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Unified Diff: webkit/port/bindings/v8/CanvasPixelArray.cpp

Issue 16617: Chrome side of webkit merge to 40124.... (Closed) Base URL: svn://chrome-svn/chrome/trunk/src/
Patch Set: '' Created 11 years, 11 months ago
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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
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