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Diffstat (limited to 'Build/source/texk/dvisvgm/dvisvgm-1.11/src/Pair.h')
| -rw-r--r-- | Build/source/texk/dvisvgm/dvisvgm-1.11/src/Pair.h | 79 |
1 files changed, 79 insertions, 0 deletions
diff --git a/Build/source/texk/dvisvgm/dvisvgm-1.11/src/Pair.h b/Build/source/texk/dvisvgm/dvisvgm-1.11/src/Pair.h new file mode 100644 index 00000000000..fa27033b199 --- /dev/null +++ b/Build/source/texk/dvisvgm/dvisvgm-1.11/src/Pair.h @@ -0,0 +1,79 @@ +/************************************************************************* +** Pair.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_PAIR_H +#define DVISVGM_PAIR_H + +#include <cmath> +#include <ostream> +#include "macros.h" +#include "types.h" + +template <typename T> +class Pair +{ + public: + Pair (T x=0, T y=0) : _x(x), _y(y) {} + Pair operator += (const Pair &p) {_x += p._x; _y += p._y; return *this;} + Pair operator -= (const Pair &p) {_x -= p._x; _y -= p._y; return *this;} + Pair operator *= (T c) {_x *= c; _y *= c; return *this;} + Pair operator /= (T c) {_x /= c; _y /= c; return *this;} + Pair ortho () const {return Pair(-_y, _x);} + double length () const {return std::sqrt(_x*_x + _y*_y);} + bool operator == (const Pair &p) const {return _x == p._x && _y == p._y;} + bool operator != (const Pair &p) const {return _x != p._x || _y != p._y;} + T x () const {return _x;} + T y () const {return _y;} + void x (const T &xx) {_x = xx;} + void y (const T &yy) {_y = yy;} + std::ostream& write (std::ostream &os) const {return os << '(' << _x << ',' << _y << ')';} + + private: + T _x, _y; +}; + + +struct Pair32 : public Pair<Int32> +{ + Pair32 (Int32 x=0, Int32 y=0) : Pair<Int32>(x, y) {} + explicit Pair32 (double x, double y) : Pair<Int32>(Int32(x+0.5), Int32(y+0.5)) {} + Pair32 (const Pair<Int32> &p) : Pair<Int32>(p) {} +// operator Pair<Int32> () {return *this;} +}; + +typedef Pair<double> DPair; + +template <typename T> +IMPLEMENT_ARITHMETIC_OPERATOR(Pair<T>, +) + +template <typename T> +IMPLEMENT_ARITHMETIC_OPERATOR(Pair<T>, -) + +template <typename T> +IMPLEMENT_ARITHMETIC_OPERATOR2(Pair<T>, T, *) + +template <typename T> +IMPLEMENT_ARITHMETIC_OPERATOR2(Pair<T>, T, /) + +template <typename T> +IMPLEMENT_OUTPUT_OPERATOR(Pair<T>) + +IMPLEMENT_ARITHMETIC_OPERATOR2(Pair32, Int32, *) +#endif |