Function : Font

BYTEMASK - Create a mask byte in a DWORD, to be used to reference the bytes in a FONTID.

#include <fontid.h>
DWORD BYTEMASK(

    DWORD  leftshift);

Description :

Returns a DWORD containing a byte mask in one of its bytes. The byte mask may then be used to reference the bytes in a FONTID.

Implemented as a macro:

define BYTEMASK(leftshift) ((DWORD)((DWORD)0x000000ff << (leftshift)))

Parameters : Input : leftshift - The number of bits the number 0x000000ff must be left-shifted to create the desired byte mask. Use one of the values defined in FONT_xxx_SHIFT to generate a mask for one of the bytes in a FONTID.

Output : (routine) - A DWORD in which one of the bytes has all its bits set, and all the bits in the other bytes are cleared.

Sample Usage :

#define FontSetColor(fontid,colorid) (((DWORD)(fontid) & 
~BYTEMASK(FONT_COLOR_SHIFT)) | ((DWORD)(colorid)<<FONT_COLOR_SHIFT))