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author | Alberts Muktupāvels <alberts.muktupavels@gmail.com> | 2015-01-20 16:19:26 +0200 |
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committer | Alberts Muktupāvels <alberts.muktupavels@gmail.com> | 2015-01-20 16:19:26 +0200 |
commit | 289704721b9dcf5c902ecdffcd9029b894c769de (patch) | |
tree | 4665198c1af2e9eea4a7be483b19e7352162598b /src/compositor/compositor-xrender.c | |
parent | 088b5704e51013571cdfab38310136115ed91fa6 (diff) | |
download | metacity-289704721b9dcf5c902ecdffcd9029b894c769de.tar.gz |
compositor: add function to convert cairo region to xserver region
Diffstat (limited to 'src/compositor/compositor-xrender.c')
-rw-r--r-- | src/compositor/compositor-xrender.c | 29 |
1 files changed, 29 insertions, 0 deletions
diff --git a/src/compositor/compositor-xrender.c b/src/compositor/compositor-xrender.c index dd993299..2d2588ff 100644 --- a/src/compositor/compositor-xrender.c +++ b/src/compositor/compositor-xrender.c @@ -599,6 +599,35 @@ double shadow_offsets_y[LAST_SHADOW_TYPE] = {SHADOW_SMALL_OFFSET_Y, SHADOW_MEDIUM_OFFSET_Y, SHADOW_LARGE_OFFSET_Y}; +static XserverRegion +cairo_region_to_xserver_region (Display *xdisplay, + cairo_region_t *region) +{ + int n_rects, i; + XRectangle *rects; + XserverRegion xregion; + + n_rects = cairo_region_num_rectangles (region); + rects = g_new (XRectangle, n_rects); + + for (i = 0; i < n_rects; i++) + { + cairo_rectangle_int_t rect; + + cairo_region_get_rectangle (region, i, &rect); + + rects[i].x = rect.x; + rects[i].y = rect.y; + rects[i].width = rect.width; + rects[i].height = rect.height; + } + + xregion = XFixesCreateRegion (xdisplay, rects, n_rects); + g_free (rects); + + return xregion; +} + static void shadow_clip (Display *xdisplay, Picture shadow_picture, |