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 #if ENABLE(SVG) && ENABLE(FILTERS)
24 #include "SVGFECompositeElement.h"
25
26 #include "Attribute.h"
27 #include "FilterEffect.h"
28 #include "SVGFilterBuilder.h"
29 #include "SVGNames.h"
30
31 namespace WebCore {
32
33 // Animated property definitions
DEFINE_ANIMATED_STRING(SVGFECompositeElement,SVGNames::inAttr,In1,in1)34 DEFINE_ANIMATED_STRING(SVGFECompositeElement, SVGNames::inAttr, In1, in1)
35 DEFINE_ANIMATED_STRING(SVGFECompositeElement, SVGNames::in2Attr, In2, in2)
36 DEFINE_ANIMATED_ENUMERATION(SVGFECompositeElement, SVGNames::operatorAttr, _operator, _operator)
37 DEFINE_ANIMATED_NUMBER(SVGFECompositeElement, SVGNames::k1Attr, K1, k1)
38 DEFINE_ANIMATED_NUMBER(SVGFECompositeElement, SVGNames::k2Attr, K2, k2)
39 DEFINE_ANIMATED_NUMBER(SVGFECompositeElement, SVGNames::k3Attr, K3, k3)
40 DEFINE_ANIMATED_NUMBER(SVGFECompositeElement, SVGNames::k4Attr, K4, k4)
41
42 inline SVGFECompositeElement::SVGFECompositeElement(const QualifiedName& tagName, Document* document)
43 : SVGFilterPrimitiveStandardAttributes(tagName, document)
44 , m__operator(FECOMPOSITE_OPERATOR_OVER)
45 {
46 }
47
create(const QualifiedName & tagName,Document * document)48 PassRefPtr<SVGFECompositeElement> SVGFECompositeElement::create(const QualifiedName& tagName, Document* document)
49 {
50 return adoptRef(new SVGFECompositeElement(tagName, document));
51 }
52
parseMappedAttribute(Attribute * attr)53 void SVGFECompositeElement::parseMappedAttribute(Attribute* attr)
54 {
55 const String& value = attr->value();
56 if (attr->name() == SVGNames::operatorAttr) {
57 if (value == "over")
58 set_operatorBaseValue(FECOMPOSITE_OPERATOR_OVER);
59 else if (value == "in")
60 set_operatorBaseValue(FECOMPOSITE_OPERATOR_IN);
61 else if (value == "out")
62 set_operatorBaseValue(FECOMPOSITE_OPERATOR_OUT);
63 else if (value == "atop")
64 set_operatorBaseValue(FECOMPOSITE_OPERATOR_ATOP);
65 else if (value == "xor")
66 set_operatorBaseValue(FECOMPOSITE_OPERATOR_XOR);
67 else if (value == "arithmetic")
68 set_operatorBaseValue(FECOMPOSITE_OPERATOR_ARITHMETIC);
69 } else if (attr->name() == SVGNames::inAttr)
70 setIn1BaseValue(value);
71 else if (attr->name() == SVGNames::in2Attr)
72 setIn2BaseValue(value);
73 else if (attr->name() == SVGNames::k1Attr)
74 setK1BaseValue(value.toFloat());
75 else if (attr->name() == SVGNames::k2Attr)
76 setK2BaseValue(value.toFloat());
77 else if (attr->name() == SVGNames::k3Attr)
78 setK3BaseValue(value.toFloat());
79 else if (attr->name() == SVGNames::k4Attr)
80 setK4BaseValue(value.toFloat());
81 else
82 SVGFilterPrimitiveStandardAttributes::parseMappedAttribute(attr);
83 }
84
setFilterEffectAttribute(FilterEffect * effect,const QualifiedName & attrName)85 bool SVGFECompositeElement::setFilterEffectAttribute(FilterEffect* effect, const QualifiedName& attrName)
86 {
87 FEComposite* composite = static_cast<FEComposite*>(effect);
88 if (attrName == SVGNames::operatorAttr)
89 return composite->setOperation(static_cast<CompositeOperationType>(_operator()));
90 if (attrName == SVGNames::k1Attr)
91 return composite->setK1(k1());
92 if (attrName == SVGNames::k2Attr)
93 return composite->setK2(k2());
94 if (attrName == SVGNames::k3Attr)
95 return composite->setK3(k3());
96 if (attrName == SVGNames::k4Attr)
97 return composite->setK4(k4());
98
99 ASSERT_NOT_REACHED();
100 return false;
101 }
102
103
svgAttributeChanged(const QualifiedName & attrName)104 void SVGFECompositeElement::svgAttributeChanged(const QualifiedName& attrName)
105 {
106 SVGFilterPrimitiveStandardAttributes::svgAttributeChanged(attrName);
107
108 if (attrName == SVGNames::operatorAttr
109 || attrName == SVGNames::k1Attr
110 || attrName == SVGNames::k2Attr
111 || attrName == SVGNames::k3Attr
112 || attrName == SVGNames::k4Attr)
113 primitiveAttributeChanged(attrName);
114
115 if (attrName == SVGNames::inAttr
116 || attrName == SVGNames::in2Attr)
117 invalidate();
118 }
119
synchronizeProperty(const QualifiedName & attrName)120 void SVGFECompositeElement::synchronizeProperty(const QualifiedName& attrName)
121 {
122 SVGFilterPrimitiveStandardAttributes::synchronizeProperty(attrName);
123
124 if (attrName == anyQName()) {
125 synchronize_operator();
126 synchronizeIn1();
127 synchronizeIn2();
128 synchronizeK1();
129 synchronizeK2();
130 synchronizeK3();
131 synchronizeK4();
132 return;
133 }
134
135 if (attrName == SVGNames::operatorAttr)
136 synchronize_operator();
137 else if (attrName == SVGNames::inAttr)
138 synchronizeIn1();
139 else if (attrName == SVGNames::in2Attr)
140 synchronizeIn2();
141 else if (attrName == SVGNames::k1Attr)
142 synchronizeK1();
143 else if (attrName == SVGNames::k2Attr)
144 synchronizeK2();
145 else if (attrName == SVGNames::k3Attr)
146 synchronizeK3();
147 else if (attrName == SVGNames::k4Attr)
148 synchronizeK4();
149 }
150
attributeToPropertyTypeMap()151 AttributeToPropertyTypeMap& SVGFECompositeElement::attributeToPropertyTypeMap()
152 {
153 DEFINE_STATIC_LOCAL(AttributeToPropertyTypeMap, s_attributeToPropertyTypeMap, ());
154 return s_attributeToPropertyTypeMap;
155 }
156
fillAttributeToPropertyTypeMap()157 void SVGFECompositeElement::fillAttributeToPropertyTypeMap()
158 {
159 AttributeToPropertyTypeMap& attributeToPropertyTypeMap = this->attributeToPropertyTypeMap();
160
161 SVGFilterPrimitiveStandardAttributes::fillPassedAttributeToPropertyTypeMap(attributeToPropertyTypeMap);
162 attributeToPropertyTypeMap.set(SVGNames::inAttr, AnimatedString);
163 attributeToPropertyTypeMap.set(SVGNames::in2Attr, AnimatedString);
164 attributeToPropertyTypeMap.set(SVGNames::operatorAttr, AnimatedEnumeration);
165 attributeToPropertyTypeMap.set(SVGNames::k1Attr, AnimatedNumber);
166 attributeToPropertyTypeMap.set(SVGNames::k2Attr, AnimatedNumber);
167 attributeToPropertyTypeMap.set(SVGNames::k3Attr, AnimatedNumber);
168 attributeToPropertyTypeMap.set(SVGNames::k4Attr, AnimatedNumber);
169 }
170
build(SVGFilterBuilder * filterBuilder,Filter * filter)171 PassRefPtr<FilterEffect> SVGFECompositeElement::build(SVGFilterBuilder* filterBuilder, Filter* filter)
172 {
173 FilterEffect* input1 = filterBuilder->getEffectById(in1());
174 FilterEffect* input2 = filterBuilder->getEffectById(in2());
175
176 if (!input1 || !input2)
177 return 0;
178
179 RefPtr<FilterEffect> effect = FEComposite::create(filter, static_cast<CompositeOperationType>(_operator()),
180 k1(), k2(), k3(), k4());
181 FilterEffectVector& inputEffects = effect->inputEffects();
182 inputEffects.reserveCapacity(2);
183 inputEffects.append(input1);
184 inputEffects.append(input2);
185 return effect.release();
186 }
187
188 }
189
190 #endif // ENABLE(SVG)
191