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/* cvt.c -- Control Value Table
* Copyright (C) 1996 Li-Da Lho, All right reserved
*/
#include <stdio.h>
#include <stdlib.h>
#include "config.h"
#include "ttf.h"
#include "ttfutil.h"
#ifdef MEMCHECK
#include <dmalloc.h>
#endif
/* $Id: cvt.c,v 1.1.1.1 1998/06/05 07:47:52 robert Exp $ */
#ifndef lint
static char vcid[] = "$Id: cvt.c,v 1.1.1.1 1998/06/05 07:47:52 robert Exp $";
#endif /* lint */
static void ttfLoadCVT(FILE *fp,FWord *cvt,USHORT lenght,ULONG offset);
void ttfInitCVT(TTFontPtr font)
{
ULONG tag = 'c' | 'v' << 8 | 't' << 16 | ' ' << 24;
TableDirPtr ptd;
if ((ptd = ttfLookUpTableDir(tag,font)) != NULL)
{
font->cvtLength = ptd->length / sizeof(FWord);
font->cvt = (FWord *) calloc(font->cvtLength, sizeof(FWord));
if (font->cvt != NULL)
ttfLoadCVT(font->fp,font->cvt,font->cvtLength,ptd->offset);
}
}
static void ttfLoadCVT(FILE *fp,FWord *cvt,USHORT length,ULONG offset)
{
if (fseek(fp,offset,SEEK_SET) !=0)
ttfError("Fseek Failed in ttfLoadCVT \n");
if (fread(cvt, sizeof(FWord), length, fp) != length)
ttfError("Error when getting CVT\n");
#ifndef WORDS_BIGENDIAN
TwoByteSwap((unsigned char *) cvt,length*sizeof(FWord));
#endif
}
void ttfPrintCVT(FILE *fp, FWord *cvt, USHORT cvtLength)
{
USHORT i;
fprintf(fp,"'cvt ' Table - Control Value Table\n");
fprintf(fp,"----------------------------------\n");
fprintf(fp,"Size = %d bytes, %d entries\n",cvtLength*sizeof(FWord),
cvtLength);
for (i=0;i<cvtLength;i++)
{
fprintf(fp,"\t %4d. \t %d\n",i,cvt[i]);
}
fprintf(fp,"\n");
}
void ttfFreeCVT(FWord *cvt)
{
if (cvt != NULL)
free(cvt);
}
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