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

1 files changed, 63 insertions, 0 deletions

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