diff options
Diffstat (limited to 'Source/WebCore/html/canvas/Uint8ClampedArray.cpp')
-rw-r--r-- | Source/WebCore/html/canvas/Uint8ClampedArray.cpp | 73 |
1 files changed, 73 insertions, 0 deletions
diff --git a/Source/WebCore/html/canvas/Uint8ClampedArray.cpp b/Source/WebCore/html/canvas/Uint8ClampedArray.cpp new file mode 100644 index 0000000..32828d1 --- /dev/null +++ b/Source/WebCore/html/canvas/Uint8ClampedArray.cpp @@ -0,0 +1,73 @@ +/* + * Copyright (C) 2009 Apple Inc. All rights reserved. + * Copyright (C) 2009 Google Inc. All rights reserved. + * Copyright (C) 2012 Sony Mobile Communications AB. + * + * 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. + */ + +#include "config.h" +#include "Uint8ClampedArray.h" + +namespace WebCore { + +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); +} +} |