F_VN_PutLabelExp

F_VN_PutLabelExp 1:

Write a label (text on unified background) into an image. (expert function)

Syntax

Definition:

FUNCTION F_VN_PutLabelExp : HRESULT
VAR_INPUT
    sText            : STRING;
    ipDestImage      : ITcVnImage;
    nX               : UDINT;
    nY               : UDINT;
    fFontScale       : LREAL;
    nThickness       : UDINT;
    eFontType        : ETcVnFontType;
END_VAR
VAR_IN_OUT
    aFontColor       : TcVnVector4_LREAL;
    aBackgroundColor : TcVnVector4_LREAL;
END_VAR
VAR_INPUT
    eLineType        : ETcVnLineType;
    hrPrev           : HRESULT;
END_VAR

F_VN_PutLabelExp 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

nThickness

UDINT

Line thickness

eFontType

ETcVnFontType

Font type

eLineType

ETcVnLineType

Line type

hrPrev

HRESULT

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

F_VN_PutLabelExp 3: In/Outputs

Name

Type

Description

aFontColor

TcVnVector4_LREAL

Font color

aBackgroundColor

TcVnVector4_LREAL

Background color

F_VN_PutLabelExp 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