OLD | NEW |
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 ImageBitmap_h | 5 #ifndef ImageBitmap_h |
6 #define ImageBitmap_h | 6 #define ImageBitmap_h |
7 | 7 |
8 #include "bindings/core/v8/ScriptWrappable.h" | 8 #include "bindings/core/v8/ScriptWrappable.h" |
9 #include "core/html/HTMLImageElement.h" | 9 #include "core/html/HTMLImageElement.h" |
10 #include "core/html/canvas/CanvasImageSource.h" | 10 #include "core/html/canvas/CanvasImageSource.h" |
11 #include "platform/geometry/IntRect.h" | 11 #include "platform/geometry/IntRect.h" |
12 #include "platform/graphics/Image.h" | 12 #include "platform/graphics/Image.h" |
13 #include "platform/heap/Handle.h" | 13 #include "platform/heap/Handle.h" |
14 #include "wtf/PassRefPtr.h" | 14 #include "wtf/PassRefPtr.h" |
15 #include "wtf/RefCounted.h" | 15 #include "wtf/RefCounted.h" |
16 | 16 |
17 namespace blink { | 17 namespace blink { |
18 | 18 |
19 class HTMLCanvasElement; | 19 class HTMLCanvasElement; |
20 class HTMLVideoElement; | 20 class HTMLVideoElement; |
21 class ImageData; | 21 class ImageData; |
22 | 22 |
23 class ImageBitmap FINAL : public RefCountedWillBeGarbageCollectedFinalized<Image
Bitmap>, public ScriptWrappable, public ImageLoaderClient, public CanvasImageSou
rce { | 23 class ImageBitmap final : public RefCountedWillBeGarbageCollectedFinalized<Image
Bitmap>, public ScriptWrappable, public ImageLoaderClient, public CanvasImageSou
rce { |
24 DEFINE_WRAPPERTYPEINFO(); | 24 DEFINE_WRAPPERTYPEINFO(); |
25 WILL_BE_USING_GARBAGE_COLLECTED_MIXIN(ImageBitmap); | 25 WILL_BE_USING_GARBAGE_COLLECTED_MIXIN(ImageBitmap); |
26 public: | 26 public: |
27 static PassRefPtrWillBeRawPtr<ImageBitmap> create(HTMLImageElement*, const I
ntRect&); | 27 static PassRefPtrWillBeRawPtr<ImageBitmap> create(HTMLImageElement*, const I
ntRect&); |
28 static PassRefPtrWillBeRawPtr<ImageBitmap> create(HTMLVideoElement*, const I
ntRect&); | 28 static PassRefPtrWillBeRawPtr<ImageBitmap> create(HTMLVideoElement*, const I
ntRect&); |
29 static PassRefPtrWillBeRawPtr<ImageBitmap> create(HTMLCanvasElement*, const
IntRect&); | 29 static PassRefPtrWillBeRawPtr<ImageBitmap> create(HTMLCanvasElement*, const
IntRect&); |
30 static PassRefPtrWillBeRawPtr<ImageBitmap> create(ImageData*, const IntRect&
); | 30 static PassRefPtrWillBeRawPtr<ImageBitmap> create(ImageData*, const IntRect&
); |
31 static PassRefPtrWillBeRawPtr<ImageBitmap> create(ImageBitmap*, const IntRec
t&); | 31 static PassRefPtrWillBeRawPtr<ImageBitmap> create(ImageBitmap*, const IntRec
t&); |
32 static PassRefPtrWillBeRawPtr<ImageBitmap> create(Image*, const IntRect&); | 32 static PassRefPtrWillBeRawPtr<ImageBitmap> create(Image*, const IntRect&); |
33 | 33 |
34 PassRefPtr<Image> bitmapImage() const; | 34 PassRefPtr<Image> bitmapImage() const; |
35 PassRefPtrWillBeRawPtr<HTMLImageElement> imageElement() const { return m_ima
geElement; } | 35 PassRefPtrWillBeRawPtr<HTMLImageElement> imageElement() const { return m_ima
geElement; } |
36 | 36 |
37 IntRect bitmapRect() const { return m_bitmapRect; } | 37 IntRect bitmapRect() const { return m_bitmapRect; } |
38 | 38 |
39 int width() const { return m_cropRect.width(); } | 39 int width() const { return m_cropRect.width(); } |
40 int height() const { return m_cropRect.height(); } | 40 int height() const { return m_cropRect.height(); } |
41 IntSize size() const { return m_cropRect.size(); } | 41 IntSize size() const { return m_cropRect.size(); } |
42 | 42 |
43 virtual ~ImageBitmap(); | 43 virtual ~ImageBitmap(); |
44 | 44 |
45 // CanvasImageSource implementation | 45 // CanvasImageSource implementation |
46 virtual PassRefPtr<Image> getSourceImageForCanvas(SourceImageMode, SourceIma
geStatus*) const OVERRIDE; | 46 virtual PassRefPtr<Image> getSourceImageForCanvas(SourceImageMode, SourceIma
geStatus*) const override; |
47 virtual bool wouldTaintOrigin(SecurityOrigin*) const OVERRIDE { return false
; }; | 47 virtual bool wouldTaintOrigin(SecurityOrigin*) const override { return false
; }; |
48 virtual void adjustDrawRects(FloatRect* srcRect, FloatRect* dstRect) const O
VERRIDE; | 48 virtual void adjustDrawRects(FloatRect* srcRect, FloatRect* dstRect) const o
verride; |
49 virtual FloatSize sourceSize() const OVERRIDE; | 49 virtual FloatSize sourceSize() const override; |
50 | 50 |
51 virtual void trace(Visitor*); | 51 virtual void trace(Visitor*); |
52 | 52 |
53 private: | 53 private: |
54 ImageBitmap(HTMLImageElement*, const IntRect&); | 54 ImageBitmap(HTMLImageElement*, const IntRect&); |
55 ImageBitmap(HTMLVideoElement*, const IntRect&); | 55 ImageBitmap(HTMLVideoElement*, const IntRect&); |
56 ImageBitmap(HTMLCanvasElement*, const IntRect&); | 56 ImageBitmap(HTMLCanvasElement*, const IntRect&); |
57 ImageBitmap(ImageData*, const IntRect&); | 57 ImageBitmap(ImageData*, const IntRect&); |
58 ImageBitmap(ImageBitmap*, const IntRect&); | 58 ImageBitmap(ImageBitmap*, const IntRect&); |
59 ImageBitmap(Image*, const IntRect&); | 59 ImageBitmap(Image*, const IntRect&); |
60 | 60 |
61 // ImageLoaderClient | 61 // ImageLoaderClient |
62 virtual void notifyImageSourceChanged() OVERRIDE; | 62 virtual void notifyImageSourceChanged() override; |
63 virtual bool requestsHighLiveResourceCachePriority() OVERRIDE { return true;
} | 63 virtual bool requestsHighLiveResourceCachePriority() override { return true;
} |
64 | 64 |
65 // ImageBitmaps constructed from HTMLImageElements hold a reference to the H
TMLImageElement until | 65 // ImageBitmaps constructed from HTMLImageElements hold a reference to the H
TMLImageElement until |
66 // the image source changes. | 66 // the image source changes. |
67 RefPtrWillBeMember<HTMLImageElement> m_imageElement; | 67 RefPtrWillBeMember<HTMLImageElement> m_imageElement; |
68 RefPtr<Image> m_bitmap; | 68 RefPtr<Image> m_bitmap; |
69 | 69 |
70 IntRect m_bitmapRect; // The rect where the underlying Image should be place
d in reference to the ImageBitmap. | 70 IntRect m_bitmapRect; // The rect where the underlying Image should be place
d in reference to the ImageBitmap. |
71 IntRect m_cropRect; | 71 IntRect m_cropRect; |
72 | 72 |
73 // The offset by which the desired Image is stored internally. | 73 // The offset by which the desired Image is stored internally. |
74 // ImageBitmaps constructed from HTMLImageElements reference the entire Imag
eResource and may have a non-zero bitmap offset. | 74 // ImageBitmaps constructed from HTMLImageElements reference the entire Imag
eResource and may have a non-zero bitmap offset. |
75 // ImageBitmaps not constructed from HTMLImageElements always pre-crop and s
tore the image at (0, 0). | 75 // ImageBitmaps not constructed from HTMLImageElements always pre-crop and s
tore the image at (0, 0). |
76 IntPoint m_bitmapOffset; | 76 IntPoint m_bitmapOffset; |
77 | 77 |
78 }; | 78 }; |
79 | 79 |
80 } // namespace blink | 80 } // namespace blink |
81 | 81 |
82 #endif // ImageBitmap_h | 82 #endif // ImageBitmap_h |
OLD | NEW |