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      1 /*
      2  * Copyright 2014 Google Inc.
      3  *
      4  * Use of this source code is governed by a BSD-style license that can be
      5  * found in the LICENSE file.
      6  */
      7 
      8 #ifndef SkNoSaveLayerCanvas_DEFINED
      9 #define SkNoSaveLayerCanvas_DEFINED
     10 
     11 #include "SkCanvas.h"
     12 #include "SkRRect.h"
     13 
     14 // The NoSaveLayerCanvas is used to play back SkPictures when the saveLayer
     15 // functionality isn't required (e.g., during analysis of the draw calls).
     16 // It also simplifies the clipping calls to only use rectangles.
     17 class SK_API SkNoSaveLayerCanvas : public SkCanvas {
     18 public:
     19     SkNoSaveLayerCanvas(SkBaseDevice* device)
     20         : INHERITED(device, NULL, kConservativeRasterClip_InitFlag)
     21     {}
     22 
     23 protected:
     24     virtual SaveLayerStrategy willSaveLayer(const SkRect* bounds, const SkPaint* paint,
     25                                             SaveFlags flags) SK_OVERRIDE {
     26         this->INHERITED::willSaveLayer(bounds, paint, flags);
     27         return kNoLayer_SaveLayerStrategy;
     28     }
     29 
     30 private:
     31     typedef SkCanvas INHERITED;
     32 };
     33 
     34 #endif // SkNoSaveLayerCanvas_DEFINED
     35