libcruft-util/extent.ipp

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/*
* 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 <http://www.gnu.org/licenses/>.
*
* Copyright 2015 Danny Robson <danny@nerdcruft.net>
*/
#ifdef __UTIL_EXTENT_IPP
#error
#endif
#define __UTIL_EXTENT_IPP
#include <algorithm>
//-----------------------------------------------------------------------------
template <size_t S, typename T>
template <typename U>
util::extent<S,U>
util::extent<S,T>::cast (void) const
{
util::extent<S,U> out;
std::copy (std::begin (this->data), std::end (this->data), std::begin (out.data));
return out;
}
//-----------------------------------------------------------------------------
template <typename U, typename T>
U
util::aspect (util::extent<2,T> e)
{
return static_cast<U> (e.w) / e.h;
}