+ for (int j = 0; j < image.GetHeight(); j++)
+ for (int i = 0; i < image.GetWidth(); i++)
+ {
+ if ((data[index] == red) &&
+ (data[index+1] == green) &&
+ (data[index+2] == blue))
+ {
+ gdk_image_put_pixel( mask_image, i, j, 1 );
+ }
+ else
+ {
+ gdk_image_put_pixel( mask_image, i, j, 1 );
+ }
+ index += 3;
+ }
+
+ GdkGC *mask_gc = gdk_gc_new( m_bitmap );
+
+ gdk_draw_image( m_bitmap, mask_gc, mask_image, 0, 0, 0, 0, image.GetWidth(), image.GetHeight() );
+
+ gdk_gc_unref( mask_gc );
+ gdk_image_destroy( mask_image );