util/box: introduce wlr_fbox_empty

Same as wlr_box_empty, but for wlr_fbox.
This commit is contained in:
Simon Ser 2021-09-20 17:51:31 +02:00 committed by Simon Zeni
parent 7939bf8cc6
commit fdc22449d6
2 changed files with 15 additions and 3 deletions

View file

@ -42,7 +42,7 @@ struct wlr_fbox {
/**
* Finds the closest point within the box bounds
*
*
* Returns NAN if the box is empty
*/
void wlr_box_closest_point(const struct wlr_box *box, double x, double y,
@ -59,7 +59,7 @@ bool wlr_box_intersection(struct wlr_box *dest, const struct wlr_box *box_a,
/**
* Verifies if a point is contained within the bounds of a given wlr_box.
*
* For example:
* For example:
* - A point at (100, 50) is not contained in the box (0, 0, 100, 50).
* - A point at (10, 10) is contained in the box (10, 0, 50, 50).
*/
@ -67,7 +67,7 @@ bool wlr_box_contains_point(const struct wlr_box *box, double x, double y);
/**
* Checks whether a box is empty or not.
*
*
* A wlr_box is considered empty if its width and/or height is zero or negative.
*/
bool wlr_box_empty(const struct wlr_box *box);
@ -78,9 +78,17 @@ bool wlr_box_empty(const struct wlr_box *box);
void wlr_box_transform(struct wlr_box *dest, const struct wlr_box *box,
enum wl_output_transform transform, int width, int height);
/**
* Checks whether a box is empty or not.
*
* A wlr_box is considered empty if its width and/or height is zero or negative.
*/
bool wlr_fbox_empty(const struct wlr_fbox *box);
/**
* Transforms a floating-point box inside a (0, 0, width, height) box.
*/
void wlr_fbox_transform(struct wlr_fbox *dest, const struct wlr_fbox *box,
enum wl_output_transform transform, double width, double height);
#endif

View file

@ -120,6 +120,10 @@ void wlr_box_transform(struct wlr_box *dest, const struct wlr_box *box,
}
}
bool wlr_fbox_empty(const struct wlr_fbox *box) {
return box == NULL || box->width <= 0 || box->height <= 0;
}
void wlr_fbox_transform(struct wlr_fbox *dest, const struct wlr_fbox *box,
enum wl_output_transform transform, double width, double height) {
struct wlr_fbox src = *box;