callisto-debian/gtk3
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

examples: Port example to use cairo region API

Browse Source 
https://bugzilla.gnome.org/show_bug.cgi?id=613284
This commit is contained in:
Benjamin Otte
2010-06-28 16:19:30 +02:00
parent 300e6b84cd
commit 6c5dffd1a3
1 changed files with 4 additions and 3 deletions
Download Patch File Download Diff File Expand all files Collapse all files

7
examples/gdk/composited-window-example.c
View File

@ -45,7 +45,7 @@ static gboolean
window_expose_event (GtkWidget *widget,
GdkEventExpose *event)
{
GdkRegion *region;
cairo_region_t *region;
GtkWidget *child;
cairo_t *cr;
@ -61,10 +61,11 @@ window_expose_event (GtkWidget *widget,
child->allocation.y);
/* draw no more than our expose event intersects our child */
region = gdk_region_rectangle (&child->allocation);
gdk_region_intersect (region, event->region);
region = cairo_region_create_rectangle (&child->allocation);
cairo_region_intersect (region, region, event->region);
gdk_cairo_region (cr, region);
cairo_clip (cr);
cairo_region_destroy (region);
/* composite, with a 50% opacity */
cairo_set_operator (cr, CAIRO_OPERATOR_OVER);