change factory to method, to parallel pattern in imagefilters

samplecode/SamplePatch.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 "SkAnimTimer.h"
 #include "SkView.h"
@@ skipping 288 matching lines @@
         paint.setStrokeWidth(SkIntToScalar(5));
         canvas->drawPoints(SkCanvas::kPoints_PointMode, SK_ARRAY_COUNT(fPts), fPts, paint);
 
         canvas->translate(0, SkIntToScalar(300));
 
         paint.setAntiAlias(false);
         paint.setShader(fShader1);
         if (true) {
             SkMatrix m;
             m.setSkew(1, 0);
-            SkShader* s = SkShader::CreateLocalMatrixShader(paint.getShader(), m);
+            SkShader* s = paint.getShader()->newWithLocalMatrix(m);
             paint.setShader(s)->unref();
         }
         if (true) {
             SkMatrix m;
             m.setRotate(fAngle);
-            SkShader* s = SkShader::CreateLocalMatrixShader(paint.getShader(), m);
+            SkShader* s = paint.getShader()->newWithLocalMatrix(m);
             paint.setShader(s)->unref();
         }
         patch.setBounds(fSize1.fX, fSize1.fY);
         drawpatches(canvas, paint, nu, nv, &patch);
     }
 
     bool onAnimate(const SkAnimTimer& timer) override {
         fAngle = timer.scaled(60, 360);
         return true;
     }
@@ skipping 26 matching lines @@
     }
 
 private:
     typedef SampleView INHERITED;
 };
 
 //////////////////////////////////////////////////////////////////////////////
 
 static SkView* MyFactory() { return new PatchView; }
 static SkViewRegister reg(MyFactory);