1 /*
2 * Copyright (C) 2004, 2005, 2007 Nikolas Zimmermann <zimmermann@kde.org>
3 * Copyright (C) 2004, 2005, 2006 Rob Buis <buis@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 #include "core/svg/SVGFETurbulenceElement.h"
24
25 #include "SVGNames.h"
26 #include "core/svg/SVGElementInstance.h"
27 #include "core/svg/SVGParserUtilities.h"
28
29 namespace WebCore {
30
31 // Animated property definitions
DEFINE_ANIMATED_NUMBER_MULTIPLE_WRAPPERS(SVGFETurbulenceElement,SVGNames::baseFrequencyAttr,baseFrequencyXIdentifier (),BaseFrequencyX,baseFrequencyX)32 DEFINE_ANIMATED_NUMBER_MULTIPLE_WRAPPERS(SVGFETurbulenceElement, SVGNames::baseFrequencyAttr, baseFrequencyXIdentifier(), BaseFrequencyX, baseFrequencyX)
33 DEFINE_ANIMATED_NUMBER_MULTIPLE_WRAPPERS(SVGFETurbulenceElement, SVGNames::baseFrequencyAttr, baseFrequencyYIdentifier(), BaseFrequencyY, baseFrequencyY)
34 DEFINE_ANIMATED_INTEGER(SVGFETurbulenceElement, SVGNames::numOctavesAttr, NumOctaves, numOctaves)
35 DEFINE_ANIMATED_NUMBER(SVGFETurbulenceElement, SVGNames::seedAttr, Seed, seed)
36 DEFINE_ANIMATED_ENUMERATION(SVGFETurbulenceElement, SVGNames::stitchTilesAttr, StitchTiles, stitchTiles, SVGStitchOptions)
37 DEFINE_ANIMATED_ENUMERATION(SVGFETurbulenceElement, SVGNames::typeAttr, Type, type, TurbulenceType)
38
39 BEGIN_REGISTER_ANIMATED_PROPERTIES(SVGFETurbulenceElement)
40 REGISTER_LOCAL_ANIMATED_PROPERTY(baseFrequencyX)
41 REGISTER_LOCAL_ANIMATED_PROPERTY(baseFrequencyY)
42 REGISTER_LOCAL_ANIMATED_PROPERTY(numOctaves)
43 REGISTER_LOCAL_ANIMATED_PROPERTY(seed)
44 REGISTER_LOCAL_ANIMATED_PROPERTY(stitchTiles)
45 REGISTER_LOCAL_ANIMATED_PROPERTY(type)
46 REGISTER_PARENT_ANIMATED_PROPERTIES(SVGFilterPrimitiveStandardAttributes)
47 END_REGISTER_ANIMATED_PROPERTIES
48
49 inline SVGFETurbulenceElement::SVGFETurbulenceElement(Document& document)
50 : SVGFilterPrimitiveStandardAttributes(SVGNames::feTurbulenceTag, document)
51 , m_numOctaves(1)
52 , m_stitchTiles(SVG_STITCHTYPE_NOSTITCH)
53 , m_type(FETURBULENCE_TYPE_TURBULENCE)
54 {
55 ScriptWrappable::init(this);
56 registerAnimatedPropertiesForSVGFETurbulenceElement();
57 }
58
create(Document & document)59 PassRefPtr<SVGFETurbulenceElement> SVGFETurbulenceElement::create(Document& document)
60 {
61 return adoptRef(new SVGFETurbulenceElement(document));
62 }
63
baseFrequencyXIdentifier()64 const AtomicString& SVGFETurbulenceElement::baseFrequencyXIdentifier()
65 {
66 DEFINE_STATIC_LOCAL(AtomicString, s_identifier, ("SVGBaseFrequencyX", AtomicString::ConstructFromLiteral));
67 return s_identifier;
68 }
69
baseFrequencyYIdentifier()70 const AtomicString& SVGFETurbulenceElement::baseFrequencyYIdentifier()
71 {
72 DEFINE_STATIC_LOCAL(AtomicString, s_identifier, ("SVGBaseFrequencyY", AtomicString::ConstructFromLiteral));
73 return s_identifier;
74 }
75
isSupportedAttribute(const QualifiedName & attrName)76 bool SVGFETurbulenceElement::isSupportedAttribute(const QualifiedName& attrName)
77 {
78 DEFINE_STATIC_LOCAL(HashSet<QualifiedName>, supportedAttributes, ());
79 if (supportedAttributes.isEmpty()) {
80 supportedAttributes.add(SVGNames::baseFrequencyAttr);
81 supportedAttributes.add(SVGNames::numOctavesAttr);
82 supportedAttributes.add(SVGNames::seedAttr);
83 supportedAttributes.add(SVGNames::stitchTilesAttr);
84 supportedAttributes.add(SVGNames::typeAttr);
85 }
86 return supportedAttributes.contains<SVGAttributeHashTranslator>(attrName);
87 }
88
parseAttribute(const QualifiedName & name,const AtomicString & value)89 void SVGFETurbulenceElement::parseAttribute(const QualifiedName& name, const AtomicString& value)
90 {
91 if (!isSupportedAttribute(name)) {
92 SVGFilterPrimitiveStandardAttributes::parseAttribute(name, value);
93 return;
94 }
95
96 if (name == SVGNames::typeAttr) {
97 TurbulenceType propertyValue = SVGPropertyTraits<TurbulenceType>::fromString(value);
98 if (propertyValue > 0)
99 setTypeBaseValue(propertyValue);
100 return;
101 }
102
103 if (name == SVGNames::stitchTilesAttr) {
104 SVGStitchOptions propertyValue = SVGPropertyTraits<SVGStitchOptions>::fromString(value);
105 if (propertyValue > 0)
106 setStitchTilesBaseValue(propertyValue);
107 return;
108 }
109
110 if (name == SVGNames::baseFrequencyAttr) {
111 float x, y;
112 if (parseNumberOptionalNumber(value, x, y)) {
113 setBaseFrequencyXBaseValue(x);
114 setBaseFrequencyYBaseValue(y);
115 }
116 return;
117 }
118
119 if (name == SVGNames::seedAttr) {
120 setSeedBaseValue(value.toFloat());
121 return;
122 }
123
124 if (name == SVGNames::numOctavesAttr) {
125 setNumOctavesBaseValue(value.string().toUIntStrict());
126 return;
127 }
128
129 ASSERT_NOT_REACHED();
130 }
131
setFilterEffectAttribute(FilterEffect * effect,const QualifiedName & attrName)132 bool SVGFETurbulenceElement::setFilterEffectAttribute(FilterEffect* effect, const QualifiedName& attrName)
133 {
134 FETurbulence* turbulence = static_cast<FETurbulence*>(effect);
135 if (attrName == SVGNames::typeAttr)
136 return turbulence->setType(typeCurrentValue());
137 if (attrName == SVGNames::stitchTilesAttr)
138 return turbulence->setStitchTiles(stitchTilesCurrentValue());
139 if (attrName == SVGNames::baseFrequencyAttr) {
140 bool baseFrequencyXChanged = turbulence->setBaseFrequencyX(baseFrequencyXCurrentValue());
141 bool baseFrequencyYChanged = turbulence->setBaseFrequencyY(baseFrequencyYCurrentValue());
142 return (baseFrequencyXChanged || baseFrequencyYChanged);
143 }
144 if (attrName == SVGNames::seedAttr)
145 return turbulence->setSeed(seedCurrentValue());
146 if (attrName == SVGNames::numOctavesAttr)
147 return turbulence->setNumOctaves(numOctavesCurrentValue());
148
149 ASSERT_NOT_REACHED();
150 return false;
151 }
152
svgAttributeChanged(const QualifiedName & attrName)153 void SVGFETurbulenceElement::svgAttributeChanged(const QualifiedName& attrName)
154 {
155 if (!isSupportedAttribute(attrName)) {
156 SVGFilterPrimitiveStandardAttributes::svgAttributeChanged(attrName);
157 return;
158 }
159
160 SVGElementInstance::InvalidationGuard invalidationGuard(this);
161
162 if (attrName == SVGNames::baseFrequencyAttr
163 || attrName == SVGNames::numOctavesAttr
164 || attrName == SVGNames::seedAttr
165 || attrName == SVGNames::stitchTilesAttr
166 || attrName == SVGNames::typeAttr) {
167 primitiveAttributeChanged(attrName);
168 return;
169 }
170
171 ASSERT_NOT_REACHED();
172 }
173
build(SVGFilterBuilder *,Filter * filter)174 PassRefPtr<FilterEffect> SVGFETurbulenceElement::build(SVGFilterBuilder*, Filter* filter)
175 {
176 if (baseFrequencyXCurrentValue() < 0 || baseFrequencyYCurrentValue() < 0)
177 return 0;
178 return FETurbulence::create(filter, typeCurrentValue(), baseFrequencyXCurrentValue(), baseFrequencyYCurrentValue(), numOctavesCurrentValue(), seedCurrentValue(), stitchTilesCurrentValue() == SVG_STITCHTYPE_STITCH);
179 }
180
181 }
182