LAnnAutomation::SetPolyFillMode
#include "ltwrappr.h"
virtual L_INT LAnnAutomation::SetPolyFillMode(uPolyFillMode=ANNPOLYFILL_WINDING, uFlags=0)
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L_UINT uPolyFillMode; |
/* constant that specifies the polygon fill mode */ |
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L_UINT uFlags; |
/* reserved for future use */ |
Sets the value that determines how a polygonal annotation with crossing lines is filled.
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Parameter |
Description |
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uPolyFillMode |
The constant that specifies the polygon fill mode. Possible polygon fill mode values are: |
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Value |
Meaning |
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ANNPOLYFILL_WINDING |
[0] All pixels that are inside the resulting exterior lines are filled. |
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ANNPOLYFILL_ALTERNATE |
[1] The filled area includes the area between odd-numbered and even-numbered polygon sides on each scan line. |
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uFlags |
Reserved for future versions, use 0. |
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Returns
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SUCCESS |
The function was successful. |
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< 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
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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;
}