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koffice/kpresenter/KPrSVGPathParser.cpp

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/* This file is part of the KDE project
Copyright (C) 2005 Thorsten Zachmann <zachmann@kde.org>
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 "KPrSVGPathParser.h"
ObjType KPrSVGPathParser::getType( TQString &d )
{
m_type = true;
m_pathType = 0;
ObjType objType = OT_UNDEFINED;
parseSVG( d, true );
if ( m_pathType & UNSUPPORTED )
{
objType = OT_UNDEFINED;
}
else if ( m_pathType & SEEN_CLOSE )
{
objType = OT_CLOSED_LINE;
}
else if ( m_pathType & NO_BEZIER )
{
objType = OT_FREEHAND;
}
else if ( ( m_pathType & SEEN_QUADRIC ) && ! ( m_pathType & SEEN_CUBIC ) )
{
objType = OT_QUADRICBEZIERCURVE;
}
else if ( m_pathType & SEEN_CUBIC )
{
objType = OT_CUBICBEZIERCURVE;
}
return objType;
}
KoPointArray KPrSVGPathParser::getPoints( TQString &d, bool convert2lines )
{
m_type = false;
m_pointIdx = 0;
m_convert2lines = convert2lines;
parseSVG( d, true );
return m_points;
}
void KPrSVGPathParser::svgMoveTo( double x1, double y1, bool /*abs*/ )
{
if ( m_type )
{
if ( m_pathType != 0 )
{
m_pathType |= UNSUPPORTED;
}
else
{
m_pathType |= SEEN_MOVE;
}
}
else
{
m_curPoint = KoPoint( x1, y1 );
}
}
void KPrSVGPathParser::svgLineTo( double x1, double y1, bool /*abs*/ )
{
if ( m_type )
{
if ( m_pathType & SEEN_MOVE )
{
if ( m_pathType & SEEN_LINE )
{
m_pathType |= NO_BEZIER;
}
m_pathType |= SEEN_LINE;
}
else
{
m_pathType |= UNSUPPORTED;
}
}
else
{
m_points.putPoints( m_pointIdx, 2, m_curPoint.x(), m_curPoint.y(), x1, y1 );
m_curPoint = KoPoint( x1, y1 );
m_pointIdx += 2;
}
}
void KPrSVGPathParser::svgCurveToCubic( double x1, double y1, double x2, double y2, double x, double y, bool /*abs*/ )
{
if ( m_type )
{
if ( m_pathType & SEEN_MOVE )
{
if ( m_pathType & SEEN_LINE )
{
m_pathType |= NO_BEZIER;
}
if ( x1 == x2 && y1 == y2 )
{
m_pathType |= SEEN_QUADRIC;
}
else
{
m_pathType |= SEEN_CUBIC;
}
}
else
{
m_pathType |= UNSUPPORTED;
}
}
else
{
if ( m_convert2lines )
{
KoPointArray bezierPoints;
bezierPoints.putPoints( 0, 4, m_curPoint.x(), m_curPoint.y(), x1, y1, x2, y2, x, y );
bezierPoints = bezierPoints.cubicBezier();
KoPointArray::ConstIterator it;
for ( it = bezierPoints.begin(); it != bezierPoints.end(); ++it )
{
KoPoint point = (*it);
m_points.putPoints( m_pointIdx, 1, point.x(), point.y() );
++m_pointIdx;
}
}
else
{
m_points.putPoints( m_pointIdx, 4, m_curPoint.x(), m_curPoint.y(), x, y, x1, y1, x2, y2 );
m_pointIdx += 4;
}
m_curPoint = KoPoint( x, y );
}
}
// TODO
void KPrSVGPathParser::svgClosePath()
{
if ( m_type )
{
if ( m_pathType & SEEN_CLOSE )
{
m_pathType |= UNSUPPORTED;
}
else
{
m_pathType |= SEEN_CLOSE;
}
}
else
{
}
}