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diff --git a/Build/source/texk/dvisvgm/dvisvgm-1.9.2/src/MetafontWrapper.cpp b/Build/source/texk/dvisvgm/dvisvgm-1.9.2/src/MetafontWrapper.cpp
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+/*************************************************************************
+** MetafontWrapper.cpp **
+** **
+** This file is part of dvisvgm -- the DVI to SVG converter **
+** Copyright (C) 2005-2015 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/>. **
+*************************************************************************/
+
+#include <config.h>
+#include <cstdlib>
+#include <cctype>
+#include <fstream>
+#include <sstream>
+#include "FileSystem.h"
+#include "FileFinder.h"
+#include "Message.h"
+#include "MetafontWrapper.h"
+#include "Process.h"
+#include "SignalHandler.h"
+#include "macros.h"
+
+using namespace std;
+
+
+MetafontWrapper::MetafontWrapper (const string &fname) : _fontname(fname)
+{
+}
+
+
+/** Calls Metafont and evaluates the logfile. If a gf file was successfully
+ * generated the dpi value is stripped from the filename
+ * (e.g. cmr10.600gf => cmr10.gf). This makes life easier...
+ * @param[in] mode Metafont mode, e.g. "ljfour"
+ * @param[in] mag magnification factor
+ * @return true on success */
+bool MetafontWrapper::call (const string &mode, double mag) {
+ if (!FileFinder::lookup(_fontname+".mf"))
+ return false; // mf file not available => no need to call the "slow" Metafont
+ FileSystem::remove(_fontname+".gf");
+
+#ifdef __WIN32__
+#ifdef TEXLIVEWIN32
+ const char *mfname = "mf-nowin.exe";
+#else
+ const char *mfname = "mf.exe";
+#endif
+ const char *cmd = FileFinder::lookup(mfname, false);
+ if (!cmd) {
+ Message::estream(true) << "can't run Metafont (" << mfname << " not found)\n";
+ return false;
+ }
+#else
+ const char *cmd = "mf";
+#endif
+ ostringstream oss;
+ oss << "\"\\mode=" << mode << ";"
+ "mag:=" << mag << ";"
+ "batchmode;"
+ "input " << _fontname << "\"";
+ Message::mstream(false, Message::MC_STATE) << "\nrunning Metafont for " << _fontname << '\n';
+ Process mf_process(cmd, oss.str().c_str());
+ mf_process.run();
+
+ // try to read Metafont's logfile and get name of created GF file
+ ifstream ifs((_fontname+".log").c_str());
+ if (ifs) {
+ char buf[128];
+ while (ifs) {
+ ifs.getline(buf, 128);
+ string line = buf;
+ if (line.substr(0, 15) == "! Interruption.")
+ SignalHandler::instance().trigger(true);
+ if (line.substr(0, 17) == "Output written on") {
+ size_t pos = line.find("gf ", 18+_fontname.length());
+ if (pos != string::npos) {
+ string gfname = line.substr(18, pos-16); // GF filename found
+ FileSystem::rename(gfname, _fontname+".gf");
+ }
+ break;
+ }
+ }
+ }
+ ifstream gf((_fontname+".gf").c_str());
+ return (bool)gf;
+}
+
+
+/** Calls Metafont if output files (tfm and gf) don't already exist.
+ * @param[in] mode Metafont mode to be used (e.g. 'ljfour')
+ * @param[in] mag magnification factor
+ * @return true on success */
+bool MetafontWrapper::make (const string &mode, double mag) {
+ ifstream tfm((_fontname+".tfm").c_str());
+ ifstream gf((_fontname+".gf").c_str());
+ if (gf && tfm) // @@ distinguish between gf and tfm
+ return true;
+ return call(mode, mag);
+}
+
+
+bool MetafontWrapper::success () const {
+ ifstream tfm((_fontname+".tfm").c_str());
+ ifstream gf((_fontname+".gf").c_str());
+ return tfm && gf;
+}
+
+
+/** Remove all files created by a Metafont call (tfm, gf, log).
+ * @param[in] keepGF if true, GF files won't be removed */
+void MetafontWrapper::removeOutputFiles (bool keepGF) {
+ removeOutputFiles(_fontname, keepGF);
+}
+
+
+/** Remove all files created by a Metafont call for a given font (tfm, gf, log).
+ * @param[in] fontname name of font whose temporary files should be removed
+ * @param[in] keepGF if true, GF files will be kept */
+void MetafontWrapper::removeOutputFiles (const string &fontname, bool keepGF) {
+ const char *ext[] = {"gf", "tfm", "log", 0};
+ for (const char **p = keepGF ? ext+2 : ext; *p; ++p)
+ FileSystem::remove(fontname + "." + *p);
+}