LBitmapBase::Clear

#include "ltwrappr.h"

virtual L_INT LBitmapBase::Clear(void)

Sets all bits to 0 in the specified bitmap, making it a black bitmap.

Returns

SUCCESS

The function was successful.

< 1

An error occurred. Refer to Return Codes.

Comments

Call this function to clear the bitmap data, this will fill the bitmap data with zeros.

Required DLLs and Libraries

LTDIS
LTFIL

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:

LBitmapBase::Fill, LBitmapBase::ClearNegativePixels, Class Members

Topics:

Raster Image Functions: Getting and Setting Pixel Values

Example

L_INT LBitmapBase__ClearExample() 
{ 
   L_INT nRet; 
   LBitmapBase MyBitmap; 
 
   MyBitmap.SetFileName(MAKE_IMAGE_PATH(TEXT("Image1.cmp"))); 
   nRet =MyBitmap.Load(); 
   if(nRet !=SUCCESS) 
      return nRet; 
 
   nRet =MyBitmap.Clear(); 
   if(nRet !=SUCCESS) 
      return nRet; 
 
   return SUCCESS; 
} 
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