84 lines
2.1 KiB
C++
84 lines
2.1 KiB
C++
// Class representing a rectangular region
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//
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// Copyright (C) 2012 Thomas Geymayer <tomgey@gmail.com>
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//
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// This library is free software; you can redistribute it and/or
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// modify it under the terms of the GNU Library General Public
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// License as published by the Free Software Foundation; either
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// version 2 of the License, or (at your option) any later version.
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//
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// This library is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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// Library General Public License for more details.
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//
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// You should have received a copy of the GNU Library General Public
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// License along with this library; if not, write to the Free Software
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// Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
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#ifndef SG_RECT_HXX_
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#define SG_RECT_HXX_
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namespace simgear
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{
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template<typename T>
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class Rect
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{
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public:
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Rect():
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_x1(0),
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_x2(0),
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_y1(0),
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_y2(0)
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{}
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Rect(T x, T y, T w, T h):
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_x1(x),
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_x2(x + w),
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_y1(y),
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_y2(y + h)
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{}
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void set(T x, T y, T w, T h)
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{
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_x1 = x;
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_x2 = x + w;
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_y1 = y;
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_y2 = y + h;
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}
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T x() const { return _x1; }
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T y() const { return _y1; }
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T width() const { return _x2 - _x1; }
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T height() const { return _y2 - _y1; }
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void setX(T x) { T w = width(); _x1 = x; _x2 = x + w; }
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void setY(T y) { T h = height(); _y1 = y; _y2 = y + h; }
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void setWidth(T w) { _x2 = _x1 + w; }
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void setHeight(T h) { _y2 = _y1 + h; }
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T l() const { return _x1; }
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T r() const { return _x2; }
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T t() const { return _y1; }
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T b() const { return _y2; }
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void setLeft(T l) { _x1 = l; }
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void setRight(T r) { _x2 = r; }
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void setTop(T t) { _y1 = t; }
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void setBottom(T b) { _y2 = b; }
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bool contains(T x, T y) const
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{
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return _x1 <= x && x <= _x2
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&& _y1 <= y && y <= _y2;
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}
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private:
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T _x1, _x2, _y1, _y2;
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};
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} // namespace simgear
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#endif /* SG_RECT_HXX_ */
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