summaryrefslogtreecommitdiffstats
path: root/cc/layer_tiling_data.h
diff options
context:
space:
mode:
authorenne@chromium.org <enne@chromium.org@0039d316-1c4b-4281-b951-d872f2087c98>2012-10-12 22:43:41 +0000
committerenne@chromium.org <enne@chromium.org@0039d316-1c4b-4281-b951-d872f2087c98>2012-10-12 22:43:41 +0000
commitcd57cc5a246367c2558fefa04ae9eca8f4d545d2 (patch)
treea2235045e9c5e4ff028d641b76f5d01aa5461b26 /cc/layer_tiling_data.h
parent3fe7ba055be580443445895c0ee01ada3b628487 (diff)
downloadchromium_src-cd57cc5a246367c2558fefa04ae9eca8f4d545d2.zip
chromium_src-cd57cc5a246367c2558fefa04ae9eca8f4d545d2.tar.gz
chromium_src-cd57cc5a246367c2558fefa04ae9eca8f4d545d2.tar.bz2
[cc] Rename all cc/ filenames to Chromium style
BUG=155413 Review URL: https://codereview.chromium.org/11122003 git-svn-id: svn://svn.chromium.org/chrome/trunk/src@161671 0039d316-1c4b-4281-b951-d872f2087c98
Diffstat (limited to 'cc/layer_tiling_data.h')
-rw-r--r--cc/layer_tiling_data.h100
1 files changed, 99 insertions, 1 deletions
diff --git a/cc/layer_tiling_data.h b/cc/layer_tiling_data.h
index 638cbb2..c73f057 100644
--- a/cc/layer_tiling_data.h
+++ b/cc/layer_tiling_data.h
@@ -1,3 +1,101 @@
-// Copyright 2012 The Chromium Authors. All rights reserved.
+// 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 CCLayerTilingData_h
+#define CCLayerTilingData_h
+
+#if USE(ACCELERATED_COMPOSITING)
+
+#include "base/basictypes.h"
+#include "IntRect.h"
+#include "Region.h"
+#include "TilingData.h"
+#include <wtf/HashMap.h>
+#include <wtf/HashTraits.h>
+#include <wtf/PassOwnPtr.h>
+
+namespace cc {
+
+class CCLayerTilingData {
+public:
+ enum BorderTexelOption { HasBorderTexels, NoBorderTexels };
+
+ ~CCLayerTilingData();
+
+ static PassOwnPtr<CCLayerTilingData> create(const IntSize& tileSize, BorderTexelOption);
+
+ bool hasEmptyBounds() const { return m_tilingData.hasEmptyBounds(); }
+ int numTilesX() const { return m_tilingData.numTilesX(); }
+ int numTilesY() const { return m_tilingData.numTilesY(); }
+ IntRect tileBounds(int i, int j) const { return m_tilingData.tileBounds(i, j); }
+ IntPoint textureOffset(int xIndex, int yIndex) const { return m_tilingData.textureOffset(xIndex, yIndex); }
+
+ // Change the tile size. This may invalidate all the existing tiles.
+ void setTileSize(const IntSize&);
+ IntSize tileSize() const;
+ // Change the border texel setting. This may invalidate all existing tiles.
+ void setBorderTexelOption(BorderTexelOption);
+ bool hasBorderTexels() const { return m_tilingData.borderTexels(); }
+
+ bool isEmpty() const { return hasEmptyBounds() || !tiles().size(); }
+
+ const CCLayerTilingData& operator=(const CCLayerTilingData&);
+
+ class Tile {
+ public:
+ Tile() : m_i(-1), m_j(-1) { }
+ virtual ~Tile() { }
+
+ int i() const { return m_i; }
+ int j() const { return m_j; }
+ void moveTo(int i, int j) { m_i = i; m_j = j; }
+
+ const IntRect& opaqueRect() const { return m_opaqueRect; }
+ void setOpaqueRect(const IntRect& opaqueRect) { m_opaqueRect = opaqueRect; }
+ private:
+ int m_i;
+ int m_j;
+ IntRect m_opaqueRect;
+ DISALLOW_COPY_AND_ASSIGN(Tile);
+ };
+ // Default hash key traits for integers disallow 0 and -1 as a key, so
+ // use a custom hash trait which disallows -1 and -2 instead.
+ typedef std::pair<int, int> TileMapKey;
+ struct TileMapKeyTraits : HashTraits<TileMapKey> {
+ static const bool emptyValueIsZero = false;
+ static const bool needsDestruction = false;
+ static TileMapKey emptyValue() { return std::make_pair(-1, -1); }
+ static void constructDeletedValue(TileMapKey& slot) { slot = std::make_pair(-2, -2); }
+ static bool isDeletedValue(TileMapKey value) { return value.first == -2 && value.second == -2; }
+ };
+ typedef HashMap<TileMapKey, OwnPtr<Tile>, DefaultHash<TileMapKey>::Hash, TileMapKeyTraits> TileMap;
+
+ void addTile(PassOwnPtr<Tile>, int, int);
+ PassOwnPtr<Tile> takeTile(int, int);
+ Tile* tileAt(int, int) const;
+ const TileMap& tiles() const { return m_tiles; }
+
+ void setBounds(const IntSize&);
+ IntSize bounds() const;
+
+ void contentRectToTileIndices(const IntRect&, int &left, int &top, int &right, int &bottom) const;
+ IntRect tileRect(const Tile*) const;
+
+ Region opaqueRegionInContentRect(const IntRect&) const;
+
+ void reset();
+
+protected:
+ CCLayerTilingData(const IntSize& tileSize, BorderTexelOption);
+
+ TileMap m_tiles;
+ TilingData m_tilingData;
+};
+
+}
+
+#endif // USE(ACCELERATED_COMPOSITING)
+
+#endif