khtml/svg/SVGRectElement.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 "SVGRectElement.h"
  28
  29 #include "RenderPath.h"
  30 #include "SVGLength.h"
  31 #include "SVGNames.h"
  32
  33 namespace WebCore {
  34
  35 SVGRectElement::SVGRectElement(const QualifiedName& tagName, Document *doc)
  36     : SVGStyledTransformableElement(tagName, doc)
  37     , SVGTests()
  38     , SVGLangSpace()
  39     , SVGExternalResourcesRequired()
  40     , m_x(this, LengthModeWidth)
  41     , m_y(this, LengthModeHeight)
  42     , m_width(this, LengthModeWidth)
  43     , m_height(this, LengthModeHeight)
  44     , m_rx(this, LengthModeWidth)
  45     , m_ry(this, LengthModeHeight)
  46 {
  47 }
  48
  49 SVGRectElement::~SVGRectElement()
  50 {
  51 }
  52
  53 ANIMATED_PROPERTY_DEFINITIONS(SVGRectElement, SVGLength, Length, length, X, x, SVGNames::xAttr, m_x)
  54 ANIMATED_PROPERTY_DEFINITIONS(SVGRectElement, SVGLength, Length, length, Y, y, SVGNames::yAttr, m_y)
  55 ANIMATED_PROPERTY_DEFINITIONS(SVGRectElement, SVGLength, Length, length, Width, width, SVGNames::widthAttr, m_width)
  56 ANIMATED_PROPERTY_DEFINITIONS(SVGRectElement, SVGLength, Length, length, Height, height, SVGNames::heightAttr, m_height)
  57 ANIMATED_PROPERTY_DEFINITIONS(SVGRectElement, SVGLength, Length, length, Rx, rx, SVGNames::rxAttr, m_rx)
  58 ANIMATED_PROPERTY_DEFINITIONS(SVGRectElement, SVGLength, Length, length, Ry, ry, SVGNames::ryAttr, m_ry)
  59
  60 void SVGRectElement::parseMappedAttribute(MappedAttribute* attr)
  61 {
  62     kDebug() << "called with" << attr->localName() << attr->value() << endl;
  63     if (attr->name() == SVGNames::xAttr)
  64         setXBaseValue(SVGLength(this, LengthModeWidth, attr->value()));
  65     else if (attr->name() == SVGNames::yAttr)
  66         setYBaseValue(SVGLength(this, LengthModeHeight, attr->value()));
  67     else if (attr->name() == SVGNames::rxAttr) {
  68         setRxBaseValue(SVGLength(this, LengthModeWidth, attr->value()));
  69         if (rx().value() < 0.0)
  70             document()->accessSVGExtensions()->reportError("A negative value for rect <rx> is not allowed");
  71     } else if (attr->name() == SVGNames::ryAttr) {
  72         setRyBaseValue(SVGLength(this, LengthModeHeight, attr->value()));
  73         if (ry().value() < 0.0)
  74             document()->accessSVGExtensions()->reportError("A negative value for rect <ry> is not allowed");
  75     } else if (attr->name() == SVGNames::widthAttr) {
  76         setWidthBaseValue(SVGLength(this, LengthModeWidth, attr->value()));
  77         if (width().value() < 0.0)
  78             document()->accessSVGExtensions()->reportError("A negative value for rect <width> is not allowed");
  79     } else if (attr->name() == SVGNames::heightAttr) {
  80         setHeightBaseValue(SVGLength(this, LengthModeHeight, attr->value()));
  81         if (height().value() < 0.0)
  82             document()->accessSVGExtensions()->reportError("A negative value for rect <height> is not allowed");
  83     } else {
  84         if (SVGTests::parseMappedAttribute(attr))
  85             return;
  86         if (SVGLangSpace::parseMappedAttribute(attr))
  87             return;
  88         if (SVGExternalResourcesRequired::parseMappedAttribute(attr))
  89             return;
  90         SVGStyledTransformableElement::parseMappedAttribute(attr);
  91     }
  92 }
  93
  94 void SVGRectElement::svgAttributeChanged(const QualifiedName& attrName)
  95 {
  96     SVGStyledTransformableElement::svgAttributeChanged(attrName);
  97
  98     if (!renderer())
  99         return;
 100
 101     if (attrName == SVGNames::xAttr || attrName == SVGNames::yAttr ||
 102         attrName == SVGNames::widthAttr || attrName == SVGNames::heightAttr ||
 103         attrName == SVGNames::rxAttr || attrName == SVGNames::ryAttr ||
 104         SVGTests::isKnownAttribute(attrName) ||
 105         SVGLangSpace::isKnownAttribute(attrName) ||
 106         SVGExternalResourcesRequired::isKnownAttribute(attrName) ||
 107         SVGStyledTransformableElement::isKnownAttribute(attrName))
 108         renderer()->setNeedsLayout(true);
 109 }
 110
 111 Path SVGRectElement::toPathData() const
 112 {
 113     FloatRect rect(x().value(), y().value(), width().value(), height().value());
 114
 115     bool hasRx = hasAttribute(SVGNames::rxAttr);
 116     bool hasRy = hasAttribute(SVGNames::ryAttr);
 117     if (hasRx || hasRy) {
 118         float _rx = hasRx ? rx().value() : ry().value();
 119         float _ry = hasRy ? ry().value() : rx().value();
 120         return Path::createRoundedRectangle(rect, FloatSize(_rx, _ry));
 121     }
 122
 123     return Path::createRectangle(rect);
 124 }
 125
 126 bool SVGRectElement::hasRelativeValues() const
 127 {
 128     return (x().isRelative() || width().isRelative() ||
 129             y().isRelative() || height().isRelative() ||
 130             rx().isRelative() || ry().isRelative());
 131 }
 132
 133 // KHTML ElementImpl pure virtual method
 134 quint32 SVGRectElement::id() const
 135 {
 136     return SVGNames::rectTag.id();
 137 }
 138
 139 DOMString SVGRectElement::tagName() const
 140 {
 141     return SVGNames::rectTag.tagName();
 142 }
 143
 144 }
 145
 146 #endif // ENABLE(SVG)