F_VN_DrawCircularArc

F_VN_DrawCircularArc 1:

Draws a circular arc.

Syntax

Definition:

FUNCTION F_VN_DrawCircularArc : HRESULT
VAR_IN_OUT
    stCircularArc : TcVnCircularArc;
END_VAR
VAR_INPUT
    ipDestImage   : ITcVnImage;
END_VAR
VAR_IN_OUT
    aColor        : TcVnVector4_LREAL;
END_VAR
VAR_INPUT
    nThickness    : DINT;
    hrPrev        : HRESULT;
END_VAR

F_VN_DrawCircularArc 2: Inputs

Name

Type

Description

ipDestImage

ITcVnImage

Destination image

nThickness

DINT

Line thickness (if negative, the arc is filled)

hrPrev

HRESULT

HRESULT indicating the result of previous operations (If SUCCEEDED(hrPrev) equals false, no operation is executed.)

F_VN_DrawCircularArc 3: In/Outputs

Name

Type

Description

stCircularArc

TcVnCircularArc

Circular arc definition

aColor

TcVnVector4_LREAL

Color

F_VN_DrawCircularArc 4: Return value

HRESULT

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