* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
*/
-/* $Id: glue.c,v 1.8 2007/09/07 07:38:22 espen Exp $ */
+/* $Id: glue.c,v 1.9 2008/11/06 17:27:39 espen Exp $ */
#include <gdk/gdk.h>
+#include <gdk-pixbuf/gdk-pixbuf.h>
#ifdef GDK_WINDOWING_X11
#include <gdk/gdkx.h>
return NULL;
#endif
}
+
+void clg_gdk_pixbuf_swap_rgb (GdkPixbuf *pixbuf)
+{
+
+ int n_channels = gdk_pixbuf_get_n_channels (pixbuf);
+ guchar *p, *pixels = gdk_pixbuf_get_pixels (pixbuf);
+ int width = gdk_pixbuf_get_width (pixbuf);
+ int height = gdk_pixbuf_get_height (pixbuf);
+ int rowstride = gdk_pixbuf_get_rowstride (pixbuf);
+ int x, y;
+
+ g_assert (gdk_pixbuf_get_bits_per_sample (pixbuf) == 8);
+ g_assert (gdk_pixbuf_get_has_alpha (pixbuf));
+ g_assert (n_channels == 4);
+
+ for (y = 0; y < height; y++) {
+ for (x = 0; x < width; x++) {
+ p = pixels + y * rowstride + x * n_channels;
+ guint tmp = p[0];
+ p[0] = p[2];
+ p[2] = tmp;
+ }
+ }
+}
+