F_VN_DrawLine_TcVnVector4_DINT
Draws a line.
Syntax
Definition:
FUNCTION F_VN_DrawLine_TcVnVector4_DINT : HRESULT
VAR_IN_OUT
aLine : TcVnVector4_DINT;
END_VAR
VAR_INPUT
ipDestImage : ITcVnImage;
END_VAR
VAR_IN_OUT
aColor : TcVnVector4_LREAL;
END_VAR
VAR_INPUT
nThickness : DINT;
hrPrev : HRESULT;
END_VAR
Inputs
|
Name |
Type |
Description |
|---|---|---|
|
ipDestImage |
Destination image | |
|
nThickness |
DINT |
Line thickness |
|
hrPrev |
HRESULT indicating the result of previous operations (If SUCCEEDED(hrPrev) equals false, no operation is executed.) |
In/Outputs
|
Name |
Type |
Description |
|---|---|---|
|
aLine |
The start and end point of a line segment [x1, y1, x2, y2] | |
|
aColor |
Color |
Return valueHRESULT
|
| Part of the line lies outside of the image area. Use the function F_VN_ClipLineToBoundary_ITcVnImage to ensure that the specified line fits in the image area. |
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 |