diff options
| author | Simon Ser <contact@emersion.fr> | 2020-06-08 17:21:10 +0200 |
|---|---|---|
| committer | Drew DeVault <sir@cmpwn.com> | 2020-06-17 09:10:54 -0600 |
| commit | 00ccb89288d8d64c2f47282e74cf59967be7178b (patch) | |
| tree | d8825dfea831214ddb15571196e36a3f2aac5d82 | |
| parent | 9814213a91e7ceb0f8d422c45562fe0c5e74f2a9 (diff) | |
util/region: add wlr_region_scale_xy
| -rw-r--r-- | include/wlr/util/region.h | 3 | ||||
| -rw-r--r-- | util/region.c | 15 |
2 files changed, 13 insertions, 5 deletions
diff --git a/include/wlr/util/region.h b/include/wlr/util/region.h index c3dbd78a..9e193722 100644 --- a/include/wlr/util/region.h +++ b/include/wlr/util/region.h @@ -30,6 +30,9 @@ void wlr_region_scale(pixman_region32_t *dst, pixman_region32_t *src, float scale); +void wlr_region_scale_xy(pixman_region32_t *dst, pixman_region32_t *src, + float scale_x, float scale_y); + /** * Applies a transform to a region inside a box of size `width` x `height`. */ diff --git a/util/region.c b/util/region.c index bfec4ed4..f39f0469 100644 --- a/util/region.c +++ b/util/region.c @@ -7,7 +7,12 @@ void wlr_region_scale(pixman_region32_t *dst, pixman_region32_t *src, float scale) { - if (scale == 1) { + wlr_region_scale_xy(dst, src, scale, scale); +} + +void wlr_region_scale_xy(pixman_region32_t *dst, pixman_region32_t *src, + float scale_x, float scale_y) { + if (scale_x == 1.0 && scale_y == 1.0) { pixman_region32_copy(dst, src); return; } @@ -21,10 +26,10 @@ void wlr_region_scale(pixman_region32_t *dst, pixman_region32_t *src, } for (int i = 0; i < nrects; ++i) { - dst_rects[i].x1 = floor(src_rects[i].x1 * scale); - dst_rects[i].x2 = ceil(src_rects[i].x2 * scale); - dst_rects[i].y1 = floor(src_rects[i].y1 * scale); - dst_rects[i].y2 = ceil(src_rects[i].y2 * scale); + dst_rects[i].x1 = floor(src_rects[i].x1 * scale_x); + dst_rects[i].x2 = ceil(src_rects[i].x2 * scale_x); + dst_rects[i].y1 = floor(src_rects[i].y1 * scale_y); + dst_rects[i].y2 = ceil(src_rects[i].y2 * scale_y); } pixman_region32_fini(dst); |