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Diffstat (limited to 'kpresenter/KPrSVGPathParser.cpp')
| -rw-r--r-- | kpresenter/KPrSVGPathParser.cpp | 179 |
1 files changed, 179 insertions, 0 deletions
diff --git a/kpresenter/KPrSVGPathParser.cpp b/kpresenter/KPrSVGPathParser.cpp new file mode 100644 index 000000000..b2fd853fa --- /dev/null +++ b/kpresenter/KPrSVGPathParser.cpp @@ -0,0 +1,179 @@ +/* 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( QString &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( QString &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 + { + } +} + + |