KHtml

SVGStyledTransformableElement.cpp
1 /*
2  Copyright (C) 2004, 2005, 2008 Nikolas Zimmermann <[email protected]>
3  2004, 2005, 2006 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 "SVGStyledTransformableElement.h"
27 
28 /*#include "Attr.h"
29 #include "RegularExpression.h"*/
30 #include "RenderPath.h"
31 #include "SVGDocument.h"
32 #include "AffineTransform.h"
33 #include "SVGStyledElement.h"
34 #include "SVGTransformList.h"
35 
36 namespace WebCore
37 {
38 
39 SVGStyledTransformableElement::SVGStyledTransformableElement(const QualifiedName &tagName, Document *doc)
40  : SVGStyledLocatableElement(tagName, doc)
41  , SVGTransformable()
42  , m_transform(SVGTransformList::create(SVGNames::transformAttr))
43 {
44 }
45 
46 SVGStyledTransformableElement::~SVGStyledTransformableElement()
47 {
48 }
49 
50 ANIMATED_PROPERTY_DEFINITIONS(SVGStyledTransformableElement, SVGTransformList *, TransformList, transformList, Transform, transform, SVGNames::transformAttr, m_transform.get())
51 
52 AffineTransform SVGStyledTransformableElement::getCTM() const
53 {
54  return SVGTransformable::getCTM(this);
55 }
56 
57 AffineTransform SVGStyledTransformableElement::getScreenCTM() const
58 {
59  return SVGTransformable::getScreenCTM(this);
60 }
61 
62 AffineTransform SVGStyledTransformableElement::animatedLocalTransform() const
63 {
64  return m_supplementalTransform ? transform()->concatenate().matrix() **m_supplementalTransform : transform()->concatenate().matrix();
65 }
66 
67 AffineTransform *SVGStyledTransformableElement::supplementalTransform()
68 {
69  if (!m_supplementalTransform) {
70  m_supplementalTransform.set(new AffineTransform());
71  }
72  return m_supplementalTransform.get();
73 }
74 
75 void SVGStyledTransformableElement::parseMappedAttribute(MappedAttribute *attr)
76 {
77  if (attr->name() == SVGNames::transformAttr) {
78  SVGTransformList *localTransforms = transformBaseValue();
79 
80  ExceptionCode ec = 0;
81  localTransforms->clear(ec);
82 
83  if (!SVGTransformable::parseTransformAttribute(localTransforms, attr->value())) {
84  localTransforms->clear(ec);
85  } else {
86  setTransformBaseValue(localTransforms);
87  }
88  } else {
89  SVGStyledLocatableElement::parseMappedAttribute(attr);
90  }
91 }
92 
93 bool SVGStyledTransformableElement::isKnownAttribute(const QualifiedName &attrName)
94 {
95  return SVGTransformable::isKnownAttribute(attrName) ||
96  SVGStyledLocatableElement::isKnownAttribute(attrName);
97 }
98 
99 SVGElement *SVGStyledTransformableElement::nearestViewportElement() const
100 {
101  return SVGTransformable::nearestViewportElement(this);
102 }
103 
104 SVGElement *SVGStyledTransformableElement::farthestViewportElement() const
105 {
106  return SVGTransformable::farthestViewportElement(this);
107 }
108 
109 FloatRect SVGStyledTransformableElement::getBBox() const
110 {
111  return SVGTransformable::getBBox(this);
112 }
113 
114 RenderObject *SVGStyledTransformableElement::createRenderer(RenderArena *arena, RenderStyle *style)
115 {
116  // By default, any subclass is expected to do path-based drawing
117  return new(arena) RenderPath(style, this);
118 }
119 
120 }
121 
122 #endif // ENABLE(SVG)
QAction * create(StandardAction id, const QObject *recvr, Func slot, QObject *parent)
KDOCTOOLS_EXPORT QString transform(const QString &file, const QString &stylesheet, const QVector< const char * > &params=QVector< const char * >())
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