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/* ttc.c -- True Type Collection Support
* Copyright (C) 1997 Li-Da Lho, All right reserved
*/
#ifdef HAVE_CONFIG_H
#include <config.h>
#endif
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include "ttf.h"
#include "ttfutil.h"
#include "ttc.h"
/* $Id: ttc.c,v 1.1.1.1 1998/06/05 07:47:52 robert Exp $ */
static void ttfLoadTTCFont(TTCHeaderPtr ttc, FILE *fp, const char *filename);
TTCHeaderPtr ttfLoadTTCHeader(char * filename)
{
ULONG tag = FT_MAKE_TAG ('t', 't', 'c', 'f');
TTCHeaderPtr ttc;
FILE *fp;
if ((fp = fopen_truetype (filename)) == NULL)
{
fprintf(stderr,"Can't open ttc file %s\n",filename);
return NULL;
}
ttc = XCALLOC1 (TTCHeader);
/* True Type Collection's TTCHeader */
if ((ttc->TTCTag = ttfGetULONG(fp)) == tag)
{
ttc->version = ttfGetFixed(fp);
ttc->DirCount = (USHORT) ttfGetULONG(fp);
ttc->offset = ttfMakeULONG (ttc->DirCount, fp);
ttfLoadTTCFont(ttc,fp,filename);
return ttc;
}
else
/* a file with ttc in name but no ttc tag in it */
return NULL;
}
static void ttfLoadTTCFont(TTCHeaderPtr ttc,FILE *fp,const char *filename)
{
unsigned int i;
ttc->font = XCALLOC (ttc->DirCount, TTFont);
/* currently, we are loading all fonts in a TTC file.
* I still can't find a good way to share the data. */
for (i=0;i<ttc->DirCount;i++)
{
(ttc->font+i) -> fp = fp;
(ttc->font+i) -> ttfname = XTALLOC (strlen(filename)+16, char);
sprintf ((ttc->font+i)->ttfname, "%s:%u", filename, i);
ttfLoadFont((ttc->font+i),(ttc->offset)[i]);
}
}
void ttfFreeTTCFont(TTCHeaderPtr ttc)
{
int i;
for (i=0;i<ttc->DirCount;i++)
{
ttfFreeRequiredTables(ttc->font+i);
ttfFreeOptionalTables(ttc->font+i);
ttfFreeTableDir((ttc->font+i)->dir);
free((ttc->font+i)->refcount);
}
free(ttc->offset);
free(ttc->font);
free(ttc);
}
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