From 47d455dd55be855e4cc691c32f687f723d9247ee Mon Sep 17 00:00:00 2001 From: toma Date: Wed, 25 Nov 2009 17:56:58 +0000 Subject: Copy the KDE 3.5 branch to branches/trinity for new KDE 3.5 features. BUG:215923 git-svn-id: svn://anonsvn.kde.org/home/kde/branches/trinity/kdegraphics@1054174 283d02a7-25f6-0310-bc7c-ecb5cbfe19da --- ksvg/impl/svgpathparser.h | 63 +++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 63 insertions(+) create mode 100644 ksvg/impl/svgpathparser.h (limited to 'ksvg/impl/svgpathparser.h') diff --git a/ksvg/impl/svgpathparser.h b/ksvg/impl/svgpathparser.h new file mode 100644 index 00000000..3a9495d0 --- /dev/null +++ b/ksvg/impl/svgpathparser.h @@ -0,0 +1,63 @@ +/* This file is part of the KDE project + Copyright (C) 2002, 2003 The Karbon Developers + + 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. +*/ + +#ifndef __SVGPATHPARSER_H__ +#define __SVGPATHPARSER_H__ + +class QString; + +namespace KSVG +{ + const char *getNumber( const char *, double & ); +} + +/** + * Parser for svg path data, contained in the d attribute. + * + * The parser delivers encountered commands and parameters by calling + * methods that correspond to those commands. Clients have to derive + * from this class and implement the abstract command methods. + * + * There are two operating modes. By default the parser just delivers unaltered + * svg path data commands and parameters. In the second mode, it will convert all + * relative coordinates to absolute ones, and convert all curves to cubic beziers. + */ +class SVGPathParser +{ +public: + void parseSVG( const QString &d, bool process = false ); + + static const char *getCoord( const char *, double & ); + +protected: + virtual void svgMoveTo( double x1, double y1, bool closed, bool abs = true ) = 0; + virtual void svgLineTo( double x1, double y1, bool abs = true ) = 0; + virtual void svgLineToHorizontal( double x, bool abs = true ); + virtual void svgLineToVertical( double y, bool abs = true ); + virtual void svgCurveToCubic( double x1, double y1, double x2, double y2, double x, double y, bool abs = true ) = 0; + virtual void svgCurveToCubicSmooth( double x, double y, double x2, double y2, bool abs = true ); + virtual void svgCurveToQuadratic( double x, double y, double x1, double y1, bool abs = true ); + virtual void svgCurveToQuadraticSmooth( double x, double y, bool abs = true ); + virtual void svgArcTo( double x, double y, double r1, double r2, double angle, bool largeArcFlag, bool sweepFlag, bool abs = true ); + virtual void svgClosePath() = 0; +private: + void calculateArc( bool relative, double &curx, double &cury, double angle, double x, double y, double r1, double r2, bool largeArcFlag, bool sweepFlag ); +}; + +#endif -- cgit v1.2.3