guard rasterizer and drawlooper setters

samplecode/SampleSlides.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 "SkBlurMask.h"
 #include "SkBlurMaskFilter.h"
@@ skipping 526 matching lines @@
     rastBuilder->addLayer(p);
 }
 
 static void r6(SkLayerRasterizer::Builder* rastBuilder, SkPaint& p)
 {
     rastBuilder->addLayer(p);
 
     p.setAntiAlias(false);
     SkLayerRasterizer::Builder rastBuilder2;
     r5(&rastBuilder2, p);
-    p.setRasterizer(rastBuilder2.detachRasterizer())->unref();
+    p.setRasterizer(rastBuilder2.detach());
     p.setXfermodeMode(SkXfermode::kClear_Mode);
     rastBuilder->addLayer(p);
 }
 
 #include "Sk2DPathEffect.h"
 
 static sk_sp<SkPathEffect> MakeDotEffect(SkScalar radius, const SkMatrix& matrix) {
     SkPath path;
     path.addCircle(0, 0, radius);
     return SkPath2DPathEffect::Make(matrix, path);
@@ skipping 50 matching lines @@
     r0, r1, r2, r3, r4, r5, r6, r7, r8, r9
 };
 
 static void apply_shader(SkPaint* paint, int index) {
     raster_proc proc = gRastProcs[index];
     SkPaint p;
     SkLayerRasterizer::Builder rastBuilder;
 
     p.setAntiAlias(true);
     proc(&rastBuilder, p);
-    paint->setRasterizer(rastBuilder.detachRasterizer())->unref();
+    paint->setRasterizer(rastBuilder.detach());
     paint->setColor(SK_ColorBLUE);
 }
 
 #include "SkTypeface.h"
 
 static void texteffect_slide(SkCanvas* canvas) {
     const char* str = "Google";
     size_t len = strlen(str);
     SkScalar x = 20;
     SkScalar y = 80;
@@ skipping 81 matching lines @@
     }
 
 private:
     typedef SampleView INHERITED;
 };
 
 //////////////////////////////////////////////////////////////////////////////
 
 static SkView* MyFactory() { return new SlideView; }
 static SkViewRegister reg(MyFactory);