F_VN_ResizeImageExp

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

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.)

In/Outputs

Name	Type	Description
aBorderValue	TcVnVector4_LREAL	Border value, if TCVN_PM_LETTERBOX is used

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