DrawCircles

Draws circles.

Syntax

Definition:

HRESULT DrawCircles(
    HRESULT            hrPrev,
    ITcVnContainer*    ipCircles,
    LONG               nCircleIndex,
    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.)

ipCircles

ITcVnContainer*

 

Container with circles (ContainerType_Vector_TcVnVector3_REAL; Each container element contains the x coordinate of the circle center [0], the y coordinate of the circle center [1], and the radius [2].)

nCircleIndex

LONG

 

Index of a specific circle to be drawn (if negative, all circles within the container are drawn)

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

DrawCircles 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