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/*
* Copyright (C) 2006 Nikolas Zimmermann <zimmermann@kde.org>
* Copyright (C) 2007, 2008 Apple 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:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. 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.
*
* THIS SOFTWARE IS PROVIDED BY APPLE COMPUTER, INC. ``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 APPLE COMPUTER, INC. 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, DATA, OR
* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
* OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#ifndef ImageBuffer_h
#define ImageBuffer_h
#include "Image.h"
#include "IntSize.h"
#include <wtf/OwnPtr.h>
#include <wtf/PassRefPtr.h>
#include <memory>
#if !PLATFORM(CG)
#include "NotImplemented.h"
#endif
#if PLATFORM(CG)
typedef struct CGImage* CGImageRef;
#endif
#if PLATFORM(QT)
#include <QPixmap>
QT_BEGIN_NAMESPACE
class QPainter;
QT_END_NAMESPACE
#endif
#if PLATFORM(CAIRO)
typedef struct _cairo_surface cairo_surface_t;
#endif
namespace WebCore {
class GraphicsContext;
class ImageData;
class IntPoint;
class IntRect;
class RenderObject;
class String;
class ImageBuffer : Noncopyable {
public:
static std::auto_ptr<ImageBuffer> create(const IntSize&, bool grayScale);
~ImageBuffer();
IntSize size() const { return m_size; }
GraphicsContext* context() const;
#if PLATFORM(CG)
CGImageRef cgImage() const { return image()->getCGImageRef(); }
#elif PLATFORM(QT)
QPixmap* pixmap() const;
#elif PLATFORM(CAIRO)
cairo_surface_t* surface() const;
#endif
#if PLATFORM(CG) || PLATFORM(CAIRO) || PLATFORM(QT)
Image* image() const;
#else
Image* image() const { notImplemented(); return 0; }
#endif
void clearImage() { m_image.clear(); }
PassRefPtr<ImageData> getImageData(const IntRect& rect) const;
void putImageData(ImageData* source, const IntRect& sourceRect, const IntPoint& destPoint);
String toDataURL(const String& mimeType) const;
private:
void* m_data;
IntSize m_size;
OwnPtr<GraphicsContext> m_context;
mutable OwnPtr<Image> m_image;
#if PLATFORM(CG)
ImageBuffer(void* imageData, const IntSize&, std::auto_ptr<GraphicsContext>);
#elif PLATFORM(QT)
ImageBuffer(const QPixmap &px);
mutable QPixmap m_pixmap;
mutable QPainter* m_painter;
#elif PLATFORM(CAIRO)
ImageBuffer(cairo_surface_t* surface);
mutable cairo_surface_t* m_surface;
#endif
};
} // namespace WebCore
#endif // ImageBuffer_h
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