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-rw-r--r--WebCore/html/CanvasPixelArray.h72
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diff --git a/WebCore/html/CanvasPixelArray.h b/WebCore/html/CanvasPixelArray.h
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--- a/WebCore/html/CanvasPixelArray.h
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-/*
- * Copyright (C) 2008 Apple Inc. All rights reserved.
- *
- * 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.
- * 3. Neither the name of Apple Computer, Inc. ("Apple") nor the names of
- * its contributors may be used to endorse or promote products derived
- * from this software without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY APPLE AND ITS CONTRIBUTORS "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 OR ITS 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 CanvasPixelArray_h
-#define CanvasPixelArray_h
-
-#include <wtf/MathExtras.h>
-#include <wtf/PassRefPtr.h>
-#include <wtf/RefCounted.h>
-#include <wtf/Vector.h>
-
-namespace WebCore {
-
- class CanvasPixelArray : public RefCounted<CanvasPixelArray> {
- public:
- static PassRefPtr<CanvasPixelArray> create(unsigned size);
-
- Vector<unsigned char>& data() { return m_data; }
- unsigned length() const { return m_data.size(); }
-
- void set(unsigned index, double value)
- {
- if (index >= m_data.size())
- return;
- if (!(value > 0)) // Clamp NaN to 0
- value = 0;
- else if (value > 255)
- value = 255;
- m_data[index] = static_cast<unsigned char>(value + 0.5);
- }
-
- bool get(unsigned index, unsigned char& result) const
- {
- if (index >= m_data.size())
- return false;
- result = m_data[index];
- return true;
- }
-
- private:
- CanvasPixelArray(unsigned size);
- Vector<unsigned char> m_data;
- };
-
-} // namespace WebCore
-
-#endif // CanvasPixelArray_h