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Annotation of ntddk/src/print/lib/fontgen.h, revision 1.1

1.1     ! root        1: /***************************** MODULE HEADER ********************************
        !             2:  * fontgen.h
        !             3:  *      The visible parts of the font file generation process - common to
        !             4:  *      NT printer driver font installers.
        !             5:  *
        !             6:  * HISTORY:
        !             7:  *  15:02 on Sat 22 Feb 1992    -by-    Lindsay Harris   [lindsayh]
        !             8:  *      Started work on it for the general NT font installer
        !             9:  *
        !            10:  *   Copyright (C)  1992  Microsoft Corporation
        !            11:  *
        !            12:  *****************************************************************************/
        !            13: 
        !            14: 
        !            15: /*
        !            16:  *   A structure that collects all the information we need to do our
        !            17:  * stuff.  The caller is returned one of these at FIOpen() time, and
        !            18:  * returns it to us for each and every call.  This gives us the
        !            19:  * information we need to do our job.
        !            20:  */
        !            21: 
        !            22: typedef  struct
        !            23: {
        !            24:     HANDLE   hCurFile;          /* The existing font file - if any */
        !            25:     HANDLE   hFixFile;          /* The new header part of file */
        !            26:     HANDLE   hVarFile;          /* The variable part of the file */
        !            27: 
        !            28:     PWSTR    pwstrCurName;      /* Current name (may not exist) */
        !            29:     PWSTR    pwstrFixName;      /* Name of temporary fixed file */
        !            30:     PWSTR    pwstrVarName;      /* Name of temporary variable part of file */
        !            31: 
        !            32:     HANDLE   hHeap;             /* The heap - convenient at times */
        !            33: 
        !            34:     BYTE    *pbCurFile;         /* Memory mapped view of existing file */
        !            35: 
        !            36:     DWORD    dwID;              /* For verification of validity */
        !            37: } FID;
        !            38: 
        !            39: #define FID_ID  0x66696420      /* "fid " */
        !            40: 
        !            41: 
        !            42: /*
        !            43:  *   The user builds a linked list of the following, and passes it to
        !            44:  * us to allow us to add the nominated files to the existing font file.
        !            45:  */
        !            46: 
        !            47: typedef  struct  _FONTLIST
        !            48: {
        !            49:     struct  _FONTLIST   *pFLNext;       /* Next in chain,  0 for the last */
        !            50: 
        !            51:     void       *pvFixData;              /* Address of fixed data */
        !            52:     void       *pvVarData;              /* Variable component file name - 0
        !            53:                                                 if there is none.  */
        !            54: } FONTLIST;
        !            55: 
        !            56: /*
        !            57:  *   Function prototypes for dealing with these structures.
        !            58:  */
        !            59: 
        !            60: 
        !            61: FID   *pFIOpen( PWSTR, HANDLE );
        !            62: BOOL   bFIClose( FID *, BOOL );
        !            63: BOOL   bFIUpdate( FID *, int *, FONTLIST * );
        !            64: 
        !            65: 
        !            66: /*
        !            67:  *   Some function prototypes.  These are included here for our convenience.
        !            68:  * The third parameter may differ on the actual function - that is up
        !            69:  * to individual drivers.
        !            70:  *   THESE FUNCTIONS ARE REQUIRED TO BE IN THE DRIVER CALLING US.  IF YOU
        !            71:  *   DO NOT WANT TO USE A PARTICULAR FUNCTION,  HAVE IT RETURN 0.  NOTHING
        !            72:  *   WILL BE INSERTED INTO THE FILE UNDER THESE CONDITIONS.
        !            73:  */
        !            74: 
        !            75: int  iFIWriteVar( HANDLE, HANDLE, void * );
        !            76: int  iFIWriteFix( HANDLE, HANDLE, void * );
        !            77: 

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