/usr/include/simgear/math/SGRect.hxx is in libsimgear-dev 3.0.0-1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 | // Class representing a rectangular region
//
// Copyright (C) 2012 Thomas Geymayer <tomgey@gmail.com>
//
// This library is free software; you can redistribute it and/or
// modify it under the terms of the GNU Library General Public
// License as published by the Free Software Foundation; either
// version 2 of the License, or (at your option) any later version.
//
// This library 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
// Library General Public License for more details.
//
// You should have received a copy of the GNU Library General Public
// License along with this library; if not, write to the Free Software
// Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
#ifndef SG_RECT_HXX_
#define SG_RECT_HXX_
#include "SGLimits.hxx"
#include "SGVec2.hxx"
template<typename T>
class SGRect
{
public:
SGRect():
_min(SGLimits<T>::max(), SGLimits<T>::max()),
_max(-SGLimits<T>::max(), -SGLimits<T>::max())
{
}
SGRect(const SGVec2<T>& pt):
_min(pt),
_max(pt)
{
}
SGRect(T x, T y):
_min(x, y),
_max(x, y)
{
}
SGRect(const SGVec2<T>& min, const SGVec2<T>& max):
_min(min),
_max(max)
{
}
SGRect(T x, T y, T w, T h):
_min(x, y),
_max(x + w, y + h)
{
}
template<typename S>
explicit SGRect(const SGRect<S>& rect):
_min(rect.getMin()),
_max(rect.getMax())
{
}
void setMin(const SGVec2<T>& min) { _min = min; }
const SGVec2<T>& getMin() const { return _min; }
void setMax(const SGVec2<T>& max) { _max = max; }
const SGVec2<T>& getMax() const { return _max; }
void set(T x, T y, T w, T h)
{
_min.x() = x;
_min.y() = y;
_max.x() = x + w;
_max.y() = y + h;
}
T x() const { return _min.x(); }
T y() const { return _min.y(); }
T width() const { return _max.x() - _min.x(); }
T height() const { return _max.y() - _min.y(); }
void setX(T x) { T w = width(); _min.x() = x; _max.x() = x + w; }
void setY(T y) { T h = height(); _min.y() = y; _max.y() = y + h; }
void setWidth(T w) { _max.x() = _min.x() + w; }
void setHeight(T h) { _max.y() = _min.y() + h; }
T l() const { return _min.x(); }
T r() const { return _max.x(); }
T t() const { return _min.y(); }
T b() const { return _max.y(); }
T& l() { return _min.x(); }
T& r() { return _max.x(); }
T& t() { return _min.y(); }
T& b() { return _max.y(); }
void setLeft(T l) { _min.x() = l; }
void setRight(T r) { _max.x() = r; }
void setTop(T t) { _min.y() = t; }
void setBottom(T b) { _max.y() = b; }
/**
* Move rect by vector
*/
SGRect& operator+=(const SGVec2<T>& offset)
{
_min += offset;
_max += offset;
return *this;
}
/**
* Move rect by vector in inverse direction
*/
SGRect& operator-=(const SGVec2<T>& offset)
{
_min -= offset;
_max -= offset;
return *this;
}
bool contains(T x, T y) const
{
return _min.x() <= x && x <= _max.x()
&& _min.y() <= y && y <= _max.y();
}
bool contains(T x, T y, T margin) const
{
return (_min.x() - margin) <= x && x <= (_max.x() + margin)
&& (_min.y() - margin) <= y && y <= (_max.y() + margin);
}
private:
SGVec2<T> _min,
_max;
};
template<typename T>
inline SGRect<T> operator+(SGRect<T> rect, const SGVec2<T>& offset)
{
return rect += offset;
}
template<typename T>
inline SGRect<T> operator+(const SGVec2<T>& offset, SGRect<T> rect)
{
return rect += offset;
}
template<typename T>
inline SGRect<T> operator-(SGRect<T> rect, const SGVec2<T>& offset)
{
return rect -= offset;
}
template<typename T>
inline SGRect<T> operator-(const SGVec2<T>& offset, SGRect<T> rect)
{
return rect -= offset;
}
template<typename char_type, typename traits_type, typename T>
inline
std::basic_ostream<char_type, traits_type>&
operator<<(std::basic_ostream<char_type, traits_type>& s, const SGRect<T>& rect)
{ return s << "min = " << rect.getMin() << ", max = " << rect.getMax(); }
#endif /* SG_RECT_HXX_ */
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