labwc/include/common/box.h
John Lindgren 22e50aa4e2 common/box: add box_fit_within()
Factor out common math from ssd's get_scale_box() for use elsewhere.
2024-10-06 21:30:33 -04:00

26 lines
822 B
C

/* SPDX-License-Identifier: GPL-2.0-only */
#ifndef LABWC_BOX_H
#define LABWC_BOX_H
#include <wlr/util/box.h>
bool box_contains(struct wlr_box *box_super, struct wlr_box *box_sub);
bool box_intersects(struct wlr_box *box_a, struct wlr_box *box_b);
/* Returns the bounding box of 2 boxes */
void box_union(struct wlr_box *box_dest, struct wlr_box *box_a,
struct wlr_box *box_b);
/*
* Fits and centers a content box (width & height) within a bounding box
* (max_width & max_height). The content box is downscaled if necessary
* (preserving aspect ratio) but not upscaled.
*
* The returned x & y coordinates are the centered content position
* relative to the top-left corner of the bounding box.
*/
struct wlr_box box_fit_within(int width, int height, int max_width,
int max_height);
#endif /* LABWC_BOX_H */