1 /*
2 Copyright (C) 2004, 2005, 2006, 2008 Nikolas Zimmermann <zimmermann@kde.org>
3 2004, 2005, 2006, 2007 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)
24 #include "SVGLineElement.h"
25
26 #include "FloatPoint.h"
27 #include "MappedAttribute.h"
28 #include "RenderPath.h"
29 #include "SVGLength.h"
30 #include "SVGNames.h"
31
32 namespace WebCore {
33
SVGLineElement(const QualifiedName & tagName,Document * doc)34 SVGLineElement::SVGLineElement(const QualifiedName& tagName, Document* doc)
35 : SVGStyledTransformableElement(tagName, doc)
36 , SVGTests()
37 , SVGLangSpace()
38 , SVGExternalResourcesRequired()
39 , m_x1(LengthModeWidth)
40 , m_y1(LengthModeHeight)
41 , m_x2(LengthModeWidth)
42 , m_y2(LengthModeHeight)
43 {
44 }
45
~SVGLineElement()46 SVGLineElement::~SVGLineElement()
47 {
48 }
49
parseMappedAttribute(MappedAttribute * attr)50 void SVGLineElement::parseMappedAttribute(MappedAttribute* attr)
51 {
52 if (attr->name() == SVGNames::x1Attr)
53 setX1BaseValue(SVGLength(LengthModeWidth, attr->value()));
54 else if (attr->name() == SVGNames::y1Attr)
55 setY1BaseValue(SVGLength(LengthModeHeight, attr->value()));
56 else if (attr->name() == SVGNames::x2Attr)
57 setX2BaseValue(SVGLength(LengthModeWidth, attr->value()));
58 else if (attr->name() == SVGNames::y2Attr)
59 setY2BaseValue(SVGLength(LengthModeHeight, attr->value()));
60 else {
61 if (SVGTests::parseMappedAttribute(attr))
62 return;
63 if (SVGLangSpace::parseMappedAttribute(attr))
64 return;
65 if (SVGExternalResourcesRequired::parseMappedAttribute(attr))
66 return;
67 SVGStyledTransformableElement::parseMappedAttribute(attr);
68 }
69 }
70
svgAttributeChanged(const QualifiedName & attrName)71 void SVGLineElement::svgAttributeChanged(const QualifiedName& attrName)
72 {
73 SVGStyledTransformableElement::svgAttributeChanged(attrName);
74
75 if (!renderer())
76 return;
77
78 if (attrName == SVGNames::x1Attr || attrName == SVGNames::y1Attr ||
79 attrName == SVGNames::x2Attr || attrName == SVGNames::y2Attr ||
80 SVGTests::isKnownAttribute(attrName) ||
81 SVGLangSpace::isKnownAttribute(attrName) ||
82 SVGExternalResourcesRequired::isKnownAttribute(attrName) ||
83 SVGStyledTransformableElement::isKnownAttribute(attrName))
84 renderer()->setNeedsLayout(true);
85 }
86
synchronizeProperty(const QualifiedName & attrName)87 void SVGLineElement::synchronizeProperty(const QualifiedName& attrName)
88 {
89 SVGStyledTransformableElement::synchronizeProperty(attrName);
90
91 if (attrName == anyQName()) {
92 synchronizeX1();
93 synchronizeY1();
94 synchronizeX2();
95 synchronizeY2();
96 synchronizeExternalResourcesRequired();
97 return;
98 }
99
100 if (attrName == SVGNames::x1Attr)
101 synchronizeX1();
102 else if (attrName == SVGNames::y1Attr)
103 synchronizeY1();
104 else if (attrName == SVGNames::x2Attr)
105 synchronizeX2();
106 else if (attrName == SVGNames::y2Attr)
107 synchronizeY2();
108 else if (SVGExternalResourcesRequired::isKnownAttribute(attrName))
109 synchronizeExternalResourcesRequired();
110 }
111
toPathData() const112 Path SVGLineElement::toPathData() const
113 {
114 return Path::createLine(FloatPoint(x1().value(this), y1().value(this)),
115 FloatPoint(x2().value(this), y2().value(this)));
116 }
117
hasRelativeValues() const118 bool SVGLineElement::hasRelativeValues() const
119 {
120 return (x1().isRelative() || y1().isRelative() ||
121 x2().isRelative() || y2().isRelative());
122 }
123
124 }
125
126 #endif // ENABLE(SVG)
127