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869 lines
28 KiB
869 lines
28 KiB
/*
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Copyright (C) 2001-2003 KSVG Team
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This file is part of the KDE project
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This library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Library General Public
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License as published by the Free Software Foundation; either
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version 2 of the License, or (at your option) any later version.
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This library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Library General Public License for more details.
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You should have received a copy of the GNU Library General Public License
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along with this library; see the file COPYING.LIB. If not, write to
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the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
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Boston, MA 02110-1301, USA.
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*/
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#include <math.h>
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#include <cfloat>
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#include <kdebug.h>
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#include <tdelocale.h>
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#include "SVGRectImpl.h"
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#include "SVGPaintImpl.h"
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#include "SVGPointImpl.h"
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#include "SVGAngleImpl.h"
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#include "SVGDocumentImpl.h"
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#include "SVGSVGElementImpl.h"
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#include "SVGPathSegArcImpl.h"
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#include "SVGPathSegListImpl.h"
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#include "SVGPathElementImpl.h"
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#include "SVGPathSegLinetoImpl.h"
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#include "SVGPathSegMovetoImpl.h"
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#include "SVGAnimatedNumberImpl.h"
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#include "SVGPathSegClosePathImpl.h"
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#include "SVGPathSegCurvetoCubicImpl.h"
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#include "SVGPathSegLinetoVerticalImpl.h"
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#include "SVGPathSegLinetoHorizontalImpl.h"
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#include "SVGPathSegCurvetoQuadraticImpl.h"
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#include "SVGPathSegCurvetoCubicSmoothImpl.h"
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#include "SVGPathSegCurvetoQuadraticSmoothImpl.h"
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#include "SVGPaint.h"
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#include "CanvasItem.h"
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#include "KSVGCanvas.h"
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#include "BezierPath.h"
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#include "Point.h"
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using namespace KSVG;
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#include "SVGPathElementImpl.lut.h"
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#include "ksvg_scriptinterpreter.h"
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#include "ksvg_bridge.h"
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#include "ksvg_ecma.h"
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SVGPathElementImpl::SVGPathElementImpl(DOM::ElementImpl *impl) : SVGShapeImpl(impl), SVGTestsImpl(), SVGLangSpaceImpl(), SVGExternalResourcesRequiredImpl(), SVGStylableImpl(this), SVGTransformableImpl(), SVGAnimatedPathDataImpl(), SVGPathParser()
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{
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KSVG_EMPTY_FLAGS
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m_pathLength = new SVGAnimatedNumberImpl();
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m_pathLength->ref();
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m_pathLength->setBaseVal(0);
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}
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SVGPathElementImpl::~SVGPathElementImpl()
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{
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pathSegList()->clear();
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if(m_pathLength)
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m_pathLength->deref();
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}
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SVGAnimatedNumberImpl *SVGPathElementImpl::pathLength() const
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{
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return m_pathLength;
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}
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double SVGPathElementImpl::getTotalLength()
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{
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T2P::BezierPath *path = ownerDoc()->canvas()->toBezierPath(m_item);
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if(path)
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return path->length();
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return 0;
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}
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SVGPointImpl *SVGPathElementImpl::getPointAtLength(double distance)
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{
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SVGPointImpl *ret = SVGSVGElementImpl::createSVGPoint();
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double totalDistance = getTotalLength();
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T2P::BezierPath *path = ownerDoc()->canvas()->toBezierPath(m_item);
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if(path)
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{
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T2P::Point p;
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path->pointTangentNormalAt(distance / totalDistance, &p);
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ret->setX(p.x());
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ret->setY(p.y());
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}
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return ret;
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}
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unsigned long SVGPathElementImpl::getPathSegAtLength(double)
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{
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return 0;
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}
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SVGPathSegClosePathImpl *SVGPathElementImpl::createSVGPathSegClosePath()
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{
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SVGPathSegClosePathImpl *temp = new SVGPathSegClosePathImpl();
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temp->ref();
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return temp;
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}
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SVGPathSegMovetoAbsImpl *SVGPathElementImpl::createSVGPathSegMovetoAbs(double x, double y)
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{
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SVGPathSegMovetoAbsImpl *temp = new SVGPathSegMovetoAbsImpl();
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temp->ref();
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temp->setX(x);
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temp->setY(y);
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return temp;
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}
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SVGPathSegMovetoRelImpl *SVGPathElementImpl::createSVGPathSegMovetoRel(double x, double y)
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{
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SVGPathSegMovetoRelImpl *temp = new SVGPathSegMovetoRelImpl();
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temp->ref();
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temp->setX(x);
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temp->setY(y);
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return temp;
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}
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SVGPathSegLinetoAbsImpl *SVGPathElementImpl::createSVGPathSegLinetoAbs(double x, double y)
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{
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SVGPathSegLinetoAbsImpl *temp = new SVGPathSegLinetoAbsImpl();
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temp->ref();
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temp->setX(x);
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temp->setY(y);
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return temp;
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}
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SVGPathSegLinetoRelImpl *SVGPathElementImpl::createSVGPathSegLinetoRel(double x, double y)
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{
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SVGPathSegLinetoRelImpl *temp = new SVGPathSegLinetoRelImpl();
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temp->ref();
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temp->setX(x);
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temp->setY(y);
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return temp;
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}
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SVGPathSegCurvetoCubicAbsImpl *SVGPathElementImpl::createSVGPathSegCurvetoCubicAbs(double x, double y, double x1, double y1, double x2, double y2)
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{
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SVGPathSegCurvetoCubicAbsImpl *temp = new SVGPathSegCurvetoCubicAbsImpl();
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temp->ref();
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temp->setX(x);
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temp->setY(y);
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temp->setX1(x1);
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temp->setY1(y1);
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temp->setX2(x2);
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temp->setY2(y2);
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return temp;
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}
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SVGPathSegCurvetoCubicRelImpl *SVGPathElementImpl::createSVGPathSegCurvetoCubicRel(double x, double y, double x1, double y1, double x2, double y2)
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{
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SVGPathSegCurvetoCubicRelImpl *temp = new SVGPathSegCurvetoCubicRelImpl();
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temp->ref();
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temp->setX(x);
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temp->setY(y);
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temp->setX1(x1);
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temp->setY1(y1);
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temp->setX2(x2);
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temp->setY2(y2);
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return temp;
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}
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SVGPathSegCurvetoQuadraticAbsImpl *SVGPathElementImpl::createSVGPathSegCurvetoQuadraticAbs(double x, double y, double x1, double y1)
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{
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SVGPathSegCurvetoQuadraticAbsImpl *temp = new SVGPathSegCurvetoQuadraticAbsImpl();
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temp->ref();
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temp->setX(x);
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temp->setY(y);
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temp->setX1(x1);
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temp->setY1(y1);
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return temp;
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}
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SVGPathSegCurvetoQuadraticRelImpl *SVGPathElementImpl::createSVGPathSegCurvetoQuadraticRel(double x, double y, double x1, double y1)
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{
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SVGPathSegCurvetoQuadraticRelImpl *temp = new SVGPathSegCurvetoQuadraticRelImpl();
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temp->ref();
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temp->setX(x);
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temp->setY(y);
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temp->setX1(x1);
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temp->setY1(y1);
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return temp;
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}
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SVGPathSegArcAbsImpl *SVGPathElementImpl::createSVGPathSegArcAbs(double x, double y, double r1, double r2, double angle, bool largeArcFlag, bool sweepFlag)
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{
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SVGPathSegArcAbsImpl *temp = new SVGPathSegArcAbsImpl();
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temp->ref();
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temp->setX(x);
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temp->setY(y);
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temp->setR1(r1);
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temp->setR2(r2);
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temp->setAngle(angle);
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temp->setLargeArcFlag(largeArcFlag);
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temp->setSweepFlag(sweepFlag);
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return temp;
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}
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SVGPathSegArcRelImpl *SVGPathElementImpl::createSVGPathSegArcRel(double x, double y, double r1, double r2, double angle, bool largeArcFlag, bool sweepFlag)
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{
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SVGPathSegArcRelImpl *temp = new SVGPathSegArcRelImpl();
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temp->ref();
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temp->setX(x);
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temp->setY(y);
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temp->setR1(r1);
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temp->setR2(r2);
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temp->setAngle(angle);
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temp->setLargeArcFlag(largeArcFlag);
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temp->setSweepFlag(sweepFlag);
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return temp;
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}
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SVGPathSegLinetoHorizontalAbsImpl *SVGPathElementImpl::createSVGPathSegLinetoHorizontalAbs(double x)
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{
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SVGPathSegLinetoHorizontalAbsImpl *temp = new SVGPathSegLinetoHorizontalAbsImpl();
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temp->ref();
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temp->setX(x);
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return temp;
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}
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SVGPathSegLinetoHorizontalRelImpl *SVGPathElementImpl::createSVGPathSegLinetoHorizontalRel(double x)
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{
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SVGPathSegLinetoHorizontalRelImpl *temp = new SVGPathSegLinetoHorizontalRelImpl();
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temp->ref();
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temp->setX(x);
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return temp;
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}
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SVGPathSegLinetoVerticalAbsImpl *SVGPathElementImpl::createSVGPathSegLinetoVerticalAbs(double y)
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{
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SVGPathSegLinetoVerticalAbsImpl *temp = new SVGPathSegLinetoVerticalAbsImpl();
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temp->ref();
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temp->setY(y);
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return temp;
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}
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SVGPathSegLinetoVerticalRelImpl *SVGPathElementImpl::createSVGPathSegLinetoVerticalRel(double y)
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{
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SVGPathSegLinetoVerticalRelImpl *temp = new SVGPathSegLinetoVerticalRelImpl();
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temp->ref();
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temp->setY(y);
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return temp;
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}
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SVGPathSegCurvetoCubicSmoothAbsImpl *SVGPathElementImpl::createSVGPathSegCurvetoCubicSmoothAbs(double x, double y, double x2, double y2)
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{
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SVGPathSegCurvetoCubicSmoothAbsImpl *temp = new SVGPathSegCurvetoCubicSmoothAbsImpl();
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temp->ref();
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temp->setX(x);
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temp->setY(y);
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temp->setX2(x2);
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temp->setY2(y2);
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return temp;
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}
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SVGPathSegCurvetoCubicSmoothRelImpl *SVGPathElementImpl::createSVGPathSegCurvetoCubicSmoothRel(double x, double y, double x2, double y2)
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{
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SVGPathSegCurvetoCubicSmoothRelImpl *temp = new SVGPathSegCurvetoCubicSmoothRelImpl();
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temp->ref();
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temp->setX(x);
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temp->setY(y);
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temp->setX2(x2);
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temp->setY2(y2);
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return temp;
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}
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SVGPathSegCurvetoQuadraticSmoothAbsImpl *SVGPathElementImpl::createSVGPathSegCurvetoQuadraticSmoothAbs(double x, double y)
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{
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SVGPathSegCurvetoQuadraticSmoothAbsImpl *temp = new SVGPathSegCurvetoQuadraticSmoothAbsImpl();
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temp->ref();
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temp->setX(x);
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temp->setY(y);
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return temp;
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}
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SVGPathSegCurvetoQuadraticSmoothRelImpl *SVGPathElementImpl::createSVGPathSegCurvetoQuadraticSmoothRel(double x, double y)
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{
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SVGPathSegCurvetoQuadraticSmoothRelImpl *temp = new SVGPathSegCurvetoQuadraticSmoothRelImpl();
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temp->ref();
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temp->setX(x);
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temp->setY(y);
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return temp;
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}
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void SVGPathElementImpl::svgMoveTo(double x1, double y1, bool, bool abs)
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{
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if(abs)
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pathSegList()->appendItem(createSVGPathSegMovetoAbs(x1, y1));
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else
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pathSegList()->appendItem(createSVGPathSegMovetoRel(x1, y1));
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}
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void SVGPathElementImpl::svgLineTo(double x1, double y1, bool abs)
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{
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if(abs)
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pathSegList()->appendItem(createSVGPathSegLinetoAbs(x1, y1));
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else
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pathSegList()->appendItem(createSVGPathSegLinetoRel(x1, y1));
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}
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void SVGPathElementImpl::svgLineToHorizontal(double x, bool abs)
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{
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if(abs)
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pathSegList()->appendItem(createSVGPathSegLinetoHorizontalAbs(x));
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else
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pathSegList()->appendItem(createSVGPathSegLinetoHorizontalRel(x));
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}
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void SVGPathElementImpl::svgLineToVertical(double y, bool abs)
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{
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if(abs)
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pathSegList()->appendItem(createSVGPathSegLinetoVerticalAbs(y));
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else
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pathSegList()->appendItem(createSVGPathSegLinetoVerticalRel(y));
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}
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void SVGPathElementImpl::svgCurveToCubic(double x1, double y1, double x2, double y2, double x, double y, bool abs)
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{
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if(abs)
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pathSegList()->appendItem(createSVGPathSegCurvetoCubicAbs(x, y, x1, y1, x2, y2));
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else
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pathSegList()->appendItem(createSVGPathSegCurvetoCubicRel(x, y, x1, y1, x2, y2));
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}
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void SVGPathElementImpl::svgCurveToCubicSmooth(double x, double y, double x2, double y2, bool abs)
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{
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if(abs)
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pathSegList()->appendItem(createSVGPathSegCurvetoCubicSmoothAbs(x2, y2, x, y));
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else
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pathSegList()->appendItem(createSVGPathSegCurvetoCubicSmoothRel(x2, y2, x, y));
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}
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void SVGPathElementImpl::svgCurveToQuadratic(double x, double y, double x1, double y1, bool abs)
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{
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if(abs)
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pathSegList()->appendItem(createSVGPathSegCurvetoQuadraticAbs(x1, y1, x, y));
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else
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pathSegList()->appendItem(createSVGPathSegCurvetoQuadraticRel(x1, y1, x, y));
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}
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void SVGPathElementImpl::svgCurveToQuadraticSmooth(double x, double y, bool abs)
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{
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if(abs)
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pathSegList()->appendItem(createSVGPathSegCurvetoQuadraticSmoothAbs(x, y));
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else
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pathSegList()->appendItem(createSVGPathSegCurvetoQuadraticSmoothRel(x, y));
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}
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void SVGPathElementImpl::svgArcTo(double x, double y, double r1, double r2, double angle, bool largeArcFlag, bool sweepFlag, bool abs)
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{
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if(abs)
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pathSegList()->appendItem(createSVGPathSegArcAbs(x, y, r1, r2, angle, largeArcFlag, sweepFlag));
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else
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pathSegList()->appendItem(createSVGPathSegArcRel(x, y, r1, r2, angle, largeArcFlag, sweepFlag));
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}
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void SVGPathElementImpl::svgClosePath()
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{
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pathSegList()->appendItem(createSVGPathSegClosePath());
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}
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// Ecma stuff
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/*
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@namespace KSVG
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@begin SVGPathElementImpl::s_hashTable 3
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d SVGPathElementImpl::D DontDelete|ReadOnly
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pathLength SVGPathElementImpl::PathLength DontDelete|ReadOnly
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@end
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@namespace KSVG
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@begin SVGPathElementImplProto::s_hashTable 23
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getTotalLength SVGPathElementImpl::GetTotalLength DontDelete|Function 0
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getPointAtLength SVGPathElementImpl::GetPointAtLength DontDelete|Function 1
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getPathSegAtLength SVGPathElementImpl::GetPathSegAtLength DontDelete|Function 1
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createSVGPathSegClosePath SVGPathElementImpl::CreateSVGPathSegClosePath DontDelete|Function 0
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createSVGPathSegMovetoAbs SVGPathElementImpl::CreateSVGPathSegMovetoAbs DontDelete|Function 2
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createSVGPathSegMovetoRel SVGPathElementImpl::CreateSVGPathSegMovetoRel DontDelete|Function 2
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createSVGPathSegLinetoAbs SVGPathElementImpl::CreateSVGPathSegLinetoAbs DontDelete|Function 2
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createSVGPathSegLinetoRel SVGPathElementImpl::CreateSVGPathSegLinetoRel DontDelete|Function 2
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createSVGPathSegArcAbs SVGPathElementImpl::CreateSVGPathSegArcAbs DontDelete|Function 7
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createSVGPathSegArcRel SVGPathElementImpl::CreateSVGPathSegArcRel DontDelete|Function 7
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createSVGPathSegCurvetoCubicAbs SVGPathElementImpl::CreateSVGPathSegCurvetoCubicAbs DontDelete|Function 6
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createSVGPathSegCurvetoCubicRel SVGPathElementImpl::CreateSVGPathSegCurvetoCubicRel DontDelete|Function 6
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createSVGPathSegCurvetoQuadraticAbs SVGPathElementImpl::CreateSVGPathSegCurvetoQuadraticAbs DontDelete|Function 4
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createSVGPathSegCurvetoQuadraticRel SVGPathElementImpl::CreateSVGPathSegCurvetoQuadraticRel DontDelete|Function 4
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createSVGPathSegLinetoHorizontalAbs SVGPathElementImpl::CreateSVGPathSegLinetoHorizontalAbs DontDelete|Function 1
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createSVGPathSegLinetoHorizontalRel SVGPathElementImpl::CreateSVGPathSegLinetoHorizontalRel DontDelete|Function 1
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createSVGPathSegLinetoVerticalAbs SVGPathElementImpl::CreateSVGPathSegLinetoVerticalAbs DontDelete|Function 1
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createSVGPathSegLinetoVerticalRel SVGPathElementImpl::CreateSVGPathSegLinetoVerticalRel DontDelete|Function 1
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createSVGPathSegCurvetoCubicAbs SVGPathElementImpl::CreateSVGPathSegCurvetoCubicAbs DontDelete|Function 4
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createSVGPathSegCurvetoCubicRel SVGPathElementImpl::CreateSVGPathSegCurvetoCubicRel DontDelete|Function 4
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createSVGPathSegCurvetoQuadraticAbs SVGPathElementImpl::CreateSVGPathSegCurvetoQuadraticAbs DontDelete|Function 2
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createSVGPathSegCurvetoQuadraticRel SVGPathElementImpl::CreateSVGPathSegCurvetoQuadraticRel DontDelete|Function 2
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@end
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*/
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KSVG_IMPLEMENT_PROTOTYPE("SVGPathElementImpl", SVGPathElementImplProto, SVGPathElementImplProtoFunc)
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Value SVGPathElementImpl::getValueProperty(ExecState *exec, int token) const
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{
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//KSVG_CHECK_ATTRIBUTE
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switch(token)
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{
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case PathLength:
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return m_pathLength->cache(exec);
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case D:
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// if(!attributeMode)
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{
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TQString d;
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unsigned int nrSegs = pathSegList()->numberOfItems();
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SVGPathSegImpl *curseg = 0;
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for(unsigned int i = 0; i < nrSegs; i++)
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{
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curseg = pathSegList()->getItem(i);
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if(curseg)
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d += curseg->toString() + " ";
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}
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return String(d);
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}
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default:
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kdWarning() << "Unhandled token in " << k_funcinfo << " : " << token << endl;
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return Undefined();
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}
|
|
}
|
|
|
|
void SVGPathElementImpl::putValueProperty(ExecState *exec, int token, const Value &value, int attr)
|
|
{
|
|
// This class has just ReadOnly properties, only with the Internal flag set
|
|
// it's allowed to modify those.
|
|
if(!(attr & KJS::Internal))
|
|
return;
|
|
|
|
switch(token)
|
|
{
|
|
case D:
|
|
{
|
|
pathSegList()->clear();
|
|
TQString d = value.toString(exec).qstring();
|
|
parseSVG(d, false);
|
|
if(hasMarkers())
|
|
m_markerData = MarkerData(pathSegList());
|
|
break;
|
|
}
|
|
default:
|
|
kdWarning() << "Unhandled token in " << k_funcinfo << " : " << token << endl;
|
|
}
|
|
}
|
|
|
|
Value SVGPathElementImplProtoFunc::call(ExecState *exec, Object &thisObj, const List &args)
|
|
{
|
|
KSVG_CHECK_THIS(SVGPathElementImpl)
|
|
|
|
switch(id)
|
|
{
|
|
case SVGPathElementImpl::GetTotalLength:
|
|
return Number(obj->getTotalLength());
|
|
case SVGPathElementImpl::GetPointAtLength:
|
|
return obj->getPointAtLength(args[0].toNumber(exec))->cache(exec);
|
|
case SVGPathElementImpl::GetPathSegAtLength:
|
|
return Number(obj->getPathSegAtLength(args[0].toNumber(exec)));
|
|
case SVGPathElementImpl::CreateSVGPathSegClosePath:
|
|
return obj->createSVGPathSegClosePath()->cache(exec);
|
|
case SVGPathElementImpl::CreateSVGPathSegMovetoAbs:
|
|
return obj->createSVGPathSegMovetoAbs(args[0].toNumber(exec), args[1].toNumber(exec))->cache(exec);
|
|
case SVGPathElementImpl::CreateSVGPathSegMovetoRel:
|
|
return obj->createSVGPathSegMovetoRel(args[0].toNumber(exec), args[1].toNumber(exec))->cache(exec);
|
|
case SVGPathElementImpl::CreateSVGPathSegLinetoAbs:
|
|
return obj->createSVGPathSegLinetoAbs(args[0].toNumber(exec), args[1].toNumber(exec))->cache(exec);
|
|
case SVGPathElementImpl::CreateSVGPathSegLinetoRel:
|
|
return obj->createSVGPathSegLinetoRel(args[0].toNumber(exec), args[1].toNumber(exec))->cache(exec);
|
|
case SVGPathElementImpl::CreateSVGPathSegCurvetoCubicAbs:
|
|
return obj->createSVGPathSegCurvetoCubicAbs(args[0].toNumber(exec), args[1].toNumber(exec), args[2].toNumber(exec), args[3].toNumber(exec), args[4].toNumber(exec), args[5].toNumber(exec))->cache(exec);
|
|
case SVGPathElementImpl::CreateSVGPathSegCurvetoCubicRel:
|
|
return obj->createSVGPathSegCurvetoCubicRel(args[0].toNumber(exec), args[1].toNumber(exec), args[2].toNumber(exec), args[3].toNumber(exec), args[4].toNumber(exec), args[5].toNumber(exec))->cache(exec);
|
|
case SVGPathElementImpl::CreateSVGPathSegCurvetoQuadraticAbs:
|
|
return obj->createSVGPathSegCurvetoQuadraticAbs(args[0].toNumber(exec), args[1].toNumber(exec), args[2].toNumber(exec), args[3].toNumber(exec))->cache(exec);
|
|
case SVGPathElementImpl::CreateSVGPathSegCurvetoQuadraticRel:
|
|
return obj->createSVGPathSegCurvetoQuadraticRel(args[0].toNumber(exec), args[1].toNumber(exec), args[2].toNumber(exec), args[3].toNumber(exec))->cache(exec);
|
|
case SVGPathElementImpl::CreateSVGPathSegArcAbs:
|
|
return obj->createSVGPathSegArcAbs(args[0].toNumber(exec), args[1].toNumber(exec), args[2].toNumber(exec), args[3].toNumber(exec), args[4].toNumber(exec), args[5].toBoolean(exec), args[6].toBoolean(exec))->cache(exec);
|
|
case SVGPathElementImpl::CreateSVGPathSegArcRel:
|
|
return obj->createSVGPathSegArcRel(args[0].toNumber(exec), args[1].toNumber(exec), args[2].toNumber(exec), args[3].toNumber(exec), args[4].toNumber(exec), args[5].toBoolean(exec), args[6].toBoolean(exec))->cache(exec);
|
|
case SVGPathElementImpl::CreateSVGPathSegLinetoHorizontalAbs:
|
|
return obj->createSVGPathSegLinetoHorizontalAbs(args[0].toNumber(exec))->cache(exec);
|
|
case SVGPathElementImpl::CreateSVGPathSegLinetoHorizontalRel:
|
|
return obj->createSVGPathSegLinetoHorizontalRel(args[0].toNumber(exec))->cache(exec);
|
|
case SVGPathElementImpl::CreateSVGPathSegLinetoVerticalAbs:
|
|
return obj->createSVGPathSegLinetoVerticalAbs(args[0].toNumber(exec))->cache(exec);
|
|
case SVGPathElementImpl::CreateSVGPathSegLinetoVerticalRel:
|
|
return obj->createSVGPathSegLinetoVerticalRel(args[0].toNumber(exec))->cache(exec);
|
|
case SVGPathElementImpl::CreateSVGPathSegCurvetoCubicSmoothAbs:
|
|
return obj->createSVGPathSegCurvetoCubicSmoothAbs(args[0].toNumber(exec), args[1].toNumber(exec), args[2].toNumber(exec), args[3].toNumber(exec))->cache(exec);
|
|
case SVGPathElementImpl::CreateSVGPathSegCurvetoCubicSmoothRel:
|
|
return obj->createSVGPathSegCurvetoCubicSmoothRel(args[0].toNumber(exec), args[1].toNumber(exec), args[2].toNumber(exec), args[3].toNumber(exec))->cache(exec);
|
|
case SVGPathElementImpl::CreateSVGPathSegCurvetoQuadraticSmoothAbs:
|
|
return obj->createSVGPathSegCurvetoQuadraticSmoothAbs(args[0].toNumber(exec), args[1].toNumber(exec))->cache(exec);
|
|
case SVGPathElementImpl::CreateSVGPathSegCurvetoQuadraticSmoothRel:
|
|
return obj->createSVGPathSegCurvetoQuadraticSmoothRel(args[0].toNumber(exec), args[1].toNumber(exec))->cache(exec);
|
|
default:
|
|
kdWarning() << "Unhandled function id in " << k_funcinfo << " : " << id << endl;
|
|
break;
|
|
}
|
|
|
|
return Undefined();
|
|
}
|
|
|
|
SVGRectImpl *SVGPathElementImpl::getBBox()
|
|
{
|
|
SVGRectImpl *ret = SVGSVGElementImpl::createSVGRect();
|
|
|
|
if(m_item)
|
|
{
|
|
T2P::BezierPath *path = ownerDoc()->canvas()->toBezierPath(m_item);
|
|
if(path)
|
|
{
|
|
T2P::Point topLeft;
|
|
T2P::Point bottomRight;
|
|
|
|
path->boundingBox(&topLeft, &bottomRight);
|
|
|
|
ret->setX(topLeft.x());
|
|
ret->setY(topLeft.y());
|
|
ret->setWidth(bottomRight.x() - topLeft.x());
|
|
ret->setHeight(bottomRight.y() - topLeft.y());
|
|
}
|
|
}
|
|
return ret;
|
|
}
|
|
|
|
void SVGPathElementImpl::createItem(KSVGCanvas *c)
|
|
{
|
|
if(!c)
|
|
c = ownerDoc()->canvas();
|
|
|
|
if(!m_item)
|
|
{
|
|
// TODO : this is a quick fix for this problem:
|
|
// d attribute encountered before marker attributes.
|
|
// Try to process the attributes in the right order, ie.
|
|
// d attr processing should be last.
|
|
if(hasMarkers() && m_markerData.numMarkers() == 0)
|
|
m_markerData = MarkerData(pathSegList());
|
|
m_item = c->createPath(this);
|
|
c->insert(m_item);
|
|
}
|
|
}
|
|
|
|
SVGPathElementImpl::MarkerData::MarkerData(SVGPathSegListImpl *path)
|
|
{
|
|
unsigned int numSegments = path->numberOfItems();
|
|
double curx = 0;
|
|
double cury = 0;
|
|
int currentSubpathStartIndex = -1;
|
|
double previousQuadraticX1 = 0;
|
|
double previousQuadraticY1 = 0;
|
|
double previousCubicX2 = 0;
|
|
double previousCubicY2 = 0;
|
|
|
|
TQValueVector<SegmentData> pathSegmentData(numSegments);
|
|
|
|
for(unsigned int i = 0; i < numSegments; i++)
|
|
{
|
|
SVGPathSegImpl *segment = path->getItem(i);
|
|
struct SegmentData data;
|
|
|
|
data.type = segment->pathSegType();
|
|
|
|
if(segment->pathSegType() == PATHSEG_MOVETO_ABS || segment->pathSegType() == PATHSEG_MOVETO_REL)
|
|
{
|
|
if(currentSubpathStartIndex >= 0)
|
|
{
|
|
// Finish the previous subpath.
|
|
for(unsigned int j = currentSubpathStartIndex; j < i; j++)
|
|
{
|
|
pathSegmentData[j].subpathStartIndex = currentSubpathStartIndex;
|
|
pathSegmentData[j].subpathEndIndex = i - 1;
|
|
pathSegmentData[j].subpathIsClosed = false;
|
|
}
|
|
}
|
|
|
|
currentSubpathStartIndex = i;
|
|
}
|
|
else if(segment->pathSegType() == PATHSEG_CLOSEPATH)
|
|
{
|
|
if(currentSubpathStartIndex >= 0)
|
|
{
|
|
SVGPathSegClosePathImpl *s = static_cast<SVGPathSegClosePathImpl *>(segment);
|
|
|
|
s->setX(pathSegmentData[currentSubpathStartIndex].startx + pathSegmentData[currentSubpathStartIndex].dx);
|
|
s->setY(pathSegmentData[currentSubpathStartIndex].starty + pathSegmentData[currentSubpathStartIndex].dy);
|
|
|
|
for(unsigned int j = currentSubpathStartIndex; j < i; j++)
|
|
{
|
|
pathSegmentData[j].subpathStartIndex = currentSubpathStartIndex;
|
|
pathSegmentData[j].subpathEndIndex = i;
|
|
pathSegmentData[j].subpathIsClosed = true;
|
|
}
|
|
|
|
data.subpathStartIndex = currentSubpathStartIndex;
|
|
data.subpathEndIndex = i;
|
|
data.subpathIsClosed = true;
|
|
}
|
|
|
|
currentSubpathStartIndex = i + 1;
|
|
}
|
|
|
|
switch(segment->pathSegType())
|
|
{
|
|
case PATHSEG_CURVETO_CUBIC_ABS:
|
|
{
|
|
SVGPathSegCurvetoCubicAbsImpl *s = static_cast<SVGPathSegCurvetoCubicAbsImpl *>(segment);
|
|
previousCubicX2 = s->x2();
|
|
previousCubicY2 = s->y2();
|
|
break;
|
|
}
|
|
case PATHSEG_CURVETO_CUBIC_REL:
|
|
{
|
|
SVGPathSegCurvetoCubicRelImpl *s = static_cast<SVGPathSegCurvetoCubicRelImpl *>(segment);
|
|
previousCubicX2 = curx + s->x2();
|
|
previousCubicY2 = cury + s->y2();
|
|
break;
|
|
}
|
|
case PATHSEG_CURVETO_CUBIC_SMOOTH_ABS:
|
|
{
|
|
SVGPathSegCurvetoCubicSmoothAbsImpl *s = static_cast<SVGPathSegCurvetoCubicSmoothAbsImpl *>(segment);
|
|
s->setPreviousX2(previousCubicX2);
|
|
s->setPreviousY2(previousCubicY2);
|
|
previousCubicX2 = s->x2();
|
|
previousCubicY2 = s->y2();
|
|
break;
|
|
}
|
|
case PATHSEG_CURVETO_CUBIC_SMOOTH_REL:
|
|
{
|
|
SVGPathSegCurvetoCubicSmoothRelImpl *s = static_cast<SVGPathSegCurvetoCubicSmoothRelImpl *>(segment);
|
|
s->setPreviousAbsX2(previousCubicX2);
|
|
s->setPreviousAbsY2(previousCubicY2);
|
|
previousCubicX2 = curx + s->x2();
|
|
previousCubicY2 = cury + s->y2();
|
|
break;
|
|
}
|
|
case PATHSEG_CURVETO_QUADRATIC_ABS:
|
|
{
|
|
SVGPathSegCurvetoQuadraticAbsImpl *s = static_cast<SVGPathSegCurvetoQuadraticAbsImpl *>(segment);
|
|
previousQuadraticX1 = s->x1();
|
|
previousQuadraticY1 = s->y1();
|
|
break;
|
|
}
|
|
case PATHSEG_CURVETO_QUADRATIC_REL:
|
|
{
|
|
SVGPathSegCurvetoQuadraticRelImpl *s = static_cast<SVGPathSegCurvetoQuadraticRelImpl *>(segment);
|
|
previousQuadraticX1 = curx + s->x1();
|
|
previousQuadraticY1 = cury + s->y1();
|
|
break;
|
|
}
|
|
case PATHSEG_CURVETO_QUADRATIC_SMOOTH_ABS:
|
|
{
|
|
SVGPathSegCurvetoQuadraticSmoothAbsImpl *s = static_cast<SVGPathSegCurvetoQuadraticSmoothAbsImpl *>(segment);
|
|
s->setPreviousX1(previousQuadraticX1);
|
|
s->setPreviousY1(previousQuadraticY1);
|
|
previousQuadraticX1 = s->x1(curx);
|
|
previousQuadraticY1 = s->y1(cury);
|
|
break;
|
|
}
|
|
case PATHSEG_CURVETO_QUADRATIC_SMOOTH_REL:
|
|
{
|
|
SVGPathSegCurvetoQuadraticSmoothRelImpl *s = static_cast<SVGPathSegCurvetoQuadraticSmoothRelImpl *>(segment);
|
|
s->setPreviousAbsX1(previousQuadraticX1);
|
|
s->setPreviousAbsY1(previousQuadraticY1);
|
|
previousQuadraticX1 = s->absX1(curx);
|
|
previousQuadraticY1 = s->absY1(cury);
|
|
break;
|
|
}
|
|
default:
|
|
previousCubicX2 = curx;
|
|
previousCubicY2 = cury;
|
|
previousQuadraticX1 = curx;
|
|
previousQuadraticY1 = cury;
|
|
break;
|
|
}
|
|
|
|
data.startx = curx;
|
|
data.starty = cury;
|
|
|
|
segment->getDeltasAndSlopes(curx, cury, &data.dx, &data.dy, &data.startSlope, &data.endSlope);
|
|
|
|
pathSegmentData[i] = data;
|
|
|
|
curx += data.dx;
|
|
cury += data.dy;
|
|
}
|
|
|
|
if(currentSubpathStartIndex >= 0)
|
|
{
|
|
// Finish the previous subpath.
|
|
for(unsigned int j = currentSubpathStartIndex; j < numSegments; j++)
|
|
{
|
|
pathSegmentData[j].subpathStartIndex = currentSubpathStartIndex;
|
|
pathSegmentData[j].subpathEndIndex = numSegments - 1;
|
|
pathSegmentData[j].subpathIsClosed = false;
|
|
}
|
|
}
|
|
|
|
m_markers.resize(numSegments);
|
|
|
|
for(unsigned int i = 0; i < numSegments; i++)
|
|
{
|
|
struct Marker marker;
|
|
|
|
marker.x = pathSegmentData[i].startx + pathSegmentData[i].dx;
|
|
marker.y = pathSegmentData[i].starty + pathSegmentData[i].dy;
|
|
|
|
double inSlope;
|
|
double outSlope;
|
|
bool haveInSlope = false;
|
|
bool haveOutSlope = false;
|
|
|
|
if(pathSegmentData[i].subpathStartIndex == i && pathSegmentData[i].subpathIsClosed)
|
|
{
|
|
// Spec: For closed subpaths, the marker for the initial vertex uses the end direction
|
|
// of the corresponding closepath for its incoming slope and the first segment's
|
|
// start slope for its outgoing slope.
|
|
haveInSlope = getEndSlope(pathSegmentData, pathSegmentData[i].subpathEndIndex, &inSlope);
|
|
haveOutSlope = getStartSlope(pathSegmentData, i + 1, &outSlope);
|
|
}
|
|
else if(pathSegmentData[i].type == PATHSEG_CLOSEPATH)
|
|
{
|
|
haveInSlope = getEndSlope(pathSegmentData, i, &inSlope);
|
|
|
|
// Spec: If the segment following a closepath is other than a moveto, the marker
|
|
// for the closepath uses the following segment's start direction as its
|
|
// outgoing direction.
|
|
if(i + 1 < numSegments && (pathSegmentData[i + 1].type != PATHSEG_MOVETO_ABS && pathSegmentData[i + 1].type != PATHSEG_MOVETO_REL))
|
|
haveOutSlope = getStartSlope(pathSegmentData, i + 1, &outSlope);
|
|
else
|
|
haveOutSlope = getStartSlope(pathSegmentData, pathSegmentData[i].subpathStartIndex, &outSlope);
|
|
}
|
|
else
|
|
{
|
|
haveOutSlope = getStartSlope(pathSegmentData, i + 1, &outSlope);
|
|
haveInSlope = getEndSlope(pathSegmentData, i, &inSlope);
|
|
}
|
|
|
|
if(!haveInSlope && !haveOutSlope)
|
|
{
|
|
outSlope = 0;
|
|
inSlope = 0;
|
|
}
|
|
else if(haveInSlope && !haveOutSlope)
|
|
outSlope = inSlope;
|
|
else if(!haveInSlope && haveOutSlope)
|
|
inSlope = outSlope;
|
|
|
|
double bisector = SVGAngleImpl::shortestArcBisector(inSlope, outSlope);
|
|
marker.angle = bisector;
|
|
|
|
m_markers[i] = marker;
|
|
}
|
|
}
|
|
|
|
bool SVGPathElementImpl::MarkerData::getStartSlope(TQValueVector<SegmentData> segments, unsigned int i, double *pStartSlope)
|
|
{
|
|
if(i > segments.count() - 1 || segments[i].type == PATHSEG_MOVETO_ABS || segments[i].type == PATHSEG_MOVETO_REL)
|
|
return false;
|
|
else
|
|
{
|
|
const double epsilon = DBL_EPSILON;
|
|
|
|
if(fabs(segments[i].dx) > epsilon || fabs(segments[i].dy) > epsilon)
|
|
{
|
|
*pStartSlope = segments[i].startSlope;
|
|
return true;
|
|
}
|
|
else
|
|
{
|
|
int subpathStartIndex = segments[i].subpathStartIndex;
|
|
|
|
for(int j = i - 1; j >= subpathStartIndex; j--)
|
|
{
|
|
if(segments[j].type == PATHSEG_MOVETO_ABS || segments[j].type == PATHSEG_MOVETO_REL)
|
|
return false;
|
|
|
|
if(fabs(segments[j].dx) > epsilon || fabs(segments[j].dy) > epsilon)
|
|
{
|
|
*pStartSlope = segments[j].endSlope;
|
|
return true;
|
|
}
|
|
}
|
|
|
|
return false;
|
|
}
|
|
}
|
|
}
|
|
|
|
bool SVGPathElementImpl::MarkerData::getEndSlope(TQValueVector<SegmentData> segments, unsigned int i, double *pEndSlope)
|
|
{
|
|
if(i > segments.count() - 1 || segments[i].type == PATHSEG_MOVETO_ABS || segments[i].type == PATHSEG_MOVETO_REL)
|
|
return false;
|
|
else
|
|
{
|
|
const double epsilon = DBL_EPSILON;
|
|
|
|
if(fabs(segments[i].dx) > epsilon || fabs(segments[i].dy) > epsilon)
|
|
{
|
|
*pEndSlope = segments[i].endSlope;
|
|
return true;
|
|
}
|
|
else
|
|
{
|
|
int subpathEndIndex = segments[i].subpathEndIndex;
|
|
|
|
for(int j = i + 1; j <= subpathEndIndex; j++)
|
|
{
|
|
if(segments[j].type == PATHSEG_MOVETO_ABS || segments[j].type == PATHSEG_MOVETO_REL)
|
|
return false;
|
|
|
|
if(fabs(segments[j].dx) > epsilon || fabs(segments[j].dy) > epsilon)
|
|
{
|
|
*pEndSlope = segments[j].startSlope;
|
|
return true;
|
|
}
|
|
}
|
|
|
|
return false;
|
|
}
|
|
}
|
|
}
|
|
|
|
// vim:ts=4:noet
|