[gdkcairo] Fix color premultiplication

https://bugzilla.gnome.org/show_bug.cgi?id=513812
2013-09-05 18:42:45 -04:00
parent 854f5818f8
commit 10601b833a
1 changed files with 1 additions and 1 deletions
--- a/gdk/gdkcairo.c
+++ b/gdk/gdkcairo.c
@ -244,7 +244,7 @@ gdk_cairo_surface_create_from_pixbuf (const GdkPixbuf *pixbuf,
          guchar *end = p + 4 * width;
          guint t1,t2,t3;

-#define MULT(d,c,a,t) G_STMT_START { t = c * a + 0x7f; d = ((t >> 8) + t) >> 8; } G_STMT_END
+#define MULT(d,c,a,t) G_STMT_START { t = c * a + 0x80; d = ((t >> 8) + t) >> 8; } G_STMT_END

          while (p < end)
            {