/* * This file is part of libgim. * * libgim 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. * * libgim 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 libgim. If not, see . * * Copyright 2010-2015 Danny Robson */ #include "extent.hpp" #include "debug.hpp" #include "maths.hpp" #include /////////////////////////////////////////////////////////////////////////////// template util::extent::extent (vector _v): extent (_v.x, _v.y) { ; } /////////////////////////////////////////////////////////////////////////////// template T util::extent::diameter (void) const { return static_cast ( std::sqrt ( std::accumulate (std::begin (this->data), std::end (this->data), T {0}, [] (auto a, auto b) { return a + b * b; }) ) ); } //----------------------------------------------------------------------------- template T util::extent::area (void) const { return std::accumulate (std::begin (this->data), std::end (this->data), T {1}, std::multiplies ()); } /////////////////////////////////////////////////////////////////////////////// template util::extent util::extent::expanded (util::vector mag) const { return *this + mag; } //----------------------------------------------------------------------------- template util::extent util::extent::expanded (T t) const { return expanded (util::vector {t}); } /////////////////////////////////////////////////////////////////////////////// template bool util::extent::empty (void) const { return almost_equal (area(), 0); } /////////////////////////////////////////////////////////////////////////////// template util::extent util::extent::operator+ (vector rhs) const { extent out; std::adjacent_difference (std::begin (this->data), std::end (this->data), std::begin (rhs.data), std::plus ()); return out; } /////////////////////////////////////////////////////////////////////////////// template bool util::extent::operator ==(const extent& rhs) const { return std::equal (std::begin (this->data), std::end (this->data), std::begin (rhs.data), almost_equal); } /////////////////////////////////////////////////////////////////////////////// template const util::extent util::extent::MIN { 0 }; //----------------------------------------------------------------------------- template const util::extent util::extent::MAX { std::numeric_limits::max () }; /////////////////////////////////////////////////////////////////////////////// namespace debug { template struct validator { static bool is_valid (const util::extent &e) { return e.w >= 0 && e.h >= 0; } }; } template bool debug::valid (const util::extent<2,float>&); template bool debug::valid (const util::extent<2,double>&); template bool debug::valid (const util::extent<2,uint16_t>&); template bool debug::valid (const util::extent<2,uint32_t>&); template bool debug::valid (const util::extent<2,uint64_t>&); /////////////////////////////////////////////////////////////////////////////// template std::ostream& util::operator<< (std::ostream &os, util::extent e) { os << "[" << e.w << ", " << e.h << "]"; return os; } template std::ostream& util::operator<< (std::ostream&, util::extent<2,uint16_t>); template std::ostream& util::operator<< (std::ostream&, util::extent<2,uint32_t>); template std::ostream& util::operator<< (std::ostream&, util::extent<2,uint64_t>); template std::ostream& util::operator<< (std::ostream&, util::extent<2,float>); template std::ostream& util::operator<< (std::ostream&, util::extent<2,double>); //----------------------------------------------------------------------------- namespace util { template struct extent<2,uint32_t>; template struct extent<2,uint64_t>; template struct extent<2,float>; template struct extent<2,double>; }