blob: f85fdc4908b583ed647086577cbdab2c1618efe7 [file] [log] [blame]
/*
Copyright (C) 2004, 2005 Nikolas Zimmermann <wildfox@kde.org>
2004, 2005 Rob Buis <buis@kde.org>
This file is part of the KDE project
This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Library General Public
License as published by the Free Software Foundation; either
version 2 of the License, or (at your option) any later version.
This library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Library General Public License for more details.
You should have received a copy of the GNU Library General Public License
along with this library; see the file COPYING.LIB. If not, write to
the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
Boston, MA 02111-1307, USA.
*/
#include "config.h"
#if SVG_SUPPORT
#include <kdom/core/Attr.h>
#include "ksvg.h"
#include "SVGNames.h"
#include "SVGHelper.h"
#include "SVGRect.h"
#include "SVGPoint.h"
#include "SVGSVGElement.h"
#include "SVGPathSegArc.h"
#include "SVGPathSegList.h"
#include "SVGPathElement.h"
#include "SVGPathSegLineto.h"
#include "SVGPathSegMoveto.h"
#include "SVGAnimatedNumber.h"
#include "SVGPathSegClosePath.h"
#include "SVGPathSegCurvetoCubic.h"
#include "SVGPathSegLinetoVertical.h"
#include "SVGPathSegLinetoHorizontal.h"
#include "SVGPathSegCurvetoQuadratic.h"
#include "SVGPathSegCurvetoCubicSmooth.h"
#include "SVGPathSegCurvetoQuadraticSmooth.h"
#include <kcanvas/KCanvas.h>
#include <kcanvas/KCanvasCreator.h>
#include <kcanvas/device/KRenderingDevice.h>
namespace WebCore {
SVGPathElement::SVGPathElement(const QualifiedName& tagName, Document *doc)
: SVGStyledTransformableElement(tagName, doc), SVGTests(), SVGLangSpace(), SVGExternalResourcesRequired(), SVGPathParser()
{
}
SVGPathElement::~SVGPathElement()
{
}
SVGAnimatedNumber *SVGPathElement::pathLength() const
{
if(!m_pathLength)
{
lazy_create<SVGAnimatedNumber>(m_pathLength, this);
m_pathLength->setBaseVal(0);
}
return m_pathLength.get();
}
double SVGPathElement::getTotalLength()
{
return 0;
}
SVGPoint *SVGPathElement::getPointAtLength(double /*distance*/)
{
SVGPoint *ret = SVGSVGElement::createSVGPoint();
/*double totalDistance = getTotalLength();
T2P::BezierPath *path = ownerDoc()->canvas()->toBezierPath(m_item);
if(path)
{
T2P::Point p;
path->pointTangentNormalAt(distance / totalDistance, &p);
ret->setX(p.x());
ret->setY(p.y());
}*/
return ret;
}
unsigned long SVGPathElement::getPathSegAtLength(double)
{
return 0;
}
SVGPathSegClosePath *SVGPathElement::createSVGPathSegClosePath()
{
return new SVGPathSegClosePath();
}
SVGPathSegMovetoAbs *SVGPathElement::createSVGPathSegMovetoAbs(double x, double y, const SVGStyledElement *context)
{
SVGPathSegMovetoAbs *temp = new SVGPathSegMovetoAbs(context);
temp->setX(x);
temp->setY(y);
return temp;
}
SVGPathSegMovetoRel *SVGPathElement::createSVGPathSegMovetoRel(double x, double y, const SVGStyledElement *context)
{
SVGPathSegMovetoRel *temp = new SVGPathSegMovetoRel(context);
temp->setX(x);
temp->setY(y);
return temp;
}
SVGPathSegLinetoAbs *SVGPathElement::createSVGPathSegLinetoAbs(double x, double y, const SVGStyledElement *context)
{
SVGPathSegLinetoAbs *temp = new SVGPathSegLinetoAbs(context);
temp->setX(x);
temp->setY(y);
return temp;
}
SVGPathSegLinetoRel *SVGPathElement::createSVGPathSegLinetoRel(double x, double y, const SVGStyledElement *context)
{
SVGPathSegLinetoRel *temp = new SVGPathSegLinetoRel(context);
temp->setX(x);
temp->setY(y);
return temp;
}
SVGPathSegCurvetoCubicAbs *SVGPathElement::createSVGPathSegCurvetoCubicAbs(double x, double y, double x1, double y1, double x2, double y2, const SVGStyledElement *context)
{
SVGPathSegCurvetoCubicAbs *temp = new SVGPathSegCurvetoCubicAbs(context);
temp->setX(x);
temp->setY(y);
temp->setX1(x1);
temp->setY1(y1);
temp->setX2(x2);
temp->setY2(y2);
return temp;
}
SVGPathSegCurvetoCubicRel *SVGPathElement::createSVGPathSegCurvetoCubicRel(double x, double y, double x1, double y1, double x2, double y2, const SVGStyledElement *context)
{
SVGPathSegCurvetoCubicRel *temp = new SVGPathSegCurvetoCubicRel(context);
temp->setX(x);
temp->setY(y);
temp->setX1(x1);
temp->setY1(y1);
temp->setX2(x2);
temp->setY2(y2);
return temp;
}
SVGPathSegCurvetoQuadraticAbs *SVGPathElement::createSVGPathSegCurvetoQuadraticAbs(double x, double y, double x1, double y1, const SVGStyledElement *context)
{
SVGPathSegCurvetoQuadraticAbs *temp = new SVGPathSegCurvetoQuadraticAbs(context);
temp->setX(x);
temp->setY(y);
temp->setX1(x1);
temp->setY1(y1);
return temp;
}
SVGPathSegCurvetoQuadraticRel *SVGPathElement::createSVGPathSegCurvetoQuadraticRel(double x, double y, double x1, double y1, const SVGStyledElement *context)
{
SVGPathSegCurvetoQuadraticRel *temp = new SVGPathSegCurvetoQuadraticRel(context);
temp->setX(x);
temp->setY(y);
temp->setX1(x1);
temp->setY1(y1);
return temp;
}
SVGPathSegArcAbs *SVGPathElement::createSVGPathSegArcAbs(double x, double y, double r1, double r2, double angle, bool largeArcFlag, bool sweepFlag, const SVGStyledElement *context)
{
SVGPathSegArcAbs *temp = new SVGPathSegArcAbs(context);
temp->setX(x);
temp->setY(y);
temp->setR1(r1);
temp->setR2(r2);
temp->setAngle(angle);
temp->setLargeArcFlag(largeArcFlag);
temp->setSweepFlag(sweepFlag);
return temp;
}
SVGPathSegArcRel *SVGPathElement::createSVGPathSegArcRel(double x, double y, double r1, double r2, double angle, bool largeArcFlag, bool sweepFlag, const SVGStyledElement *context)
{
SVGPathSegArcRel *temp = new SVGPathSegArcRel(context);
temp->setX(x);
temp->setY(y);
temp->setR1(r1);
temp->setR2(r2);
temp->setAngle(angle);
temp->setLargeArcFlag(largeArcFlag);
temp->setSweepFlag(sweepFlag);
return temp;
}
SVGPathSegLinetoHorizontalAbs *SVGPathElement::createSVGPathSegLinetoHorizontalAbs(double x, const SVGStyledElement *context)
{
SVGPathSegLinetoHorizontalAbs *temp = new SVGPathSegLinetoHorizontalAbs(context);
temp->setX(x);
return temp;
}
SVGPathSegLinetoHorizontalRel *SVGPathElement::createSVGPathSegLinetoHorizontalRel(double x, const SVGStyledElement *context)
{
SVGPathSegLinetoHorizontalRel *temp = new SVGPathSegLinetoHorizontalRel(context);
temp->setX(x);
return temp;
}
SVGPathSegLinetoVerticalAbs *SVGPathElement::createSVGPathSegLinetoVerticalAbs(double y, const SVGStyledElement *context)
{
SVGPathSegLinetoVerticalAbs *temp = new SVGPathSegLinetoVerticalAbs(context);
temp->setY(y);
return temp;
}
SVGPathSegLinetoVerticalRel *SVGPathElement::createSVGPathSegLinetoVerticalRel(double y, const SVGStyledElement *context)
{
SVGPathSegLinetoVerticalRel *temp = new SVGPathSegLinetoVerticalRel(context);
temp->setY(y);
return temp;
}
SVGPathSegCurvetoCubicSmoothAbs *SVGPathElement::createSVGPathSegCurvetoCubicSmoothAbs(double x, double y, double x2, double y2, const SVGStyledElement *context)
{
SVGPathSegCurvetoCubicSmoothAbs *temp = new SVGPathSegCurvetoCubicSmoothAbs(context);
temp->setX(x);
temp->setY(y);
temp->setX2(x2);
temp->setY2(y2);
return temp;
}
SVGPathSegCurvetoCubicSmoothRel *SVGPathElement::createSVGPathSegCurvetoCubicSmoothRel(double x, double y, double x2, double y2, const SVGStyledElement *context)
{
SVGPathSegCurvetoCubicSmoothRel *temp = new SVGPathSegCurvetoCubicSmoothRel(context);
temp->setX(x);
temp->setY(y);
temp->setX2(x2);
temp->setY2(y2);
return temp;
}
SVGPathSegCurvetoQuadraticSmoothAbs *SVGPathElement::createSVGPathSegCurvetoQuadraticSmoothAbs(double x, double y, const SVGStyledElement *context)
{
SVGPathSegCurvetoQuadraticSmoothAbs *temp = new SVGPathSegCurvetoQuadraticSmoothAbs(context);
temp->setX(x);
temp->setY(y);
return temp;
}
SVGPathSegCurvetoQuadraticSmoothRel *SVGPathElement::createSVGPathSegCurvetoQuadraticSmoothRel(double x, double y, const SVGStyledElement *context)
{
SVGPathSegCurvetoQuadraticSmoothRel *temp = new SVGPathSegCurvetoQuadraticSmoothRel(context);
temp->setX(x);
temp->setY(y);
return temp;
}
void SVGPathElement::svgMoveTo(double x1, double y1, bool, bool abs)
{
if(abs)
pathSegList()->appendItem(createSVGPathSegMovetoAbs(x1, y1, this));
else
pathSegList()->appendItem(createSVGPathSegMovetoRel(x1, y1, this));
}
void SVGPathElement::svgLineTo(double x1, double y1, bool abs)
{
if(abs)
pathSegList()->appendItem(createSVGPathSegLinetoAbs(x1, y1, this));
else
pathSegList()->appendItem(createSVGPathSegLinetoRel(x1, y1, this));
}
void SVGPathElement::svgLineToHorizontal(double x, bool abs)
{
if(abs)
pathSegList()->appendItem(createSVGPathSegLinetoHorizontalAbs(x, this));
else
pathSegList()->appendItem(createSVGPathSegLinetoHorizontalRel(x, this));
}
void SVGPathElement::svgLineToVertical(double y, bool abs)
{
if(abs)
pathSegList()->appendItem(createSVGPathSegLinetoVerticalAbs(y, this));
else
pathSegList()->appendItem(createSVGPathSegLinetoVerticalRel(y, this));
}
void SVGPathElement::svgCurveToCubic(double x1, double y1, double x2, double y2, double x, double y, bool abs)
{
if(abs)
pathSegList()->appendItem(createSVGPathSegCurvetoCubicAbs(x, y, x1, y1, x2, y2, this));
else
pathSegList()->appendItem(createSVGPathSegCurvetoCubicRel(x, y, x1, y1, x2, y2, this));
}
void SVGPathElement::svgCurveToCubicSmooth(double x, double y, double x2, double y2, bool abs)
{
if(abs)
pathSegList()->appendItem(createSVGPathSegCurvetoCubicSmoothAbs(x2, y2, x, y, this));
else
pathSegList()->appendItem(createSVGPathSegCurvetoCubicSmoothRel(x2, y2, x, y, this));
}
void SVGPathElement::svgCurveToQuadratic(double x, double y, double x1, double y1, bool abs)
{
if(abs)
pathSegList()->appendItem(createSVGPathSegCurvetoQuadraticAbs(x1, y1, x, y, this));
else
pathSegList()->appendItem(createSVGPathSegCurvetoQuadraticRel(x1, y1, x, y, this));
}
void SVGPathElement::svgCurveToQuadraticSmooth(double x, double y, bool abs)
{
if(abs)
pathSegList()->appendItem(createSVGPathSegCurvetoQuadraticSmoothAbs(x, y, this));
else
pathSegList()->appendItem(createSVGPathSegCurvetoQuadraticSmoothRel(x, y, this));
}
void SVGPathElement::svgArcTo(double x, double y, double r1, double r2, double angle, bool largeArcFlag, bool sweepFlag, bool abs)
{
if(abs)
pathSegList()->appendItem(createSVGPathSegArcAbs(x, y, r1, r2, angle, largeArcFlag, sweepFlag, this));
else
pathSegList()->appendItem(createSVGPathSegArcRel(x, y, r1, r2, angle, largeArcFlag, sweepFlag, this));
}
void SVGPathElement::svgClosePath()
{
pathSegList()->appendItem(createSVGPathSegClosePath());
}
void SVGPathElement::parseMappedAttribute(MappedAttribute *attr)
{
if (attr->name() == SVGNames::dAttr) {
pathSegList()->clear();
parseSVG(attr->value().deprecatedString(), true);
} else {
if(SVGTests::parseMappedAttribute(attr)) return;
if(SVGLangSpace::parseMappedAttribute(attr)) return;
if(SVGExternalResourcesRequired::parseMappedAttribute(attr)) return;
SVGStyledTransformableElement::parseMappedAttribute(attr);
}
}
SVGPathSegList *SVGPathElement::pathSegList() const
{
return lazy_create<SVGPathSegList>(m_pathSegList, this);
}
SVGPathSegList *SVGPathElement::normalizedPathSegList() const
{
// TODO
return 0;
}
SVGPathSegList *SVGPathElement::animatedPathSegList() const
{
// TODO
return 0;
}
SVGPathSegList *SVGPathElement::animatedNormalizedPathSegList() const
{
// TODO
return 0;
}
// FIXME: This probably belongs on SVGPathSegList instead. -- ecs 12/5/05
KCanvasPath* SVGPathElement::toPathData() const
{
// TODO : also support non-normalized mode, at least in dom structure
int len = pathSegList()->numberOfItems();
if(len < 1)
return 0;
KCanvasPath* pathData = renderingDevice()->createPath();
for(int i = 0; i < len; ++i)
{
SVGPathSeg *p = pathSegList()->getItem(i);
switch(p->pathSegType())
{
case PATHSEG_MOVETO_ABS:
{
SVGPathSegMovetoAbs *moveTo = static_cast<SVGPathSegMovetoAbs *>(p);
pathData->moveTo(moveTo->x(), moveTo->y());
break;
}
case PATHSEG_LINETO_ABS:
{
SVGPathSegLinetoAbs *lineTo = static_cast<SVGPathSegLinetoAbs *>(p);
pathData->lineTo(lineTo->x(), lineTo->y());
break;
}
case PATHSEG_CURVETO_CUBIC_ABS:
{
SVGPathSegCurvetoCubicAbs *curveTo = static_cast<SVGPathSegCurvetoCubicAbs *>(p);
pathData->curveTo(curveTo->x1(), curveTo->y1(),
curveTo->x2(), curveTo->y2(),
curveTo->x(), curveTo->y());
break;
}
case PATHSEG_CLOSEPATH:
pathData->closeSubpath();
default:
break;
}
}
return pathData;
}
}
// vim:ts=4:noet
#endif // SVG_SUPPORT