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/*************************************************************************
** PapersizeSpecialHandler.hpp **
** **
** This file is part of dvisvgm -- a fast DVI to SVG converter **
** Copyright (C) 2005-2019 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 PAPERSIZESPECIALHANDLER_HPP
#define PAPERSIZESPECIALHANDLER_HPP
#include <utility>
#include <vector>
#include "Length.hpp"
#include "SpecialHandler.hpp"
class PapersizeSpecialHandler : public SpecialHandler {
using DoublePair = std::pair<double,double>; // (width, height)
using PageSize = std::pair<unsigned,DoublePair>; // page number -> (width, height)
public:
void preprocess (const std::string &prefix, std::istream &is, SpecialActions &actions) override;
bool process (const std::string &prefix, std::istream &is, SpecialActions &actions) override;
const char* info () const override {return "special to set the page size";}
const char* name () const override {return "papersize";}
std::vector<const char*> prefixes() const override;
void storePaperSize (unsigned pageno, Length width, Length height);
void reset () {_pageSizes.clear();}
protected:
void dviEndPage (unsigned pageno, SpecialActions &actions) override;
void applyPaperSize (unsigned pageno, SpecialActions &actions);
private:
std::vector<PageSize> _pageSizes;
};
#endif
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