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143 lines
4.3 KiB
143 lines
4.3 KiB
/*++
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Copyright (c) 1996 Microsoft Corporation
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Module Name:
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oldsfiff.h
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Abstract:
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Data structures used for reading the NT 4.0 font installer file format.
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Typically used by drivers during upgrade from NT 4.0 to 5.0.
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EnabldPDEV() time - at the time of writing! Subject to change as the
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DDI/GDI change.
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Environment:
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Windows NT Unidrv driver
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Revision History:
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12/02/96 -ganeshp-
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Created
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dd-mm-yy -author-
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description
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--*/
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/*
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* The following structure is returned from the FIOpenRead() function,
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* and contains the basic information needed to access the data in the
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* file once it is memory mapped.
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*/
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typedef struct
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{
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VOID *hFile; /* Font installer file, for downloaded part */
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BYTE *pbBase; /* Base address of data as mapped */
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void *pvFix; /* Fixed part at start of file */
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ULONG ulFixSize; /* Bytes in fixed data record */
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ULONG ulVarOff; /* File offset of data, relative file start */
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ULONG ulVarSize; /* Bytes in variable part */
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} FI_MEM;
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/*
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* Definitions used in the font file. This is the file which holds
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* information about cartridge and download fonts. The file format
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* is quite basic: a header for verification; then an array of
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* records, each with a header. These records contain FONTMAP
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* information. Cartridges have an array of these, one for each
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* font. Finally, the tail of the file contains extra data, as
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* required. For download fonts, this would be the download data.
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*
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*/
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/*
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* The file header. One of these is located at the beginning of the file.
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* The ulVarData field is relative to the beginning of the file. This
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* makes it easier to regenerate the file when fonts are deleted.
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*/
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typedef struct
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{
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ULONG ulID; /* ID info - see value below */
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ULONG ulVersion; /* Version information - see below */
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ULONG ulFixData; /* Start of FF_REC_HEADER array */
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ULONG ulFixSize; /* Number of bytes in fixed section */
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ULONG ulRecCount; /* Number of records in fixed part */
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ULONG ulVarData; /* Start of variable data, rel to 0 */
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ULONG ulVarSize; /* Numbier of bytes in variable portion */
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} FF_HEADER;
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/*
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* Values for the ID and Version fields.
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*/
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#define FF_ID 0x6c666e66 /* "fnfl" - fOnTfIlE */
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#define FF_VERSION 1 /* Start at the bottom */
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/*
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* Each entry in the file starts with the following header. Typically
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* there will be one of these for a softfont, and one per cartridge.
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* In the case of a cartridge, there will be an array of these, within
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* the master entry. Each sub-entry will be for one specific font.
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*
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* Note that there is a dummy entry at the end. This contains a 0
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* in the ulSize field - it is to mark the last one, and makes it
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* easier to manipulate the file.
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*/
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typedef struct
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{
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ULONG ulRID; /* Record ID */
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ULONG ulNextOff; /* Offset from here to next record: 0 == end */
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ULONG ulSize; /* Bytes in this record */
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ULONG ulVarOff; /* Offset from start of variable data */
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ULONG ulVarSize; /* Number of bytes in variable part */
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} FF_REC_HEADER;
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#define FR_ID 0x63657266 /* "frec" - fONT recORD */
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/*
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* Define the file extensions used. The first is the name of the
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* font installer file; the others are temporaries used during update
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* of the (possibly) existing file.
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*/
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#define FILE_FONTS L"fi_" /* "Existing" single file */
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#define TFILE_FIX L"fiX" /* Fixed part of file */
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#define TFILE_VAR L"fiV" /* Variable (optional) portion */
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#define FREEMODULE(hmodule) UnmapViewOfFile((PVOID) (hmodule))
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/*
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* Upgrade related Function Declarations.
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*/
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INT
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IFIOpenRead(
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FI_MEM *pFIMem,
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PWSTR pwstrName
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);
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BOOL
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BFINextRead(
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FI_MEM *pFIMem
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);
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INT
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IFIRewind(
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FI_MEM *pFIMem
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);
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BOOL
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BFICloseRead(
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FI_MEM *pFIMem
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);
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PVOID MapFile(
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PWSTR pwstr
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);
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