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172 lines
5.5 KiB
172 lines
5.5 KiB
/*++
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Copyright (c) 1996 - 1999 Microsoft Corporation
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Module Name:
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fmoldmf.h
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Abstract:
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NT4.0 Font metrics file format.
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Structures used to determine the file layout of files generated
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by any font installers, and then read by us.
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Environment:
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Windows NT printer drivers
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Revision History:
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11/11/96 -eigos-
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From NT4.0 header file.
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mm/dd/yy -eigos-
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Description
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--*/
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//
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// Define the structure that heads each record in the font installer
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// files. Basically it contains selection information and offsets
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// to the remaining data in this record.
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// This structure is actually written to the file. It is also the header
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// employed in the font resources in minidrivers - each font has one of these
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// at the beginning.
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//
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//
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// Reduced from 4 to three as WFontType is added.
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// Reducde from three to two when dwETM was added
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//
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#define EXP_SIZE 2 // DWORDS allowed for future expansion
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//
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// Font installer header.
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//
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typedef struct
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{
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WORD cjThis; // Our size, for consistency checking
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WORD wFlags; // Miscellaneous information
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DWORD dwSelBits; // Font availability information
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DWORD dwIFIMet; // Offset to the IFIMETRICS for this font
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DWORD dwCDSelect; // How to select/deselect this fontg
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DWORD dwCDDeselect;
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DWORD dwWidthTab; // Width vector (proportional font) else 0g
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DWORD dwIdentStr; // Identification stringg
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union
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{
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short sCTTid; // Index into CTT datag
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DWORD dwCTT; // Offset here to mapping data of some sortg
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} u;
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WORD wXRes; // Resolution used for font metrics numbersg
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WORD wYRes; // Ditto for the y coordinatesg
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short sYAdjust; // Adjust Y position before output - for g
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// double height characters on dot matrixg
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short sYMoved; // Cursor has shifted after printing fontg
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short fCaps; // Capabilities flagsg
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WORD wPrivateData; // Special purpose: e.g. DeskJet permutationsg
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WORD wFontType; // Type of Device fontg
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WORD wReserved; // reserved for future useg
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DWORD dwETM; // offset to ETM for this font. Could be NULL.
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DWORD dwMBZ[ EXP_SIZE ]; // Must Be Zero: in case we need spaceg
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} FI_DATA_HEADER;
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//
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// The version ID.
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//
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#define FDH_VER 0x100 // 1.00 in BCD
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//
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// Flags bits.
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//
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#define FDH_SOFT 0x0001 // Softfont, thus needs downloadingg
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#define FDH_CART 0x0002 // This is a cartridge fontg
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#define FDH_CART_MAIN 0x0004 // Main (first) entry for this cartridgeg
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//
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// Selection criteria bits: dwSelBits. These bits are used as
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// follows. During font installation, the installer set the following
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// values as appropriate. During initialisation, the driver sets
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// up a mask of these bits, depending upon the printer's abilities.
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// For example, the FDH_SCALABLE bit is set only if the printer can
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// handle scalable fonts. When the fonts are examined to see if
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// they are usable, the following test is applied:
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//
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// (font.dwSelBits & printer.dwSelBits) == font.dwSelBits
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//
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// If true, the font is usable.
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//
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#define FDH_LANDSCAPE 0x00000001 // Font is landscape orientationg
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#define FDH_PORTRAIT 0x00000002 // Font is portraitg
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#define FDH_OR_REVERSE 0x00000004 // 180 degree rotation of aboveg
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#define FDH_BITMAP 0x00000008 // Bitmap fontg
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#define FDH_COMPRESSED 0x00000010 // Data is compressed bitmapg
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#define FDH_SCALABLE 0x00000020 // Font is scalableg
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#define FDH_CONTOUR 0x00000040 // Intellifont contourg
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#define FDH_ERROR 0x80000000 // Set if some error conditiong
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//
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// The following structure should be returned from the specific
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// minidriver to the common font installer code. It is used by
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// the common font installer code to generate the above structure
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// which is then placed in the font file.
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//
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typedef struct _DATA_SUM
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{
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void *pvData; // Address of data of importanceg
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int cBytes; // Number of bytes in the aboveg
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} DATA_SUM;
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//
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// Font file header.
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//
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typedef struct _FI_DATA
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{
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DATA_SUM dsIFIMet; // IFIMETRICS
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DATA_SUM dsSel; // Selection string/whatever
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DATA_SUM dsDesel; // Deselection string
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DATA_SUM dsWidthTab; // Width tables (proportional font)
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DATA_SUM dsCTT; // Translation data
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DATA_SUM dsIdentStr; // Identification string (Dialog box etc)
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DATA_SUM dsETM; // EXTENDED TEXT METRICS
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DWORD dwSelBits; // Font availability information
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WORD wVersion; // Version ID
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WORD wFlags; // Miscellaneous information
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WORD wXRes; // X resolution of font
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WORD wYRes; // Y resolution
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short sYAdjust; // Adjust Y position before output - for
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// double height characters on dot matrix
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short sYMoved; // Cursor has shifted after printing font
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WORD fCaps; // Font/device caps
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WORD wFontType; // Type of Device font
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WORD wPrivateData; // Pad to DWORD multiple
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} FI_DATA;
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