Index: webkit/port/bindings/v8/CanvasPixelArray.cpp |
=================================================================== |
--- webkit/port/bindings/v8/CanvasPixelArray.cpp (revision 8475) |
+++ webkit/port/bindings/v8/CanvasPixelArray.cpp (working copy) |
@@ -1,82 +0,0 @@ |
-/* |
- * Copyright (c) 2009, Google 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: |
- * |
- * * Redistributions of source code must retain the above copyright |
- * notice, this list of conditions and the following disclaimer. |
- * * 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. |
- * * Neither the name of Google Inc. 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 THE COPYRIGHT HOLDERS AND 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 THE COPYRIGHT |
- * OWNER 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 <CanvasPixelArray.h> |
- |
-#include <v8_proxy.h> |
-#include <wtf/Assertions.h> |
- |
-namespace WebCore { |
- |
- CanvasPixelArray::CanvasPixelArray(size_t length) |
- { |
- ASSERT((length & 3) == 0); // Length must be a multiple of 4. |
- m_length = length; |
- m_data = static_cast<unsigned char*>(fastMalloc(m_length)); |
- } |
- |
- CanvasPixelArray::~CanvasPixelArray() |
- { |
- fastFree(m_data); |
- // Ensure that accesses after destruction will fail. In case there is a |
- // dangling reference. |
- m_length = 0; |
- m_data = reinterpret_cast<unsigned char*>(-1); |
- } |
- |
- size_t CanvasPixelArray::length() const |
- { |
- return m_length; |
- } |
- |
- unsigned char* CanvasPixelArray::data() |
- { |
- return m_data; |
- } |
- |
- unsigned char CanvasPixelArray::get(size_t index) |
- { |
- ASSERT(index < m_length); |
- return m_data[index]; |
- } |
- |
- void CanvasPixelArray::set(size_t index, double value) |
- { |
- ASSERT(index < m_length); |
- if (!(value > 0)) { // Test for NaN and less than zero in one go. |
- value = 0; |
- } else if (value > 255) { |
- value = 255; |
- } |
- m_data[index] = static_cast<unsigned char>(value + 0.5); |
- } |
- |
-} // namespace WebCore |