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-rw-r--r--Source/JavaScriptCore/wtf/Uint8ClampedArray.h104
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diff --git a/Source/JavaScriptCore/wtf/Uint8ClampedArray.h b/Source/JavaScriptCore/wtf/Uint8ClampedArray.h
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--- a/Source/JavaScriptCore/wtf/Uint8ClampedArray.h
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-/*
- * Copyright (C) 2009 Apple Inc. All rights reserved.
- * Copyright (C) 2009 Google Inc. All rights reserved.
- * Copyright (C) 2012 Nokia Corporation and/or its subsidiary(-ies).
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- * 1. Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright
- * notice, this list of conditions and the following disclaimer in the
- * documentation and/or other materials provided with the distribution.
- *
- * THIS SOFTWARE IS PROVIDED BY APPLE COMPUTER, INC. ``AS IS'' AND ANY
- * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
- * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
- * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE COMPUTER, INC. OR
- * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
- * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
- * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
- * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
- * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
- * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
- * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- */
-
-#ifndef Uint8ClampedArray_h
-#define Uint8ClampedArray_h
-
-#include <wtf/Uint8Array.h>
-
-namespace WTF {
-
-class Uint8ClampedArray : public Uint8Array {
-public:
- static inline PassRefPtr<Uint8ClampedArray> create(unsigned length);
- static inline PassRefPtr<Uint8ClampedArray> create(unsigned char* array, unsigned length);
- static inline PassRefPtr<Uint8ClampedArray> create(PassRefPtr<ArrayBuffer>, unsigned byteOffset, unsigned length);
-
- // Can’t use "using" here due to a bug in the RVCT compiler.
- bool set(TypedArrayBase<unsigned char>* array, unsigned offset) { return TypedArrayBase<unsigned char>::set(array, offset); }
- inline void set(unsigned index, double value);
-
- inline PassRefPtr<Uint8ClampedArray> subarray(int start) const;
- inline PassRefPtr<Uint8ClampedArray> subarray(int start, int end) const;
-
-private:
- inline Uint8ClampedArray(PassRefPtr<ArrayBuffer>,
- unsigned byteOffset,
- unsigned length);
- // Make constructor visible to superclass.
- friend class TypedArrayBase<unsigned char>;
-
- // Overridden from ArrayBufferView.
- virtual bool isUnsignedByteClampedArray() const { return true; }
-};
-
-PassRefPtr<Uint8ClampedArray> Uint8ClampedArray::create(unsigned length)
-{
- return TypedArrayBase<unsigned char>::create<Uint8ClampedArray>(length);
-}
-
-PassRefPtr<Uint8ClampedArray> Uint8ClampedArray::create(unsigned char* array, unsigned length)
-{
- return TypedArrayBase<unsigned char>::create<Uint8ClampedArray>(array, length);
-}
-
-PassRefPtr<Uint8ClampedArray> Uint8ClampedArray::create(PassRefPtr<ArrayBuffer> buffer, unsigned byteOffset, unsigned length)
-{
- return TypedArrayBase<unsigned char>::create<Uint8ClampedArray>(buffer, byteOffset, length);
-}
-
-void Uint8ClampedArray::set(unsigned index, double value)
-{
- if (index >= m_length)
- return;
- if (isnan(value) || value < 0)
- value = 0;
- else if (value > 255)
- value = 255;
- data()[index] = static_cast<unsigned char>(value + 0.5);
-}
-
-Uint8ClampedArray::Uint8ClampedArray(PassRefPtr<ArrayBuffer> buffer, unsigned byteOffset, unsigned length)
-: Uint8Array(buffer, byteOffset, length)
-{
-}
-
-PassRefPtr<Uint8ClampedArray> Uint8ClampedArray::subarray(int start) const
-{
- return subarray(start, length());
-}
-
-PassRefPtr<Uint8ClampedArray> Uint8ClampedArray::subarray(int start, int end) const
-{
- return subarrayImpl<Uint8ClampedArray>(start, end);
-}
-
-} // namespace WTF
-
-using WTF::Uint8ClampedArray;
-
-#endif // Uint8ClampedArray_h