1/* 2 * Copyright (C) 2009 Apple Inc. All rights reserved. 3 * 4 * Redistribution and use in source and binary forms, with or without 5 * modification, are permitted provided that the following conditions 6 * are met: 7 * 1. Redistributions of source code must retain the above copyright 8 * notice, this list of conditions and the following disclaimer. 9 * 2. Redistributions in binary form must reproduce the above copyright 10 * notice, this list of conditions and the following disclaimer in the 11 * documentation and/or other materials provided with the distribution. 12 * 13 * THIS SOFTWARE IS PROVIDED BY APPLE INC. ``AS IS'' AND ANY 14 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 15 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 16 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR 17 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, 18 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, 19 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR 20 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY 21 * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 22 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 23 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 24 */ 25 26#include "config.h" 27#include "JSCanvasRenderingContext.h" 28 29#include "CanvasRenderingContext2D.h" 30#include "HTMLCanvasElement.h" 31#include "JSCanvasRenderingContext2D.h" 32#include "JSNode.h" 33 34#if ENABLE(WEBGL) 35#include "JSWebGLRenderingContext.h" 36#include "WebGLRenderingContext.h" 37#endif 38 39using namespace JSC; 40 41namespace WebCore { 42 43void JSCanvasRenderingContext::visitAdditionalChildren(SlotVisitor& visitor) 44{ 45 visitor.addOpaqueRoot(root(impl().canvas())); 46} 47 48JSC::JSValue toJS(JSC::ExecState*, JSDOMGlobalObject* globalObject, CanvasRenderingContext* object) 49{ 50 if (!object) 51 return jsNull(); 52 53#if ENABLE(WEBGL) 54 if (object->is3d()) 55 return wrap<JSWebGLRenderingContext>(globalObject, static_cast<WebGLRenderingContext*>(object)); 56#endif 57 ASSERT_WITH_SECURITY_IMPLICATION(object->is2d()); 58 return wrap<JSCanvasRenderingContext2D>(globalObject, static_cast<CanvasRenderingContext2D*>(object)); 59} 60 61} // namespace WebCore 62