25 lines
784 B
C++
25 lines
784 B
C++
// Arc.h
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// Copyright 2011, Dan Heeks
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// This program is released under the BSD license. See the file COPYING for details.
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#pragma once
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#include "Point.h"
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class CArc{
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public:
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Point m_s;
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Point m_e;
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Point m_c;
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bool m_dir; // true - anti-clockwise, false - clockwise
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int m_user_data;
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CArc():m_dir(true), m_user_data(0){}
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CArc(const Point& s, const Point& e, const Point& c, bool dir, int user_data):m_s(s), m_e(e), m_c(c), m_dir(dir), m_user_data(user_data){}
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void SetDirWithPoint(const Point& p); // set m_dir, such that this point lies between m_s and m_e
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double IncludedAngle()const; // always > 0
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bool AlmostALine()const;
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Point MidParam(double param)const;
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void GetSegments(void(*callbackfunc)(const double *p), double pixels_per_mm)const;
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}; |