diff options
author | Campbell Barton <ideasman42@gmail.com> | 2013-12-06 11:48:55 +0400 |
---|---|---|
committer | Campbell Barton <ideasman42@gmail.com> | 2013-12-06 11:48:55 +0400 |
commit | 72d950ba497058eb4e75e3898d626938b6a7940a (patch) | |
tree | 1c3edf38c5c17e267dff325b9295dc9e17686fd3 /source | |
parent | d74d6c7c1d18edfd4d066f59743dc82a3145c5b2 (diff) |
Rectangle API: add single axis intersection check
Diffstat (limited to 'source')
-rw-r--r-- | source/blender/blenlib/BLI_rect.h | 4 | ||||
-rw-r--r-- | source/blender/blenlib/intern/rct.c | 35 |
2 files changed, 32 insertions, 7 deletions
diff --git a/source/blender/blenlib/BLI_rect.h b/source/blender/blenlib/BLI_rect.h index 0fee9264191..dddfb8c6ea9 100644 --- a/source/blender/blenlib/BLI_rect.h +++ b/source/blender/blenlib/BLI_rect.h @@ -68,8 +68,12 @@ bool BLI_rctf_compare(const struct rctf *rect_a, const struct rctf *rect_b, cons bool BLI_rcti_compare(const struct rcti *rect_a, const struct rcti *rect_b); bool BLI_rctf_isect(const struct rctf *src1, const struct rctf *src2, struct rctf *dest); bool BLI_rcti_isect(const struct rcti *src1, const struct rcti *src2, struct rcti *dest); +bool BLI_rcti_isect_x(const rcti *rect, const int x); +bool BLI_rcti_isect_y(const rcti *rect, const int y); bool BLI_rcti_isect_pt(const struct rcti *rect, const int x, const int y); bool BLI_rcti_isect_pt_v(const struct rcti *rect, const int xy[2]); +bool BLI_rctf_isect_x(const rctf *rect, const float x); +bool BLI_rctf_isect_y(const rctf *rect, const float y); bool BLI_rctf_isect_pt(const struct rctf *rect, const float x, const float y); bool BLI_rctf_isect_pt_v(const struct rctf *rect, const float xy[2]); bool BLI_rcti_isect_segment(const struct rcti *rect, const int s1[2], const int s2[2]); 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; |