/*
 * 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 SVGPaintServer_h
#define SVGPaintServer_h

#if ENABLE(SVG)

#include "SVGResource.h"

#include "RenderObject.h"
#include "RenderStyle.h"

#if PLATFORM(CG)
#include <ApplicationServices/ApplicationServices.h>
#endif

#if PLATFORM(QT)
#include <qglobal.h>
QT_BEGIN_NAMESPACE
class QPen;
QT_END_NAMESPACE
#endif

#if PLATFORM(CG)
typedef Vector<CGFloat> DashArray;
#else
typedef Vector<float> DashArray;
#endif

namespace WebCore
{

enum SVGPaintServerType {
    // Painting mode
    SolidPaintServer = 0,
    PatternPaintServer = 1,
    LinearGradientPaintServer = 2,
    RadialGradientPaintServer = 3
};

enum SVGPaintTargetType {
    // Target mode
    ApplyToFillTargetType = 1,
    ApplyToStrokeTargetType = 2
};

/*class GraphicsContext;
class RenderObject;
class RenderStyle;*/
class SVGPaintServerSolid;

class SVGPaintServer : public SVGResource
{
public:
    virtual ~SVGPaintServer();

    virtual SVGResourceType resourceType() const
    {
        return PaintServerResourceType;
    }

    virtual SVGPaintServerType type() const = 0;
    /* FIXME khtml virtual TextStream& externalRepresentation(TextStream&) const = 0;*/

    // To be implemented in platform specific code.
    virtual void draw(QPainter *painter, QPainterPath *painterPath, const RenderObject *, SVGPaintTargetType) const;
    virtual void teardown(QPainter *painter, QPainterPath *painterPath, const RenderObject *, SVGPaintTargetType, bool isPaintingText = false) const;
    virtual void renderPath(QPainter *painter, QPainterPath *painterPath, const RenderObject *, SVGPaintTargetType) const;

    virtual bool setup(QPainter *painter, QPainterPath *painterPath, const RenderObject *, SVGPaintTargetType, bool isPaintingText = false) const = 0;

    static SVGPaintServer *strokePaintServer(const RenderStyle *, const RenderObject *);
    static SVGPaintServer *fillPaintServer(const RenderStyle *, const RenderObject *);
    static SVGPaintServerSolid *sharedSolidPaintServer();

protected:
#if PLATFORM(CG)
    void strokePath(CGContextRef, const RenderObject *) const;
    void clipToStrokePath(CGContextRef, const RenderObject *) const;
    void fillPath(CGContextRef, const RenderObject *) const;
    void clipToFillPath(CGContextRef, const RenderObject *) const;
#endif

#if PLATFORM(QT)
    void setPenProperties(const RenderObject *, const RenderStyle *, QPen &) const;
#endif
protected:
    SVGPaintServer();
};

/*khtml TextStream& operator<<(TextStream&, const SVGPaintServer&);*/

SVGPaintServer *getPaintServerById(Document *, const AtomicString &);

DashArray dashArrayFromRenderingStyle(const RenderStyle *style);
} // namespace WebCore

#endif

#endif // SVGPaintServer_h
