F_VN_DrawCircleExp
Draws a circle.
Syntax
Definition:
FUNCTION F_VN_DrawCircleExp : HRESULT
VAR_INPUT
    nCenterX    : UDINT;
    nCenterY    : UDINT;
    nRadius     : UDINT;
    ipDestImage : ITcVnImage;
END_VAR
VAR_IN_OUT
    aColor      : TcVnVector4_LREAL;
END_VAR
VAR_INPUT
    nThickness  : DINT;
    eLineType   : ETcVnLineType;
    hrPrev      : HRESULT;
END_VAR
          
 Inputs
| 
                   Name  | 
                   Type  | 
                   Description  | 
|---|---|---|
| 
                   nCenterX  | 
                   UDINT  | 
                   x coordinate of the center  | 
| 
                   nCenterY  | 
                   UDINT  | 
                   y coordinate of the center  | 
| 
                   nRadius  | 
                   UDINT  | 
                   Radius  | 
| 
                   ipDestImage  | 
                   Destination image  | |
| 
                   nThickness  | 
                   DINT  | 
                   Line thickness (if negative, the circle is filled)  | 
| 
                   eLineType  | 
                   Line type  | |
| 
                   hrPrev  | 
                   HRESULT indicating the result of previous operations (If SUCCEEDED(hrPrev) equals false, no operation is executed.)  | 
Required License
TC3 Vision Base
 Return value