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authorKarl Berry <karl@freefriends.org>2017-01-31 18:37:40 +0000
committerKarl Berry <karl@freefriends.org>2017-01-31 18:37:40 +0000
commit4c245316c293169ee655c8e2f922b4bee454f9bc (patch)
tree2d3b72165f3e7e1298df8dad8b52f119a42228dc /Build/source/texk/dvisvgm/dvisvgm-src/src/FontMetrics.hpp
parent54a2f67f996dceca3c89276dea798f746b3cacaf (diff)
import original dvisvgm-2.1
git-svn-id: svn://tug.org/texlive/trunk@43102 c570f23f-e606-0410-a88d-b1316a301751
Diffstat (limited to 'Build/source/texk/dvisvgm/dvisvgm-src/src/FontMetrics.hpp')
-rw-r--r--Build/source/texk/dvisvgm/dvisvgm-src/src/FontMetrics.hpp74
1 files changed, 74 insertions, 0 deletions
diff --git a/Build/source/texk/dvisvgm/dvisvgm-src/src/FontMetrics.hpp b/Build/source/texk/dvisvgm/dvisvgm-src/src/FontMetrics.hpp
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index 00000000000..cdf462a5a20
--- /dev/null
+++ b/Build/source/texk/dvisvgm/dvisvgm-src/src/FontMetrics.hpp
@@ -0,0 +1,74 @@
+/*************************************************************************
+** FontMetrics.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 FONTMETRICS_HPP
+#define FONTMETRICS_HPP
+
+#include <istream>
+#include "MessageException.hpp"
+
+struct FontMetrics
+{
+ virtual ~FontMetrics () =default;
+ 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 double getSpace () const =0;
+ virtual double getSpaceStretch () const =0;
+ virtual double getSpaceShrink () const =0;
+ virtual double getQuad () const =0;
+ virtual double getAscent () const =0;
+ virtual double getDescent () const =0;
+ virtual bool verticalLayout () const =0;
+ virtual uint32_t getChecksum () const =0;
+ virtual uint16_t firstChar () const =0;
+ virtual uint16_t lastChar () const =0;
+ static FontMetrics* read (const char *fontname);
+};
+
+
+struct NullFontMetric : public FontMetrics
+{
+ double getDesignSize () const override {return 1;}
+ double getCharWidth (int c) const override {return 0;}
+ double getCharHeight (int c) const override {return 0;}
+ double getCharDepth (int c) const override {return 0;}
+ double getItalicCorr (int c) const override {return 0;}
+ double getSpace () const override {return 0;}
+ double getSpaceStretch () const override {return 0;}
+ double getSpaceShrink () const override {return 0;}
+ double getQuad () const override {return 0;}
+ double getAscent () const override {return 0;}
+ double getDescent () const override {return 0;}
+ bool verticalLayout () const override {return false;}
+ uint32_t getChecksum () const override {return 0;}
+ uint16_t firstChar () const override {return 0;}
+ uint16_t lastChar () const override {return 0;}
+};
+
+
+struct FontMetricException : public MessageException
+{
+ FontMetricException (const std::string &msg) : MessageException(msg) {}
+};
+
+#endif