DrawArrow (TcVnVector4_DINT)
Draws an arrowed line.
Syntax
Definition:
HRESULT DrawArrow(
HRESULT hrPrev,
TcVnVector4_DINT& aLine,
ITcVnImage* ipDestImage,
TcVnVector4_LREAL& aColor,
LONG nThickness,
bool bDoubleHead,
ETcVnLineType eLineType = LT_8_CONNECTED,
ULONG nShift = 0,
double fTipLenght = 0.1
)Parameters
|
Name |
Type |
Default |
Description |
|---|---|---|---|
|
hrPrev |
|
HRESULT indicating the result of previous operations (If SUCCEEDED(hrPrev) equals false, no operation is executed.) | |
|
aLine |
|
The start and end point of a line segment [x1, y1, x2, y2] | |
|
ipDestImage |
|
Destination image | |
|
aColor |
|
Color | |
|
nThickness |
LONG |
|
Line thickness |
|
bDoubleHead |
bool |
|
To draw an arrow on each side of the line. |
|
eLineType |
LT_8_CONNECTED |
Line type | |
|
nShift |
ULONG |
0 |
Fractional bits of the coordinates (bit shift) |
|
fTipLenght |
double |
0.1 |
Lenght of the arrow's tip as a fraction of the line's lenght |
Return valueRequired License
TC3 Vision Base