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/*
* Copyright (C) 2006 Apple Computer, Inc.
*
* 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 "LocalCurrentGraphicsContext.h"
#include <AppKit/NSGraphicsContext.h>
namespace WebCore {
LocalCurrentGraphicsContext::LocalCurrentGraphicsContext(GraphicsContext* graphicsContext)
: m_didSetGraphicsContext(false)
{
m_savedGraphicsContext = graphicsContext;
graphicsContext->save();
CGContextRef cgContext = this->cgContext();
if (cgContext == [[NSGraphicsContext currentContext] graphicsPort]) {
m_savedNSGraphicsContext = 0;
return;
}
m_savedNSGraphicsContext = [[NSGraphicsContext currentContext] retain];
NSGraphicsContext* newContext = [NSGraphicsContext graphicsContextWithGraphicsPort:cgContext flipped:YES];
[NSGraphicsContext setCurrentContext:newContext];
m_didSetGraphicsContext = true;
}
LocalCurrentGraphicsContext::~LocalCurrentGraphicsContext()
{
if (m_didSetGraphicsContext) {
[NSGraphicsContext setCurrentContext:m_savedNSGraphicsContext];
[m_savedNSGraphicsContext release];
}
m_savedGraphicsContext->restore();
}
CGContextRef LocalCurrentGraphicsContext::cgContext()
{
CGContextRef cgContext = m_savedGraphicsContext->platformContext();
return cgContext;
}
}
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