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/SVGComponentTransferFunctionElement.h"
24
25 #include "SVGNames.h"
26 #include "core/dom/Attribute.h"
27 #include "core/svg/SVGElementInstance.h"
28 #include "core/svg/SVGFEComponentTransferElement.h"
29 #include "core/svg/SVGNumberList.h"
30
31 namespace WebCore {
32
33 // Animated property definitions
DEFINE_ANIMATED_ENUMERATION(SVGComponentTransferFunctionElement,SVGNames::typeAttr,Type,type,ComponentTransferType)34 DEFINE_ANIMATED_ENUMERATION(SVGComponentTransferFunctionElement, SVGNames::typeAttr, Type, type, ComponentTransferType)
35 DEFINE_ANIMATED_NUMBER_LIST(SVGComponentTransferFunctionElement, SVGNames::tableValuesAttr, TableValues, tableValues)
36 DEFINE_ANIMATED_NUMBER(SVGComponentTransferFunctionElement, SVGNames::slopeAttr, Slope, slope)
37 DEFINE_ANIMATED_NUMBER(SVGComponentTransferFunctionElement, SVGNames::interceptAttr, Intercept, intercept)
38 DEFINE_ANIMATED_NUMBER(SVGComponentTransferFunctionElement, SVGNames::amplitudeAttr, Amplitude, amplitude)
39 DEFINE_ANIMATED_NUMBER(SVGComponentTransferFunctionElement, SVGNames::exponentAttr, Exponent, exponent)
40 DEFINE_ANIMATED_NUMBER(SVGComponentTransferFunctionElement, SVGNames::offsetAttr, Offset, offset)
41
42 BEGIN_REGISTER_ANIMATED_PROPERTIES(SVGComponentTransferFunctionElement)
43 REGISTER_LOCAL_ANIMATED_PROPERTY(type)
44 REGISTER_LOCAL_ANIMATED_PROPERTY(tableValues)
45 REGISTER_LOCAL_ANIMATED_PROPERTY(slope)
46 REGISTER_LOCAL_ANIMATED_PROPERTY(intercept)
47 REGISTER_LOCAL_ANIMATED_PROPERTY(amplitude)
48 REGISTER_LOCAL_ANIMATED_PROPERTY(exponent)
49 REGISTER_LOCAL_ANIMATED_PROPERTY(offset)
50 END_REGISTER_ANIMATED_PROPERTIES
51
52 SVGComponentTransferFunctionElement::SVGComponentTransferFunctionElement(const QualifiedName& tagName, Document& document)
53 : SVGElement(tagName, document)
54 , m_type(FECOMPONENTTRANSFER_TYPE_IDENTITY)
55 , m_slope(1)
56 , m_amplitude(1)
57 , m_exponent(1)
58 {
59 ScriptWrappable::init(this);
60 registerAnimatedPropertiesForSVGComponentTransferFunctionElement();
61 }
62
isSupportedAttribute(const QualifiedName & attrName)63 bool SVGComponentTransferFunctionElement::isSupportedAttribute(const QualifiedName& attrName)
64 {
65 DEFINE_STATIC_LOCAL(HashSet<QualifiedName>, supportedAttributes, ());
66 if (supportedAttributes.isEmpty()) {
67 supportedAttributes.add(SVGNames::typeAttr);
68 supportedAttributes.add(SVGNames::tableValuesAttr);
69 supportedAttributes.add(SVGNames::slopeAttr);
70 supportedAttributes.add(SVGNames::interceptAttr);
71 supportedAttributes.add(SVGNames::amplitudeAttr);
72 supportedAttributes.add(SVGNames::exponentAttr);
73 supportedAttributes.add(SVGNames::offsetAttr);
74 }
75 return supportedAttributes.contains<SVGAttributeHashTranslator>(attrName);
76 }
77
parseAttribute(const QualifiedName & name,const AtomicString & value)78 void SVGComponentTransferFunctionElement::parseAttribute(const QualifiedName& name, const AtomicString& value)
79 {
80 if (!isSupportedAttribute(name)) {
81 SVGElement::parseAttribute(name, value);
82 return;
83 }
84
85 if (name == SVGNames::typeAttr) {
86 ComponentTransferType propertyValue = SVGPropertyTraits<ComponentTransferType>::fromString(value);
87 if (propertyValue > 0)
88 setTypeBaseValue(propertyValue);
89 return;
90 }
91
92 if (name == SVGNames::tableValuesAttr) {
93 SVGNumberList newList;
94 newList.parse(value);
95 detachAnimatedTableValuesListWrappers(newList.size());
96 setTableValuesBaseValue(newList);
97 return;
98 }
99
100 if (name == SVGNames::slopeAttr) {
101 setSlopeBaseValue(value.toFloat());
102 return;
103 }
104
105 if (name == SVGNames::interceptAttr) {
106 setInterceptBaseValue(value.toFloat());
107 return;
108 }
109
110 if (name == SVGNames::amplitudeAttr) {
111 setAmplitudeBaseValue(value.toFloat());
112 return;
113 }
114
115 if (name == SVGNames::exponentAttr) {
116 setExponentBaseValue(value.toFloat());
117 return;
118 }
119
120 if (name == SVGNames::offsetAttr) {
121 setOffsetBaseValue(value.toFloat());
122 return;
123 }
124
125 ASSERT_NOT_REACHED();
126 }
127
svgAttributeChanged(const QualifiedName & attrName)128 void SVGComponentTransferFunctionElement::svgAttributeChanged(const QualifiedName& attrName)
129 {
130 if (!isSupportedAttribute(attrName)) {
131 SVGElement::svgAttributeChanged(attrName);
132 return;
133 }
134
135 SVGElementInstance::InvalidationGuard invalidationGuard(this);
136
137 invalidateFilterPrimitiveParent(this);
138 }
139
transferFunction() const140 ComponentTransferFunction SVGComponentTransferFunctionElement::transferFunction() const
141 {
142 ComponentTransferFunction func;
143 func.type = typeCurrentValue();
144 func.slope = slopeCurrentValue();
145 func.intercept = interceptCurrentValue();
146 func.amplitude = amplitudeCurrentValue();
147 func.exponent = exponentCurrentValue();
148 func.offset = offsetCurrentValue();
149 func.tableValues = tableValuesCurrentValue().toFloatVector();
150 return func;
151 }
152
153 }
154