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util/box: Use integer min/max for intersection

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wlr_box_intersection only operates on integers, so we shouldn't use
fmin/fmax. Do the usual and add a local integer min/max helper.
This commit is contained in:
Kenny Levinsen 2026-02-26 16:24:16 +01:00 • committed by Simon Ser
parent 9a931d9ffa
commit 285cee5f3a
1 changed files with 12 additions and 4 deletions
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16
util/box.c
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@ -4,6 +4,14 @@
#include <wlr/util/box.h>
#include <wlr/util/log.h>
static int max(int a, int b) {
return a > b ? a : b;
}
static int min(int a, int b) {
return a < b ? a : b;
}
void wlr_box_closest_point(const struct wlr_box *box, double x, double y,
double *dest_x, double *dest_y) {
// if box is empty, then it contains no points, so no closest point either
@ -56,10 +64,10 @@ bool wlr_box_intersection(struct wlr_box *dest, const struct wlr_box *box_a,
return false;
}
int x1 = fmax(box_a->x, box_b->x);
int y1 = fmax(box_a->y, box_b->y);
int x2 = fmin(box_a->x + box_a->width, box_b->x + box_b->width);
int y2 = fmin(box_a->y + box_a->height, box_b->y + box_b->height);
int x1 = max(box_a->x, box_b->x);
int y1 = max(box_a->y, box_b->y);
int x2 = min(box_a->x + box_a->width, box_b->x + box_b->width);
int y2 = min(box_a->y + box_a->height, box_b->y + box_b->height);
dest->x = x1;
dest->y = y1;