F_VN_ResizeImageExp

F_VN_ResizeImageExp 1:

Resize an image using a specific interpolation type while maintaining its aspect ratio. (expert function)
Can use available TwinCAT Job Tasks for executing parallel code regions.
Can return partial results when canceled by Watchdog.

Syntax

Definition:

FUNCTION F_VN_ResizeImageExp : HRESULT
VAR_INPUT
    ipSrcImage         : ITcVnImage;
    ipDestImage        : Reference To ITcVnImage;
    nWidth             : UDINT;
    nHeight            : UDINT;
    eInterpolationType : ETcVnInterpolationType;
    ePaddingMode       : ETcVnPaddingMode;
END_VAR
VAR_IN_OUT
    aBorderValue       : TcVnVector4_LREAL;
END_VAR
VAR_INPUT
    hrPrev             : HRESULT;
END_VAR

F_VN_ResizeImageExp 2: Inputs

Name

Type

Description

ipSrcImage

ITcVnImage

Source image

ipDestImage

Reference To ITcVnImage

Destination image (An appropriate image will be created if required.)

nWidth

UDINT

New width

nHeight

UDINT

New height

eInterpolationType

ETcVnInterpolationType

Interpolation type

ePaddingMode

ETcVnPaddingMode

Image padding mode

hrPrev

HRESULT

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

F_VN_ResizeImageExp 3: In/Outputs

Name

Type

Description

aBorderValue

TcVnVector4_LREAL

Border value, if TCVN_PM_LETTERBOX is used

F_VN_ResizeImageExp 4: 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