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1 /* | 1 /* |
2 * Copyright (C) 2008, 2009 Apple Inc. All rights reserved. | 2 * Copyright (C) 2008, 2009 Apple Inc. All rights reserved. |
3 * | 3 * |
4 * Redistribution and use in source and binary forms, with or without | 4 * Redistribution and use in source and binary forms, with or without |
5 * modification, are permitted provided that the following conditions | 5 * modification, are permitted provided that the following conditions |
6 * are met: | 6 * are met: |
7 * | 7 * |
8 * 1. Redistributions of source code must retain the above copyright | 8 * 1. Redistributions of source code must retain the above copyright |
9 * notice, this list of conditions and the following disclaimer. | 9 * notice, this list of conditions and the following disclaimer. |
10 * 2. Redistributions in binary form must reproduce the above copyright | 10 * 2. Redistributions in binary form must reproduce the above copyright |
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24 * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT | 24 * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
25 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF | 25 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
26 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. | 26 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
27 */ | 27 */ |
28 | 28 |
29 #ifndef ImageData_h | 29 #ifndef ImageData_h |
30 #define ImageData_h | 30 #define ImageData_h |
31 | 31 |
32 #include "bindings/core/v8/ScriptWrappable.h" | 32 #include "bindings/core/v8/ScriptWrappable.h" |
33 #include "core/CoreExport.h" | 33 #include "core/CoreExport.h" |
34 #include "core/dom/DOMArrayBufferView.h" | |
35 #include "core/dom/DOMTypedArray.h" | 34 #include "core/dom/DOMTypedArray.h" |
36 #include "core/imagebitmap/ImageBitmapSource.h" | 35 #include "core/imagebitmap/ImageBitmapSource.h" |
37 #include "platform/geometry/IntRect.h" | 36 #include "platform/geometry/IntRect.h" |
38 #include "platform/geometry/IntSize.h" | 37 #include "platform/geometry/IntSize.h" |
39 #include "platform/heap/Handle.h" | 38 #include "platform/heap/Handle.h" |
40 #include "wtf/CheckedNumeric.h" | |
41 #include "wtf/Compiler.h" | 39 #include "wtf/Compiler.h" |
42 #include "wtf/text/WTFString.h" | |
43 | 40 |
44 namespace blink { | 41 namespace blink { |
45 | 42 |
46 class ExceptionState; | 43 class ExceptionState; |
47 class ImageBitmapOptions; | 44 class ImageBitmapOptions; |
48 | 45 |
49 enum ConstructorParams { | |
50 kParamSize = 1, | |
51 kParamWidth = 1 << 1, | |
52 kParamHeight = 1 << 2, | |
53 kParamData = 1 << 3, | |
54 kParamColorSpace = 1 << 4, | |
55 }; | |
56 | |
57 enum ImageDataType { | |
58 kUint8ClampedImageData, | |
59 kFloat32ImageData, | |
60 }; | |
61 | |
62 enum ImageDataColorSpace { | |
63 kLegacyImageDataColorSpace, | |
64 kSRGBImageDataColorSpace, | |
65 kLinearRGBImageDataColorSpace, | |
66 }; | |
67 | |
68 const char* const kLinearRGBImageDataColorSpaceName = "linear-rgb"; | |
69 const char* const kSRGBImageDataColorSpaceName = "srgb"; | |
70 const char* const kLegacyImageDataColorSpaceName = "legacy-srgb"; | |
71 | |
72 class CORE_EXPORT ImageData final : public GarbageCollectedFinalized<ImageData>, | 46 class CORE_EXPORT ImageData final : public GarbageCollectedFinalized<ImageData>, |
73 public ScriptWrappable, | 47 public ScriptWrappable, |
74 public ImageBitmapSource { | 48 public ImageBitmapSource { |
75 DEFINE_WRAPPERTYPEINFO(); | 49 DEFINE_WRAPPERTYPEINFO(); |
76 | 50 |
77 public: | 51 public: |
78 static ImageData* create(const IntSize&); | 52 static ImageData* create(const IntSize&); |
79 static ImageData* create(const IntSize&, DOMUint8ClampedArray*); | 53 static ImageData* create(const IntSize&, DOMUint8ClampedArray*); |
80 static ImageData* create(unsigned width, unsigned height, ExceptionState&); | 54 static ImageData* create(unsigned width, unsigned height, ExceptionState&); |
81 static ImageData* create(DOMUint8ClampedArray*, | 55 static ImageData* create(DOMUint8ClampedArray*, |
82 unsigned width, | 56 unsigned width, |
83 ExceptionState&); | 57 ExceptionState&); |
84 static ImageData* create(DOMUint8ClampedArray*, | 58 static ImageData* create(DOMUint8ClampedArray*, |
85 unsigned width, | 59 unsigned width, |
86 unsigned height, | 60 unsigned height, |
87 ExceptionState&); | 61 ExceptionState&); |
88 | 62 |
89 static ImageData* createForTest(const IntSize&); | |
90 | |
91 ImageData* createImageData(unsigned width, | |
92 unsigned height, | |
93 String colorSpace, | |
94 ExceptionState&); | |
95 ImageData* createImageData(DOMUint8ClampedArray*, | |
96 unsigned width, | |
97 String colorSpace, | |
98 ExceptionState&); | |
99 ImageData* createImageData(DOMUint8ClampedArray*, | |
100 unsigned width, | |
101 unsigned height, | |
102 String colorSpace, | |
103 ExceptionState&); | |
104 | |
105 static ImageDataColorSpace getImageDataColorSpace(String); | |
106 static String getImageDataColorSpaceName(ImageDataColorSpace); | |
107 | |
108 IntSize size() const { return m_size; } | 63 IntSize size() const { return m_size; } |
109 int width() const { return m_size.width(); } | 64 int width() const { return m_size.width(); } |
110 int height() const { return m_size.height(); } | 65 int height() const { return m_size.height(); } |
111 String colorSpace() const { return getImageDataColorSpaceName(m_colorSpace); } | |
112 ImageDataColorSpace imageDataColorSpace() { return m_colorSpace; } | |
113 const DOMUint8ClampedArray* data() const { return m_data.get(); } | 66 const DOMUint8ClampedArray* data() const { return m_data.get(); } |
114 DOMUint8ClampedArray* data() { return m_data.get(); } | 67 DOMUint8ClampedArray* data() { return m_data.get(); } |
115 | 68 |
116 // ImageBitmapSource implementation | 69 // ImageBitmapSource implementation |
117 IntSize bitmapSourceSize() const override { return m_size; } | 70 IntSize bitmapSourceSize() const override { return m_size; } |
118 ScriptPromise createImageBitmap(ScriptState*, | 71 ScriptPromise createImageBitmap(ScriptState*, |
119 EventTarget&, | 72 EventTarget&, |
120 Optional<IntRect> cropRect, | 73 Optional<IntRect> cropRect, |
121 const ImageBitmapOptions&, | 74 const ImageBitmapOptions&, |
122 ExceptionState&) override; | 75 ExceptionState&) override; |
123 | 76 |
124 DEFINE_INLINE_TRACE() { visitor->trace(m_data); } | 77 DEFINE_INLINE_TRACE() { visitor->trace(m_data); } |
125 | 78 |
126 WARN_UNUSED_RESULT v8::Local<v8::Object> associateWithWrapper( | 79 WARN_UNUSED_RESULT v8::Local<v8::Object> associateWithWrapper( |
127 v8::Isolate*, | 80 v8::Isolate*, |
128 const WrapperTypeInfo*, | 81 const WrapperTypeInfo*, |
129 v8::Local<v8::Object> wrapper) override; | 82 v8::Local<v8::Object> wrapper) override; |
130 | 83 |
131 static bool validateConstructorArguments( | 84 private: |
132 const unsigned&, | 85 ImageData(const IntSize&, DOMUint8ClampedArray*); |
133 const IntSize* = nullptr, | |
134 const unsigned& = 0, | |
135 const unsigned& = 0, | |
136 const DOMArrayBufferView* = nullptr, | |
137 const String* = nullptr, | |
138 ExceptionState* = nullptr, | |
139 ImageDataType = kUint8ClampedImageData); | |
140 | 86 |
141 private: | 87 static bool validateConstructorArguments(DOMUint8ClampedArray*, |
142 ImageData(const IntSize&, | 88 unsigned width, |
143 DOMUint8ClampedArray*, | 89 unsigned&, |
144 String = kLegacyImageDataColorSpaceName); | 90 ExceptionState&); |
145 | 91 |
146 IntSize m_size; | 92 IntSize m_size; |
147 ImageDataColorSpace m_colorSpace; | |
148 Member<DOMUint8ClampedArray> m_data; | 93 Member<DOMUint8ClampedArray> m_data; |
149 | |
150 static DOMUint8ClampedArray* allocateAndValidateUint8ClampedArray( | |
151 const unsigned&, | |
152 ExceptionState* = nullptr); | |
153 }; | 94 }; |
154 | 95 |
155 } // namespace blink | 96 } // namespace blink |
156 | 97 |
157 #endif // ImageData_h | 98 #endif // ImageData_h |
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