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Diffstat (limited to 'Build/source/texk/dvisvgm/dvisvgm-src/src/BasicDVIReader.hpp')
-rw-r--r-- | Build/source/texk/dvisvgm/dvisvgm-src/src/BasicDVIReader.hpp | 118 |
1 files changed, 0 insertions, 118 deletions
diff --git a/Build/source/texk/dvisvgm/dvisvgm-src/src/BasicDVIReader.hpp b/Build/source/texk/dvisvgm/dvisvgm-src/src/BasicDVIReader.hpp deleted file mode 100644 index a71c547fa55..00000000000 --- a/Build/source/texk/dvisvgm/dvisvgm-src/src/BasicDVIReader.hpp +++ /dev/null @@ -1,118 +0,0 @@ -/************************************************************************* -** BasicDVIReader.hpp ** -** ** -** This file is part of dvisvgm -- a fast DVI to SVG converter ** -** Copyright (C) 2005-2021 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 BASICDVIREADER_HPP -#define BASICDVIREADER_HPP - -#include "Matrix.hpp" -#include "MessageException.hpp" -#include "StreamReader.hpp" - -struct DVIException : public MessageException { - explicit DVIException (const std::string &msg) : MessageException(msg) {} -}; - - -struct InvalidDVIFileException : public DVIException { - explicit InvalidDVIFileException (const std::string &msg) : DVIException(msg) {} -}; - - -/** This class provides the basic functionality to read a DVI file. - * It just skips all DVI commands and apply any semantic to it. The latter must - * be realized by deriving a separate class that implements the cmdXXX template - * methods. These are low-level functions that represent the DVI commands and - * require to read and evaluate the correct portion of data from the DVI stream. - * Since the DVI commands are almost skipped by advancing the file pointer, - * running through a DVI file is pretty fast. */ -class BasicDVIReader : public StreamReader { - protected: - using CommandHandler = void (BasicDVIReader::*)(int); - enum DVIVersion {DVI_NONE=0, DVI_STANDARD=2, DVI_PTEX=3, DVI_XDV5=5, DVI_XDV6=6, DVI_XDV7=7}; - const uint8_t OP_SETCHAR0=0, OP_SETCHAR127=127, OP_SET1=128, OP_BOP=139, OP_EOP=140, OP_FNTNUM0=171, - OP_FNTNUM63=234, OP_PRE=247, OP_POST=248, OP_POSTPOST=249, OP_DIR=255, DVI_FILL=223; - - public: - explicit BasicDVIReader (std::istream &is); - virtual void executeAllPages (); - virtual void executeFontDefs (); - 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 stackDepth () const {return 0;} - virtual Matrix getPageTransformation () const {return Matrix(1);} - virtual unsigned currentPageNumber () const {return 0;} - - protected: - void setDVIVersion (DVIVersion version); - DVIVersion getDVIVersion () const {return _dviVersion;} - virtual int evalCommand (CommandHandler &handler, int ¶m); - virtual int executeCommand (); - void executePreamble (); - void executePostamble (); - void executePostPost (); - void goToPostamble (); - std::vector<uint32_t> collectBopOffsets (); - bool evalXDVOpcode (int op, CommandHandler &handler) const; - - // The following template methods represent the single DVI commands. They - // must read the correct chunk of data from the input stream in order to - // process the DVI file correctly. - 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 cmdXFontDef (int len); // XDV only - virtual void cmdXGlyphArray (int len); // XDV only - virtual void cmdXGlyphString (int len); // XDV version 5 only - virtual void cmdXPic (int len); // XDV version 5 only - virtual void cmdXTextAndGlyphs (int len); // XDV version 7 only - - private: - DVIVersion _dviVersion; ///< DVI version of file being processed -}; - -#endif |