1 /*
2 Copyright (C) 2009 Dirk Schulze <krit@webkit.org>
3
4 This library is free software; you can redistribute it and/or
5 modify it under the terms of the GNU Library General Public
6 License as published by the Free Software Foundation; either
7 version 2 of the License, or (at your option) any later version.
8
9 This library is distributed in the hope that it will be useful,
10 but WITHOUT ANY WARRANTY; without even the implied warranty of
11 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
12 Library General Public License for more details.
13
14 You should have received a copy of the GNU Library General Public License
15 along with this library; see the file COPYING.LIB. If not, write to
16 the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
17 Boston, MA 02110-1301, USA.
18 */
19
20 #include "config.h"
21
22 #if ENABLE(SVG) && ENABLE(FILTERS)
23 #include "SVGFEMorphologyElement.h"
24
25 #include "MappedAttribute.h"
26 #include "SVGNames.h"
27 #include "SVGParserUtilities.h"
28 #include "SVGResourceFilter.h"
29
30 namespace WebCore {
31
32 char SVGRadiusXAttrIdentifier[] = "SVGRadiusXAttr";
33 char SVGRadiusYAttrIdentifier[] = "SVGRadiusYAttr";
34
SVGFEMorphologyElement(const QualifiedName & tagName,Document * document)35 SVGFEMorphologyElement::SVGFEMorphologyElement(const QualifiedName& tagName, Document* document)
36 : SVGFilterPrimitiveStandardAttributes(tagName, document)
37 , m__operator(FEMORPHOLOGY_OPERATOR_ERODE)
38 {
39 }
40
~SVGFEMorphologyElement()41 SVGFEMorphologyElement::~SVGFEMorphologyElement()
42 {
43 }
44
setRadius(float,float)45 void SVGFEMorphologyElement::setRadius(float, float)
46 {
47 // FIXME: Needs an implementation.
48 }
49
parseMappedAttribute(MappedAttribute * attr)50 void SVGFEMorphologyElement::parseMappedAttribute(MappedAttribute* attr)
51 {
52 const String& value = attr->value();
53 if (attr->name() == SVGNames::operatorAttr) {
54 if (value == "erode")
55 set_operatorBaseValue(FEMORPHOLOGY_OPERATOR_ERODE);
56 else if (value == "dilate")
57 set_operatorBaseValue(FEMORPHOLOGY_OPERATOR_DILATE);
58 } else if (attr->name() == SVGNames::inAttr)
59 setIn1BaseValue(value);
60 else if (attr->name() == SVGNames::radiusAttr) {
61 float x, y;
62 if (parseNumberOptionalNumber(value, x, y)) {
63 setRadiusXBaseValue(x);
64 setRadiusYBaseValue(y);
65 }
66 } else
67 SVGFilterPrimitiveStandardAttributes::parseMappedAttribute(attr);
68 }
69
synchronizeProperty(const QualifiedName & attrName)70 void SVGFEMorphologyElement::synchronizeProperty(const QualifiedName& attrName)
71 {
72 SVGFilterPrimitiveStandardAttributes::synchronizeProperty(attrName);
73
74 if (attrName == anyQName()) {
75 synchronize_operator();
76 synchronizeIn1();
77 synchronizeRadiusX();
78 synchronizeRadiusY();
79 return;
80 }
81
82 if (attrName == SVGNames::operatorAttr)
83 synchronize_operator();
84 else if (attrName == SVGNames::inAttr)
85 synchronizeIn1();
86 else if (attrName == SVGNames::radiusAttr) {
87 synchronizeRadiusX();
88 synchronizeRadiusY();
89 }
90 }
91
build(SVGResourceFilter * filterResource)92 bool SVGFEMorphologyElement::build(SVGResourceFilter* filterResource)
93 {
94 FilterEffect* input1 = filterResource->builder()->getEffectById(in1());
95
96 if (!input1)
97 return false;
98
99 RefPtr<FilterEffect> effect = FEMorphology::create(input1, static_cast<MorphologyOperatorType>(_operator()), radiusX(), radiusY());
100 filterResource->addFilterEffect(this, effect.release());
101
102 return true;
103 }
104
105 } //namespace WebCore
106
107 #endif // ENABLE(SVG)
108