461 lines
18 KiB
OpenEdge ABL
461 lines
18 KiB
OpenEdge ABL
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/******************************Module*Header*******************************\
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* Module Name: winfont.h
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*
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* font file headers for 2.0 and 3.0 windows *.fnt files
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*
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* Created: 25-Oct-1990 11:08:08
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* Author: Bodin Dresevic [BodinD]
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*
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* Copyright (c) Microsoft Corporation. All rights reserved.
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*
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* (General description of its use)
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*
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*
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\**************************************************************************/
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/******************************Public*Macro********************************\
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* WRITE_WORD
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*
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* Writes a word to the misaligned address, pv.
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*
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* !!! Note: this only works for little-endian.
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*
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* History:
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* 11-Feb-1992 -by- Gilman Wong [gilmanw]
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* Wrote it.
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\**************************************************************************/
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#define WRITE_WORD(pv, word) \
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{ \
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*(PBYTE) (pv) = (BYTE) ((word) & 0x00ff); \
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*((PBYTE) (pv) + 1) = (BYTE) (((word) & 0xff00) >> 8); \
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}
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/******************************Public*Macro********************************\
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* READ_WORD
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*
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* Reads a word from the misaligned address, pv.
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*
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* !!! Note: this only works for little-endian.
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*
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* History:
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* 11-Feb-1992 -by- Gilman Wong [gilmanw]
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* Wrote it.
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\**************************************************************************/
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#define READ_WORD(pv) \
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( (WORD) \
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( ((WORD)*(PBYTE) (pv)) & (WORD)0x00ff ) | \
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( ((WORD)*((PBYTE) (pv) + (WORD)1) & (WORD)0x00ff) << 8 ) \
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)
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/******************************Public*Macro********************************\
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* WRITE_DWORD
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*
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* Writes a dword to the misaligned address, pv.
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*
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* !!! Note: this only works for little-endian.
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*
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* History:
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* 11-Feb-1992 -by- Gilman Wong [gilmanw]
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* Wrote it.
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\**************************************************************************/
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#define WRITE_DWORD(pv, dword) \
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{ \
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*(PBYTE) (pv) = (BYTE) ((dword) & 0x000000ff); \
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*((PBYTE) (pv) + 1) = (BYTE) (((dword) & 0x0000ff00) >> 8 ); \
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*((PBYTE) (pv) + 2) = (BYTE) (((dword) & 0x00ff0000) >> 16); \
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*((PBYTE) (pv) + 3) = (BYTE) (((dword) & 0xff000000) >> 24); \
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}
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/******************************Public*Macro********************************\
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* READ_DWORD
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*
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* Reads a DWORD from the misaligned address, pv.
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*
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* !!! Note: this only works for little-endian.
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*
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* History:
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* 11-Feb-1992 -by- Gilman Wong [gilmanw]
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* Wrote it.
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\**************************************************************************/
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#define READ_DWORD(pv) \
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( (DWORD) \
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( (*(PBYTE) (pv)) & 0x000000ff ) | \
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( (*((PBYTE) (pv) + 1) & 0x000000ff) << 8 ) | \
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( (*((PBYTE) (pv) + 2) & 0x000000ff) << 16) | \
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( (*((PBYTE) (pv) + 3) & 0x000000ff) << 24) \
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)
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// font file header (2.0 ddk adaptation guide, 7.7.3.
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// and 3.0 ddk, Adaptation Guide section 13.3)
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// CAUTION: These structures, as they are defined in the Adaptation Guide are
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// out of allignment.(Not even WORD alligned,let alone DWORD alligned.)
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// Here we make our own structures, so that when
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// disk files are read in the data is copied in correctly, and so that
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// the data can be accessed in memory regardless of the architecture.
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/**************************************************************************\
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// the original structure was
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typedef struct {
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WORD Version; // Always 17985 for the Nonce
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DWORD Size; // Size of whole file
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char Copyright[60];
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WORD Type; // Raster Font if Type & 1 == 0
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WORD Points; // Nominal Point size
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WORD VertRes; // Nominal Vertical resolution
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WORD HorizRes; // Nominal Horizontal resolution
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WORD Ascent; // Height of Ascent
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WORD IntLeading; // Internal (Microsoft) Leading
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WORD ExtLeading; // External (Microsoft) Leading
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BYTE Italic; // Italic font if set
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BYTE Underline; // Etc.
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BYTE StrikeOut; // Etc.
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WORD Weight; // Weight: 200 = regular
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BYTE CharSet; // ANSI=0. other=255
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WORD PixWidth; // Fixed width. 0 ==> Variable
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WORD PixHeight; // Fixed Height
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BYTE Family; // Pitch and Family
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WORD AvgWidth; // Width of character 'X'
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WORD MaxWidth; // Maximum width
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BYTE FirstChar; // First character defined in font
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BYTE LastChar; // Last character defined in font
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BYTE DefaultChar; // Sub. for out of range chars.
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BYTE BreakChar; // Word Break Character
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WORD WidthBytes; // No.Bytes/row of Bitmap
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DWORD Device; // Pointer to Device Name string
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DWORD Face; // Pointer to Face Name String
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DWORD BitsPointer; // Pointer to Bit Map
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DWORD BitsOffset; // Offset to Bit Map
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} FontHeaderType; // Above pointers all rel. to start of file
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// the original 3.0 header:
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typedef struct {
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WORD fsVersion;
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DWORD fsSize;
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char fsCopyright[60];
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WORD fsType; // Type field for the font
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WORD fsPoints; // Point size of font
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WORD fsVertRes; // Vertical digitization
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WORD fsHorizRes; // Horizontal digitization
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WORD fsAscent; // Baseline offset from char cell top
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WORD fsInternalLeading; // Internal leading included in font
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WORD fsExternalLeading; // Prefered extra space between lines
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BYTE fsItalic; // Flag specifying if italic
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BYTE fsUnderline; // Flag specifying if underlined
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BYTE fsStrikeOut; // Flag specifying if struck out
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WORD fsWeight; // Weight of font
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BYTE fsCharSet; // Character set of font
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WORD fsPixWidth; // Width field for the font
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WORD fsPixHeight; // Height field for the font
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BYTE fsPitchAndFamily; // Flag specifying pitch and family
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WORD fsAvgWidth; // Average character width
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WORD fsMaxWidth; // Maximum character width
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BYTE fsFirstChar; // First character in the font
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BYTE fsLastChar; // Last character in the font
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BYTE fsDefaultChar; // Default character for out of range
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BYTE fsBreakChar; // Character to define wordbreaks
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WORD fsWidthBytes; // Number of bytes in each row
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DWORD fsDevice; // Offset to device name
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DWORD fsFace; // Offset to face name
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DWORD fsBitsPointer; // Bits pointer
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DWORD fsBitsOffset; // Offset to the begining of the bitmap
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BYTE fsDBfiller; // Word alignment for the offset table
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DWORD fsFlags; // Bit flags
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WORD fsAspace; // Global A space, if any
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WORD fsBspace; // Global B space, if any
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WORD fsCspace; // Global C space, if any
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DWORD fsColorPointer; // offset to color table, if any
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DWORD fsReserved[4]; //
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BYTE fsCharOffset; // Area for storing the char. offsets
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} FontHeader30;
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typedef struct tagFFH {
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WORD fhVersion ;
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DWORD fhSize ;
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char fhCopyright[60] ;
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WORD fhType ;
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WORD fhPoints ;
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WORD fhVertRes ;
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WORD fhHorizRes ;
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WORD fhAscent ;
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WORD fhInternalLeading;
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WORD fhExternalLeading;
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BYTE fhItalic ;
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BYTE fhUnderline ;
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BYTE fhStrikeOut ;
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WORD fhWeight ;
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BYTE fhCharSet ;
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WORD fhPixWidth ;
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WORD fhPixHeight ;
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BYTE fhPitchAndFamily ;
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WORD fhAvgWidth ;
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WORD fhMaxWidth ;
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BYTE fhFirstChar ;
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BYTE fhLastChar ;
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BYTE fhDefaultChar ;
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BYTE fhBreakChar ;
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WORD fhWidthBytes ;
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DWORD fhDevice ;
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DWORD fhFace ;
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DWORD fhBitsPointer ;
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} FFH;
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\**************************************************************************/
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// type of the font file
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#define TYPE_RASTER 0x0000
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#define TYPE_VECTOR 0x0001
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#define TYPE_BITS_IN_ROM 0x0004
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#define TYPE_REALIZED_BY_DEVICE 0x0080
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// reserved fields in the fsType field, used are 0-th,2-nd, and 7-th bit
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#define BITS_RESERVED (~(TYPE_VECTOR|TYPE_BITS_IN_ROM|TYPE_REALIZED_BY_DEVICE))
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// supported in win 3.0
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#define DFF_FIXED 0x01 // fixed font
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#define DFF_PROPORTIONAL 0x02 // proportional font
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// not supported in win 3.0, except maybe if someone has
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// custom created such a font, using font editor or a similar tool
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#define DFF_ABCFIXED 0x04 // ABC fixed font
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#define DFF_ABCPROPORTIONAL 0x08 // ABC proportional font
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#define DFF_1COLOR 0x10
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#define DFF_16COLOR 0x20
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#define DFF_256COLOR 0x40
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#define DFF_RGBCOLOR 0x80
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// here we list offsets of all fields of the original structures
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// as they are computed under the assumption that the C compiler does not
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// insert any paddings between fields
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#define OFF_Version 0L // WORD Always 17985 for the Nonce
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#define OFF_Size 2L // DWORD Size of whole file
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#define OFF_Copyright 6L // char[60]
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// Note: Win 3.1 hack. The LSB of Type is used by Win 3.1 as an engine type
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// and font embedding flag. Font embedding is a form of a "hidden
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// font file". The MSB of Type is the same as the fsSelection from
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// IFIMETRICS. (Strictly speaking, the MSB of Type is equal to the
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// LSB of IFIMETRICS.fsSelection).
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#define OFF_Type 66L // WORD Raster Font if Type & 1 == 0
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#define OFF_Points 68L // WORD Nominal Point size
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#define OFF_VertRes 70L // WORD Nominal Vertical resolution
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#define OFF_HorizRes 72L // WORD Nominal Horizontal resolution
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#define OFF_Ascent 74L // WORD Height of Ascent
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#define OFF_IntLeading 76L // WORD Internal (Microsoft) Leading
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#define OFF_ExtLeading 78L // WORD External (Microsoft) Leading
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#define OFF_Italic 80L // BYTE Italic font if set
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#define OFF_Underline 81L // BYTE Etc.
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#define OFF_StrikeOut 82L // BYTE Etc.
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#define OFF_Weight 83L // WORD Weight: 200 = regular
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#define OFF_CharSet 85L // BYTE ANSI=0. other=255
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#define OFF_PixWidth 86L // WORD Fixed width. 0 ==> Variable
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#define OFF_PixHeight 88L // WORD Fixed Height
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#define OFF_Family 90L // BYTE Pitch and Family
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#define OFF_AvgWidth 91L // WORD Width of character 'X'
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#define OFF_MaxWidth 93L // WORD Maximum width
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#define OFF_FirstChar 95L // BYTE First character defined in font
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#define OFF_LastChar 96L // BYTE Last character defined in font
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#define OFF_DefaultChar 97L // BYTE Sub. for out of range chars.
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#define OFF_BreakChar 98L // BYTE Word Break Character
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#define OFF_WidthBytes 99L // WORD No.Bytes/row of Bitmap
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#define OFF_Device 101L // DWORD Pointer to Device Name string
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#define OFF_Face 105L // DWORD Pointer to Face Name String
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#define OFF_BitsPointer 109L // DWORD Pointer to Bit Map
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#define OFF_BitsOffset 113L // DWORD Offset to Bit Map
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#define OFF_jUnused20 117L // BYTE byte filler
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#define OFF_OffTable20 118L // WORD here begins char table for 2.0
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// 3.0 addition
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#define OFF_jUnused30 117L // BYTE enforces word allignment
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#define OFF_Flags 118L // DWORD Bit flags
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#define OFF_Aspace 122L // WORD Global A space, if any
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#define OFF_Bspace 124L // WORD Global B space, if any
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#define OFF_Cspace 126L // WORD Global C space, if any
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#define OFF_ColorPointer 128L // DWORD offset to color table, if any
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#define OFF_Reserved 132L // DWORD[4]
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#define OFF_OffTable30 148L // WORD Area for storing the char. offsets in 3.0
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// latest offset for pscript device font pfm files [bodind]
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#if 0
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// This is from win31 sources \drivers\printers\pstt\utils\pfm.c [bodind]
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........
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WORD dfWidthBytes;
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DWORD dfDevice;
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DWORD dfFace;
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DWORD dfBitsPointer;
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DWORD dfBitsOffset; // up to here the offsets are the same as in *.fon files
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WORD dfSizeFields;
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DWORD dfExtMetricsOffset;
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DWORD dfExtentTable;
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DWORD dfOriginTable;
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DWORD dfPairKernTable;
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DWORD dfTrackKernTable;
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DWORD dfDriverInfo;
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DWORD dfReserved;
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#endif
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#define OFF_SizeFields 117L
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#define OFF_ExtMetricsOffset 119L
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#define OFF_ExtentTable 123L
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#define OFF_OriginTable 127L
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#define OFF_PairKernTable 131L
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#define OFF_TrackKernTable 135L
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#define OFF_DriverInfo 139L
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#define OFF_ReservedPscript 143L
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// FFH offsets
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#define OFF_FFH_Version 0L // WORD Always 17985 for the Nonce
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#define OFF_FFH_Size 2L // DWORD Size of whole file
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#define OFF_FFH_Copyright 6L // char[60]
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#define OFF_FFH_Type 66L // WORD Raster Font if Type & 1 == 0
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#define OFF_FFH_Points 68L // WORD Nominal Point size
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#define OFF_FFH_VertRes 70L // WORD Nominal Vertical resolution
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#define OFF_FFH_HorizRes 72L // WORD Nominal Horizontal resolution
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#define OFF_FFH_Ascent 74L // WORD Height of Ascent
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#define OFF_FFH_IntLeading 76L // WORD Internal (Microsoft) Leading
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#define OFF_FFH_ExtLeading 78L // WORD External (Microsoft) Leading
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#define OFF_FFH_Italic 80L // BYTE Italic font if set
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#define OFF_FFH_Underline 81L // BYTE Etc.
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#define OFF_FFH_StrikeOut 82L // BYTE Etc.
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#define OFF_FFH_Weight 83L // WORD Weight: 200 = regular
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#define OFF_FFH_CharSet 85L // BYTE ANSI=0. other=255
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#define OFF_FFH_PixWidth 86L // WORD Fixed width. 0 ==> Variable
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#define OFF_FFH_PixHeight 88L // WORD Fixed Height
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#define OFF_FFH_Family 90L // BYTE Pitch and Family
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#define OFF_FFH_AvgWidth 91L // WORD Width of character 'X'
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#define OFF_FFH_MaxWidth 93L // WORD Maximum width
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#define OFF_FFH_FirstChar 95L // BYTE First character defined in font
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#define OFF_FFH_LastChar 96L // BYTE Last character defined in font
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#define OFF_FFH_DefaultChar 97L // BYTE Sub. for out of range chars.
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#define OFF_FFH_BreakChar 98L // BYTE Word Break Character
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#define OFF_FFH_WidthBytes 99L // WORD No.Bytes/row of Bitmap
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#define OFF_FFH_Device 101L // DWORD Pointer to Device Name string
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#define OFF_FFH_Face 105L // DWORD Pointer to Face Name String
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#define OFF_FFH_BitsPointer 109L // DWORD Pointer to Bit Map
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#define SIZEFFH (OFF_FFH_BitsPointer + 4)
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// This is used in NtGdiMakeFontDir
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#define CJ_FONTDIR (SIZEFFH + LF_FACESIZE + LF_FULLFACESIZE + LF_FACESIZE + 10)
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// header sizes in bytes of the original headers
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#define HDRSIZE20 117L // or 113L ?
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#define HDRSIZE30 148L // CharOffset is not counted as header
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#define HDRSIZEDIFF (HDRSIZE30 - HDRSIZE20) // 31 byte
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// ranges for some quantities
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#define MAX_PT_SIZE 999 // max size in points
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// weight range
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#define MIN_WEIGHT 1 // adaptation guide
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#define MAX_WEIGHT 1000 // adaptation guide
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// maximal size of bitmap font in pixels, (bound on cx and cy)
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#define MAX_PEL_SIZE 64
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// 2.0 fonts have offsets that fit into 64k
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#define SEGMENT_SIZE 65536L // IN bytes
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// offset limit for 2.0 font files
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#define MAX_20_OFFSET 65534 // 64K - 2
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// sizes of the offset table entries for the 2.0 and 3.0 fonts respectively
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#define CJ_ENTRY_20 4 // two bytes for cx + two bytes for the offset
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#define CJ_ENTRY_30 6 // two bytes for cx + four bytes for the offset
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#define WINWT_TO_PANWT(x) ((x)/100 + 1)
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// From [Windows 3.1] gdifeng.inc
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#define WIN_VERSION 0x0310
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#define GDI_VERSION 0x0101
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// From [Windows 3.1] gdipfont.inc
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#define PF_ENGINE_TYPE 0x03
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#define PF_ENCAPSULATED 0x80 // used in FFH.fhType to identify hidden (embedded) font
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#define PANDFTYPESHIFT 1
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// for embeded fonts
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#define PF_TID 0x40 // if set use TID ( WOW apps )
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// otherwise use PID ( NT apps )
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||
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// From [Windows 3.1] fonteng2.asm
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#define DEF_BRK_CHARACTER 0x0201 // default char for all TT fonts
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// BITMAP size related macros
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// number of bytes in a scan of a monobitmap that actually contain some info
|
||
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// Note that this is the same as ((((cx) + 7) & ~7) >> 3), the last two bits
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||
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// are lost anyway because of >> 3
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||
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#define CJ_SCAN(cx) (((cx) + 7) >> 3)
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||
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// move this to a common place so we don't have it in multiple places
|
||
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// given a byte count, compute the minimum 4 byte (DWORD) aligned size (in bytes)
|
||
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||
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#define ALIGN4(X) (((X) + 3) & ~3)
|
||
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||
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// size of the whole bimtap, only dword pad the last scan
|
||
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||
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#define CJ_BMP(cx,cy) ALIGN4(CJ_SCAN(cx) * (cy))
|
||
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|
||
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// get the size of GLYPHDATA structure that at the bottom has appended
|
||
|
// a dib format bitmap for the glyph
|
||
|
// Add offsetof(GLYPHDATA,aulBMData[2]) to cjDIB to account for cx and cy
|
||
|
// are stored in aulBMData[0] and aulBMData[1] respectively
|
||
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|
||
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#define CJ_GLYPHDATA(cx,cy) (offsetof(GLYPHBITS,aj) + CJ_BMP(cx,cy))
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