klfbackend.h

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00001 /***************************************************************************
00002  *   file klfbackend.h
00003  *   This file is part of the KLatexFormula Project.
00004  *   Copyright (C) 2007 by Philippe Faist
00005  *   philippe.faist@bluewin.ch
00006  *                                                                         *
00007  *   This program is free software; you can redistribute it and/or modify  *
00008  *   it under the terms of the GNU General Public License as published by  *
00009  *   the Free Software Foundation; either version 2 of the License, or     *
00010  *   (at your option) any later version.                                   *
00011  *                                                                         *
00012  *   This program is distributed in the hope that it will be useful,       *
00013  *   but WITHOUT ANY WARRANTY; without even the implied warranty of        *
00014  *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the         *
00015  *   GNU General Public License for more details.                          *
00016  *                                                                         *
00017  *   You should have received a copy of the GNU General Public License     *
00018  *   along with this program; if not, write to the                         *
00019  *   Free Software Foundation, Inc.,                                       *
00020  *   59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.             *
00021  ***************************************************************************/
00022 
00023 #ifndef KLFBACKEND_H
00024 #define KLFBACKEND_H
00025 
00026 #include <qstring.h>
00027 #ifdef KLFBACKEND_QT4
00028 #include <QByteArray>
00029 #else
00030 #include <qmemarray.h>
00031 #endif
00032 #include <qimage.h>
00033 
00034 
00036 
00057 
00058 
00066 class KLFBackend
00067 {
00068 public:
00069 
00071 
00073   struct klfSettings {
00074     QString tempdir; 
00075     QString klfclspath; 
00076     QString latexexec; 
00077     QString dvipsexec; 
00078     QString gsexec; 
00079     QString epstopdfexec; 
00081     int tborderoffset; 
00082     int rborderoffset; 
00083     int bborderoffset; 
00084     int lborderoffset; 
00085   };
00086 
00088 
00090   struct klfInput {
00091     QString latex; 
00092     QString mathmode; 
00097     QString preamble; 
00099     unsigned long fg_color; 
00101     unsigned long bg_color; 
00105     int dpi; 
00107   };
00108 
00110 
00112   struct klfOutput {
00113     int status; 
00117     QString errorstr; 
00120     QImage result; 
00121     QByteArray pngdata; 
00122     QByteArray epsdata; 
00123     QByteArray pdfdata; 
00124   };
00125 
00171   static klfOutput getLatexFormula(const klfInput& in, const klfSettings& settings);
00172 
00173 
00174 
00175 private:
00176   KLFBackend();
00177 
00178   static void cleanup(QString tempfname);
00179 
00180 };
00181 
00182 #endif

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