DrawComponents
Draw the results of connected component function.
Can use available TwinCAT Job Tasks for executing parallel code regions.
Syntax
Definition:
HRESULT DrawComponents(
HRESULT hrPrev,
ITcVnImage* ipLabelImage,
LONG nLabelID,
ITcVnImage*& ipDestImage,
bool bShowLabelID,
TcVnVector4_LREAL& aColor = {-1, -1, -1, -1},
LONG nThickness = 1,
double fFontScale = 1
)Parameters
|
Name |
Type |
Default |
Description |
|---|---|---|---|
|
hrPrev |
|
HRESULT indicating the result of previous operations (If SUCCEEDED(hrPrev) equals false, no operation is executed.) | |
|
ipLabelImage |
|
Image contains labels for each pixel (1 channel DINT or UINT). | |
|
nLabelID |
LONG |
|
Value of a specific label to be drawn (if negative, all components within the image are drawn) |
|
ipDestImage |
|
Destination image (An appropriate image will be created if required. The output image is 1 or 3 channels USINT). | |
|
bShowLabelID |
bool |
|
Show lable ID in the center of the component on the destination image |
|
aColor |
{-1, -1, -1, -1} |
Color to draw the components (for {-1, -1, -1, -1}, a random color is chosen for each component) | |
|
nThickness |
LONG |
1 |
Text line thickness |
|
fFontScale |
double |
1 |
Scaling factor for the text |
Return valueRequired License
TC3 Vision Base