DrawArrow
Draws an arrowed line.
Syntax
Definition:
HRESULT DrawArrow(
HRESULT hrPrev,
ULONG nX1,
ULONG nY1,
ULONG nX2,
ULONG nY2,
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.) | |
|
nX1 |
ULONG |
|
x coordinate of the start point |
|
nY1 |
ULONG |
|
y coordinate of the start point |
|
nX2 |
ULONG |
|
x coordinate of the end point |
|
nY2 |
ULONG |
|
y coordinate of the end point |
|
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