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/*************************************************************************
** DVIToSVGActions.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 DVITOSVGACTIONS_HPP
#define DVITOSVGACTIONS_HPP
#include <unordered_map>
#include <unordered_set>
#include "BoundingBox.hpp"
#include "DVIActions.hpp"
#include "Matrix.hpp"
#include "SpecialActions.hpp"
#include "SpecialManager.hpp"
#include "SVGTree.hpp"
class DVIToSVG;
class FileFinder;
class Font;
class XMLNode;
class DVIToSVGActions : public DVIActions, public SpecialActions {
using CharMap = std::unordered_map<const Font*, std::set<int>>;
using FontSet = std::unordered_set<const Font*>;
using BoxMap = std::unordered_map<std::string,BoundingBox>;
public:
DVIToSVGActions (DVIToSVG &dvisvg, SVGTree &svg) : _svg(svg), _dvireader(&dvisvg) {}
void reset () override;
void setChar (double x, double y, unsigned c, bool vertical, const Font &f) override;
void setRule (double x, double y, double height, double width) override;
void setBgColor (const Color &color) override;
void setColor (const Color &color) override {_svg.setColor(color);}
void setMatrix (const Matrix &m) override {_svg.setMatrix(m);}
const Matrix& getMatrix () const override {return _svg.getMatrix();}
Matrix getPageTransformation () const override {return _dvireader->getPageTransformation();}
Color getColor () const override {return _svg.getColor();}
int getDVIStackDepth () const override {return _dvireader->stackDepth();}
unsigned getCurrentPageNumber () const override {return _dvireader->currentPageNumber();}
void setTextOrientation (bool vertical) override {_svg.setVertical(vertical);}
void moveToX (double x, bool forceSVGMove) override;
void moveToY (double y, bool forceSVGMove) override;
void setFont (int num, const Font &font) override;
void special (const std::string &spc, double dvi2bp, bool preprocessing=false) override;
void beginPage (unsigned pageno, const std::vector<int32_t> &c) override;
void endPage (unsigned pageno) override;
void progress (size_t current, size_t total, const char *id=nullptr) override;
void progress (const char *id) override;
double getX() const override {return _dvireader->getXPos();}
double getY() const override {return _dvireader->getYPos();}
void setX (double x) override {_dvireader->translateToX(x); _svg.setX(x);}
void setY (double y) override {_dvireader->translateToY(y); _svg.setY(y);}
void finishLine () override {_dvireader->finishLine();}
void lockOutput () override {_outputLocked = true;}
void unlockOutput () override {_outputLocked = false;}
bool outputLocked () const override {return _outputLocked;}
const SVGTree& svgTree () const override {return _svg;}
BoundingBox& bbox () override {return _bbox;}
BoundingBox& bbox (const std::string &name, bool reset=false) override;
void embed (const BoundingBox &bbox) override;
void embed (const DPair &p, double r=0) override;
FilePath getSVGFilePath (unsigned pageno) const override;
std::string getBBoxFormatString () const override;
CharMap& getUsedChars () const {return _usedChars;}
const FontSet& getUsedFonts () const {return _usedFonts;}
void setDVIReader (BasicDVIReader &r) {_dvireader = &r;}
private:
SVGTree &_svg;
BasicDVIReader *_dvireader;
BoundingBox _bbox;
int _pageCount=0;
int _currentFontNum=-1;
mutable CharMap _usedChars;
FontSet _usedFonts;
Color _bgcolor=Color::TRANSPARENT;
BoxMap _boxes;
bool _outputLocked=false;
};
#endif
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