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diff --git a/Build/source/texk/dvisvgm/dvisvgm-1.8.1/src/DVIReader.h b/Build/source/texk/dvisvgm/dvisvgm-1.8.1/src/DVIReader.h
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+/*************************************************************************
+** DVIReader.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_DVIREADER_H
+#define DVISVGM_DVIREADER_H
+
+#include <limits>
+#include <map>
+#include <stack>
+#include <string>
+#include "BasicDVIReader.h"
+#include "MessageException.h"
+#include "StreamReader.h"
+#include "VFActions.h"
+#include "types.h"
+
+
+struct DVIActions;
+
+class DVIReader : public BasicDVIReader, protected VFActions
+{
+ enum WritingMode {WMODE_LR=0, WMODE_TB=1, WMODE_BT=3};
+
+ struct DVIState
+ {
+ double h, v; ///< horizontal and vertical cursor position
+ double x, w, y, z; ///< additional registers to store horizontal (x, w) and vertical (y, z) positions
+ WritingMode d; ///< direction: 0: horizontal, 1: vertical(top->bottom), 3: vertical (bottom->top)
+ DVIState () {reset();}
+ void reset () {h = v = x = w = y = z = 0.0; d=WMODE_LR;}
+ };
+
+ public:
+ DVIReader (std::istream &is, DVIActions *a=0);
+
+ bool executeDocument ();
+ void executeAll ();
+ void executePreamble ();
+ void executePostamble ();
+ bool executePage (unsigned n);
+ bool inPostamble () const {return _inPostamble;}
+ double getXPos () const;
+ double getYPos () const;
+ void finishLine () {_prevYPos = std::numeric_limits<double>::min();}
+ void translateToX (double x) {_tx = x-_dviState.h-_tx;}
+ void translateToY (double y) {_ty = y-_dviState.v-_ty;}
+ double getPageWidth () const {return _pageWidth;}
+ double getPageHeight () const {return _pageHeight;}
+ int getStackDepth () const {return _stateStack.size();}
+ int getCurrentFontNumber () const {return _currFontNum;}
+ unsigned getCurrentPageNumber () const {return _currPageNum;}
+ unsigned numberOfPages () const {return _bopOffsets.empty() ? 0 : _bopOffsets.size()-1;}
+ DVIActions* getActions () const {return _actions;}
+ DVIActions* replaceActions (DVIActions *a);
+
+ protected:
+ void collectBopOffsets ();
+ size_t numberOfPageBytes (int n) const {return _bopOffsets.size() > 1 ? _bopOffsets[n+1]-_bopOffsets[n] : 0;}
+ int executeCommand ();
+ void moveRight (double dx);
+ void moveDown (double dy);
+ void putChar (UInt32 c, bool moveCursor);
+ void putGlyphArray (bool xonly);
+ void defineFont (UInt32 fontnum, const std::string &name, UInt32 cs, double ds, double ss);
+ virtual void beginPage (unsigned pageno, Int32 *c) {}
+ virtual void endPage (unsigned pageno) {}
+
+ // VFAction methods
+ void defineVFFont (UInt32 fontnum, std::string path, std::string name, UInt32 checksum, double dsize, double ssize);
+ void defineVFChar (UInt32 c, std::vector<UInt8> *dvi);
+
+ // the following methods represent the DVI commands
+ // they are called by executeCommand and should not be used directly
+ void cmdSetChar0 (int c);
+ void cmdSetChar (int len);
+ void cmdPutChar (int len);
+ void cmdSetRule (int len);
+ void cmdPutRule (int len);
+ void cmdNop (int len);
+ void cmdBop (int len);
+ void cmdEop (int len);
+ void cmdPush (int len);
+ void cmdPop (int len);
+ void cmdDir (int len);
+ void cmdRight (int len);
+ void cmdDown (int len);
+ void cmdX0 (int len);
+ void cmdY0 (int len);
+ void cmdW0 (int len);
+ void cmdZ0 (int len);
+ void cmdX (int len);
+ void cmdY (int len);
+ void cmdW (int len);
+ void cmdZ (int len);
+ void cmdFontDef (int len);
+ void cmdFontNum0 (int n);
+ void cmdFontNum (int len);
+ void cmdXXX (int len);
+ void cmdPre (int len);
+ void cmdPost (int len);
+ void cmdPostPost (int len);
+ void cmdXPic (int len);
+ void cmdXFontDef (int len);
+ void cmdXGlyphA (int len);
+ void cmdXGlyphS (int len);
+
+ private:
+ DVIActions *_actions; ///< actions to be performed on various DVI events
+ bool _inPage; ///< true if between bop and eop
+ unsigned _currPageNum; ///< current page number (1 is first page)
+ int _currFontNum; ///< current font number
+ double _dvi2bp; ///< factor to convert dvi units to PS points
+ UInt32 _mag; ///< magnification factor * 1000
+ bool _inPostamble; ///< true if stream pointer is inside the postamble
+ double _pageHeight, _pageWidth; ///< page height and width in PS points
+ DVIState _dviState; ///< current cursor position
+ std::stack<DVIState> _stateStack;
+ std::vector<UInt32> _bopOffsets;
+ double _prevYPos; ///< previous vertical cursor position
+ double _tx, _ty; ///< tranlation of cursor position
+ std::streampos _pagePos; ///< distance of current DVI command from bop (in bytes)
+
+ public:
+ static bool COMPUTE_PROGRESS; ///< if true, an action to handle the progress ratio of a page is triggered
+};
+
+#endif