ClipLineToBoundary

Clips a line to a rectangular boundary.

Syntax

Definition:

HRESULT ClipLineToBoundary(
    HRESULT            hrPrev,
    TcVnVector4_LREAL& aLine,
    LONG               nX1,
    LONG               nY1,
    LONG               nX2,
    LONG               nY2,
    TcVnPoint2_REAL&   aStartPoint,
    TcVnPoint2_REAL&   aEndPoint
)

Parameters

Name

Type

Description

hrPrev

HRESULT

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

aLine

TcVnVector4_LREAL&

The first and second element describe the x and y component of the direction vector. The third and fourth element describe the x and y component of the position vector.

nX1

LONG

x of top left rectangle point

nY1

LONG

y of top left rectangle point

nX2

LONG

x of bottom right rectangle point

nY2

LONG

Y of bottom right rectangle point

aStartPoint

TcVnPoint2_REAL&

Returns the clipped starting point of the line.

aEndPoint

TcVnPoint2_REAL&

Returns the clipped end point of the line.

ClipLineToBoundary 1: 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