L_VecSetPalette

#include "lvkrn.h"

L_INT EXT_FUNCTION L_VecSetPalette(pVector, hPalette)

pVECTORHANDLE pVector;	/* pointer to a vector handle */
HPALETTE hPalette;	/* handle to a palette */

Sets the palette handle associated with the specified vector.

Parameter	Description
pVector	Pointer to the vector handle.
hPalette	Handle to the new palette to set.

Returns

SUCCESS	The function was successful.
< 1	An error occurred. Refer to Return Codes.

Comments

This function makes a copy of hPalette, so you can delete the object if you don't need it anymore.

Required DLLs and Libraries

LVKRN

For a listing of the exact DLLs and Libraries needed, based on the toolkit version, refer to Files To Be Included With Your Application.

See Also

Functions:

L_VecGetPalette, L_VecPaint

Example

L_INT ChangePalette( pVECTORHANDLE  pVector, COLORREF *pColors, L_UINT16 uClrCount )
{
   L_INT  nRet;
   L_UINT16  i;
   HPALETTE  hPalette;
   LPLOGPALETTE  pLogPalette;

   if( uClrCount > 0 )
   {
      pLogPalette = (LPLOGPALETTE) malloc( sizeof( LOGPALETTE ) + sizeof( PALETTEENTRY ) * ( uClrCount - 1 ) );
      if( NULL == pLogPalette  )
         return ERROR_NO_MEMORY;

      pLogPalette->palVersion    = 0x300;
      pLogPalette->palNumEntries = uClrCount;
      for( i = 0 ; i < pLogPalette->palNumEntries ; i++ )
      {
         pLogPalette->palPalEntry[ i ].peRed   = GetRValue( pColors[ i ] );
         pLogPalette->palPalEntry[ i ].peGreen = GetGValue( pColors[ i ] );
         pLogPalette->palPalEntry[ i ].peBlue  = GetBValue( pColors[ i ] );
         pLogPalette->palPalEntry[ i ].peFlags = 0;
      }

      hPalette = CreatePalette( pLogPalette );
      free( pLogPalette );
      if( NULL != hPalette )
      {
         nRet = L_VecSetPalette( pVector, hPalette );
         DeleteObject( hPalette );
      }
      else
      {
         nRet = FAILURE;
      }
   }
   else
   {
      nRet = L_VecSetPalette( pVector, NULL );
   }
   return nRet;
}

HPALETTE GetCurrentPalette( pVECTORHANDLE pVector )
{
   return L_VecGetPalette( pVector );
}