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1 // Copyright 2011 The Chromium Authors. All rights reserved. | 1 // Copyright 2011 The Chromium Authors. All rights reserved. |
2 // Use of this source code is governed by a BSD-style license that can be | 2 // Use of this source code is governed by a BSD-style license that can be |
3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
4 | 4 |
5 | 5 |
6 #include "config.h" | 6 #include "config.h" |
7 | 7 |
8 #include "CCLayerTilingData.h" | 8 #include "CCLayerTilingData.h" |
9 | 9 |
10 using namespace std; | 10 using namespace std; |
11 | 11 |
12 namespace cc { | 12 namespace cc { |
13 | 13 |
14 scoped_ptr<CCLayerTilingData> CCLayerTilingData::create(const IntSize& tileSize,
BorderTexelOption border) | 14 scoped_ptr<LayerTilingData> LayerTilingData::create(const IntSize& tileSize, Bor
derTexelOption border) |
15 { | 15 { |
16 return make_scoped_ptr(new CCLayerTilingData(tileSize, border)); | 16 return make_scoped_ptr(new LayerTilingData(tileSize, border)); |
17 } | 17 } |
18 | 18 |
19 CCLayerTilingData::CCLayerTilingData(const IntSize& tileSize, BorderTexelOption
border) | 19 LayerTilingData::LayerTilingData(const IntSize& tileSize, BorderTexelOption bord
er) |
20 : m_tilingData(tileSize, IntSize(), border == HasBorderTexels) | 20 : m_tilingData(tileSize, IntSize(), border == HasBorderTexels) |
21 { | 21 { |
22 setTileSize(tileSize); | 22 setTileSize(tileSize); |
23 } | 23 } |
24 | 24 |
25 CCLayerTilingData::~CCLayerTilingData() | 25 LayerTilingData::~LayerTilingData() |
26 { | 26 { |
27 } | 27 } |
28 | 28 |
29 void CCLayerTilingData::setTileSize(const IntSize& size) | 29 void LayerTilingData::setTileSize(const IntSize& size) |
30 { | 30 { |
31 if (tileSize() == size) | 31 if (tileSize() == size) |
32 return; | 32 return; |
33 | 33 |
34 reset(); | 34 reset(); |
35 | 35 |
36 m_tilingData.setMaxTextureSize(size); | 36 m_tilingData.setMaxTextureSize(size); |
37 } | 37 } |
38 | 38 |
39 IntSize CCLayerTilingData::tileSize() const | 39 IntSize LayerTilingData::tileSize() const |
40 { | 40 { |
41 return m_tilingData.maxTextureSize(); | 41 return m_tilingData.maxTextureSize(); |
42 } | 42 } |
43 | 43 |
44 void CCLayerTilingData::setBorderTexelOption(BorderTexelOption borderTexelOption
) | 44 void LayerTilingData::setBorderTexelOption(BorderTexelOption borderTexelOption) |
45 { | 45 { |
46 bool borderTexels = borderTexelOption == HasBorderTexels; | 46 bool borderTexels = borderTexelOption == HasBorderTexels; |
47 if (hasBorderTexels() == borderTexels) | 47 if (hasBorderTexels() == borderTexels) |
48 return; | 48 return; |
49 | 49 |
50 reset(); | 50 reset(); |
51 m_tilingData.setHasBorderTexels(borderTexels); | 51 m_tilingData.setHasBorderTexels(borderTexels); |
52 } | 52 } |
53 | 53 |
54 const CCLayerTilingData& CCLayerTilingData::operator=(const CCLayerTilingData& t
iler) | 54 const LayerTilingData& LayerTilingData::operator=(const LayerTilingData& tiler) |
55 { | 55 { |
56 m_tilingData = tiler.m_tilingData; | 56 m_tilingData = tiler.m_tilingData; |
57 | 57 |
58 return *this; | 58 return *this; |
59 } | 59 } |
60 | 60 |
61 void CCLayerTilingData::addTile(scoped_ptr<Tile> tile, int i, int j) | 61 void LayerTilingData::addTile(scoped_ptr<Tile> tile, int i, int j) |
62 { | 62 { |
63 ASSERT(!tileAt(i, j)); | 63 ASSERT(!tileAt(i, j)); |
64 tile->moveTo(i, j); | 64 tile->moveTo(i, j); |
65 m_tiles.add(make_pair(i, j), tile.Pass()); | 65 m_tiles.add(make_pair(i, j), tile.Pass()); |
66 } | 66 } |
67 | 67 |
68 scoped_ptr<CCLayerTilingData::Tile> CCLayerTilingData::takeTile(int i, int j) | 68 scoped_ptr<LayerTilingData::Tile> LayerTilingData::takeTile(int i, int j) |
69 { | 69 { |
70 return m_tiles.take_and_erase(make_pair(i, j)); | 70 return m_tiles.take_and_erase(make_pair(i, j)); |
71 } | 71 } |
72 | 72 |
73 CCLayerTilingData::Tile* CCLayerTilingData::tileAt(int i, int j) const | 73 LayerTilingData::Tile* LayerTilingData::tileAt(int i, int j) const |
74 { | 74 { |
75 return m_tiles.get(make_pair(i, j)); | 75 return m_tiles.get(make_pair(i, j)); |
76 } | 76 } |
77 | 77 |
78 void CCLayerTilingData::reset() | 78 void LayerTilingData::reset() |
79 { | 79 { |
80 m_tiles.clear(); | 80 m_tiles.clear(); |
81 } | 81 } |
82 | 82 |
83 void CCLayerTilingData::contentRectToTileIndices(const IntRect& contentRect, int
& left, int& top, int& right, int& bottom) const | 83 void LayerTilingData::contentRectToTileIndices(const IntRect& contentRect, int&
left, int& top, int& right, int& bottom) const |
84 { | 84 { |
85 // An empty rect doesn't result in an empty set of tiles, so don't pass an e
mpty rect. | 85 // An empty rect doesn't result in an empty set of tiles, so don't pass an e
mpty rect. |
86 // FIXME: Possibly we should fill a vector of tiles instead, | 86 // FIXME: Possibly we should fill a vector of tiles instead, |
87 // since the normal use of this function is to enumerate some tiles. | 87 // since the normal use of this function is to enumerate some tiles. |
88 ASSERT(!contentRect.isEmpty()); | 88 ASSERT(!contentRect.isEmpty()); |
89 | 89 |
90 left = m_tilingData.tileXIndexFromSrcCoord(contentRect.x()); | 90 left = m_tilingData.tileXIndexFromSrcCoord(contentRect.x()); |
91 top = m_tilingData.tileYIndexFromSrcCoord(contentRect.y()); | 91 top = m_tilingData.tileYIndexFromSrcCoord(contentRect.y()); |
92 right = m_tilingData.tileXIndexFromSrcCoord(contentRect.maxX() - 1); | 92 right = m_tilingData.tileXIndexFromSrcCoord(contentRect.maxX() - 1); |
93 bottom = m_tilingData.tileYIndexFromSrcCoord(contentRect.maxY() - 1); | 93 bottom = m_tilingData.tileYIndexFromSrcCoord(contentRect.maxY() - 1); |
94 } | 94 } |
95 | 95 |
96 IntRect CCLayerTilingData::tileRect(const Tile* tile) const | 96 IntRect LayerTilingData::tileRect(const Tile* tile) const |
97 { | 97 { |
98 IntRect tileRect = m_tilingData.tileBoundsWithBorder(tile->i(), tile->j()); | 98 IntRect tileRect = m_tilingData.tileBoundsWithBorder(tile->i(), tile->j()); |
99 tileRect.setSize(tileSize()); | 99 tileRect.setSize(tileSize()); |
100 return tileRect; | 100 return tileRect; |
101 } | 101 } |
102 | 102 |
103 Region CCLayerTilingData::opaqueRegionInContentRect(const IntRect& contentRect)
const | 103 Region LayerTilingData::opaqueRegionInContentRect(const IntRect& contentRect) co
nst |
104 { | 104 { |
105 if (contentRect.isEmpty()) | 105 if (contentRect.isEmpty()) |
106 return Region(); | 106 return Region(); |
107 | 107 |
108 Region opaqueRegion; | 108 Region opaqueRegion; |
109 int left, top, right, bottom; | 109 int left, top, right, bottom; |
110 contentRectToTileIndices(contentRect, left, top, right, bottom); | 110 contentRectToTileIndices(contentRect, left, top, right, bottom); |
111 for (int j = top; j <= bottom; ++j) { | 111 for (int j = top; j <= bottom; ++j) { |
112 for (int i = left; i <= right; ++i) { | 112 for (int i = left; i <= right; ++i) { |
113 Tile* tile = tileAt(i, j); | 113 Tile* tile = tileAt(i, j); |
114 if (!tile) | 114 if (!tile) |
115 continue; | 115 continue; |
116 | 116 |
117 IntRect tileOpaqueRect = intersection(contentRect, tile->opaqueRect(
)); | 117 IntRect tileOpaqueRect = intersection(contentRect, tile->opaqueRect(
)); |
118 opaqueRegion.unite(tileOpaqueRect); | 118 opaqueRegion.unite(tileOpaqueRect); |
119 } | 119 } |
120 } | 120 } |
121 return opaqueRegion; | 121 return opaqueRegion; |
122 } | 122 } |
123 | 123 |
124 void CCLayerTilingData::setBounds(const IntSize& size) | 124 void LayerTilingData::setBounds(const IntSize& size) |
125 { | 125 { |
126 m_tilingData.setTotalSize(size); | 126 m_tilingData.setTotalSize(size); |
127 if (size.isEmpty()) { | 127 if (size.isEmpty()) { |
128 m_tiles.clear(); | 128 m_tiles.clear(); |
129 return; | 129 return; |
130 } | 130 } |
131 | 131 |
132 // Any tiles completely outside our new bounds are invalid and should be dro
pped. | 132 // Any tiles completely outside our new bounds are invalid and should be dro
pped. |
133 int left, top, right, bottom; | 133 int left, top, right, bottom; |
134 contentRectToTileIndices(IntRect(IntPoint(), size), left, top, right, bottom
); | 134 contentRectToTileIndices(IntRect(IntPoint(), size), left, top, right, bottom
); |
135 Vector<TileMapKey> invalidTileKeys; | 135 Vector<TileMapKey> invalidTileKeys; |
136 for (TileMap::const_iterator it = m_tiles.begin(); it != m_tiles.end(); ++it
) { | 136 for (TileMap::const_iterator it = m_tiles.begin(); it != m_tiles.end(); ++it
) { |
137 if (it->first.first > right || it->first.second > bottom) | 137 if (it->first.first > right || it->first.second > bottom) |
138 invalidTileKeys.append(it->first); | 138 invalidTileKeys.append(it->first); |
139 } | 139 } |
140 for (size_t i = 0; i < invalidTileKeys.size(); ++i) | 140 for (size_t i = 0; i < invalidTileKeys.size(); ++i) |
141 m_tiles.erase(invalidTileKeys[i]); | 141 m_tiles.erase(invalidTileKeys[i]); |
142 } | 142 } |
143 | 143 |
144 IntSize CCLayerTilingData::bounds() const | 144 IntSize LayerTilingData::bounds() const |
145 { | 145 { |
146 return m_tilingData.totalSize(); | 146 return m_tilingData.totalSize(); |
147 } | 147 } |
148 | 148 |
149 } // namespace cc | 149 } // namespace cc |
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