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      1 /*
      2  * Copyright (C) 2004, 2005, 2007 Nikolas Zimmermann <zimmermann (at) kde.org>
      3  * Copyright (C) 2004, 2005, 2006 Rob Buis <buis (at) kde.org>
      4  *
      5  * This library is free software; you can redistribute it and/or
      6  * modify it under the terms of the GNU Library General Public
      7  * License as published by the Free Software Foundation; either
      8  * version 2 of the License, or (at your option) any later version.
      9  *
     10  * This library is distributed in the hope that it will be useful,
     11  * but WITHOUT ANY WARRANTY; without even the implied warranty of
     12  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
     13  * Library General Public License for more details.
     14  *
     15  * You should have received a copy of the GNU Library General Public License
     16  * along with this library; see the file COPYING.LIB.  If not, write to
     17  * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
     18  * Boston, MA 02110-1301, USA.
     19  */
     20 
     21 #include "config.h"
     22 
     23 #if ENABLE(SVG) && ENABLE(FILTERS)
     24 #include "SVGFETurbulenceElement.h"
     25 
     26 #include "Attribute.h"
     27 #include "SVGNames.h"
     28 #include "SVGParserUtilities.h"
     29 
     30 namespace WebCore {
     31 
     32 // Animated property definitions
     33 DEFINE_ANIMATED_NUMBER_MULTIPLE_WRAPPERS(SVGFETurbulenceElement, SVGNames::baseFrequencyAttr, baseFrequencyXIdentifier(), BaseFrequencyX, baseFrequencyX)
     34 DEFINE_ANIMATED_NUMBER_MULTIPLE_WRAPPERS(SVGFETurbulenceElement, SVGNames::baseFrequencyAttr, baseFrequencyYIdentifier(), BaseFrequencyY, baseFrequencyY)
     35 DEFINE_ANIMATED_INTEGER(SVGFETurbulenceElement, SVGNames::numOctavesAttr, NumOctaves, numOctaves)
     36 DEFINE_ANIMATED_NUMBER(SVGFETurbulenceElement, SVGNames::seedAttr, Seed, seed)
     37 DEFINE_ANIMATED_ENUMERATION(SVGFETurbulenceElement, SVGNames::stitchTilesAttr, StitchTiles, stitchTiles)
     38 DEFINE_ANIMATED_ENUMERATION(SVGFETurbulenceElement, SVGNames::typeAttr, Type, type)
     39 
     40 inline SVGFETurbulenceElement::SVGFETurbulenceElement(const QualifiedName& tagName, Document* document)
     41     : SVGFilterPrimitiveStandardAttributes(tagName, document)
     42     , m_numOctaves(1)
     43     , m_stitchTiles(SVG_STITCHTYPE_NOSTITCH)
     44     , m_type(FETURBULENCE_TYPE_TURBULENCE)
     45 {
     46 }
     47 
     48 PassRefPtr<SVGFETurbulenceElement> SVGFETurbulenceElement::create(const QualifiedName& tagName, Document* document)
     49 {
     50     return adoptRef(new SVGFETurbulenceElement(tagName, document));
     51 }
     52 
     53 const AtomicString& SVGFETurbulenceElement::baseFrequencyXIdentifier()
     54 {
     55     DEFINE_STATIC_LOCAL(AtomicString, s_identifier, ("SVGBaseFrequencyX"));
     56     return s_identifier;
     57 }
     58 
     59 const AtomicString& SVGFETurbulenceElement::baseFrequencyYIdentifier()
     60 {
     61     DEFINE_STATIC_LOCAL(AtomicString, s_identifier, ("SVGBaseFrequencyY"));
     62     return s_identifier;
     63 }
     64 
     65 void SVGFETurbulenceElement::parseMappedAttribute(Attribute* attr)
     66 {
     67     const String& value = attr->value();
     68     if (attr->name() == SVGNames::typeAttr) {
     69         if (value == "fractalNoise")
     70             setTypeBaseValue(FETURBULENCE_TYPE_FRACTALNOISE);
     71         else if (value == "turbulence")
     72             setTypeBaseValue(FETURBULENCE_TYPE_TURBULENCE);
     73     } else if (attr->name() == SVGNames::stitchTilesAttr) {
     74         if (value == "stitch")
     75             setStitchTilesBaseValue(SVG_STITCHTYPE_STITCH);
     76         else if (value == "noStitch")
     77             setStitchTilesBaseValue(SVG_STITCHTYPE_NOSTITCH);
     78     } else if (attr->name() == SVGNames::baseFrequencyAttr) {
     79         float x, y;
     80         if (parseNumberOptionalNumber(value, x, y)) {
     81             setBaseFrequencyXBaseValue(x);
     82             setBaseFrequencyYBaseValue(y);
     83         }
     84     } else if (attr->name() == SVGNames::seedAttr)
     85         setSeedBaseValue(value.toFloat());
     86     else if (attr->name() == SVGNames::numOctavesAttr)
     87         setNumOctavesBaseValue(value.toUIntStrict());
     88     else
     89         SVGFilterPrimitiveStandardAttributes::parseMappedAttribute(attr);
     90 }
     91 
     92 bool SVGFETurbulenceElement::setFilterEffectAttribute(FilterEffect* effect, const QualifiedName& attrName)
     93 {
     94     FETurbulence* turbulence = static_cast<FETurbulence*>(effect);
     95     if (attrName == SVGNames::typeAttr)
     96         return turbulence->setType(static_cast<TurbulenceType>(type()));
     97     if (attrName == SVGNames::stitchTilesAttr)
     98         return turbulence->setStitchTiles(stitchTiles());
     99     if (attrName == SVGNames::baseFrequencyAttr)
    100         return (turbulence->setBaseFrequencyX(baseFrequencyX()) || turbulence->setBaseFrequencyY(baseFrequencyY()));
    101     if (attrName == SVGNames::seedAttr)
    102         return turbulence->setSeed(seed());
    103     if (attrName == SVGNames::numOctavesAttr)
    104        return turbulence->setNumOctaves(numOctaves());
    105 
    106     ASSERT_NOT_REACHED();
    107     return false;
    108 }
    109 
    110 void SVGFETurbulenceElement::svgAttributeChanged(const QualifiedName& attrName)
    111 {
    112     SVGFilterPrimitiveStandardAttributes::svgAttributeChanged(attrName);
    113 
    114     if (attrName == SVGNames::baseFrequencyAttr
    115         || attrName == SVGNames::numOctavesAttr
    116         || attrName == SVGNames::seedAttr
    117         || attrName == SVGNames::stitchTilesAttr
    118         || attrName == SVGNames::typeAttr)
    119         primitiveAttributeChanged(attrName);
    120 }
    121 
    122 void SVGFETurbulenceElement::synchronizeProperty(const QualifiedName& attrName)
    123 {
    124     SVGFilterPrimitiveStandardAttributes::synchronizeProperty(attrName);
    125 
    126     if (attrName == anyQName()) {
    127         synchronizeType();
    128         synchronizeStitchTiles();
    129         synchronizeBaseFrequencyX();
    130         synchronizeBaseFrequencyY();
    131         synchronizeSeed();
    132         synchronizeNumOctaves();
    133         return;
    134     }
    135 
    136     if (attrName == SVGNames::typeAttr)
    137         synchronizeType();
    138     else if (attrName == SVGNames::stitchTilesAttr)
    139         synchronizeStitchTiles();
    140     else if (attrName == SVGNames::baseFrequencyAttr) {
    141         synchronizeBaseFrequencyX();
    142         synchronizeBaseFrequencyY();
    143     } else if (attrName == SVGNames::seedAttr)
    144         synchronizeSeed();
    145     else if (attrName == SVGNames::numOctavesAttr)
    146         synchronizeNumOctaves();
    147 }
    148 
    149 AttributeToPropertyTypeMap& SVGFETurbulenceElement::attributeToPropertyTypeMap()
    150 {
    151     DEFINE_STATIC_LOCAL(AttributeToPropertyTypeMap, s_attributeToPropertyTypeMap, ());
    152     return s_attributeToPropertyTypeMap;
    153 }
    154 
    155 void SVGFETurbulenceElement::fillAttributeToPropertyTypeMap()
    156 {
    157     AttributeToPropertyTypeMap& attributeToPropertyTypeMap = this->attributeToPropertyTypeMap();
    158 
    159     SVGFilterPrimitiveStandardAttributes::fillPassedAttributeToPropertyTypeMap(attributeToPropertyTypeMap);
    160     attributeToPropertyTypeMap.set(SVGNames::baseFrequencyAttr, AnimatedNumberOptionalNumber);
    161     attributeToPropertyTypeMap.set(SVGNames::numOctavesAttr, AnimatedInteger);
    162     attributeToPropertyTypeMap.set(SVGNames::seedAttr, AnimatedNumber);
    163     attributeToPropertyTypeMap.set(SVGNames::stitchTilesAttr, AnimatedEnumeration);
    164     attributeToPropertyTypeMap.set(SVGNames::typeAttr, AnimatedEnumeration);
    165 }
    166 
    167 PassRefPtr<FilterEffect> SVGFETurbulenceElement::build(SVGFilterBuilder*, Filter* filter)
    168 {
    169     if (baseFrequencyX() < 0 || baseFrequencyY() < 0)
    170         return 0;
    171 
    172     return FETurbulence::create(filter, static_cast<TurbulenceType>(type()), baseFrequencyX(),
    173                 baseFrequencyY(), numOctaves(), seed(), stitchTiles() == SVG_STITCHTYPE_STITCH);
    174 }
    175 
    176 }
    177 
    178 #endif // ENABLE(SVG)
    179