--- rxvt-unicode/src/rxvtfont.C	2008/01/23 05:18:43	1.129
+++ rxvt-unicode/src/rxvtfont.C	2008/01/23 05:59:29	1.130
@@ -1302,7 +1302,7 @@
    * Maybe make buffering into a resource flag? Compile time option doesn't seems like a
    * good idea from the perspective of packaging for wide variety of user configs.
    */
-  bool buffered = bg >= 0;
+  bool buffered = bg >= Color_transparent;
 #ifdef FORCE_UNBUFFERED_XFT
   buffered = false;
 #endif
@@ -1352,12 +1352,12 @@
             {
               Picture dst = 0;
 
-              if (bg >= 0 && term->pix_colors[bg].c.color.alpha < 0xff00)
+              if (bg >= 0 && term->pix_colors[bg].is_opaque ())
                 dst = XftDrawPicture (d2);
 
-              if (bg < 0 || dst != 0)
+              if (dst)
                 {
-                  int src_x = x, src_y = y ;
+                  int src_x = x, src_y = y;
 
                   if (term->bgPixmap.is_parentOrigin ())
                     {
@@ -1390,15 +1390,18 @@
                       XChangeGC (disp, gc, GCFillStyle, &gcv);
                     }
 
-                  Picture solid_color_pict = XftDrawSrcPicture (d2, &term->pix_colors[bg].c);
-                  XRenderComposite (disp, PictOpOver, solid_color_pict, None, dst, 0, 0, 0, 0, 0, 0, w, h);
+                  if (bg >= 0)
+                    {
+                      Picture solid_color_pict = XftDrawSrcPicture (d2, &term->pix_colors[bg].c);
+                      XRenderComposite (disp, PictOpOver, solid_color_pict, None, dst, 0, 0, 0, 0, 0, 0, w, h);
+                    }
 
                   back_rendered = true;
                 }
             }
 #endif
 
-          if (!back_rendered)
+          if (bg >= 0 && !back_rendered)
             XftDrawRect (d2, &term->pix_colors[bg].c, 0, 0, w, h);
 
           XftDrawGlyphSpec (d2, &term->pix_colors[fg].c, f, enc, ep - enc);