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Annotation of ntddk/src/print/lib/fontgen.h, revision 1.1.1.1

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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