DrawCircle

Draws a circle.

Syntax

Definition:

HRESULT DrawCircle(
    HRESULT            hrPrev,
    ULONG              nCenterX,
    ULONG              nCenterY,
    ULONG              nRadius,
    ITcVnImage*        ipDestImage,
    TcVnVector4_LREAL& aColor,
    LONG               nThickness,
    ETcVnLineType      eLineType = LT_8_CONNECTED
)

Parameters

Name

Type

Default

Description

hrPrev

HRESULT

 

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

nCenterX

ULONG

 

x coordinate of the center

nCenterY

ULONG

 

y coordinate of the center

nRadius

ULONG

 

Radius

ipDestImage

ITcVnImage*

 

Destination image

aColor

TcVnVector4_LREAL&

 

Color

nThickness

LONG

 

Line thickness (if negative, the circle is filled)

eLineType

ETcVnLineType

LT_8_CONNECTED

Line type

DrawCircle 1: Return value

HRESULT

Required License

TC3 Vision Base

System Requirements

Development environment

Target platform

PLC libraries to include

TwinCAT V3.1. 4024.44 or later

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

Tc3_Vision