DrawRectangle

Draw a rectangle.

Syntax

Definition:

HRESULT DrawRectangle(
    HRESULT            hrPrev,
    ULONG              nTopLeftX,
    ULONG              nTopLeftY,
    ULONG              nBottomRightX,
    ULONG              nBottomRightY,
    ITcVnImage*        ipDestImage,
    TcVnVector4_LREAL& aColor,
    LONG               nThickness
)

Parameters

Name

Type

Description

hrPrev

HRESULT

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

nTopLeftX

ULONG

x coordinate of the top left corner

nTopLeftY

ULONG

y coordinate of the top left corner

nBottomRightX

ULONG

x coordinate of the bottom right corner

nBottomRightY

ULONG

y coordinate of the bottom right corner

ipDestImage

ITcVnImage*

Destination image

aColor

TcVnVector4_LREAL&

Color

nThickness

LONG

Line thickness (if negative, the rectangle is filled)

DrawRectangle 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