src/third_party/skia/include/utils/SkNoSaveLayerCanvas.h

   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