CreateImageAndSetPixels

Creates an image, allocates an appropriate data buffer and sets all pixels to the specified value. The initial reference count is set to one if a new image interface is created and kept, otherwise.

Syntax

Definition:

HRESULT CreateImageAndSetPixels(
    HRESULT            hrPrev,
    ITcVnImage*&       ipImage,
    ULONG              nWidth,
    ULONG              nHeight,
    ETcVnElementType   ePixelType,
    ULONG              nChannelNum,
    TcVnVector4_LREAL& aValue
)

Parameters

Name

Type

Description

hrPrev

HRESULT

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

ipImage

ITcVnImage*&

Returns the created image (Non-zero interface pointers are reused.)

nWidth

ULONG

Image width

nHeight

ULONG

Image height

ePixelType

ETcVnElementType

Pixel type

nChannelNum

ULONG

Number of channels (1 to 4)

aValue

TcVnVector4_LREAL&

Pixel value

CreateImageAndSetPixels 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