F_VN_DrawPolygonExp
Draw a pologon using collection of points. (expert function)
Syntax
Definition:
FUNCTION F_VN_DrawPolygonExp : HRESULT
VAR_INPUT
ipPoints : ITcVnContainer;
ipDestImage : ITcVnImage;
END_VAR
VAR_IN_OUT
aColor : TcVnVector4_LREAL;
END_VAR
VAR_INPUT
nThickness : DINT;
bIsClosed : BOOL;
eLineType : ETcVnLineType;
nShift : UDINT;
hrPrev : HRESULT;
END_VAR
Inputs
Name |
Type |
Description |
---|---|---|
ipPoints |
Container with TcVnPoint2_DINT, TcVnPoint2_REAL, or TcVnPoint2_LREAL elements | |
ipDestImage |
Destination image | |
nThickness |
DINT |
Line thickness (if negative, the shape is filled) |
bIsClosed |
BOOL |
If it is true, the function draws a line from the last point to the first point to close the polygon. |
eLineType |
Line type | |
nShift |
UDINT |
Fractional bits of the coordinates (bit shift) |
hrPrev |
HRESULT indicating the result of previous operations (If SUCCEEDED(hrPrev) equals false, no operation is executed.) |
Required License
TC3 Vision Base
System Requirements
Development environment | Target platform | PLC libraries to include |
---|---|---|
TwinCAT V3.1.4024.54 or later | PC or CX (x64) with PL50, e.g. Intel 4-core Atom CPU | Tc3_Vision |