L_VecSetPalette

#include "lvkrn.h"

L_LVKRN_API L_INT L_VecSetPalette(pVector, hPalette)

pVECTORHANDLE pVector;	pointer to a vector handle
L_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.

Example

L_INT VecSetPaletteExample( 
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; 
}

Help Version 19.0.2017.10.27

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