libcruft-util/region.cpp

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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 2010 Danny Robson <danny@blubinc.net>
*/
2011-05-23 17:18:52 +10:00
#include "region.hpp"
#include "debug.hpp"
/*
* Rect
*/
template <typename T>
_rect<T>::_rect (const T _width, const T _height):
width (_width),
height (_height)
{ ; }
template <typename T>
T
_rect<T>::area (void) const
{ return width * height; }
template <typename T>
bool
_rect<T>::empty (void) const
{ return area() == 0; }
template <typename T>
bool
_rect<T>::operator ==(const _rect& rhs) const
{ return width == rhs.width && height == rhs.height; }
template <typename T>
void
_rect<T>::sanity (void) const
{ check (width >= 0 && height >= 0); }
// Replace the check, as unsigned types do not ever go negative. This would
// trigger a compile warning if left.
template <>
void
_rect<unsigned int>::sanity (void) const
{ check (true); }
template struct _rect<unsigned int>;
/*
* Region
*/
template <typename T>
_region<T>::_region (T _x, T _y, T _width, T _height):
x (_x),
y (_y),
width (_width),
height (_height)
{ ; }
template <typename T>
T
_region<T>::area (void) const
{ return width * height; }
template <typename T>
bool
_region<T>::empty (void) const
{ return area () == 0; }
template <typename T>
bool
_region<T>::operator ==(const _region& rhs) const
{ return x == rhs.x &&
y == rhs.y &&
width == rhs.width &&
height == rhs.height; }
template <typename T>
void _region<T>::sanity (void) const
{ check (width >= 0 && height >= 0); }