Push sigma-based blur interface into our GMs/benches/tests/samplecode

samplecode/SampleEmboss.cpp

 
 /*
  * Copyright 2011 Google Inc.
  *
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 #include "SampleCode.h"
 #include "SkView.h"
 #include "SkCanvas.h"
@@ skipping 35 matching lines @@
         }
         return this->INHERITED::onQuery(evt);
     }
 
     virtual void onDrawContent(SkCanvas* canvas) {
         SkPaint paint;
 
         paint.setAntiAlias(true);
         paint.setStyle(SkPaint::kStroke_Style);
         paint.setStrokeWidth(SkIntToScalar(10));
-        paint.setMaskFilter(new SkEmbossMaskFilter(fLight, SkIntToScalar(4)))->unref();
+        paint.setMaskFilter(new SkEmbossMaskFilter(SkFloatToScalar(2.8094f), fLight))->unref();
         paint.setShader(new SkColorShader(SK_ColorBLUE))->unref();
         paint.setDither(true);
 
         canvas->drawCircle(SkIntToScalar(50), SkIntToScalar(50),
                            SkIntToScalar(30), paint);
     }
 
 private:
 
     typedef SampleView INHERITED;
 };
 
 //////////////////////////////////////////////////////////////////////////////
 
 static SkView* MyFactory() { return new EmbossView; }
 static SkViewRegister reg(MyFactory);