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 V3.1.4024.54 or later

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

Tc3_Vision