--- a/libgfx.c	Sun Nov 11 14:36:17 2012 +0200
+++ b/libgfx.c	Mon Nov 12 17:21:33 2012 +0200
@@ -15,6 +15,17 @@
 #endif
 
 
+BOOL dmCompareColor(const DMColor *c1, const DMColor *c2, BOOL alpha)
+{
+    if (c1->r == c2->r &&
+        c1->g == c2->g &&
+        c1->b == c2->b)
+        return alpha ? (c1->a == c2->a) : TRUE;
+    else
+        return FALSE;
+}
+
+
 DMImage * dmImageAlloc(int width, int height)
 {
     DMImage *img = dmCalloc(1, sizeof(DMImage));