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/******************************************************************************
*
*
*
* Copyright (C) 1997-2015 by Dimitri van Heesch.
*
* Permission to use, copy, modify, and distribute this software and its
* documentation under the terms of the GNU General Public License is hereby
* granted. No representations are made about the suitability of this software
* for any purpose. It is provided "as is" without express or implied warranty.
* See the GNU General Public License for more details.
*
* Documents produced by Doxygen are derivative works derived from the
* input used in their production; they are not affected by this license.
*
*/
#ifndef FORMULA_H
#define FORMULA_H
#include <memory>
#include <string>
#include <qcstring.h>
/*! Manager class to handle formulas */
class FormulaManager
{
public:
struct DisplaySize
{
DisplaySize(int w,int h) : width(w), height(h) {}
int width;
int height;
};
enum class Format { Bitmap, Vector };
enum class HighDPI { On, Off };
static FormulaManager &instance();
void readFormulas(const char *dir,bool doCompare=false);
void clear();
int addFormula(const std::string &formulaText);
void generateImages(const char *outputDir,Format format,HighDPI hd = HighDPI::Off) const;
std::string findFormula(int formulaId) const;
bool hasFormulas() const;
DisplaySize displaySize(int formulaId) const;
private:
FormulaManager();
struct Private;
std::unique_ptr<Private> p;
};
#endif
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