diff options
Diffstat (limited to 'common/rect.h')
| -rw-r--r-- | common/rect.h | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/common/rect.h b/common/rect.h index 2bd3affafe..8d1243f7e4 100644 --- a/common/rect.h +++ b/common/rect.h @@ -170,6 +170,20 @@ struct Rect { } /** + * Find the intersecting rectangle between this rectangle and the given rectangle + * + * @param r the intersecting rectangle + * + * @return the intersection of the rectangles or an empty rectangle if not intersecting + */ + Rect findIntersectingRect(const Rect &r) const { + if (!intersects(r)) + return Rect(); + + return Rect(MAX(r.left, left), MAX(r.top, top), MIN(r.right, right), MIN(r.bottom, bottom)); + } + + /** * Extend this rectangle so that it contains r * * @param r the rectangle to extend by |