--- rxvt-unicode/src/rxvtimg.C	2012/06/05 15:18:23	1.22
+++ rxvt-unicode/src/rxvtimg.C	2012/06/06 18:13:03	1.26
@@ -67,6 +67,8 @@
 
   img->render_pixbuf (pb, 0, 0, img->w, img->h, 0, 0);
 
+  g_object_unref (pb);
+
   return img;
 }
 
@@ -214,6 +216,9 @@
   XRenderFillRectangle (dpy, PictOpSrc, src, &mask_c, 0, 0, 1, 1);
 
   XRenderComposite (dpy, PictOpAdd, src, None, dst, 0, 0, 0, 0, 0, 0, w, h);
+
+  XRenderFreePicture (dpy, src);
+  XRenderFreePicture (dpy, dst);
 }
 
 void
@@ -234,6 +239,9 @@
   XRenderFillRectangle (dpy, PictOpSrc, src, &mask_c, 0, 0, 1, 1);
 
   XRenderComposite (dpy, PictOpMultiply, src, None, dst, 0, 0, 0, 0, 0, 0, w, h);
+
+  XRenderFreePicture (dpy, src);
+  XRenderFreePicture (dpy, dst);
 }
 
 bool
@@ -288,18 +296,6 @@
   unsigned char *row = gdk_pixbuf_get_pixels (pixbuf) + src_y * rowstride + src_x * channels;
   char *line = ximage->data;
 
-  rgba c (0, 0, 0);
-
-  if (channels == 4 && alpha_mask == 0)
-    {
-      //pix_colors[Color_bg].get (c);
-      //TODO
-      c.r = 0xffff; c.g = 0xc0c0; c.b = 0xcbcb;//D
-      c.r >>= 8;
-      c.g >>= 8;
-      c.b >>= 8;
-    }
-
   for (int y = 0; y < height; y++)
     {
       for (int x = 0; x < width; x++)
@@ -311,9 +307,9 @@
           if (channels == 4)
             {
               a = pixel[3];
-              r = (pixel[0] * a + c.r * (0xff - a)) / 0xff;
-              g = (pixel[1] * a + c.g * (0xff - a)) / 0xff;
-              b = (pixel[2] * a + c.b * (0xff - a)) / 0xff;
+              r = pixel[0] * a / 0xff;
+              g = pixel[1] * a / 0xff;
+              b = pixel[2] * a / 0xff;
             }
           else
             {
@@ -447,5 +443,31 @@
   return img;
 }
 
+rxvt_img *
+rxvt_img::blend (rxvt_img *img, double factor)
+{
+  rxvt_img *img2 = clone ();
+  Display *dpy = s->display->dpy;
+  Picture src = XRenderCreatePicture (dpy, img->pm, img->format, 0, 0);
+  Picture dst = XRenderCreatePicture (dpy, img2->pm, img2->format, 0, 0);
+  Picture mask = create_xrender_mask (dpy, img->pm, False);
+
+  XRenderColor mask_c;
+
+  mask_c.alpha = float_to_component (factor);
+  mask_c.red   =
+  mask_c.green =
+  mask_c.blue  = 0;
+  XRenderFillRectangle (dpy, PictOpSrc, mask, &mask_c, 0, 0, 1, 1);
+
+  XRenderComposite (dpy, PictOpOver, src, mask, dst, 0, 0, 0, 0, 0, 0, w, h);
+
+  XRenderFreePicture (dpy, src);
+  XRenderFreePicture (dpy, dst);
+  XRenderFreePicture (dpy, mask);
+
+  return img2;
+}
+
 #endif