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Diffstat (limited to 'Build/source/texk/dvisvgm/dvisvgm-src/src/FontMetrics.h')
-rw-r--r-- | Build/source/texk/dvisvgm/dvisvgm-src/src/FontMetrics.h | 64 |
1 files changed, 64 insertions, 0 deletions
diff --git a/Build/source/texk/dvisvgm/dvisvgm-src/src/FontMetrics.h b/Build/source/texk/dvisvgm/dvisvgm-src/src/FontMetrics.h new file mode 100644 index 00000000000..7e7a9d3e12a --- /dev/null +++ b/Build/source/texk/dvisvgm/dvisvgm-src/src/FontMetrics.h @@ -0,0 +1,64 @@ +/************************************************************************* +** FontMetrics.h ** +** ** +** 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/>. ** +*************************************************************************/ + +#ifndef DVISVGM_FONTMETRICS_H +#define DVISVGM_FONTMETRICS_H + +#include <istream> +#include "MessageException.h" +#include "types.h" + +struct FontMetrics +{ + virtual ~FontMetrics () {} + virtual double getDesignSize () const =0; + virtual double getCharWidth (int c) const =0; + virtual double getCharHeight (int c) const =0; + virtual double getCharDepth (int c) const =0; + virtual double getItalicCorr (int c) const =0; + virtual bool verticalLayout () const =0; + virtual UInt32 getChecksum () const =0; + virtual UInt16 firstChar () const =0; + virtual UInt16 lastChar () const =0; + static FontMetrics* read (const char *fontname); +}; + + +struct NullFontMetric : public FontMetrics +{ + double getDesignSize () const {return 1;} + double getCharWidth (int c) const {return 0;} + double getCharHeight (int c) const {return 0;} + double getCharDepth (int c) const {return 0;} + double getItalicCorr (int c) const {return 0;} + bool verticalLayout () const {return false;} + UInt32 getChecksum () const {return 0;} + UInt16 firstChar () const {return 0;} + UInt16 lastChar () const {return 0;} +}; + + +struct FontMetricException : public MessageException +{ + FontMetricException (const std::string &msg) : MessageException(msg) {} +}; + + +#endif |