opencv里面怎么获取轮廓内部的点呢？

[linjx520074913]

如题，现在有很多个轮廓，我想知道一个具体的点在哪个轮廓里面，要怎么弄呢？请大神教教我。。。

[赵4老师]

PtInRegion The PtInRegion function determines whether the specified point is inside the specified region. BOOL PtInRegion( HRGN hrgn, // handle to region int X, // x-coordinate of point int Y // y-coordinate of point ); Parameters hrgn Handle to the region to be examined. X Specifies the x-coordinate of the point. Y Specifies the y-coordinate of the point. Return Values If the specified point is in the region, the return value is nonzero. If the specified point is not in the region, the return value is zero. QuickInfo Windows NT: Requires version 3.1 or later. Windows: Requires Windows 95 or later. Windows CE: Requires version 1.0 or later. Header: Declared in wingdi.h. Import Library: Use gdi32.lib. See Also Regions Overview, Region Functions, RectInRegion