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util/box: Introduce wlr_box_contains_box

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This commit is contained in:
Alexander Orzechowski 2024-08-03 17:27:13 -04:00
parent 8730ca9661
commit 4b4ca11f6f
2 changed files with 19 additions and 0 deletions
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8
include/wlr/util/box.h
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@ -71,6 +71,14 @@ bool wlr_box_intersection(struct wlr_box *dest, const struct wlr_box *box_a,
*/
bool wlr_box_contains_point(const struct wlr_box *box, double x, double y);
/**
* Verifies that a box is fully contained within another box.
*
* Returns true if the "smaller" box is fully contained within the "bigger" box.
* If either of the boxes are empty, false is returned.
*/
bool wlr_box_contains_box(const struct wlr_box *bigger, const struct wlr_box *smaller);
/**
* Checks whether a box is empty or not.
*

11
util/box.c
View file

@ -79,6 +79,17 @@ bool wlr_box_contains_point(const struct wlr_box *box, double x, double y) {
}
}
bool wlr_box_contains_box(const struct wlr_box *bigger, const struct wlr_box *smaller) {
if (wlr_box_empty(bigger) || wlr_box_empty(smaller)) {
return false;
}
return smaller->x >= bigger->x &&
smaller->x + smaller->width <= bigger->x + bigger->width &&
smaller->y >= bigger->y &&
smaller->y + smaller->height <= bigger->y + bigger->height;
}
void wlr_box_transform(struct wlr_box *dest, const struct wlr_box *box,
enum wl_output_transform transform, int width, int height) {
struct wlr_box src = {0};