F_VN_DrawRectangle

Syntax

Definition:

FUNCTION F_VN_DrawRectangle : HRESULT
VAR_INPUT
    nTopLeftX     : UDINT;
    nTopLeftY     : UDINT;
    nBottomRightX : UDINT;
    nBottomRightY : UDINT;
    ipDestImage   : ITcVnImage;
END_VAR
VAR_IN_OUT
    aColor        : TcVnVector4_LREAL;
END_VAR
VAR_INPUT
    nThickness    : DINT;
    hrPrev        : HRESULT;
END_VAR

Inputs

Name	Type	Description
nTopLeftX	UDINT	x coordinate of the top left corner
nTopLeftY	UDINT	y coordinate of the top left corner
nBottomRightX	UDINT	x coordinate of the bottom right corner
nBottomRightY	UDINT	y coordinate of the bottom right corner
ipDestImage	ITcVnImage	Destination image
nThickness	DINT	Line thickness (if negative, the rectangle is filled)
hrPrev	HRESULT	HRESULT indicating the result of previous operations (If SUCCEEDED(hrPrev) equals false, no operation is executed.)

In/Outputs

Name	Type	Description
aColor	TcVnVector4_LREAL	Color

Return value

HRESULT

Required License

TC3 Vision Base

System Requirements

Development environment	Target platform	PLC libraries to include
TwinCAT V3.1. 4024.44 or later	PC or CX (x64) with PL50, e.g. Intel 4-core Atom CPU	Tc3_Vision