LBitmapBase::GetColors

Summary

Loads your palette with selected colors of a class object's bitmap.

Syntax

#include "ltwrappr.h"

virtual L_INT LBitmapBase::GetColors(nIndex, nCount, pPalette)

Parameters

L_INT nIndex

The index of the first color to be retrieved.

L_INT nCount

The number of colors to retrieve.

LPRGBQUAD pPalette

Pointer to an array of RGBQUAD structures that will receive the colors.

Returns

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

Comments

Your palette can be smaller than the bitmap's palette, as long as it is big enough to hold the selected colors. For the reverse action, refer to LBitmapBase::PutColors.

Required DLLs and Libraries

Platforms

Win32, x64.

See Also

Functions

Topics

Example

L_INT LBitmapBase__GetColorsExample() 
{ 
   L_INT nRet; 
   LBitmapBase MyBitmap; 
   RGBQUAD Colors[256]; 
 
   MyBitmap.SetFileName(MAKE_IMAGE_PATH(TEXT("image1.cmp"))); 
   nRet =MyBitmap.Load(8);//load at 8 bit per pixel 
   if(nRet !=SUCCESS) 
      return nRet; 
 
   nRet =MyBitmap.GetColors(0, 255, Colors) ; 
   if(nRet !=SUCCESS) 
      return nRet; 
 
   return SUCCESS; 
}
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