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-rw-r--r--ksvg/impl/SVGPolylineElementImpl.cc100
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diff --git a/ksvg/impl/SVGPolylineElementImpl.cc b/ksvg/impl/SVGPolylineElementImpl.cc
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+++ b/ksvg/impl/SVGPolylineElementImpl.cc
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+/*
+ Copyright (C) 2001-2003 KSVG Team
+ 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., 51 Franklin Street, Fifth Floor,
+ Boston, MA 02110-1301, USA.
+*/
+
+#include "SVGPointListImpl.h"
+#include "SVGPolylineElementImpl.h"
+#include "SVGDocumentImpl.h"
+#include "KSVGCanvas.h"
+#include "SVGAngleImpl.h"
+
+using namespace KSVG;
+
+SVGPolylineElementImpl::SVGPolylineElementImpl(DOM::ElementImpl *impl) : SVGPolyElementImpl(impl)
+{
+ m_isOpenPath = true;
+}
+
+void SVGPolylineElementImpl::createItem(KSVGCanvas *c)
+{
+ if(!c)
+ c = ownerDoc()->canvas();
+
+ if(!m_item)
+ {
+ m_item = c->createPolyline(this);
+ c->insert(m_item);
+ }
+}
+
+void SVGPolylineElementImpl::drawMarkers()
+{
+ SVGPointListImpl *pts = points();
+ unsigned int nrPoints = pts->numberOfItems();
+
+ if(nrPoints > 0 && hasMarkers())
+ {
+ if(hasStartMarker())
+ {
+ double outSlope;
+
+ if(!findOutSlope(0, &outSlope))
+ outSlope = 0;
+
+ doStartMarker(this, this, pts->getItem(0)->x(), pts->getItem(0)->y(), outSlope);
+ }
+
+ if(hasMidMarker())
+ {
+ for(unsigned int i = 1; i < nrPoints - 1; ++i)
+ {
+ double inSlope;
+ double outSlope;
+ bool haveInSlope = findInSlope(i, &inSlope);
+ bool haveOutSlope = findOutSlope(i, &outSlope);
+
+ if(!haveInSlope && haveOutSlope)
+ inSlope = outSlope;
+ else if(haveInSlope && !haveOutSlope)
+ outSlope = inSlope;
+ else if(!haveInSlope && !haveOutSlope)
+ {
+ inSlope = 0;
+ outSlope = 0;
+ }
+
+ double bisector = SVGAngleImpl::shortestArcBisector(inSlope, outSlope);
+
+ doMidMarker(this, this, pts->getItem(i)->x(), pts->getItem(i)->y(), bisector);
+ }
+ }
+
+ if(hasEndMarker())
+ {
+ double inSlope;
+
+ if(!findInSlope(nrPoints - 1, &inSlope))
+ inSlope = 0;
+
+ doEndMarker(this, this, pts->getItem(nrPoints - 1)->x(), pts->getItem(nrPoints - 1)->y(), inSlope);
+ }
+ }
+}
+
+// vim:ts=4:noet