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McGeCircArc2d::McGeCircArc2d 构造函数 (McGePoint2d&, McGePoint2d&, McGePoint2d&)
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构造函数
McGeCircArc2d(const McGePoint2d& startPoint, const McGePoint2d& point, const McGePoint2d& endPoint);
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参数 |
说明 |
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const McGePoint2d& startPoint |
输入弧线的起始点 |
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const McGePoint2d& point |
输入弧线上的点 |
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const McGePoint2d& endPoint |
输入弧线的终止点 |
通过这三点建构一弧线。这三点不能重复也不能共线的。这个建构器只能建构弧线，不能用于建构圆。