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179 lines
4.3 KiB
179 lines
4.3 KiB
/***
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**
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** Module: T1Parser
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**
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** Description:
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** This is a module of the T1 to TT font converter. The module
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** contains functions that is used by the Builder moduler, to
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** manage the lowlevel writing to the TT font file, as well as
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** generic check sum, table length and table offset computations.
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**
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** Author: Michael Jansson
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**
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** Created: 5/26/93
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**
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***/
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#ifndef FWRITER_H
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#define FWRITER_H
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#ifndef _ARGS
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# define IN const
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# define OUT
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# define INOUT
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# define _ARGS(arg) arg
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#endif
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#define TBL_OS2 (USHORT)0
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#define TBL_CMAP (USHORT)1
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#define TBL_CVT (USHORT)2
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#define TBL_FPGM (USHORT)3
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#define TBL_GASP (USHORT)4
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#define TBL_GLYF (USHORT)5
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#define TBL_HEAD (USHORT)6
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#define TBL_HHEA (USHORT)7
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#define TBL_HMTX (USHORT)8
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#define TBL_KERN (USHORT)9
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#define TBL_LOCA (USHORT)10
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#define TBL_MAXP (USHORT)11
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#define TBL_NAME (USHORT)12
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#define TBL_POST (USHORT)13
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#define TBL_PREP (USHORT)14
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#define NUMTBL 15L
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#define TBLDIRSIZE (4L+4L+4L+4L)
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/* Referenced types. */
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typedef struct ioFile OutputFile;
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/***
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** Function: WriteTableHeader
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**
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** Description:
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** This function initiates a TT font file, by initiating
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** a handle used when writing the tables and by writing
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** the leading table dictionary of the file.
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***/
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void WriteTableHeader _ARGS((INOUT OutputFile *file));
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/***
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** Function: OpenOutputFile
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**
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** Description:
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***/
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OutputFile *OpenOutputFile _ARGS((IN char *name));
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/***
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** Function: CloseOutputFile
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**
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** Description:
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***/
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errcode CloseOutputFile _ARGS((INOUT OutputFile *fp));
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/***
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** Function: FileError
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**
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** Description:
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***/
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boolean FileError _ARGS((INOUT OutputFile *fp));
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/***
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** Function: FileTell
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**
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** Description:
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***/
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long FileTell _ARGS((INOUT OutputFile *fp));
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/***
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** Function: WriteLong
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**
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** Description:
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** This function writes a 32-bit integer in the
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** Big Endian byte order, regardless of the
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** used byte order.
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***/
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void WriteLong _ARGS((IN ULONG val,
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INOUT OutputFile *file));
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/***
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** Function: WriteShort
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**
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** Description:
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** This function writes a 16-bit integer in the
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** Big Endian byte order, regardless of the used
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** byte order.
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***/
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void WriteShort _ARGS((IN USHORT val,
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INOUT OutputFile *file));
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/***
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** Function: WriteByte
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**
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** Description:
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** This function writes an 8-bit integer in the
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** Big Endian byte order, regardless of used
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** byte order.
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***/
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void WriteByte _ARGS((IN UBYTE val,
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INOUT OutputFile *file));
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/***
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** Function: WriteChecksum
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**
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** Description:
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** This function completes the whole TT font file,
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** by computing the check sum of the whole file and writing
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** it at the designated place.
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***/
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void WriteChecksum _ARGS((IN long offset,
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INOUT OutputFile *file));
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/***
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** Function: FileSeek
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**
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** Description:
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***/
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long FileSeek _ARGS((INOUT OutputFile *fp,
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IN long where));
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/***
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** Function: WriteBytes
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**
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** Description:
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***/
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USHORT WriteBytes _ARGS((IN UBYTE *buf,
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IN USHORT len,
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INOUT OutputFile *fp));
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/***
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** Function: CompleteTable
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**
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** Description:
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** This function completes a TT font file table,
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** by computing the check sum and writing it, the
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** table length and table offset to the table directory
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** of the TT font file.
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**
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** Please note the dependency that this function must
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** be called right after the last byte of the contents
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** of the table have been written.
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***/
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errcode CompleteTable _ARGS((IN long offset,
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IN USHORT num,
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INOUT OutputFile *file));
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/***
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** Function: RemoveFile
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**
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** Description:
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** Removes an already closed output file.
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***/
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void RemoveFile _ARGS((IN char *name));
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#endif
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