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1 // Copyright 2010 The Chromium Authors. All rights reserved. | 1 // Copyright 2010 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 #include "config.h" | 5 #include "config.h" |
6 | 6 |
7 #include "cc/image_layer.h" | 7 #include "cc/image_layer.h" |
8 | 8 |
9 #include "base/compiler_specific.h" | 9 #include "base/compiler_specific.h" |
10 #include "cc/layer_updater.h" | 10 #include "cc/layer_updater.h" |
11 #include "cc/layer_tree_host.h" | 11 #include "cc/layer_tree_host.h" |
12 #include "cc/resource_update_queue.h" | 12 #include "cc/resource_update_queue.h" |
13 | 13 |
14 namespace cc { | 14 namespace cc { |
15 | 15 |
16 class ImageLayerUpdater : public LayerUpdater { | 16 class ImageLayerUpdater : public LayerUpdater { |
17 public: | 17 public: |
18 class Resource : public LayerUpdater::Resource { | 18 class Resource : public LayerUpdater::Resource { |
19 public: | 19 public: |
20 Resource(ImageLayerUpdater* updater, scoped_ptr<PrioritizedTexture> text
ure) | 20 Resource(ImageLayerUpdater* updater, scoped_ptr<PrioritizedTexture> text
ure) |
21 : LayerUpdater::Resource(texture.Pass()) | 21 : LayerUpdater::Resource(texture.Pass()) |
22 , m_updater(updater) | 22 , m_updater(updater) |
23 { | 23 { |
24 } | 24 } |
25 | 25 |
26 virtual void update(ResourceUpdateQueue& queue, const IntRect& sourceRec
t, const IntSize& destOffset, bool partialUpdate, RenderingStats&) OVERRIDE | 26 virtual void update(ResourceUpdateQueue& queue, const gfx::Rect& sourceR
ect, const gfx::Vector2d& destOffset, bool partialUpdate, RenderingStats&) OVERR
IDE |
27 { | 27 { |
28 updater()->updateTexture(queue, texture(), sourceRect, destOffset, p
artialUpdate); | 28 updater()->updateTexture(queue, texture(), sourceRect, destOffset, p
artialUpdate); |
29 } | 29 } |
30 | 30 |
31 private: | 31 private: |
32 ImageLayerUpdater* updater() { return m_updater; } | 32 ImageLayerUpdater* updater() { return m_updater; } |
33 | 33 |
34 ImageLayerUpdater* m_updater; | 34 ImageLayerUpdater* m_updater; |
35 }; | 35 }; |
36 | 36 |
37 static scoped_refptr<ImageLayerUpdater> create() | 37 static scoped_refptr<ImageLayerUpdater> create() |
38 { | 38 { |
39 return make_scoped_refptr(new ImageLayerUpdater()); | 39 return make_scoped_refptr(new ImageLayerUpdater()); |
40 } | 40 } |
41 | 41 |
42 virtual scoped_ptr<LayerUpdater::Resource> createResource( | 42 virtual scoped_ptr<LayerUpdater::Resource> createResource( |
43 PrioritizedTextureManager* manager) OVERRIDE | 43 PrioritizedTextureManager* manager) OVERRIDE |
44 { | 44 { |
45 return scoped_ptr<LayerUpdater::Resource>(new Resource(this, Prioritized
Texture::create(manager))); | 45 return scoped_ptr<LayerUpdater::Resource>(new Resource(this, Prioritized
Texture::create(manager))); |
46 } | 46 } |
47 | 47 |
48 void updateTexture(ResourceUpdateQueue& queue, PrioritizedTexture* texture,
const IntRect& sourceRect, const IntSize& destOffset, bool partialUpdate) | 48 void updateTexture(ResourceUpdateQueue& queue, PrioritizedTexture* texture,
const gfx::Rect& sourceRect, const gfx::Vector2d& destOffset, bool partialUpdate
) |
49 { | 49 { |
50 // Source rect should never go outside the image pixels, even if this | 50 // Source rect should never go outside the image pixels, even if this |
51 // is requested because the texture extends outside the image. | 51 // is requested because the texture extends outside the image. |
52 IntRect clippedSourceRect = sourceRect; | 52 gfx::Rect clippedSourceRect = sourceRect; |
53 IntRect imageRect = IntRect(0, 0, m_bitmap.width(), m_bitmap.height()); | 53 gfx::Rect imageRect = gfx::Rect(0, 0, m_bitmap.width(), m_bitmap.height(
)); |
54 clippedSourceRect.intersect(imageRect); | 54 clippedSourceRect.Intersect(imageRect); |
55 | 55 |
56 IntSize clippedDestOffset = destOffset + IntSize(clippedSourceRect.locat
ion() - sourceRect.location()); | 56 gfx::Vector2d clippedDestOffset = destOffset + (clippedSourceRect.origin
() - sourceRect.origin()); |
57 | 57 |
58 ResourceUpdate upload = ResourceUpdate::Create(texture, | 58 ResourceUpdate upload = ResourceUpdate::Create(texture, |
59 &m_bitmap, | 59 &m_bitmap, |
60 imageRect, | 60 imageRect, |
61 clippedSourceRect, | 61 clippedSourceRect, |
62 clippedDestOffset); | 62 clippedDestOffset); |
63 if (partialUpdate) | 63 if (partialUpdate) |
64 queue.appendPartialUpload(upload); | 64 queue.appendPartialUpload(upload); |
65 else | 65 else |
66 queue.appendFullUpload(upload); | 66 queue.appendFullUpload(upload); |
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150 return !m_bitmap.isNull() && TiledLayer::drawsContent(); | 150 return !m_bitmap.isNull() && TiledLayer::drawsContent(); |
151 } | 151 } |
152 | 152 |
153 bool ImageLayer::needsContentsScale() const | 153 bool ImageLayer::needsContentsScale() const |
154 { | 154 { |
155 // Contents scale is not need for image layer because this can be done in co
mpositor more efficiently. | 155 // Contents scale is not need for image layer because this can be done in co
mpositor more efficiently. |
156 return false; | 156 return false; |
157 } | 157 } |
158 | 158 |
159 } | 159 } |
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