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61 lines
1.5 KiB
C++
61 lines
1.5 KiB
C++
#ifndef RECTD_H
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#define RECTD_H
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#include "pointd.h"
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class RectC;
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class Projection;
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class RectD
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{
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public:
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RectD() {}
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RectD(const PointD &topLeft, const PointD &bottomRight)
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: _tl(topLeft), _br(bottomRight) {}
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RectD(const RectC &rect, const Projection &proj, int samples = 100);
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PointD topLeft() const {return _tl;}
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PointD bottomRight() const {return _br;}
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PointD center() const
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{return PointD((_tl.x() + _br.x()) / 2.0,
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(_tl.y() + _br.y()) / 2.0);}
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double left() const {return _tl.x();}
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double right() const {return _br.x();}
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double top() const {return _tl.y();}
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double bottom() const {return _br.y();}
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void setLeft(double val) {_tl.rx() = val;}
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void setRight(double val) {_br.rx() = val;}
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void setTop(double val) {_tl.ry() = val;}
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void setBottom(double val) {_br.ry() = val;}
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double width() const {return (right() - left());}
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double height() const {return (top() - bottom());}
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bool contains(const PointD &p) const
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{return (p.x() >= left() && p.x() <= right() && p.y() <= top()
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&& p.y() >= bottom());}
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bool isNull() const {return _tl.isNull() && _br.isNull();}
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bool isValid() const
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{return (_tl.isValid() && _br.isValid()
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&& _tl.x() != _br.x() && _tl.y() != _br.y());}
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RectC toRectC(const Projection &proj, int samples = 100) const;
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private:
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PointD _tl, _br;
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};
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#ifndef QT_NO_DEBUG
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inline QDebug operator<<(QDebug dbg, const RectD &rect)
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{
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dbg.nospace() << "RectD(" << rect.topLeft() << ", " << rect.bottomRight()
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<< ")";
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return dbg.space();
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}
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#endif // QT_NO_DEBUG
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#endif // RECTD_H
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