/*

    Copyright (C) 2004, 2005, 2007 Nikolas Zimmermann <zimmermann@kde.org>

                  2004, 2005, 2006 Rob Buis <buis@kde.org>

    This library is free software; you can redistribute it and/or

    modify it under the terms of the GNU Library General Public

    License as published by the Free Software Foundation; either

    version 2 of the License, or (at your option) any later version.

    This library is distributed in the hope that it will be useful,

    but WITHOUT ANY WARRANTY; without even the implied warranty of

    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU

    Library General Public License for more details.

    You should have received a copy of the GNU Library General Public License

    along with this library; see the file COPYING.LIB.  If not, write to

    the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,

    Boston, MA 02110-1301, USA.

*/

#include "config.h"

#if ENABLE(SVG) && ENABLE(FILTERS)

#include "SVGFETurbulenceElement.h"

#include "Attribute.h"

#include "SVGParserUtilities.h"

namespace WebCore {

char SVGBaseFrequencyXIdentifier[] = "SVGBaseFrequencyX";

char SVGBaseFrequencyYIdentifier[] = "SVGBaseFrequencyY";

SVGFETurbulenceElement::SVGFETurbulenceElement(const QualifiedName& tagName, Document* doc)

    : SVGFilterPrimitiveStandardAttributes(tagName, doc)

    , m_numOctaves(1)

    , m_stitchTiles(SVG_STITCHTYPE_NOSTITCH)

    , m_type(FETURBULENCE_TYPE_TURBULENCE)

{

}

SVGFETurbulenceElement::~SVGFETurbulenceElement()

{

}

void SVGFETurbulenceElement::parseMappedAttribute(Attribute* attr)

{

    const String& value = attr->value();

    if (attr->name() == SVGNames::typeAttr) {

        if (value == "fractalNoise")

            setTypeBaseValue(FETURBULENCE_TYPE_FRACTALNOISE);

        else if (value == "turbulence")

            setTypeBaseValue(FETURBULENCE_TYPE_TURBULENCE);

    } else if (attr->name() == SVGNames::stitchTilesAttr) {

        if (value == "stitch")

            setStitchTilesBaseValue(SVG_STITCHTYPE_STITCH);

        else if (value == "nostitch")

            setStitchTilesBaseValue(SVG_STITCHTYPE_NOSTITCH);

    } else if (attr->name() == SVGNames::baseFrequencyAttr) {

        float x, y;

        if (parseNumberOptionalNumber(value, x, y)) {

            setBaseFrequencyXBaseValue(x);

            setBaseFrequencyYBaseValue(y);

        }

    } else if (attr->name() == SVGNames::seedAttr)

        setSeedBaseValue(value.toFloat());

    else if (attr->name() == SVGNames::numOctavesAttr)

        setNumOctavesBaseValue(value.toUIntStrict());

    else

        SVGFilterPrimitiveStandardAttributes::parseMappedAttribute(attr);

}

void SVGFETurbulenceElement::synchronizeProperty(const QualifiedName& attrName)

{

    SVGFilterPrimitiveStandardAttributes::synchronizeProperty(attrName);

    if (attrName == anyQName()) {

        synchronizeType();

        synchronizeStitchTiles();

        synchronizeBaseFrequencyX();

        synchronizeBaseFrequencyY();

        synchronizeSeed();

        synchronizeNumOctaves();

        return;

    }

    if (attrName == SVGNames::typeAttr)

        synchronizeType();

    else if (attrName == SVGNames::stitchTilesAttr)

        synchronizeStitchTiles();

    else if (attrName == SVGNames::baseFrequencyAttr) {

        synchronizeBaseFrequencyX();

        synchronizeBaseFrequencyY();

    } else if (attrName == SVGNames::seedAttr)

        synchronizeSeed();

    else if (attrName == SVGNames::numOctavesAttr)

        synchronizeNumOctaves();

}

PassRefPtr<FilterEffect> SVGFETurbulenceElement::build(SVGFilterBuilder*)

{

    return FETurbulence::create(static_cast<TurbulanceType>(type()), baseFrequencyX(), 

                baseFrequencyY(), numOctaves(), seed(), stitchTiles() == SVG_STITCHTYPE_STITCH);

}

}

#endif // ENABLE(SVG)