khtml/svg/SVGLineElement.cpp

   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 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 "SVGLineElement.h"
  28
  29 #include "FloatPoint.h"
  30 #include "RenderPath.h"
  31 #include "SVGLength.h"
  32 #include "SVGNames.h"
  33
  34 namespace WebCore {
  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     {
  69         if (SVGTests::parseMappedAttribute(attr))
  70             return;
  71         if (SVGLangSpace::parseMappedAttribute(attr))
  72             return;
  73         if (SVGExternalResourcesRequired::parseMappedAttribute(attr))
  74             return;
  75         SVGStyledTransformableElement::parseMappedAttribute(attr);
  76     }
  77 }
  78
  79 void SVGLineElement::svgAttributeChanged(const QualifiedName& attrName)
  80 {
  81     SVGStyledTransformableElement::svgAttributeChanged(attrName);
  82
  83     if (!renderer())
  84         return;
  85
  86     if (attrName == SVGNames::x1Attr || attrName == SVGNames::y1Attr ||
  87         attrName == SVGNames::x2Attr || attrName == SVGNames::y2Attr ||
  88         SVGTests::isKnownAttribute(attrName) ||
  89         SVGLangSpace::isKnownAttribute(attrName) ||
  90         SVGExternalResourcesRequired::isKnownAttribute(attrName) ||
  91         SVGStyledTransformableElement::isKnownAttribute(attrName))
  92         renderer()->setNeedsLayout(true);
  93 }
  94
  95 Path SVGLineElement::toPathData() const
  96 {
  97     return Path::createLine(FloatPoint(x1().value(), y1().value()),
  98                             FloatPoint(x2().value(), y2().value()));
  99 }
 100
 101 bool SVGLineElement::hasRelativeValues() const
 102 {
 103     return (x1().isRelative() || y1().isRelative() ||
 104             x2().isRelative() || y2().isRelative());
 105 }
 106
 107 }
 108
 109 #endif // ENABLE(SVG)