--- include/length.h | 105 +++++++++++++++++++++++++++++++++++++++++++++++++++++++ include/point.h | 46 ++++++++++++++++++++++++ 2 files changed, 151 insertions(+) create mode 100644 include/length.h create mode 100644 include/point.h
diff --git a/include/length.h b/include/length.h new file mode 100644 index 000000000..b6a910cfc --- /dev/null +++ b/include/length.h @@ -0,0 +1,105 @@ +/* + * This program source code file is part of KiCad, a free EDA CAD application. + * + * Copyright (C) 2018 Simon Richter + * Copyright (C) 2018 KiCad Developers, see AUTHORS.txt for contributors. + * + * 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/>. + */ + +#pragma once + + +#include <cstdint> + + +/** Length in real-world units (metric or imperial) */ +class length +{ +public: + typedef int64_t value_type; + typedef double factor_type; + + /// @todo Valgrind: mark uninitialized + constexpr length() : value(0) { } + + // Addition + constexpr length operator+(length const &rhs) const { return length(value + rhs.value); } + length &operator+=(length const &rhs) { value += rhs.value; return *this; } + + // Subtraction + constexpr length operator-(length const &rhs) const { return length(value - rhs.value); } + length &operator-=(length const &rhs) { value -= rhs.value; return *this; } + + // Multiplication with a scalar + constexpr length operator*(factor_type const &rhs) const { return length(value * rhs); } + length &operator*=(factor_type const &rhs) { value *= rhs; return *this; } + + // Division by a scalar + constexpr length operator/(factor_type const &rhs) const { return length(value / rhs); } + length &operator/=(factor_type const &rhs) { value /= rhs; return *this; } + + // Division by a length (returning a scalar) + constexpr factor_type operator/(length const &rhs) const { return factor_type(value) / factor_type(rhs.value); } + +private: + constexpr explicit length(value_type v) : value(v) { } + + friend constexpr length operator""_nm(unsigned long long); + + value_type value; +}; + + +/** Commutative multiplication */ +template<typename T> +constexpr auto operator*(T const &lhs, length const &rhs) -> decltype(rhs * lhs) +{ + return rhs * lhs; +} + + +/** Length in nanometers */ +constexpr length operator""_nm(unsigned long long value) +{ + return length(value); +} + + +/** Length in micrometers */ +constexpr length operator""_um(unsigned long long value) +{ + return 1000_nm * value; +} + + +/** Length in millimeters */ +constexpr length operator""_mm(unsigned long long value) +{ + return 1000_um * value; +} + + +/** Lenght in mil */ +constexpr length operator""_mil(unsigned long long value) +{ + return 25400_um * value; +} + + +/** Length in inches */ +constexpr length operator""_in(unsigned long long value) +{ + return 1000_mil * value; +} diff --git a/include/point.h b/include/point.h new file mode 100644 index 000000000..06e1f9e56 --- /dev/null +++ b/include/point.h @@ -0,0 +1,46 @@ +/* + * This program source code file is part of KiCad, a free EDA CAD application. + * + * Copyright (C) 2018 Simon Richter + * Copyright (C) 2018 KiCad Developers, see AUTHORS.txt for contributors. + * + * 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/>. + */ + +#pragma once + + +#include "length.h" + + +class point +{ +public: + constexpr point() : x(), y() { } + constexpr point(length nx, length ny) : x(nx), y(ny) { } + + length x, y; +}; + + +class vector +{ +public: + constexpr vector() : x(), y() { } + constexpr vector(length nx, length ny) : x(nx), y(ny) { } + + constexpr explicit operator bool() const { return x || y; } + + length x, y; +};
_______________________________________________ Mailing list: https://launchpad.net/~kicad-developers Post to : [email protected] Unsubscribe : https://launchpad.net/~kicad-developers More help : https://help.launchpad.net/ListHelp
