/* ttc.c -- True Type Collection Support  * Copyright (C) 1997 Li-Da Lho, All right reserved */ #include <stdio.h>#include <stdlib.h>#include <string.h>#include "config.h"#include "ttf.h"#include "ttfutil.h"#include "ttc.h"#ifdef MEMCHECK#include <dmalloc.h>#endif/* 	$Id: ttc.c,v 1.1.1.1 1998/06/05 07:47:52 robert Exp $	 */#ifndef lintstatic char vcid[] = "$Id: ttc.c,v 1.1.1.1 1998/06/05 07:47:52 robert Exp $";#endif /* lint */TTCHeaderPtr ttfLoadTTCHeader(char * filename){    ULONG tag =  't' | 't' << 8 | 'c' << 16 | 'f' << 24;    TTCHeaderPtr ttc;    FILE *fp;        if ((fp = fopen (filename,"r")) == NULL)	{	    fprintf(stderr,"Can't open ttc file %s\n",filename);	    return NULL;	}    ttc = (TTCHeaderPtr) calloc(1, sizeof(TTCHeader));    /* True Type Collection's TTCHeader */    if ((ttc->TTCTag = (ULONG) ttfGetLSB32(fp)) == tag)	{	    ttc->version = ttfGetFixed(fp);	    ttc->DirCount = (USHORT) ttfGetULONG(fp);	    ttc->offset = (ULONG *) calloc(ttc->DirCount,					   sizeof(ULONG));	    if (fread(ttc->offset, sizeof(ULONG), 		      ttc->DirCount,fp) != ttc->DirCount)		{		    ttfError("Error when reading Table Direcotry Offset/n");		}#ifndef WORDS_BIGENDIAN	    FourByteSwap((unsigned char *) ttc->offset,			 ttc->DirCount*sizeof(ULONG));#endif	    ttfLoadTTCFont(ttc,fp);	    return ttc;	}    else	/* a file with ttc in name but no ttc tag in it */	return NULL;}void ttfLoadTTCFont(TTCHeaderPtr ttc,FILE *fp){    int i;        ttc->font = (TTFontPtr) calloc(ttc->DirCount, sizeof(TTFont));    if (ttc->font == NULL)	{	    ttfError("Out of Memory");	    return;	}    /* 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;	    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);}