(r1).height == (r2).height)
#define RECT_CONTAINS(r, x, y) \
- (x >= (r).x && x < (r).x + (r).width && \
- y >= (r).y && y < (r).y + (r).height)
+ ((x) >= (r).x && (x) < (r).x + (r).width && \
+ (y) >= (r).y && (y) < (r).y + (r).height)
+#define RECT_CONTAINS_RECT(r, o) \
+ ((o).x >= (r).x && (o).x + (o).width <= (r).x + (r).width && \
+ (o).y >= (r).y && (o).y + (o).height <= (r).y + (r).height)
+#define RECT_INTERSECTS_RECT(r, o) \
+ ((o).x < (r).x + (r).width && (o).x + (o).width > (r).x && \
+ (o).y < (r).y + (r).height && (o).y + (o).height > (r).y)
typedef struct Strut {
int left;