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144 lines
3.8 KiB
144 lines
3.8 KiB
/******************************* MODULE HEADER *******************************
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* writefnt.c
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* Function to take a FI_DATA_HEADER structure and write the data to
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* the passed in file handle as a font record. This layout is used
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* in both minidrivers and the font installer font file.
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*
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* Copyright (C) 1992 Microsoft Corporation.
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*
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*****************************************************************************/
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#include <precomp.h>
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#include <stdio.h>
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#include <libproto.h>
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#include "fontinst.h"
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/******************************* Function Header *****************************
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* iWriteFDH
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* Write the FI_DATA_HEADER data out to our file. We do the conversion
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* from addresses to offsets, and write out any data we find.
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*
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* RETURNS:
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* The number of bytes actually written; -1 for error, 0 for nothing.
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*
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* HISTORY:
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* 16:58 on Thu 05 Mar 1992 -by- Lindsay Harris [lindsayh]
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* Based on an experimental version first used in font installer.
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*
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* 17:11 on Fri 21 Feb 1992 -by- Lindsay Harris [lindsayh]
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* First version.
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*
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*****************************************************************************/
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int
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iWriteFDH( hFile, pFD )
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HANDLE hFile; /* File wherein to place the data */
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FI_DATA *pFD; /* Pointer to FM to write out */
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{
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/*
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* Decide how many bytes will be written out. We presume that the
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* file pointer is located at the correct position when we are called.
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*/
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int iSize; /* Evaluate output size */
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FI_DATA_HEADER fdh; /* Header written to file */
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if( pFD == 0 )
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return 0; /* Perhaps only deleting? */
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memset( &fdh, 0, sizeof( fdh ) ); /* Zero for convenience */
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/*
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* Set the miscellaneous flags etc.
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*/
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fdh.cjThis = sizeof( fdh );
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fdh.fCaps = pFD->fCaps;
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fdh.wFontType= pFD->wFontType; /* Device Font Type */
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fdh.wXRes = pFD->wXRes;
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fdh.wYRes = pFD->wYRes;
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fdh.sYAdjust = pFD->sYAdjust;
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fdh.sYMoved = pFD->sYMoved;
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fdh.u.sCTTid = (short)pFD->dsCTT.cBytes;
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fdh.dwSelBits = pFD->dwSelBits;
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fdh.wPrivateData = pFD->wPrivateData;
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iSize = sizeof( fdh ); /* Our header already */
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fdh.dwIFIMet = iSize; /* Location of IFIMETRICS */
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iSize += pFD->dsIFIMet.cBytes; /* Bytes in struct */
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/*
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* And there may be a width table too! The pFD values are zero if none.
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*/
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if( pFD->dsWidthTab.cBytes )
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{
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fdh.dwWidthTab = iSize;
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iSize += pFD->dsWidthTab.cBytes;
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}
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/*
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* Finally are the select/deselect strings.
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*/
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if( pFD->dsSel.cBytes )
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{
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fdh.dwCDSelect = iSize;
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iSize += pFD->dsSel.cBytes;
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}
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if( pFD->dsDesel.cBytes )
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{
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fdh.dwCDDeselect = iSize;
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iSize += pFD->dsDesel.cBytes;
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}
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/*
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* There may also be some sort of identification string.
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*/
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if( pFD->dsIdentStr.cBytes )
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{
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fdh.dwIdentStr = iSize;
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iSize += pFD->dsIdentStr.cBytes;
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}
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if( pFD->dsETM.cBytes )
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{
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fdh.dwETM = iSize;
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iSize += pFD->dsETM.cBytes;
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}
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/*
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* Sizes all figured out, so write the data!
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*/
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if( !bWrite( hFile, &fdh, sizeof( fdh ) ) ||
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!bWrite( hFile, pFD->dsIFIMet.pvData, pFD->dsIFIMet.cBytes ) ||
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!bWrite( hFile, pFD->dsWidthTab.pvData, pFD->dsWidthTab.cBytes ) ||
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!bWrite( hFile, pFD->dsSel.pvData, pFD->dsSel.cBytes ) ||
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!bWrite( hFile, pFD->dsDesel.pvData, pFD->dsDesel.cBytes ) ||
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!bWrite( hFile, pFD->dsIdentStr.pvData, pFD->dsIdentStr.cBytes ) ||
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!bWrite( hFile, pFD->dsETM.pvData, pFD->dsETM.cBytes ) )
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return -1;
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return iSize; /* Number of bytes written */
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}
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