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Diffstat (limited to 'Build/source/texk/dvisvgm/dvisvgm-1.8/src/BasicDVIReader.h')
-rw-r--r-- | Build/source/texk/dvisvgm/dvisvgm-1.8/src/BasicDVIReader.h | 105 |
1 files changed, 105 insertions, 0 deletions
diff --git a/Build/source/texk/dvisvgm/dvisvgm-1.8/src/BasicDVIReader.h b/Build/source/texk/dvisvgm/dvisvgm-1.8/src/BasicDVIReader.h new file mode 100644 index 00000000000..0b810f6c1cd --- /dev/null +++ b/Build/source/texk/dvisvgm/dvisvgm-1.8/src/BasicDVIReader.h @@ -0,0 +1,105 @@ +/************************************************************************* +** BasicDVIReader.h ** +** ** +** This file is part of dvisvgm -- the DVI to SVG converter ** +** Copyright (C) 2005-2014 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 DVISVGM_BASICDVIREADER_H +#define DVISVGM_BASICDVIREADER_H + +#include "MessageException.h" +#include "StreamReader.h" + +struct DVIException : public MessageException +{ + DVIException (const std::string &msg) : MessageException(msg) {} +}; + + +struct InvalidDVIFileException : public DVIException +{ + InvalidDVIFileException(const std::string &msg) : DVIException(msg) {} +}; + +class Matrix; + +class BasicDVIReader : public StreamReader +{ + protected: + typedef void (BasicDVIReader::*CommandHandler)(int); + enum DVIFormat {DVI_NONE=0, DVI_STANDARD=2, DVI_PTEX=3, DVI_XDV=5}; + + public: + BasicDVIReader (std::istream &is); + virtual ~BasicDVIReader () {} + virtual void executeAllPages (); + virtual double getXPos () const {return 0;} + virtual double getYPos () const {return 0;} + virtual void finishLine () {} + virtual void translateToX (double x) {} + virtual void translateToY (double y) {} + virtual int getStackDepth () const {return 0;} + virtual void getPageTransformation (Matrix &matrix) const {} + virtual unsigned getCurrentPageNumber () const {return 0;} + + protected: + void setDVIFormat (DVIFormat format); + DVIFormat getDVIFormat () const {return _dviFormat;} + virtual int evalCommand (CommandHandler &handler, int ¶m); + virtual int executeCommand (); + void executePostPost (); + + // the following methods represent the DVI commands + // they are called by executeCommand and should not be used directly + virtual void cmdSetChar0 (int c); + virtual void cmdSetChar (int len); + virtual void cmdPutChar (int len); + virtual void cmdSetRule (int len); + virtual void cmdPutRule (int len); + virtual void cmdNop (int len); + virtual void cmdBop (int len); + virtual void cmdEop (int len); + virtual void cmdPush (int len); + virtual void cmdPop (int len); + virtual void cmdDir (int len); + virtual void cmdRight (int len); + virtual void cmdDown (int len); + virtual void cmdX0 (int len); + virtual void cmdY0 (int len); + virtual void cmdW0 (int len); + virtual void cmdZ0 (int len); + virtual void cmdX (int len); + virtual void cmdY (int len); + virtual void cmdW (int len); + virtual void cmdZ (int len); + virtual void cmdFontDef (int len); + virtual void cmdFontNum0 (int n); + virtual void cmdFontNum (int len); + virtual void cmdXXX (int len); + virtual void cmdPre (int len); + virtual void cmdPost (int len); + virtual void cmdPostPost (int len); + virtual void cmdXPic (int len); + virtual void cmdXFontDef (int len); + virtual void cmdXGlyphA (int len); + virtual void cmdXGlyphS (int len); + + private: + DVIFormat _dviFormat; ///< format of DVI file being processed +}; + +#endif |