LAnnAutomation::SetPolyFillMode
#include "ltwrappr.h"
virtual L_INT LAnnAutomation::SetPolyFillMode(uPolyFillMode=ANNPOLYFILL_WINDING, uFlags=0)
L_UINT uPolyFillMode; |
/* constant that specifies the polygon fill mode */ |
L_UINT uFlags; |
/* reserved for future use */ |
Sets the value that determines how a polygonal annotation with crossing lines is filled.
Parameter |
Description |
|
uPolyFillMode |
The constant that specifies the polygon fill mode. Possible polygon fill mode values are: |
|
|
Value |
Meaning |
|
ANNPOLYFILL_WINDING |
[0] All pixels that are inside the resulting exterior lines are filled. |
|
ANNPOLYFILL_ALTERNATE |
[1] The filled area includes the area between odd-numbered and even-numbered polygon sides on each scan line. |
|
|
|
uFlags |
Reserved for future versions, use 0. |
Returns
SUCCESS |
The function was successful. |
< 1 |
An error occurred. Refer to Return Codes. |
Comments
This function affects only Polygon objects. For descriptions of the various types of objects and their properties, refer to Types of Annotations.
Required DLLs and Libraries
LTANN For a listing of the exact DLLs and Libraries needed, based on the toolkit version, refer to Files To Be Included With Your Application. |
Win32, x64.
See Also
Example
L_INT LAnnAutomation_AnnSetPolyFillModeExample(LAnnAutomation *pLAutomation) { L_INT nRet; L_UINT PolyFillMode; /* Object's polygonal fill mode */ /* Change the fill mode */ PolyFillMode = pLAutomation->GetPolyFillMode(); if (PolyFillMode == ANNPOLYFILL_WINDING) { nRet =pLAutomation->SetPolyFillMode (ANNPOLYFILL_ALTERNATE, 0); if(nRet != SUCCESS) return nRet; } else { nRet = pLAutomation->SetPolyFillMode(ANNPOLYFILL_WINDING, 0); if(nRet != SUCCESS) return nRet; } return SUCCESS; }