F_VN_DrawCirclesExp
Draws circles. (expert function)
Syntax
Definition:
FUNCTION F_VN_DrawCirclesExp : HRESULT
VAR_INPUT
ipCircles : ITcVnContainer;
nCircleIndex : DINT;
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 |
|---|---|---|
|
ipCircles |
Container with circles (ContainerType_Vector_TcVnVector3_REAL; Each container element contains the x coordinate of the circle center [0], the y coordinate of the circle center [1], and the radius [2].) | |
|
nCircleIndex |
DINT |
Index of a specific circle to be drawn (if negative, all circles within the container are drawn) |
|
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.) |
Return valueRequired License
TC3 Vision Base