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/*************************************************************************
** PSFilter.hpp **
** **
** This file is part of dvisvgm -- a fast DVI to SVG converter **
** Copyright (C) 2005-2023 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 PSFILTER_HPP
#define PSFILTER_HPP
class PSInterpreter;
class PSFilter
{
public:
explicit PSFilter (PSInterpreter &psi) : _psi(psi) {}
virtual ~PSFilter () =default;
virtual void execute (const char *code, size_t len) =0;
virtual bool active () const =0;
protected:
PSInterpreter& psInterpreter () {return _psi;}
private:
PSInterpreter &_psi;
};
#endif
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