SVGReactionWriter.hpp

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/* 
 * SVGReactionWriter.hpp 
 *
 * This file is part of the Chemical Data Processing Toolkit
 *
 * Copyright (C) 2003 Thomas Seidel <thomas.seidel@univie.ac.at>
 *
 * This library is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Lesser 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
 * Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public License
 * along with this library; see the file COPYING. If not, write to
 * the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
 * Boston, MA 02111-1307, USA.
 */
 
#ifndef CDPL_VIS_SVGREACTIONWRITER_HPP
#define CDPL_VIS_SVGREACTIONWRITER_HPP
 
#include <iosfwd>
 
#include "CDPL/Vis/APIPrefix.hpp"
#include "CDPL/Vis/ImageWriter.hpp"
#include "CDPL/Base/DataWriter.hpp"
 
 
namespace CDPL
{
 
    namespace Vis
    {
 
        class CDPL_VIS_API SVGReactionWriter : public Base::DataWriter<Chem::Reaction>,
                                               private ImageWriter
        {
 
          public:
            SVGReactionWriter(std::ostream& os);
 
            Base::DataWriter<Chem::Reaction>& write(const Chem::Reaction& rxn);
 
                 operator const void*() const;
            bool operator!() const;
 
          private:
            SVGReactionWriter(const SVGReactionWriter&);
 
            cairo_surface_t* createCairoSurface(double, double) const;
            cairo_surface_t* createCairoSurface() const;
 
            std::ostream& output;
            bool          state;
        };
    } // namespace Vis
} // namespace CDPL
 
#endif // CDPL_VIS_SVGREACTIONWRITER_HPP