F_VN_ExportImage

F_VN_ExportImage 1:

Exports the image data into a given buffer (e.g. an array). F_VN_ExportImageSize should be called before to get the required buffer size.

Syntax

Definition:

FUNCTION F_VN_ExportImage : HRESULT
VAR_INPUT
    ipImage     : ITcVnImage;
    pBuffer     : PVOID;
    nBufferSize : ULINT;
    hrPrev      : HRESULT;
END_VAR

F_VN_ExportImage 2: Inputs

Name

Type

Description

ipImage

ITcVnImage

Image

pBuffer

PVOID

Pointer to a buffer to store the image data (Make sure to allocate enough memory! The required size in bytes can be determined using the function F_VN_ExportImageSize)

nBufferSize

ULINT

Size of the buffer memory in bytes

hrPrev

HRESULT

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

F_VN_ExportImage 3: 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