/*
* 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 "platform/graphics/GraphicsContext.h"
#include "wtf/Noncopyable.h"
#include "skia/ext/skia_utils_mac.h"
OBJC_CLASS NSGraphicsContext;
namespace WebCore {
// This class automatically saves and restores the current NSGraphicsContext for
// functions which call out into AppKit and rely on the currentContext being set
class PLATFORM_EXPORT LocalCurrentGraphicsContext {
WTF_MAKE_NONCOPYABLE(LocalCurrentGraphicsContext);
public:
LocalCurrentGraphicsContext(GraphicsContext* graphicsContext);
~LocalCurrentGraphicsContext();
CGContextRef cgContext();
private:
GraphicsContext* m_savedGraphicsContext;
NSGraphicsContext* m_savedNSGraphicsContext;
bool m_didSetGraphicsContext;
gfx::SkiaBitLocker m_skiaBitLocker;
};
class PLATFORM_EXPORT ContextContainer {
WTF_MAKE_NONCOPYABLE(ContextContainer);
public:
ContextContainer(GraphicsContext*);
// This synchronizes the CGContext to reflect the current SkCanvas state.
// The implementation may not return the same CGContext each time.
CGContextRef context() { return m_skiaBitLocker.cgContext(); }
private:
gfx::SkiaBitLocker m_skiaBitLocker;
};
}