cc/resources/drawing_display_item.h

   1 // Copyright 2014 The Chromium Authors. All rights reserved.
   2 // Use of this source code is governed by a BSD-style license that can be
   3 // found in the LICENSE file.
   4
   5 #ifndef CC_RESOURCES_DRAWING_DISPLAY_ITEM_H_
   6 #define CC_RESOURCES_DRAWING_DISPLAY_ITEM_H_
   7
   8 #include "base/memory/scoped_ptr.h"
   9 #include "cc/base/cc_export.h"
  10 #include "cc/resources/display_item.h"
  11 #include "skia/ext/refptr.h"
  12 #include "ui/gfx/geometry/point_f.h"
  13
  14 class SkCanvas;
  15 class SkDrawPictureCallback;
  16 class SkPicture;
  17
  18 namespace cc {
  19
  20 class CC_EXPORT DrawingDisplayItem : public DisplayItem {
  21  public:
  22   ~DrawingDisplayItem() override;
  23
  24   static scoped_ptr<DrawingDisplayItem> Create(
  25       skia::RefPtr<SkPicture> picture) {
  26     return make_scoped_ptr(new DrawingDisplayItem(picture));
  27   }
  28
  29   void Raster(SkCanvas* canvas, SkDrawPictureCallback* callback) const override;
  30   void RasterForTracing(SkCanvas* canvas) const override;
  31
  32   bool IsSuitableForGpuRasterization() const override;
  33   int ApproximateOpCount() const override;
  34   size_t PictureMemoryUsage() const override;
  35   void AsValueInto(base::trace_event::TracedValue* array) const override;
  36
  37  protected:
  38   explicit DrawingDisplayItem(skia::RefPtr<SkPicture> picture);
  39
  40  private:
  41   skia::RefPtr<SkPicture> picture_;
  42 };
  43
  44 }  // namespace cc
  45
  46 #endif  // CC_RESOURCES_DRAWING_DISPLAY_ITEM_H_