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LEADTOOLS Raster imaging C++ Class library help

LAnnPolygon::GetPolyFillMode

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#include "ltwrappr.h"

virtual L_UINT LAnnPolygon::GetPolyFillMode()

Gets a value that indicates how a Polygon annotation with crossing lines is filled.

Returns

The polygonal fill-mode constant. 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.

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.

Platforms

Win32, x64.

See Also

Functions:

Class Members

Topics:

Annotation Functions: Object Properties

Example

L_INT LAnnPolygon_GetPolyFillModeExample(LAnnPolygon  * pAnnObject)
{
        L_INT nRet;
   L_UINT PolyFillMode; /* Object's polygonal fill mode */
   /* Change the fill mode */
   PolyFillMode =  pAnnObject->GetPolyFillMode();
   if (PolyFillMode == ANNPOLYFILL_WINDING)
        {
      nRet = pAnnObject->SetPolyFillMode(ANNPOLYFILL_ALTERNATE, 0);
                if(nRet != SUCCESS)
                        return nRet;
        }
   else
        {
      nRet = pAnnObject->SetPolyFillMode(ANNPOLYFILL_WINDING, 0);
                if(nRet != SUCCESS)
                        return nRet;
        }
        return SUCCESS;
}
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