public unsafe static extern void cvPutText(IplImage *img, [MarshalAs(UnmanagedType.LPStr)] String text, Point org, ref Font font, CvScalar color);
public unsafe static extern void cvDrawContours(IplImage *img, IntPtr contour,
CvScalar externalColor, CvScalar holeColor, int maxLevel, int thickness,
LineTypes lineType, Point offset);
public unsafe static extern void cvFillConvexPoly(IplImage *img, [In] Point[] pts, int npts,
CvScalar color,
LineTypes lineType, int shift);
public unsafe static extern void cvEllipse(IplImage *img, Point center, Size axes, double angle, double startAngle, double endAngle,
CvScalar color, int thickness,
LineTypes lineType, int shift);
public unsafe static extern void cvCircle(IplImage *img, Point center, int radius,
CvScalar color, int thickness,
LineTypes lineType, int shift);
public unsafe static extern void cvRectangleR(IplImage *img, Rectangle rect,
CvScalar color, int thickness,
LineTypes lineType, int shift);
public unsafe static extern void cvPolyLine(IplImage *img, [In] IntPtr[] pts, [In] int[] npts, int contours, [MarshalAs(UnmanagedType.Bool)] bool isClosed,
CvScalar color, int thickness,
LineTypes lineType, int shift);
public unsafe static extern void cvLine(IplImage *img, Point pt1, Point pt2,
CvScalar color, int thickness,
LineTypes lineType, int shift);
