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-rw-r--r--Build/source/texk/dvisvgm/dvisvgm-1.0.10/src/Length.cpp84
1 files changed, 84 insertions, 0 deletions
diff --git a/Build/source/texk/dvisvgm/dvisvgm-1.0.10/src/Length.cpp b/Build/source/texk/dvisvgm/dvisvgm-1.0.10/src/Length.cpp
new file mode 100644
index 00000000000..7ae102df7c5
--- /dev/null
+++ b/Build/source/texk/dvisvgm/dvisvgm-1.0.10/src/Length.cpp
@@ -0,0 +1,84 @@
+/*************************************************************************
+** Length.cpp **
+** **
+** This file is part of dvisvgm -- the DVI to SVG converter **
+** Copyright (C) 2005-2011 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 <sstream>
+#include "InputReader.h"
+#include "Length.h"
+
+#define UNIT(c1,c2) ((c1 << 8)|c2)
+
+using namespace std;
+
+
+void Length::set (const string &len) {
+ switch (len.length()) {
+ case 0:
+ _pt = 0;
+ break;
+ case 1:
+ if (isdigit(len[0]))
+ _pt = len[0] - '0';
+ else
+ throw UnitException("invalid length: "+len);
+ break;
+ default:
+ istringstream iss(len);
+ StreamInputReader ir(iss);
+ double val;
+ if (!ir.parseDouble(val))
+ throw UnitException("invalid length: "+len);
+ string unit = ir.getWord();
+ set(val, unit);
+ }
+}
+
+
+void Length::set (double val, Unit unit) {
+ switch (unit) {
+ case PT: _pt = val; break;
+ case BP: _pt = val*72.27/72; break;
+ case IN: _pt = val*72.27; break;
+ case CM: _pt = val/2.54*72.27; break;
+ case MM: _pt = val/25.4*72.27; break;
+ case PC: _pt = val/12*72.27; break;
+ }
+}
+
+
+void Length::set (double val, string unitstr) {
+ if (unitstr.empty())
+ unitstr = "pt";
+ else if (unitstr.length() != 2)
+ throw UnitException("invalid length unit: "+unitstr);
+
+ Unit unit;
+ switch (UNIT(unitstr[0], unitstr[1])) {
+ case UNIT('p','t'): unit = PT; break;
+ case UNIT('b','p'): unit = BP; break;
+ case UNIT('i','n'): unit = IN; break;
+ case UNIT('c','m'): unit = CM; break;
+ case UNIT('m','m'): unit = MM; break;
+ case UNIT('p','c'): unit = PC; break;
+ default:
+ throw UnitException("invalid length unit: "+unitstr);
+ }
+ set(val, unit);
+}
+