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.
  image\winding.gif
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.

Platforms

Win32, x64.

See Also

Functions:

LAnnAutomation::GetFillMode, LAnnAutomation::SetFillMode, LAnnAutomation::GetFillPattern, LAnnAutomation::SetFillPattern, LAnnAutomation::GetPolyFillMode, LAnnotation::GetROP2, LAnnotation::SetROP2, Class Members, LAnnotation::GetFillMode, LAnnotation::SetFillMode, LAnnotation::GetOptions, LAnnotation::SetOptions

Topics:

Annotation Functions: Object Properties

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; 
} 
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