1 /*
2 * Copyright (C) 2004, 2005, 2007 Nikolas Zimmermann <zimmermann@kde.org>
3 * Copyright (C) 2004, 2005 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 "SVGFEOffsetElement.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(SVGFEOffsetElement,SVGNames::inAttr,In1,in1)34 DEFINE_ANIMATED_STRING(SVGFEOffsetElement, SVGNames::inAttr, In1, in1)
35 DEFINE_ANIMATED_NUMBER(SVGFEOffsetElement, SVGNames::dxAttr, Dx, dx)
36 DEFINE_ANIMATED_NUMBER(SVGFEOffsetElement, SVGNames::dyAttr, Dy, dy)
37
38 inline SVGFEOffsetElement::SVGFEOffsetElement(const QualifiedName& tagName, Document* document)
39 : SVGFilterPrimitiveStandardAttributes(tagName, document)
40 {
41 }
42
create(const QualifiedName & tagName,Document * document)43 PassRefPtr<SVGFEOffsetElement> SVGFEOffsetElement::create(const QualifiedName& tagName, Document* document)
44 {
45 return adoptRef(new SVGFEOffsetElement(tagName, document));
46 }
47
parseMappedAttribute(Attribute * attr)48 void SVGFEOffsetElement::parseMappedAttribute(Attribute* attr)
49 {
50 const String& value = attr->value();
51 if (attr->name() == SVGNames::dxAttr)
52 setDxBaseValue(value.toFloat());
53 else if (attr->name() == SVGNames::dyAttr)
54 setDyBaseValue(value.toFloat());
55 else if (attr->name() == SVGNames::inAttr)
56 setIn1BaseValue(value);
57 else
58 SVGFilterPrimitiveStandardAttributes::parseMappedAttribute(attr);
59 }
60
svgAttributeChanged(const QualifiedName & attrName)61 void SVGFEOffsetElement::svgAttributeChanged(const QualifiedName& attrName)
62 {
63 SVGFilterPrimitiveStandardAttributes::svgAttributeChanged(attrName);
64
65 if (attrName == SVGNames::inAttr
66 || attrName == SVGNames::dxAttr
67 || attrName == SVGNames::dyAttr)
68 invalidate();
69 }
70
synchronizeProperty(const QualifiedName & attrName)71 void SVGFEOffsetElement::synchronizeProperty(const QualifiedName& attrName)
72 {
73 SVGFilterPrimitiveStandardAttributes::synchronizeProperty(attrName);
74
75 if (attrName == anyQName()) {
76 synchronizeDx();
77 synchronizeDy();
78 synchronizeIn1();
79 return;
80 }
81
82 if (attrName == SVGNames::dxAttr)
83 synchronizeDx();
84 else if (attrName == SVGNames::dyAttr)
85 synchronizeDy();
86 else if (attrName == SVGNames::inAttr)
87 synchronizeIn1();
88 }
89
attributeToPropertyTypeMap()90 AttributeToPropertyTypeMap& SVGFEOffsetElement::attributeToPropertyTypeMap()
91 {
92 DEFINE_STATIC_LOCAL(AttributeToPropertyTypeMap, s_attributeToPropertyTypeMap, ());
93 return s_attributeToPropertyTypeMap;
94 }
95
fillAttributeToPropertyTypeMap()96 void SVGFEOffsetElement::fillAttributeToPropertyTypeMap()
97 {
98 AttributeToPropertyTypeMap& attributeToPropertyTypeMap = this->attributeToPropertyTypeMap();
99
100 SVGFilterPrimitiveStandardAttributes::fillPassedAttributeToPropertyTypeMap(attributeToPropertyTypeMap);
101 attributeToPropertyTypeMap.set(SVGNames::inAttr, AnimatedString);
102 attributeToPropertyTypeMap.set(SVGNames::dxAttr, AnimatedNumber);
103 attributeToPropertyTypeMap.set(SVGNames::dyAttr, AnimatedNumber);
104 }
105
build(SVGFilterBuilder * filterBuilder,Filter * filter)106 PassRefPtr<FilterEffect> SVGFEOffsetElement::build(SVGFilterBuilder* filterBuilder, Filter* filter)
107 {
108 FilterEffect* input1 = filterBuilder->getEffectById(in1());
109
110 if (!input1)
111 return 0;
112
113 RefPtr<FilterEffect> effect = FEOffset::create(filter, dx(), dy());
114 effect->inputEffects().append(input1);
115 return effect.release();
116 }
117
118 }
119
120 #endif // ENABLE(SVG)
121