#include "BIDIB.H"
HANDLE CALLBACK Halftone( HANDLE hDIB,
WORD nMethode,
int nIntControl,
LPWORD lpErrCode)
Description
Convert the device independent bitmap (DIB) to monochrome by applying one of the three Halftoning algorithms: Line Art, Error Diffusion, or Ordered Dither.
Parameters
|
HANDLE |
hDIB |
Handle of the DIB. |
|
WORD |
nMethode |
Haltone method. |
|
int |
nIntControl |
Intensity control can be in the range of -128 to +128. |
|
LPWORD |
lpErrCode |
Error code. |
Return values
HANDLE of the scaled DIB or NULL on error.
Programming notes
This function deletes the original DIB.
The nMethod:
0 Line Art.
1 Error Diffusion
2 Ordered Dither
Requirements
Header : Declared in BiDIB.h; include BiDIB.h.
Library : Use BiDIB.lib.
DLLs : BiDIB.dll.
Code example None at present.