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

gm/blurs.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 "gm.h"
 #include "SkBlurMaskFilter.h"
 
@@ skipping 41 matching lines @@
         paint.setAntiAlias(true);
         paint.setTextSize(SkIntToScalar(25));
         canvas->translate(SkIntToScalar(-40), SkIntToScalar(0));
 
         SkBlurMaskFilter::BlurFlags flags = SkBlurMaskFilter::kNone_BlurFlag;
         for (int j = 0; j < 2; j++) {
             canvas->save();
             paint.setColor(SK_ColorBLUE);
             for (size_t i = 0; i < SK_ARRAY_COUNT(gRecs); i++) {
                 if (gRecs[i].fStyle != NONE) {
-                    SkMaskFilter* mf = SkBlurMaskFilter::Create(
-                            SkIntToScalar(20), gRecs[i].fStyle, flags);
+                    SkMaskFilter* mf = SkBlurMaskFilter::Create(gRecs[i].fStyle,
+                                                                SkFloatToScalar(12.047f), 
+                                                                flags);
                     paint.setMaskFilter(mf)->unref();
                 } else {
                     paint.setMaskFilter(NULL);
                 }
                 canvas->drawCircle(SkIntToScalar(200 + gRecs[i].fCx*100),
                                    SkIntToScalar(200 + gRecs[i].fCy*100),
                                    SkIntToScalar(50),
                                    paint);
             }
             // draw text
             {
-                SkMaskFilter* mf = SkBlurMaskFilter::Create(
-                        SkIntToScalar(4),
-                        SkBlurMaskFilter::kNormal_BlurStyle,
-                        flags);
+                SkMaskFilter* mf = SkBlurMaskFilter::Create(SkBlurMaskFilter::kNormal_BlurStyle,
+                                                            SkFloatToScalar(2.8094f),
+                                                            flags);
                 paint.setMaskFilter(mf)->unref();
                 SkScalar x = SkIntToScalar(70);
                 SkScalar y = SkIntToScalar(400);
                 paint.setColor(SK_ColorBLACK);
                 canvas->drawText("Hamburgefons Style", 18, x, y, paint);
                 canvas->drawText("Hamburgefons Style", 18,
                                  x, y + SkIntToScalar(50), paint);
                 paint.setMaskFilter(NULL);
                 paint.setColor(SK_ColorWHITE);
                 x -= SkIntToScalar(2);
                 y -= SkIntToScalar(2);
                 canvas->drawText("Hamburgefons Style", 18, x, y, paint);
             }
             canvas->restore();
             flags = SkBlurMaskFilter::kHighQuality_BlurFlag;
             canvas->translate(SkIntToScalar(350), SkIntToScalar(0));
         }
     }
 
 private:
     typedef GM INHERITED;
 };
 
 //////////////////////////////////////////////////////////////////////////////
 
 static GM* MyFactory(void*) { return new BlursGM; }
 static GMRegistry reg(MyFactory);
 
 }