cc/layers/picture_image_layer_impl.h

   1 // Copyright 2013 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_LAYERS_PICTURE_IMAGE_LAYER_IMPL_H_
   6 #define CC_LAYERS_PICTURE_IMAGE_LAYER_IMPL_H_
   7
   8 #include "cc/layers/picture_layer_impl.h"
   9
  10 namespace cc {
  11
  12 class CC_EXPORT PictureImageLayerImpl : public PictureLayerImpl {
  13  public:
  14   static scoped_ptr<PictureImageLayerImpl> Create(LayerTreeImpl* tree_impl,
  15                                                   int id) {
  16     return make_scoped_ptr(new PictureImageLayerImpl(tree_impl, id));
  17   }
  18   virtual ~PictureImageLayerImpl();
  19
  20   // LayerImpl overrides.
  21   virtual const char* LayerTypeAsString() const OVERRIDE;
  22   virtual scoped_ptr<LayerImpl> CreateLayerImpl(
  23       LayerTreeImpl* tree_impl) OVERRIDE;
  24   virtual void CalculateContentsScale(float ideal_contents_scale,
  25                                       float device_scale_factor,
  26                                       float page_scale_factor,
  27                                       bool animating_transform_to_screen,
  28                                       float* contents_scale_x,
  29                                       float* contents_scale_y,
  30                                       gfx::Size* content_bounds) OVERRIDE;
  31
  32  protected:
  33   PictureImageLayerImpl(LayerTreeImpl* tree_impl, int id);
  34
  35   virtual bool ShouldAdjustRasterScale(
  36       bool animating_transform_to_screen) const OVERRIDE;
  37   virtual void CalculateRasterContentsScale(
  38       bool animating_transform_to_screen,
  39       float* raster_contents_scale,
  40       float* low_res_raster_contents_scale) const OVERRIDE;
  41   virtual void GetDebugBorderProperties(
  42       SkColor* color, float* width) const OVERRIDE;
  43
  44  private:
  45   DISALLOW_COPY_AND_ASSIGN(PictureImageLayerImpl);
  46 };
  47
  48 }  // namespace cc
  49
  50 #endif  // CC_LAYERS_PICTURE_IMAGE_LAYER_IMPL_H_