Switch default for SkGaussianBlurShader radius size.

gm/reveal.cpp

 /*
  * Copyright 2016 Google Inc.
  *
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 
 #include "gm.h"
 #include "SkAnimTimer.h"
 #include "SkBlurMaskFilter.h"
@@ skipping 330 matching lines @@
                 // The goal is to replace this clipped draw (which clips the 
                 // shadow) with a draw using the geometric clip
                 if (kGaussianEdge_Mode == fMode) {
                     canvas->save();
                         clipObj->clip(canvas);
 
                         // Draw with GaussianEdgeShader
                         SkPaint paint;
                         paint.setAntiAlias(true);
                         // G channel is an F6.2 radius
-                        paint.setColor(SkColorSetARGB(255, 255, (unsigned char)(4*kPad), 0));
+                        paint.setColor(SkColorSetARGB(255, 0, (unsigned char)(4*kPad), 0));
                         paint.setShader(SkGaussianEdgeShader::Make());
                         drawObj->draw(canvas, paint);
                     canvas->restore();
                 } else if (kBlurMask_Mode == fMode) {
                     SkPath clippedPath;
 
                     SkScalar sigma = kPad / 4.0f;
 
                     if (clipObj->contains(drawObj->bounds())) {
                         clippedPath = drawObj->asPath(2.0f*sigma);
@@ skipping 65 matching lines @@
     Mode     fMode;
     bool     fPause;
 
     typedef GM INHERITED;
 };
 
 //////////////////////////////////////////////////////////////////////////////
 
 DEF_GM(return new RevealGM;)
 }