ExportImageAsBmpSize

Get the required buffer size (in bytes) to store the image as bitmap.

Syntax

Definition:

HRESULT ExportImageAsBmpSize(
    HRESULT     hrPrev,
    ITcVnImage* ipImage,
    ULONGLONG&  nBufferSize,
    ULONG       nWidth = 0,
    ULONG       nHeight = 0
)

Parameters

Name

Type

Default

Description

hrPrev

HRESULT

 

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

ipImage

ITcVnImage*

 

Image

nBufferSize

ULONGLONG&

 

Returns the required buffer size in bytes

nWidth

ULONG

0

Desired width (or 0 to keep the original width)

nHeight

ULONG

0

Desired height (or 0 to keep the original height)

ExportImageAsBmpSize 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