khtml/svg/SVGStyledTransformableElement.cpp

   1 /*
   2     Copyright (C) 2004, 2005, 2008 Nikolas Zimmermann <zimmermann@kde.org>
   3                   2004, 2005, 2006 Rob Buis <buis@kde.org>
   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 "config.h"
  24 #include "wtf/Platform.h"
  25
  26 #if ENABLE(SVG)
  27 #include "SVGStyledTransformableElement.h"
  28
  29 /*#include "Attr.h"
  30 #include "RegularExpression.h"*/
  31 #include "RenderPath.h"
  32 #include "SVGDocument.h"
  33 #include "AffineTransform.h"
  34 #include "SVGStyledElement.h"
  35 #include "SVGTransformList.h"
  36
  37 namespace WebCore {
  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     return m_supplementalTransform.get();
  72 }
  73
  74 void SVGStyledTransformableElement::parseMappedAttribute(MappedAttribute* attr)
  75 {
  76     if (attr->name() == SVGNames::transformAttr) {
  77         SVGTransformList* localTransforms = transformBaseValue();
  78
  79         ExceptionCode ec = 0;
  80         localTransforms->clear(ec);
  81
  82         if (!SVGTransformable::parseTransformAttribute(localTransforms, attr->value()))
  83             localTransforms->clear(ec);
  84         else
  85             setTransformBaseValue(localTransforms);
  86     } else
  87         SVGStyledLocatableElement::parseMappedAttribute(attr);
  88 }
  89
  90 bool SVGStyledTransformableElement::isKnownAttribute(const QualifiedName& attrName)
  91 {
  92     return SVGTransformable::isKnownAttribute(attrName) ||
  93            SVGStyledLocatableElement::isKnownAttribute(attrName);
  94 }
  95
  96 SVGElement* SVGStyledTransformableElement::nearestViewportElement() const
  97 {
  98     return SVGTransformable::nearestViewportElement(this);
  99 }
 100
 101 SVGElement* SVGStyledTransformableElement::farthestViewportElement() const
 102 {
 103     return SVGTransformable::farthestViewportElement(this);
 104 }
 105
 106 FloatRect SVGStyledTransformableElement::getBBox() const
 107 {
 108     return SVGTransformable::getBBox(this);
 109 }
 110
 111 RenderObject* SVGStyledTransformableElement::createRenderer(RenderArena* arena, RenderStyle* style)
 112 {
 113     // By default, any subclass is expected to do path-based drawing
 114     return new (arena) RenderPath(style, this);
 115 }
 116
 117 }
 118
 119 #endif // ENABLE(SVG)