F_VN_PutLabel

F_VN_PutLabel 1:

Write a label (black text on white background) into an image.

Syntax

Definition:

FUNCTION F_VN_PutLabel : HRESULT
VAR_INPUT
    sText       : STRING;
    ipDestImage : ITcVnImage;
    nX          : UDINT;
    nY          : UDINT;
    fFontScale  : LREAL;
    hrPrev      : HRESULT;
END_VAR

F_VN_PutLabel 2: Inputs

Name

Type

Description

sText

STRING

Text

ipDestImage

ITcVnImage

Destination image

nX

UDINT

x coordinate (bottom left)

nY

UDINT

y coordinate (bottom left)

fFontScale

LREAL

Scaling factor

hrPrev

HRESULT

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

F_VN_PutLabel 3: Return value

HRESULT

Required License

TC3 Vision Base

System Requirements

Development environment

Target platform

PLC libraries to include

TwinCAT V3.1.4024.59 or later

PC or CX (x64) with min. PL50, e.g. Intel 4-core Atom CPU

Tc3_Vision