Always make offscreen window rgba

This fixes issues where the new default bg of transparent
didn't work, making offscreen windows black.

I don't think this is a practical performance problem.
Offscreen windows are rarely used and generally used for
graphics tricks like alpha anyway.
This commit is contained in:
Alexander Larsson 2012-02-13 15:04:32 +01:00
parent 2d972058ab
commit 42c2d51ad9

View File

@ -145,19 +145,12 @@ _gdk_offscreen_window_create_surface (GdkWindow *offscreen,
{
cairo_surface_t *similar;
cairo_surface_t *surface;
cairo_content_t content = CAIRO_CONTENT_COLOR;
g_return_val_if_fail (GDK_IS_OFFSCREEN_WINDOW (offscreen->impl), NULL);
similar = _gdk_window_ref_cairo_surface (offscreen->parent);
if (gdk_window_get_visual (offscreen) ==
gdk_screen_get_rgba_visual (gdk_window_get_screen (offscreen)))
{
content = CAIRO_CONTENT_COLOR_ALPHA;
}
surface = cairo_surface_create_similar (similar, content, width, height);
surface = cairo_surface_create_similar (similar, CAIRO_CONTENT_COLOR_ALPHA, width, height);
cairo_surface_destroy (similar);