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/*************************************************************************
** SVGCharPathHandler.hpp                                               **
**                                                                      **
** This file is part of dvisvgm -- a fast DVI to SVG converter          **
** Copyright (C) 2005-2021 Martin Gieseking <martin.gieseking@uos.de>   **
**                                                                      **
** This program is free software; you can redistribute it and/or        **
** modify it under the terms of the GNU General Public License as       **
** published by the Free Software Foundation; either version 3 of       **
** the License, or (at your option) any later version.                  **
**                                                                      **
** This program 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 General Public License for more details.                         **
**                                                                      **
** You should have received a copy of the GNU General Public License    **
** along with this program; if not, see <http://www.gnu.org/licenses/>. **
*************************************************************************/

#ifndef SVGCHARPATHHANDLER_HPP
#define SVGCHARPATHHANDLER_HPP

#include "SVGCharHandler.hpp"

/** Creates SVG path elements for all characters. */
class SVGCharPathHandler : public SVGCharHandler {
	using AppendMethod = void (SVGCharPathHandler::*)(uint32_t c, double x, double y, const Matrix &matrix);

	public:
		SVGCharPathHandler (bool createUseElements, bool relativePathsCommands);
		void appendChar (uint32_t c, double x, double y) override;

	protected:
		void appendUseElement (uint32_t c, double x, double y, const Matrix &matrix);
		void appendPathElement (uint32_t c, double x, double y, const Matrix &matrix);
		void resetContextNode () override;

	private:
		AppendMethod _appendChar;        ///< method called to append a single character
		bool _relativePathCommands;      ///< if true, create relative rather than absolute SVG path commands
		SVGElement *_groupNode=nullptr;  ///< current group node taking the path elements
		CharProperty<Color> _fontColor=Color::BLACK;  ///< color of current font
};

#endif