KHtml

SVGLineElement.cpp
1 /*
2  Copyright (C) 2004, 2005, 2006, 2008 Nikolas Zimmermann <[email protected]>
3  2004, 2005, 2006, 2007 Rob Buis <[email protected]>
4 
5  This file is part of the KDE project
6 
7  This library is free software; you can redistribute it and/or
8  modify it under the terms of the GNU Library General Public
9  License as published by the Free Software Foundation; either
10  version 2 of the License, or (at your option) any later version.
11 
12  This library is distributed in the hope that it will be useful,
13  but WITHOUT ANY WARRANTY; without even the implied warranty of
14  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
15  Library General Public License for more details.
16 
17  You should have received a copy of the GNU Library General Public License
18  along with this library; see the file COPYING.LIB. If not, write to
19  the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
20  Boston, MA 02110-1301, USA.
21 */
22 
23 #include "wtf/Platform.h"
24 
25 #if ENABLE(SVG)
26 #include "SVGLineElement.h"
27 
28 #include "FloatPoint.h"
29 #include "RenderPath.h"
30 #include "SVGLength.h"
31 #include "SVGNames.h"
32 
33 namespace WebCore
34 {
35 
36 SVGLineElement::SVGLineElement(const QualifiedName &tagName, Document *doc)
37  : SVGStyledTransformableElement(tagName, doc)
38  , SVGTests()
39  , SVGLangSpace()
40  , SVGExternalResourcesRequired()
41  , m_x1(this, LengthModeWidth)
42  , m_y1(this, LengthModeHeight)
43  , m_x2(this, LengthModeWidth)
44  , m_y2(this, LengthModeHeight)
45 {
46 }
47 
48 SVGLineElement::~SVGLineElement()
49 {
50 }
51 
52 ANIMATED_PROPERTY_DEFINITIONS(SVGLineElement, SVGLength, Length, length, X1, x1, SVGNames::x1Attr, m_x1)
53 ANIMATED_PROPERTY_DEFINITIONS(SVGLineElement, SVGLength, Length, length, Y1, y1, SVGNames::y1Attr, m_y1)
54 ANIMATED_PROPERTY_DEFINITIONS(SVGLineElement, SVGLength, Length, length, X2, x2, SVGNames::x2Attr, m_x2)
55 ANIMATED_PROPERTY_DEFINITIONS(SVGLineElement, SVGLength, Length, length, Y2, y2, SVGNames::y2Attr, m_y2)
56 
57 void SVGLineElement::parseMappedAttribute(MappedAttribute *attr)
58 {
59  if (attr->name() == SVGNames::x1Attr) {
60  setX1BaseValue(SVGLength(this, LengthModeWidth, attr->value()));
61  } else if (attr->name() == SVGNames::y1Attr) {
62  setY1BaseValue(SVGLength(this, LengthModeHeight, attr->value()));
63  } else if (attr->name() == SVGNames::x2Attr) {
64  setX2BaseValue(SVGLength(this, LengthModeWidth, attr->value()));
65  } else if (attr->name() == SVGNames::y2Attr) {
66  setY2BaseValue(SVGLength(this, LengthModeHeight, attr->value()));
67  } else {
68  if (SVGTests::parseMappedAttribute(attr)) {
69  return;
70  }
71  if (SVGLangSpace::parseMappedAttribute(attr)) {
72  return;
73  }
74  if (SVGExternalResourcesRequired::parseMappedAttribute(attr)) {
75  return;
76  }
77  SVGStyledTransformableElement::parseMappedAttribute(attr);
78  }
79 }
80 
81 void SVGLineElement::svgAttributeChanged(const QualifiedName &attrName)
82 {
83  SVGStyledTransformableElement::svgAttributeChanged(attrName);
84 
85  if (!renderer()) {
86  return;
87  }
88 
89  if (attrName == SVGNames::x1Attr || attrName == SVGNames::y1Attr ||
90  attrName == SVGNames::x2Attr || attrName == SVGNames::y2Attr ||
91  SVGTests::isKnownAttribute(attrName) ||
92  SVGLangSpace::isKnownAttribute(attrName) ||
93  SVGExternalResourcesRequired::isKnownAttribute(attrName) ||
94  SVGStyledTransformableElement::isKnownAttribute(attrName)) {
95  renderer()->setNeedsLayout(true);
96  }
97 }
98 
99 Path SVGLineElement::toPathData() const
100 {
101  return Path::createLine(FloatPoint(x1().value(), y1().value()),
102  FloatPoint(x2().value(), y2().value()));
103 }
104 
105 bool SVGLineElement::hasRelativeValues() const
106 {
107  return (x1().isRelative() || y1().isRelative() ||
108  x2().isRelative() || y2().isRelative());
109 }
110 
111 }
112 
113 #endif // ENABLE(SVG)
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