Builder class for SkLayerRasterizer.

samplecode/SamplePathEffects.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 56 matching lines @@
     outer->unref();
     inner->unref();
     return pe;
 }
 
 ///////////////////////////////////////////////////////////
 
 #include "SkColorFilter.h"
 #include "SkLayerRasterizer.h"
 
-class testrast : public SkLayerRasterizer {
+class TestRastBuilder : public SkLayerRasterizer::Builder {
 public:
-    testrast() {
+    TestRastBuilder() {
         SkPaint paint;
         paint.setAntiAlias(true);
 
 #if 0
         paint.setStyle(SkPaint::kStroke_Style);
         paint.setStrokeWidth(SK_Scalar1*4);
         this->addLayer(paint);
 
         paint.setStrokeWidth(SK_Scalar1*1);
         paint.setXfermode(SkXfermode::kClear_Mode);
@@ skipping 80 matching lines @@
         canvas->translate(0, SkIntToScalar(50));
 
         paint.setARGB(0xFF, 0, 0xBB, 0);
         paint.setPathEffect(make_pe(3))->unref();
         canvas->drawPath(fPath, paint);
 
         canvas->translate(0, SkIntToScalar(50));
 
         paint.setARGB(0xFF, 0, 0, 0);
         paint.setPathEffect(make_warp_pe())->unref();
-        paint.setRasterizer(new testrast)->unref();
+        TestRastBuilder testRastBuilder;
+        paint.setRasterizer(testRastBuilder.detachRasterizer())->unref();
         canvas->drawPath(fPath, paint);
     }
 
 private:
     typedef SampleView INHERITED;
 };
 
 //////////////////////////////////////////////////////////////////////////////
 
 static SkView* MyFactory() { return new PathEffectView; }
 static SkViewRegister reg(MyFactory);