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This commit is contained in:
o9000
2017-11-14 11:04:55 +01:00
parent 8ba1f26309
commit 7ddb373cb4
1 changed files with 5 additions and 1 deletions
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6
src/util/window.c
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@@ -367,8 +367,12 @@ cairo_surface_t *get_window_thumbnail(Window win)
th = 128; th = 128;
tw = w * th / h; tw = w * th / h;
XWindowAttributes wa;
if (!XGetWindowAttributes(server.display, win, &wa))
return NULL;
cairo_surface_t *x11_surface = cairo_surface_t *x11_surface =
cairo_xlib_surface_create(server.display, win, DefaultVisual(server.display, server.screen), w, h); cairo_xlib_surface_create(server.display, win, wa.visual, w, h);
cairo_surface_t *image_surface = cairo_surface_create_similar_image(x11_surface, CAIRO_FORMAT_ARGB32, tw, th); cairo_surface_t *image_surface = cairo_surface_create_similar_image(x11_surface, CAIRO_FORMAT_ARGB32, tw, th);
cairo_t *cr = cairo_create(image_surface); cairo_t *cr = cairo_create(image_surface);