/* * Copyright (C) 2006 Nikolas Zimmermann <zimmermann@kde.org> * Copyright (C) 2007 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 "IntSize.h" #include <wtf/OwnPtr.h> #include <memory> #if PLATFORM(CG) typedef struct CGImage* CGImageRef; #endif #if PLATFORM(QT) #include <QPixmap> class QPainter; #endif #if PLATFORM(CAIRO) typedef struct _cairo_surface cairo_surface_t; #endif namespace WebCore { class GraphicsContext; class RenderObject; 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; #elif PLATFORM(QT) QPixmap* pixmap() const; #elif PLATFORM(CAIRO) cairo_surface_t* surface() const; #endif private: void* m_data; IntSize m_size; OwnPtr<GraphicsContext> m_context; #if PLATFORM(CG) ImageBuffer(void* imageData, const IntSize&, std::auto_ptr<GraphicsContext>); mutable CGImageRef m_cgImage; #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 }; } #endif