summaryrefslogtreecommitdiff
path: root/Build/source/texk/dvisvgm/dvisvgm-1.2.2/src/Matrix.h
diff options
context:
space:
mode:
Diffstat (limited to 'Build/source/texk/dvisvgm/dvisvgm-1.2.2/src/Matrix.h')
-rw-r--r--Build/source/texk/dvisvgm/dvisvgm-1.2.2/src/Matrix.h104
1 files changed, 104 insertions, 0 deletions
diff --git a/Build/source/texk/dvisvgm/dvisvgm-1.2.2/src/Matrix.h b/Build/source/texk/dvisvgm/dvisvgm-1.2.2/src/Matrix.h
new file mode 100644
index 00000000000..d3a52439021
--- /dev/null
+++ b/Build/source/texk/dvisvgm/dvisvgm-1.2.2/src/Matrix.h
@@ -0,0 +1,104 @@
+/*************************************************************************
+** Matrix.h **
+** **
+** This file is part of dvisvgm -- the DVI to SVG converter **
+** Copyright (C) 2005-2013 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 MATRIX_H
+#define MATRIX_H
+
+#include <istream>
+#include <string>
+#include <vector>
+#include "MessageException.h"
+#include "Pair.h"
+
+
+struct ParserException : public MessageException
+{
+ ParserException (const std::string &msg) : MessageException(msg) {}
+};
+
+class Calculator;
+
+class Matrix
+{
+ friend double det (const Matrix &m);
+ friend double det (const Matrix &m, int row, int col);
+
+ public:
+ Matrix (const std::string &cmds, Calculator &calc);
+ Matrix (double d=0);
+ Matrix (double v[], unsigned size=9);
+ Matrix (const std::vector<double> &v, int start=0);
+ Matrix& set (double v[], unsigned size);
+ Matrix& set (const std::vector<double> &v, int start=0);
+ double get (int row, int col) const {return _values[row][col];}
+ Matrix& transpose ();
+ Matrix& invert ();
+ Matrix& parse (std::istream &is, Calculator &c);
+ Matrix& parse (const std::string &cmds, Calculator &c);
+ Matrix& lmultiply (const Matrix &tm);
+ Matrix& rmultiply (const Matrix &tm);
+ Matrix& translate (double tx, double ty);
+ Matrix& scale (double sx, double sy);
+ Matrix& rotate (double deg);
+ Matrix& xskew (double deg);
+ Matrix& yskew (double deg);
+ Matrix& flip (bool h, double a);
+ Matrix& operator *= (double c);
+ DPair operator * (const DPair &p) const;
+ bool operator == (const Matrix &m) const;
+ bool operator != (const Matrix &m) const;
+ bool isIdentity() const;
+ bool isTranslation (double &tx, double &ty) const;
+ std::string getSVG () const;
+ std::ostream& write (std::ostream &os) const;
+
+ private:
+ double _values[3][3]; // row x col
+};
+
+
+struct TranslationMatrix : public Matrix
+{
+ TranslationMatrix (double tx, double ty);
+};
+
+
+struct ScalingMatrix : public Matrix
+{
+ ScalingMatrix (double sx, double sy);
+};
+
+
+struct RotationMatrix : public Matrix
+{
+ RotationMatrix (double deg);
+};
+
+
+inline std::ostream& operator << (std::ostream &os, const Matrix &m) {
+ return m.write(os);
+}
+
+
+double det (const Matrix &m);
+double det (const Matrix &m, int row, int col);
+
+
+#endif