F_VN_DrawPolygon

F_VN_DrawPolygon 1:

Draw a pologon using collection of points.

Syntax

Definition:

FUNCTION F_VN_DrawPolygon : HRESULT
VAR_INPUT
    ipPoints    : ITcVnContainer;
    ipDestImage : ITcVnImage;
END_VAR
VAR_IN_OUT
    aColor      : TcVnVector4_LREAL;
END_VAR
VAR_INPUT
    nThickness  : DINT;
    hrPrev      : HRESULT;
END_VAR

F_VN_DrawPolygon 2: Inputs

Name

Type

Description

ipPoints

ITcVnContainer

Container with TcVnPoint2_DINT, TcVnPoint2_REAL, or TcVnPoint2_LREAL elements

ipDestImage

ITcVnImage

Destination image

nThickness

DINT

Line thickness (if negative, the polygon is filled)

hrPrev

HRESULT

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

F_VN_DrawPolygon 3: In/Outputs

Name

Type

Description

aColor

TcVnVector4_LREAL

Color

F_VN_DrawPolygon 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