--- old/modules/graphics/src/main/java/com/sun/javafx/sg/prism/NGCanvas.java	2014-06-06 17:54:43.000000000 -0700
+++ new/modules/graphics/src/main/java/com/sun/javafx/sg/prism/NGCanvas.java	2014-06-06 17:54:43.000000000 -0700
@@ -835,6 +835,7 @@
                     // fillQuad does hard edges which matches the concept
                     // of setting adjacent abutting, non-overlapping "pixels"
                     gr.fillQuad(dx1, dy1, dx1+highestPixelScale, dy1+highestPixelScale);
+                    gr.setCompositeMode(CompositeMode.SRC_OVER);
                     break;
                 }
                 case PUT_ARGBPRE_BUF: