DrawEllipse

Draws an ellipse.

Syntax

Definition:

HRESULT DrawEllipse(
    HRESULT               hrPrev,
    TcVnRotatedRectangle& stEllipse,
    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.)

stEllipse

TcVnRotatedRectangle&

 

Ellipse to be drawn (rotation angle in degrees)

ipDestImage

ITcVnImage*

 

Destination image

aColor

TcVnVector4_LREAL&

 

Color

nThickness

LONG

 

Line thickness (if negative, the ellipse is filled)

eLineType

ETcVnLineType

LT_8_CONNECTED

Line type

DrawEllipse 1: 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