/*

 * 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. 

 */

#include "config.h"

#if ENABLE(SVG)

#include "SVGPaintServerGradient.h"

#include "SVGGradientElement.h"

#include "SVGRenderTreeAsText.h"

namespace WebCore {

TextStream& operator<<(TextStream& ts, SVGGradientSpreadMethod m)

{

    switch (m) {

        case SPREADMETHOD_PAD:

            ts << "PAD"; break;

        case SPREADMETHOD_REPEAT:

            ts << "REPEAT"; break;

        case SPREADMETHOD_REFLECT:

            ts << "REFLECT"; break;

    }

    return ts;

}

TextStream& operator<<(TextStream& ts, const Vector<SVGGradientStop>& l)

{

    ts << "[";

    for (Vector<SVGGradientStop>::const_iterator it = l.begin(); it != l.end(); ++it) {

        ts << "(" << it->first << "," << it->second << ")";

        if (it + 1 != l.end())

            ts << ", ";

    }

    ts << "]";

    return ts;

}

SVGPaintServerGradient::SVGPaintServerGradient(const SVGGradientElement* owner)

    : m_spreadMethod(SPREADMETHOD_PAD)

    , m_boundingBoxMode(true)

    , m_ownerElement(owner)

#if PLATFORM(CG)

    , m_stopsCache(0)

    , m_stopsCount(0)

    , m_shadingCache(0)

    , m_savedContext(0)

    , m_imageBuffer(0)

#endif

{

    ASSERT(owner);

}

SVGPaintServerGradient::~SVGPaintServerGradient()

{

#if PLATFORM(CG)

    delete m_stopsCache;

    CGShadingRelease(m_shadingCache);

#endif

}

const Vector<SVGGradientStop>& SVGPaintServerGradient::gradientStops() const

{

    return m_stops;

}

void SVGPaintServerGradient::setGradientStops(const Vector<SVGGradientStop>& stops)

{

    m_stops = stops;

}

SVGGradientSpreadMethod SVGPaintServerGradient::spreadMethod() const

{

    return m_spreadMethod;

}

void SVGPaintServerGradient::setGradientSpreadMethod(const SVGGradientSpreadMethod& method)

{

    m_spreadMethod = method;

}

bool SVGPaintServerGradient::boundingBoxMode() const

{

    return m_boundingBoxMode;

}

void SVGPaintServerGradient::setBoundingBoxMode(bool mode)

{

    m_boundingBoxMode = mode;

}

AffineTransform SVGPaintServerGradient::gradientTransform() const

{

    return m_gradientTransform;

}

void SVGPaintServerGradient::setGradientTransform(const AffineTransform& transform)

{

    m_gradientTransform = transform;

}

TextStream& SVGPaintServerGradient::externalRepresentation(TextStream& ts) const

{

    // Gradients/patterns aren't setup, until they are used for painting. Work around that fact.

    m_ownerElement->buildGradient();

    // abstract, don't stream type

    ts  << "[stops=" << gradientStops() << "]";

    if (spreadMethod() != SPREADMETHOD_PAD)

        ts << "[method=" << spreadMethod() << "]";

    if (!boundingBoxMode())

        ts << " [bounding box mode=" << boundingBoxMode() << "]";

    if (!gradientTransform().isIdentity())

        ts << " [transform=" << gradientTransform() << "]";

    return ts;

}

} // namespace WebCore

#endif