DrawLine (TcVnVector4_DINT)

Draws a line.

Syntax

Definition:

HRESULT DrawLine(
    HRESULT            hrPrev,
    TcVnVector4_DINT&  aLine,
    ITcVnImage*        ipDestImage,
    TcVnVector4_LREAL& aColor,
    LONG               nThickness,
    ETcVnLineType      eLineType = LT_8_CONNECTED,
    ULONG              nShift = 0
)

Parameters

Name

Type

Default

Description

hrPrev

HRESULT

 

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

aLine

TcVnVector4_DINT&

 

The start and end point of a line segment [x1, y1, x2, y2]

ipDestImage

ITcVnImage*

 

Destination image

aColor

TcVnVector4_LREAL&

 

Color

nThickness

LONG

 

Line thickness

eLineType

ETcVnLineType

LT_8_CONNECTED

Line type

nShift

ULONG

0

Fractional bits of the coordinates (bit shift)

DrawLine (TcVnVector4_DINT) 1: 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