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| 1 // Copyright 2013 The Chromium Authors. All rights reserved. | 1 // Copyright 2013 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 #ifndef SKY_ENGINE_CORE_FRAME_IMAGEBITMAP_H_ | 5 #ifndef SKY_ENGINE_CORE_FRAME_IMAGEBITMAP_H_ |
| 6 #define SKY_ENGINE_CORE_FRAME_IMAGEBITMAP_H_ | 6 #define SKY_ENGINE_CORE_FRAME_IMAGEBITMAP_H_ |
| 7 | 7 |
| 8 #include "sky/engine/tonic/dart_wrappable.h" | 8 #include "sky/engine/tonic/dart_wrappable.h" |
| 9 #include "sky/engine/core/html/HTMLImageElement.h" | 9 #include "sky/engine/core/html/HTMLImageElement.h" |
| 10 #include "sky/engine/core/html/canvas/CanvasImageSource.h" | |
| 11 #include "sky/engine/platform/geometry/IntRect.h" | 10 #include "sky/engine/platform/geometry/IntRect.h" |
| 12 #include "sky/engine/platform/graphics/Image.h" | 11 #include "sky/engine/platform/graphics/Image.h" |
| 13 #include "sky/engine/platform/heap/Handle.h" | 12 #include "sky/engine/platform/heap/Handle.h" |
| 14 #include "sky/engine/wtf/PassRefPtr.h" | 13 #include "sky/engine/wtf/PassRefPtr.h" |
| 15 #include "sky/engine/wtf/RefCounted.h" | 14 #include "sky/engine/wtf/RefCounted.h" |
| 16 | 15 |
| 17 namespace blink { | 16 namespace blink { |
| 18 | 17 |
| 19 class HTMLCanvasElement; | |
| 20 class ImageData; | 18 class ImageData; |
| 21 | 19 |
| 22 class ImageBitmap final : public RefCounted<ImageBitmap>, public DartWrappable,
public ImageLoaderClient, public CanvasImageSource { | 20 class ImageBitmap final : public RefCounted<ImageBitmap>, public DartWrappable,
public ImageLoaderClient { |
| 23 DEFINE_WRAPPERTYPEINFO(); | 21 DEFINE_WRAPPERTYPEINFO(); |
| 24 public: | 22 public: |
| 25 static PassRefPtr<ImageBitmap> create(HTMLImageElement*, const IntRect&); | 23 static PassRefPtr<ImageBitmap> create(HTMLImageElement*, const IntRect&); |
| 26 static PassRefPtr<ImageBitmap> create(HTMLCanvasElement*, const IntRect&); | |
| 27 static PassRefPtr<ImageBitmap> create(ImageData*, const IntRect&); | 24 static PassRefPtr<ImageBitmap> create(ImageData*, const IntRect&); |
| 28 static PassRefPtr<ImageBitmap> create(ImageBitmap*, const IntRect&); | 25 static PassRefPtr<ImageBitmap> create(ImageBitmap*, const IntRect&); |
| 29 static PassRefPtr<ImageBitmap> create(Image*, const IntRect&); | 26 static PassRefPtr<ImageBitmap> create(Image*, const IntRect&); |
| 30 | 27 |
| 31 PassRefPtr<Image> bitmapImage() const; | 28 PassRefPtr<Image> bitmapImage() const; |
| 32 PassRefPtr<HTMLImageElement> imageElement() const { return m_imageElement; } | 29 PassRefPtr<HTMLImageElement> imageElement() const { return m_imageElement; } |
| 33 | 30 |
| 34 IntRect bitmapRect() const { return m_bitmapRect; } | 31 IntRect bitmapRect() const { return m_bitmapRect; } |
| 35 | 32 |
| 36 int width() const { return m_cropRect.width(); } | 33 int width() const { return m_cropRect.width(); } |
| 37 int height() const { return m_cropRect.height(); } | 34 int height() const { return m_cropRect.height(); } |
| 38 IntSize size() const { return m_cropRect.size(); } | 35 IntSize size() const { return m_cropRect.size(); } |
| 39 | 36 |
| 40 virtual ~ImageBitmap(); | 37 virtual ~ImageBitmap(); |
| 41 | 38 |
| 42 // CanvasImageSource implementation | |
| 43 virtual PassRefPtr<Image> getSourceImageForCanvas(SourceImageMode, SourceIma
geStatus*) const override; | |
| 44 virtual void adjustDrawRects(FloatRect* srcRect, FloatRect* dstRect) const o
verride; | |
| 45 virtual FloatSize sourceSize() const override; | |
| 46 | |
| 47 private: | 39 private: |
| 48 ImageBitmap(HTMLImageElement*, const IntRect&); | 40 ImageBitmap(HTMLImageElement*, const IntRect&); |
| 49 ImageBitmap(HTMLCanvasElement*, const IntRect&); | |
| 50 ImageBitmap(ImageData*, const IntRect&); | 41 ImageBitmap(ImageData*, const IntRect&); |
| 51 ImageBitmap(ImageBitmap*, const IntRect&); | 42 ImageBitmap(ImageBitmap*, const IntRect&); |
| 52 ImageBitmap(Image*, const IntRect&); | 43 ImageBitmap(Image*, const IntRect&); |
| 53 | 44 |
| 54 // ImageLoaderClient | 45 // ImageLoaderClient |
| 55 virtual void notifyImageSourceChanged() override; | 46 virtual void notifyImageSourceChanged() override; |
| 56 virtual bool requestsHighLiveResourceCachePriority() override { return true;
} | 47 virtual bool requestsHighLiveResourceCachePriority() override { return true;
} |
| 57 | 48 |
| 58 // ImageBitmaps constructed from HTMLImageElements hold a reference to the H
TMLImageElement until | 49 // ImageBitmaps constructed from HTMLImageElements hold a reference to the H
TMLImageElement until |
| 59 // the image source changes. | 50 // the image source changes. |
| 60 RefPtr<HTMLImageElement> m_imageElement; | 51 RefPtr<HTMLImageElement> m_imageElement; |
| 61 RefPtr<Image> m_bitmap; | 52 RefPtr<Image> m_bitmap; |
| 62 | 53 |
| 63 IntRect m_bitmapRect; // The rect where the underlying Image should be place
d in reference to the ImageBitmap. | 54 IntRect m_bitmapRect; // The rect where the underlying Image should be place
d in reference to the ImageBitmap. |
| 64 IntRect m_cropRect; | 55 IntRect m_cropRect; |
| 65 | 56 |
| 66 // The offset by which the desired Image is stored internally. | 57 // The offset by which the desired Image is stored internally. |
| 67 // ImageBitmaps constructed from HTMLImageElements reference the entire Imag
eResource and may have a non-zero bitmap offset. | 58 // ImageBitmaps constructed from HTMLImageElements reference the entire Imag
eResource and may have a non-zero bitmap offset. |
| 68 // ImageBitmaps not constructed from HTMLImageElements always pre-crop and s
tore the image at (0, 0). | 59 // ImageBitmaps not constructed from HTMLImageElements always pre-crop and s
tore the image at (0, 0). |
| 69 IntPoint m_bitmapOffset; | 60 IntPoint m_bitmapOffset; |
| 70 | 61 |
| 71 }; | 62 }; |
| 72 | 63 |
| 73 } // namespace blink | 64 } // namespace blink |
| 74 | 65 |
| 75 #endif // SKY_ENGINE_CORE_FRAME_IMAGEBITMAP_H_ | 66 #endif // SKY_ENGINE_CORE_FRAME_IMAGEBITMAP_H_ |
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