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| author | Jasper St. Pierre <jstpierre@mecheye.net> | 2012-04-29 04:44:53 -0400 |
|---|---|---|
| committer | Jasper St. Pierre <jstpierre@mecheye.net> | 2012-05-25 17:31:06 -0400 |
| commit | 30bc8bc6ce079a69cc933d9fe0a2d5a928be3b81 (patch) | |
| tree | aaeaf11d52e6e48dc5d657034580c841d95fc2da | |
| parent | ac18f41ed187f52d148c448984cebe2ecfe96667 (diff) | |
| download | mutter-30bc8bc6ce079a69cc933d9fe0a2d5a928be3b81.tar.gz | |
window-actor: Add a debugging tool to write a region to a PNG
Just a helper function that I keep rewriting all over the place.
https://bugzilla.gnome.org/show_bug.cgi?id=676052
| -rw-r--r-- | src/compositor/meta-window-actor.c | 22 |
1 files changed, 21 insertions, 1 deletions
diff --git a/src/compositor/meta-window-actor.c b/src/compositor/meta-window-actor.c index fb5b0c887..d7c889142 100644 --- a/src/compositor/meta-window-actor.c +++ b/src/compositor/meta-window-actor.c @@ -1684,7 +1684,7 @@ meta_window_actor_get_obscured_region (MetaWindowActor *self) #if 0 /* Print out a region; useful for debugging */ static void -dump_region (cairo_region_t *region) +print_region (cairo_region_t *region) { int n_rects; int i; @@ -1702,6 +1702,26 @@ dump_region (cairo_region_t *region) } #endif +#if 0 +/* Dump a region to a PNG file; useful for debugging */ +static void +see_region (cairo_region_t *region, + int width, + int height, + char *filename) +{ + cairo_surface_t *surface = cairo_image_surface_create (CAIRO_FORMAT_A8, width, height); + cairo_t *cr = cairo_create (surface); + + gdk_cairo_region (cr, region); + cairo_fill (cr); + + cairo_surface_write_to_png (surface, filename); + cairo_destroy (cr); + cairo_surface_destroy (surface); +} +#endif + /** * meta_window_actor_set_visible_region: * @self: a #MetaWindowActor |