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/*
* Copyright (C) 2006-2017 Apple Inc. All rights reserved.
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Library General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Library General Public License for more details.
*
* You should have received a copy of the GNU Library General Public License
* along with this library; see the file COPYING.LIB. If not, write to
* the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
* Boston, MA 02110-1301, USA.
*/
#include "config.h"
#include "JSCanvasRenderingContext2D.h"
#include "CanvasGradient.h"
#include "CanvasPattern.h"
#include "CanvasRenderingContext2D.h"
#include "CanvasStyle.h"
#include "HTMLCanvasElement.h"
#include "HTMLImageElement.h"
#include "ImageData.h"
#include "JSCanvasGradient.h"
#include "JSCanvasPattern.h"
#include "JSHTMLCanvasElement.h"
#include "JSHTMLImageElement.h"
#include "JSImageData.h"
using namespace JSC;
namespace WebCore {
bool JSCanvasRenderingContext2DOwner::isReachableFromOpaqueRoots(JSC::Handle<JSC::Unknown> handle, void*, SlotVisitor& visitor)
{
JSCanvasRenderingContext2D* jsCanvasRenderingContext = jsCast<JSCanvasRenderingContext2D*>(handle.slot()->asCell());
void* root = WebCore::root(jsCanvasRenderingContext->wrapped().canvas());
return visitor.containsOpaqueRoot(root);
}
void JSCanvasRenderingContext2D::visitAdditionalChildren(SlotVisitor& visitor)
{
visitor.addOpaqueRoot(root(wrapped().canvas()));
}
} // namespace WebCore
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