LBitmapBase::Clear (original) (raw)

Summary

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

Syntax

#include "ltwrappr.h"

virtual L_INT LBitmapBase::Clear(void)

Returns

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; }

LEADTOOLS Raster Imaging C++ Class Library Help