SubtractScalarFromImage

Subtract a scalar value from each image pixel using saturation arithmetics.

Syntax

Definition:

HRESULT SubtractScalarFromImage(
    HRESULT      hrPrev,
    ITcVnImage*  ipSrcImage,
    double       fScalar,
    ITcVnImage*& ipDestImage
)

Parameters

Name

Type

Description

hrPrev

HRESULT

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

ipSrcImage

ITcVnImage*

Source image

fScalar

double

Scalar value

ipDestImage

ITcVnImage*&

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

SubtractScalarFromImage 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