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Microsoft Windows NT Build 511 (DDK SDK) 11-01-1993

/*********************** MODULE HEADER ************************************
 * fontfile.h
 *      Definitions used in the font file.  This is the file which holds
 *      information about cartridge and download fonts.  The file format
 *      is quite basic:  a header for verification; then an array of
 *      records,  each with a header.  These records contain FONTMAP
 *      information.  Cartridges have an array of these, one for each
 *      font.  Finally,  the tail of the file contains extra data, as
 *      required.  For download fonts,  this would be the download data.
 *
 *  Copyright (C) 1992  Microsoft Corporation
 *
 ***************************************************************************/

/*
 *   The file header.   One of these is located at the beginning of the file.
 *  The ulVarData field is relative to the beginning of the file.  This
 *  makes it easier to regenerate the file when fonts are deleted.
 */

typedef  struct
{
    ULONG   ulID;               /* ID info - see value below */
    ULONG   ulVersion;          /* Version information - see below */
    ULONG   ulFixData;          /* Start of FF_REC_HEADER array */
    ULONG   ulFixSize;          /* Number of bytes in fixed section */
    ULONG   ulRecCount;         /* Number of records in fixed part */
    ULONG   ulVarData;          /* Start of variable data, rel to 0 */
    ULONG   ulVarSize;          /* Numbier of bytes in variable portion */
}  FF_HEADER;

/*
 *   Values for the ID and Version fields.
 */

#define FF_ID           0x6c666e66              /* "fnfl" - fOnTfIlE */
#define FF_VERSION      1                       /* Start at the bottom */

/*
 *   Each entry in the file starts with the following header.  Typically
 * there will be one of these for a softfont, and one per cartridge.
 * In the case of a cartridge,  there will be an array of these, within
 * the master entry.  Each sub-entry will be for one specific font.
 *
 *   Note that there is a dummy entry at the end.  This contains a 0
 * in the ulSize field - it is to mark the last one,  and makes it
 * easier to manipulate the file.
 */

typedef  struct
{
    ULONG   ulRID;              /* Record ID */
    ULONG   ulNextOff;          /* Offset from here to next record: 0 == end */
    ULONG   ulSize;             /* Bytes in this record */
    ULONG   ulVarOff;           /* Offset from start of variable data */
    ULONG   ulVarSize;          /* Number of bytes in variable part */
}  FF_REC_HEADER;

#define FR_ID           0x63657266              /* "frec" - fONT recORD */

/*
 *   Define the file extensions used.  The first is the name of the
 * font installer file;  the others are temporaries used during update
 * of the (possibly) existing file.
 */


#define  FILE_FONTS     L"fi_"           /* "Existing" single file */
#define  TFILE_FIX      L"fiX"           /* Fixed part of file */
#define  TFILE_VAR      L"fiV"           /* Variable (optional) portion */

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