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 |
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 |
Interpolation type | |
ePaddingMode |
Image padding mode | |
hrPrev |
HRESULT indicating the result of previous operations (If SUCCEEDED(hrPrev) equals false, no operation is executed.) |
In/Outputs
Name |
Type |
Description |
---|---|---|
aBorderValue |
Border value, if TCVN_PM_LETTERBOX is used |
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 |