1 files changed, 79 insertions, 0 deletions
diff --git a/Build/source/texk/dvisvgm/dvisvgm-src/src/GlyphTracerMessages.hpp b/Build/source/texk/dvisvgm/dvisvgm-src/src/GlyphTracerMessages.hpp
new file mode 100644
index 00000000000..b77a582796b
--- /dev/null
+++ b/Build/source/texk/dvisvgm/dvisvgm-src/src/GlyphTracerMessages.hpp
@@ -0,0 +1,79 @@
+/*************************************************************************
+** GlyphTracerMessages.hpp                                              **
+**                                                                      **
+** This file is part of dvisvgm -- a fast DVI to SVG converter          **
+** Copyright (C) 2005-2017 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 GLYPHTRACERMESSAGES_HPP
+#define GLYPHTRACERMESSAGES_HPP
+
+#include <sstream>
+#include "GFGlyphTracer.hpp"
+#include "Message.hpp"
+
+class GlyphTracerMessages : public GFGlyphTracer::Callback
+{
+	public:
+		GlyphTracerMessages (bool sfmsg=true, bool autonl=true) : _sfmsg(sfmsg), _autonl(autonl), _traced(false) {}
+
+		~GlyphTracerMessages () {
+			if (_autonl)
+				Message::mstream() << '\n';
+		}
+
+		void beginChar (uint8_t c) override {
+			if (!_traced) {
+				if (!_fname.empty())
+					Message::mstream() << '\n';
+				// extract font name from file path
+				std::string fontname = _fname;
+				size_t pos;
+				if ((pos = fontname.rfind('/')) != std::string::npos)
+					fontname = fontname.substr(pos+1);
+				if ((pos = fontname.rfind('.')) != std::string::npos)
+					fontname = fontname.substr(0, pos);
+				Message::mstream(false, Message::MC_STATE)
+					<< "tracing glyphs of " << fontname << '\n';
+				_traced = true;
+			}
+		}
+
+		void endChar (uint8_t c) override {
+			std::ostringstream oss;
+			oss << '[';
+			if (isprint(c))
+				oss << c;
+			else
+				oss << '#' << unsigned(c);
+			oss << ']';
+			Message::mstream(false, Message::MC_TRACING) << oss.str();
+		}
+
+		void setFont (const std::string &fname) override {
+			if (_sfmsg && fname != _fname) {
+				_fname = fname;
+				_traced = false;
+			}
+		}
+
+	private:
+		std::string _fname;
+		bool _sfmsg, _autonl;
+		bool _traced;  ///< true if a glyph of the current font has already been traced?
+};
+
+#endif