cc/trees/property_tree_builder.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_TREES_PROPERTY_TREE_BUILDER_H_
   6 #define CC_TREES_PROPERTY_TREE_BUILDER_H_
   7
   8 #include <vector>
   9
  10 #include "cc/trees/layer_tree_host_common.h"
  11 #include "cc/trees/property_tree.h"
  12
  13 namespace cc {
  14
  15 class LayerTreeHost;
  16
  17 class PropertyTreeBuilder {
  18  public:
  19   // Building an opacity tree is optional, and can be skipped by passing
  20   // in a null |opacity_tree|.
  21   static void BuildPropertyTrees(Layer* root_layer,
  22                                  const Layer* page_scale_layer,
  23                                  float page_scale_factor,
  24                                  float device_scale_factor,
  25                                  const gfx::Rect& viewport,
  26                                  const gfx::Transform& device_transform,
  27                                  TransformTree* transform_tree,
  28                                  ClipTree* clip_tree,
  29                                  OpacityTree* opacity_tree);
  30 };
  31
  32 }  // namespace cc
  33
  34 #endif  // CC_TREES_PROPERTY_TREE_BUILDER_H_