Part 8 of cc/ directory shuffles: resources

cc/layer_tiling_data.h

-// Copyright 2011 The Chromium Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style license that can be
-// found in the LICENSE file.
-
-#ifndef CC_LAYER_TILING_DATA_H_
-#define CC_LAYER_TILING_DATA_H_
-
-#include "base/basictypes.h"
-#include "base/memory/scoped_ptr.h"
-#include "cc/base/cc_export.h"
-#include "cc/base/hash_pair.h"
-#include "cc/base/region.h"
-#include "cc/base/scoped_ptr_hash_map.h"
-#include "cc/base/tiling_data.h"
-#include "ui/gfx/rect.h"
-
-namespace cc {
-
-class CC_EXPORT LayerTilingData {
- public:
-  enum BorderTexelOption {
-    HAS_BORDER_TEXELS,
-    NO_BORDER_TEXELS
-  };
-
-  ~LayerTilingData();
-
-  static scoped_ptr<LayerTilingData> Create(gfx::Size tile_size,
-                                            BorderTexelOption option);
-
-  bool has_empty_bounds() const { return tiling_data_.has_empty_bounds(); }
-  int num_tiles_x() const { return tiling_data_.num_tiles_x(); }
-  int num_tiles_y() const { return tiling_data_.num_tiles_y(); }
-  gfx::Rect tile_bounds(int i, int j) const {
-    return tiling_data_.TileBounds(i, j);
-  }
-  gfx::Vector2d texture_offset(int x_index, int y_index) const {
-    return tiling_data_.TextureOffset(x_index, y_index);
-  }
-
-  // Change the tile size. This may invalidate all the existing tiles.
-  void SetTileSize(gfx::Size size);
-  gfx::Size tile_size() const;
-  // Change the border texel setting. This may invalidate all existing tiles.
-  void SetBorderTexelOption(BorderTexelOption option);
-  bool has_border_texels() const { return !!tiling_data_.border_texels(); }
-
-  bool is_empty() const { return has_empty_bounds() || !tiles().size(); }
-
-  const LayerTilingData& operator=(const LayerTilingData&);
-
-  class Tile {
-   public:
-    Tile() : i_(-1), j_(-1) {}
-    virtual ~Tile() {}
-
-    int i() const { return i_; }
-    int j() const { return j_; }
-    void move_to(int i, int j) {
-      i_ = i;
-      j_ = j;
-    }
-
-    gfx::Rect opaque_rect() const { return opaque_rect_; }
-    void set_opaque_rect(gfx::Rect opaque_rect) { opaque_rect_ = opaque_rect; }
-   private:
-    int i_;
-    int j_;
-    gfx::Rect opaque_rect_;
-    DISALLOW_COPY_AND_ASSIGN(Tile);
-  };
-  typedef std::pair<int, int> TileMapKey;
-  typedef ScopedPtrHashMap<TileMapKey, Tile> TileMap;
-
-  void AddTile(scoped_ptr<Tile> tile, int i, int j);
-  scoped_ptr<Tile> TakeTile(int i, int j);
-  Tile* TileAt(int i, int j) const;
-  const TileMap& tiles() const { return tiles_; }
-
-  void SetBounds(gfx::Size size);
-  gfx::Size bounds() const { return tiling_data_.total_size(); }
-
-  void ContentRectToTileIndices(gfx::Rect rect,
-                                int* left,
-                                int* top,
-                                int* right,
-                                int* bottom) const;
-  gfx::Rect TileRect(const Tile* tile) const;
-
-  Region OpaqueRegionInContentRect(gfx::Rect rect) const;
-
-  void reset() { tiles_.clear(); }
-
- protected:
-  LayerTilingData(gfx::Size tile_size, BorderTexelOption option);
-
-  TileMap tiles_;
-  TilingData tiling_data_;
-
-  DISALLOW_COPY(LayerTilingData);
-};
-
-}  // namespace cc
-
-#endif  // CC_LAYER_TILING_DATA_H_