cc/resources/float_clip_display_item.h

   1 // Copyright 2015 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_FLOAT_CLIP_DISPLAY_ITEM_H_
   6 #define CC_RESOURCES_FLOAT_CLIP_DISPLAY_ITEM_H_
   7
   8 #include <vector>
   9
  10 #include "base/memory/scoped_ptr.h"
  11 #include "cc/base/cc_export.h"
  12 #include "cc/resources/display_item.h"
  13 #include "ui/gfx/geometry/rect_f.h"
  14
  15 class SkCanvas;
  16 class SkDrawPictureCallback;
  17
  18 namespace cc {
  19
  20 class CC_EXPORT FloatClipDisplayItem : public DisplayItem {
  21  public:
  22   ~FloatClipDisplayItem() override;
  23
  24   static scoped_ptr<FloatClipDisplayItem> Create(gfx::RectF clip_rect) {
  25     return make_scoped_ptr(new FloatClipDisplayItem(clip_rect));
  26   }
  27
  28   void Raster(SkCanvas* canvas, SkDrawPictureCallback* callback) const override;
  29
  30   bool IsSuitableForGpuRasterization() const override;
  31   int ApproximateOpCount() const override;
  32   size_t PictureMemoryUsage() const override;
  33   void AsValueInto(base::trace_event::TracedValue* array) const override;
  34
  35  protected:
  36   explicit FloatClipDisplayItem(gfx::RectF clip_rect);
  37
  38  private:
  39   gfx::RectF clip_rect_;
  40 };
  41
  42 class CC_EXPORT EndFloatClipDisplayItem : public DisplayItem {
  43  public:
  44   ~EndFloatClipDisplayItem() override;
  45
  46   static scoped_ptr<EndFloatClipDisplayItem> Create() {
  47     return make_scoped_ptr(new EndFloatClipDisplayItem());
  48   }
  49
  50   void Raster(SkCanvas* canvas, SkDrawPictureCallback* callback) const override;
  51
  52   bool IsSuitableForGpuRasterization() const override;
  53   int ApproximateOpCount() const override;
  54   size_t PictureMemoryUsage() const override;
  55   void AsValueInto(base::trace_event::TracedValue* array) const override;
  56
  57  protected:
  58   EndFloatClipDisplayItem();
  59 };
  60
  61 }  // namespace cc
  62
  63 #endif  // CC_RESOURCES_FLOAT_CLIP_DISPLAY_ITEM_H_