/*
 * Copyright (C) 2006 Nikolas Zimmermann <zimmermann@kde.org>
 *
 * 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 SVGPaintServerPattern_h
#define SVGPaintServerPattern_h

#if ENABLE(SVG)

#include "AffineTransform.h"
#include "FloatRect.h"
#include "SVGPaintServer.h"

#include <memory>

#include <wtf/OwnPtr.h>

namespace WebCore
{

class GraphicsContext;
class ImageBuffer;
class SVGPatternElement;

class SVGPaintServerPattern : public SVGPaintServer
{
public:
    static PassRefPtr<SVGPaintServerPattern> create(const SVGPatternElement *owner)
    {
        return adoptRef(new SVGPaintServerPattern(owner));
    }

    virtual ~SVGPaintServerPattern();

    virtual SVGPaintServerType type() const
    {
        return PatternPaintServer;
    }

    // Pattern boundaries
    void setPatternBoundaries(const FloatRect &);
    FloatRect patternBoundaries() const;

    ImageBuffer *tile() const;
    void setTile(std::auto_ptr<ImageBuffer>);

    AffineTransform patternTransform() const;
    void setPatternTransform(const AffineTransform &);

    virtual TextStream &externalRepresentation(TextStream &) const;

#if PLATFORM(CG)
    virtual bool setup(GraphicsContext *&, const RenderObject *, SVGPaintTargetType, bool isPaintingText) const;
    virtual void teardown(GraphicsContext *&, const RenderObject *, SVGPaintTargetType, bool isPaintingText) const;
#endif

#if PLATFORM(QT) || PLATFORM(CAIRO)
    virtual bool setup(QPainter *painter, QPainterPaht *painterPath, const RenderObject *, SVGPaintTargetType, bool isPaintingText) const;
#endif

private:
    SVGPaintServerPattern(const SVGPatternElement *);

    OwnPtr<ImageBuffer> m_tile;
    const SVGPatternElement *m_ownerElement;
    AffineTransform m_patternTransform;
    FloatRect m_patternBoundaries;

#if PLATFORM(CG)
    mutable CGColorSpaceRef m_patternSpace;
    mutable CGPatternRef m_pattern;
#endif
};

} // namespace WebCore

#endif

#endif // SVGPaintServerPattern_h
