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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 "cc/picture_image_layer.h" | 5 #include "cc/picture_image_layer.h" |
| 6 | 6 |
| 7 #include "cc/picture_image_layer_impl.h" | 7 #include "cc/picture_image_layer_impl.h" |
| 8 #include "third_party/skia/include/core/SkCanvas.h" | 8 #include "third_party/skia/include/core/SkCanvas.h" |
| 9 | 9 |
| 10 namespace cc { | 10 namespace cc { |
| 11 | 11 |
| 12 scoped_refptr<PictureImageLayer> PictureImageLayer::create() | 12 scoped_refptr<PictureImageLayer> PictureImageLayer::Create() |
| 13 { | 13 { |
| 14 return make_scoped_refptr(new PictureImageLayer()); | 14 return make_scoped_refptr(new PictureImageLayer()); |
| 15 } | 15 } |
| 16 | 16 |
| 17 PictureImageLayer::PictureImageLayer() | 17 PictureImageLayer::PictureImageLayer() |
| 18 : PictureLayer(this) | 18 : PictureLayer(this) |
| 19 { | 19 { |
| 20 } | 20 } |
| 21 | 21 |
| 22 PictureImageLayer::~PictureImageLayer() | 22 PictureImageLayer::~PictureImageLayer() |
| 23 { | 23 { |
| 24 clearClient(); | 24 clearClient(); |
| 25 } | 25 } |
| 26 | 26 |
| 27 scoped_ptr<LayerImpl> PictureImageLayer::createLayerImpl( | 27 scoped_ptr<LayerImpl> PictureImageLayer::CreateLayerImpl( |
| 28 LayerTreeImpl* treeImpl) { | 28 LayerTreeImpl* treeImpl) { |
| 29 return PictureImageLayerImpl::create(treeImpl, id()).PassAs<LayerImpl>(); | 29 return PictureImageLayerImpl::Create(treeImpl, id()).PassAs<LayerImpl>(); |
| 30 } | 30 } |
| 31 | 31 |
| 32 bool PictureImageLayer::drawsContent() const { | 32 bool PictureImageLayer::DrawsContent() const { |
| 33 return !bitmap_.isNull() && PictureLayer::drawsContent(); | 33 return !bitmap_.isNull() && PictureLayer::DrawsContent(); |
| 34 } | 34 } |
| 35 | 35 |
| 36 void PictureImageLayer::setBitmap(const SkBitmap& bitmap) | 36 void PictureImageLayer::setBitmap(const SkBitmap& bitmap) |
| 37 { | 37 { |
| 38 // setBitmap() currently gets called whenever there is any | 38 // setBitmap() currently gets called whenever there is any |
| 39 // style change that affects the layer even if that change doesn't | 39 // style change that affects the layer even if that change doesn't |
| 40 // affect the actual contents of the image (e.g. a CSS animation). | 40 // affect the actual contents of the image (e.g. a CSS animation). |
| 41 // With this check in place we avoid unecessary texture uploads. | 41 // With this check in place we avoid unecessary texture uploads. |
| 42 if (bitmap.pixelRef() && bitmap.pixelRef() == bitmap_.pixelRef()) | 42 if (bitmap.pixelRef() && bitmap.pixelRef() == bitmap_.pixelRef()) |
| 43 return; | 43 return; |
| 44 | 44 |
| 45 bitmap_ = bitmap; | 45 bitmap_ = bitmap; |
| 46 setNeedsDisplay(); | 46 SetNeedsDisplay(); |
| 47 } | 47 } |
| 48 | 48 |
| 49 void PictureImageLayer::paintContents( | 49 void PictureImageLayer::paintContents( |
| 50 SkCanvas* canvas, | 50 SkCanvas* canvas, |
| 51 const gfx::Rect& clip, | 51 const gfx::Rect& clip, |
| 52 gfx::RectF& opaque) { | 52 gfx::RectF& opaque) { |
| 53 if (!bitmap_.width() || !bitmap_.height()) | 53 if (!bitmap_.width() || !bitmap_.height()) |
| 54 return; | 54 return; |
| 55 | 55 |
| 56 SkScalar content_to_layer_scale_x = SkFloatToScalar( | 56 SkScalar content_to_layer_scale_x = SkFloatToScalar( |
| 57 static_cast<float>(bounds().width()) / bitmap_.width()); | 57 static_cast<float>(bounds().width()) / bitmap_.width()); |
| 58 SkScalar content_to_layer_scale_y = SkFloatToScalar( | 58 SkScalar content_to_layer_scale_y = SkFloatToScalar( |
| 59 static_cast<float>(bounds().height()) / bitmap_.height()); | 59 static_cast<float>(bounds().height()) / bitmap_.height()); |
| 60 canvas->scale(content_to_layer_scale_x, content_to_layer_scale_y); | 60 canvas->scale(content_to_layer_scale_x, content_to_layer_scale_y); |
| 61 | 61 |
| 62 canvas->drawBitmap(bitmap_, 0, 0); | 62 canvas->drawBitmap(bitmap_, 0, 0); |
| 63 } | 63 } |
| 64 | 64 |
| 65 } // namespace cc | 65 } // namespace cc |
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