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 "SVGComponentTransferFunctionElement.h"
25
26 #include "Attribute.h"
27 #include "SVGFEComponentTransferElement.h"
28 #include "SVGNames.h"
29 #include "SVGNumberList.h"
30
31 namespace WebCore {
32
33 // Animated property definitions
DEFINE_ANIMATED_ENUMERATION(SVGComponentTransferFunctionElement,SVGNames::typeAttr,Type,type)34 DEFINE_ANIMATED_ENUMERATION(SVGComponentTransferFunctionElement, SVGNames::typeAttr, Type, type)
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 SVGComponentTransferFunctionElement::SVGComponentTransferFunctionElement(const QualifiedName& tagName, Document* document)
43 : SVGElement(tagName, document)
44 , m_type(FECOMPONENTTRANSFER_TYPE_UNKNOWN)
45 , m_slope(1)
46 , m_amplitude(1)
47 , m_exponent(1)
48 {
49 }
50
parseMappedAttribute(Attribute * attr)51 void SVGComponentTransferFunctionElement::parseMappedAttribute(Attribute* attr)
52 {
53 const String& value = attr->value();
54 if (attr->name() == SVGNames::typeAttr) {
55 if (value == "identity")
56 setTypeBaseValue(FECOMPONENTTRANSFER_TYPE_IDENTITY);
57 else if (value == "table")
58 setTypeBaseValue(FECOMPONENTTRANSFER_TYPE_TABLE);
59 else if (value == "discrete")
60 setTypeBaseValue(FECOMPONENTTRANSFER_TYPE_DISCRETE);
61 else if (value == "linear")
62 setTypeBaseValue(FECOMPONENTTRANSFER_TYPE_LINEAR);
63 else if (value == "gamma")
64 setTypeBaseValue(FECOMPONENTTRANSFER_TYPE_GAMMA);
65 } else if (attr->name() == SVGNames::tableValuesAttr) {
66 SVGNumberList newList;
67 newList.parse(value);
68 detachAnimatedTableValuesListWrappers(newList.size());
69 setTableValuesBaseValue(newList);
70 } else if (attr->name() == SVGNames::slopeAttr)
71 setSlopeBaseValue(value.toFloat());
72 else if (attr->name() == SVGNames::interceptAttr)
73 setInterceptBaseValue(value.toFloat());
74 else if (attr->name() == SVGNames::amplitudeAttr)
75 setAmplitudeBaseValue(value.toFloat());
76 else if (attr->name() == SVGNames::exponentAttr)
77 setExponentBaseValue(value.toFloat());
78 else if (attr->name() == SVGNames::offsetAttr)
79 setOffsetBaseValue(value.toFloat());
80 else
81 SVGElement::parseMappedAttribute(attr);
82 }
83
svgAttributeChanged(const QualifiedName & attrName)84 void SVGComponentTransferFunctionElement::svgAttributeChanged(const QualifiedName& attrName)
85 {
86 SVGElement::svgAttributeChanged(attrName);
87
88 if (attrName == SVGNames::typeAttr) {
89 ComponentTransferType componentType = static_cast<ComponentTransferType>(type());
90 if (componentType < FECOMPONENTTRANSFER_TYPE_UNKNOWN || componentType > FECOMPONENTTRANSFER_TYPE_GAMMA)
91 setTypeBaseValue(FECOMPONENTTRANSFER_TYPE_UNKNOWN);
92 }
93 }
94
synchronizeProperty(const QualifiedName & attrName)95 void SVGComponentTransferFunctionElement::synchronizeProperty(const QualifiedName& attrName)
96 {
97 SVGElement::synchronizeProperty(attrName);
98
99 if (attrName == anyQName()) {
100 synchronizeType();
101 synchronizeTableValues();
102 synchronizeSlope();
103 synchronizeIntercept();
104 synchronizeAmplitude();
105 synchronizeExponent();
106 synchronizeOffset();
107 return;
108 }
109
110 if (attrName == SVGNames::typeAttr)
111 synchronizeType();
112 else if (attrName == SVGNames::tableValuesAttr)
113 synchronizeTableValues();
114 else if (attrName == SVGNames::slopeAttr)
115 synchronizeSlope();
116 else if (attrName == SVGNames::interceptAttr)
117 synchronizeIntercept();
118 else if (attrName == SVGNames::amplitudeAttr)
119 synchronizeAmplitude();
120 else if (attrName == SVGNames::exponentAttr)
121 synchronizeExponent();
122 else if (attrName == SVGNames::offsetAttr)
123 synchronizeOffset();
124 }
125
attributeToPropertyTypeMap()126 AttributeToPropertyTypeMap& SVGComponentTransferFunctionElement::attributeToPropertyTypeMap()
127 {
128 DEFINE_STATIC_LOCAL(AttributeToPropertyTypeMap, s_attributeToPropertyTypeMap, ());
129 return s_attributeToPropertyTypeMap;
130 }
131
fillAttributeToPropertyTypeMap()132 void SVGComponentTransferFunctionElement::fillAttributeToPropertyTypeMap()
133 {
134 AttributeToPropertyTypeMap& attributeToPropertyTypeMap = this->attributeToPropertyTypeMap();
135 attributeToPropertyTypeMap.set(SVGNames::typeAttr, AnimatedEnumeration);
136 attributeToPropertyTypeMap.set(SVGNames::tableValuesAttr, AnimatedNumberList);
137 attributeToPropertyTypeMap.set(SVGNames::slopeAttr, AnimatedNumber);
138 attributeToPropertyTypeMap.set(SVGNames::interceptAttr, AnimatedNumber);
139 attributeToPropertyTypeMap.set(SVGNames::amplitudeAttr, AnimatedNumber);
140 attributeToPropertyTypeMap.set(SVGNames::exponentAttr, AnimatedNumber);
141 attributeToPropertyTypeMap.set(SVGNames::offsetAttr, AnimatedNumber);
142 }
143
transferFunction() const144 ComponentTransferFunction SVGComponentTransferFunctionElement::transferFunction() const
145 {
146 ComponentTransferFunction func;
147 func.type = static_cast<ComponentTransferType>(type());
148 func.slope = slope();
149 func.intercept = intercept();
150 func.amplitude = amplitude();
151 func.exponent = exponent();
152 func.offset = offset();
153 func.tableValues = tableValues();
154 return func;
155 }
156
157 }
158
159 #endif // ENABLE(SVG)
160