Source/WebCore/bindings/v8/custom/V8ImageDataCustom.cpp

/*
 * Copyright (C) 2010 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,
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 */

#include "config.h"
#include "V8ImageData.h"

#include "V8CanvasPixelArray.h"

namespace WebCore {

v8::Handle<v8::Value> toV8(ImageData* impl)
{
    if (!impl)
        return v8::Null();
    v8::Handle<v8::Object> wrapper = V8ImageData::wrap(impl);
    if (!wrapper.IsEmpty()) {
        // Create a V8 CanvasPixelArray object.
        v8::Handle<v8::Value> pixelArray = toV8(impl->data());
        // Set the "data" property of the ImageData object to
        // the created v8 object, eliminating the C++ callback
        // when accessing the "data" property.
        if (!pixelArray.IsEmpty()) {
            wrapper->Set(v8::String::NewSymbol("data"),
                         pixelArray,
                         v8::ReadOnly);
        }
    }

    return wrapper;
}

} // namespace WebCore