/*
 * 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 SVGResourceClipper_h
#define SVGResourceClipper_h

#if ENABLE(SVG)

#include "SVGResource.h"
#include "Path.h"

// khtml
#include "wtf/PassRefPtr.h"

namespace WebCore
{

struct ClipData {
    Path path;
    WindRule windRule;
    bool bboxUnits : 1;
};

class ClipDataList
{
public:
    void addPath(const Path &pathData, WindRule windRule, bool bboxUnits)
    {
        ClipData clipData;

        clipData.path = pathData;
        clipData.windRule = windRule;
        clipData.bboxUnits = bboxUnits;

        m_clipData.append(clipData);
    }

    void clear()
    {
        m_clipData.clear();
    }
    const Vector<ClipData> &clipData() const
    {
        return m_clipData;
    }
    bool isEmpty() const
    {
        return m_clipData.isEmpty();
    }
private:
    Vector<ClipData> m_clipData;
};

/*class GraphicsContext;*/

class SVGResourceClipper : public SVGResource
{
public:
    static PassRefPtr<SVGResourceClipper> create()
    {
        return adoptRef(new SVGResourceClipper);
    }
    virtual ~SVGResourceClipper();

    void resetClipData();
    void addClipData(const Path &, WindRule, bool bboxUnits);

    const ClipDataList &clipData() const;

    virtual SVGResourceType resourceType() const
    {
        return ClipperResourceType;
    }
    /*virtual TextStream& externalRepresentation(TextStream&) const;*/

    // To be implemented by the specific rendering devices
    void applyClip(/*GraphicsContext**/QPainter *painter, const FloatRect &boundingBox) const;
private:
    SVGResourceClipper();
    ClipDataList m_clipData;
};

/*TextStream& operator<<(TextStream&, WindRule);
TextStream& operator<<(TextStream&, const ClipData&);*/

SVGResourceClipper *getClipperById(Document *, const AtomicString &);

} // namespace WebCore

#endif

#endif // SVGResourceClipper_h
