern/rct.c
@@ -58,6 +58,20 @@ bool BLI_rctf_is_empty(const rctf *rect)
 	return ((rect->xmax <= rect->xmin) || (rect->ymax <= rect->ymin));
 }
 
+bool BLI_rcti_isect_x(const rcti *rect, const int x)
+{
+	if (x < rect->xmin) return false;
+	if (x > rect->xmax) return false;
+	return true;
+}
+
+bool BLI_rcti_isect_y(const rcti *rect, const int y)
+{
+	if (y < rect->ymin) return false;
+	if (y > rect->ymax) return false;
+	return true;
+}
+
 bool BLI_rcti_isect_pt(const rcti *rect, const int x, const int y)
 {
 	if (x < rect->xmin) return false;
@@ -67,13 +81,6 @@ bool BLI_rcti_isect_pt(const rcti *rect, const int x, const int y)
 	return true;
 }
 
-/**
- * Determine if a rect is empty. An empty
- * rect is one with a zero (or negative)
- * width or height.
- *
- * \return True if \a rect is empty.
- */
 bool BLI_rcti_isect_pt_v(const rcti *rect, const int xy[2])
 {
 	if (xy[0] < rect->xmin) return false;
@@ -83,6 +90,20 @@ bool BLI_rcti_isect_pt_v(const rcti *rect, const int xy[2])
 	return true;
 }
 
+bool BLI_rctf_isect_x(const rctf *rect, const float x)
+{
+	if (x < rect->xmin) return false;
+	if (x > rect->xmax) return false;
+	return true;
+}
+
+bool BLI_rctf_isect_y(const rctf *rect, const float y)
+{
+	if (y < rect->ymin) return false;
+	if (y > rect->ymax) return false;
+	return true;
+}
+
 bool BLI_rctf_isect_pt(const rctf *rect, const float x, const float y)
 {
 	if (x < rect->xmin) return false;