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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 |
| (...skipping 13 matching lines...) Expand all Loading... |
| 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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