fix cheap calc of edgelist size



git-svn-id: http://skia.googlecode.com/svn/trunk@419 2bbb7eff-a529-9590-31e7-b0007b416f81
diff --git a/samplecode/SampleFuzz.cpp b/samplecode/SampleFuzz.cpp
index 309affe..ba1fc03 100644
--- a/samplecode/SampleFuzz.cpp
+++ b/samplecode/SampleFuzz.cpp
@@ -122,7 +122,7 @@
             case 1: mode = SkXfermode::kXor_Mode; break;
             case 2: mode = SkXfermode::kSrcOver_Mode; break;
           }
-          paint.setXfermode(mode);
+          paint.setXfermodeMode(mode);
       }
       break;
 
@@ -339,6 +339,7 @@
     }
     
     virtual void onDraw(SkCanvas* canvas) {
+        SkIRect r = canvas->getTotalClip().getBounds();
         this->drawBG(canvas);
         do_fuzz(canvas);
         this->inval(NULL);