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/* gasp.c -- Grid-fitting And Scan-conversion Procedure
* Copyright (C) 1996 Li-Da Lho, All right reserved
*/
#ifdef HAVE_CONFIG_H
#include <config.h>
#endif
#include <stdio.h>
#include <stdlib.h>
#include "ttf.h"
#include "ttfutil.h"
/* $Id: gasp.c,v 1.1.1.1 1998/06/05 07:47:52 robert Exp $ */
static void ttfLoadGASP(FILE *fp,GASPPtr gasp,ULONG offset);
void ttfInitGASP(TTFontPtr font)
{
ULONG tag = FT_MAKE_TAG ('g', 'a', 's', 'p');
TableDirPtr ptd;
if ((ptd = ttfLookUpTableDir(tag,font)) != NULL)
{
font->gasp = XCALLOC1 (GASP);
ttfLoadGASP(font->fp,font->gasp,ptd->offset);
}
}
static void ttfLoadGASP (FILE *fp,GASPPtr gasp,ULONG offset)
{
int i;
xfseek(fp, offset, SEEK_SET, "ttfLoadGASP");
gasp->version = ttfGetUSHORT(fp);
gasp->numRanges = ttfGetUSHORT(fp);
gasp->gaspRange = XCALLOC (gasp->numRanges, GASPRANGE);
for (i=0;i<gasp->numRanges;i++)
{
gasp->gaspRange[i].rangeMaxPPEM = ttfGetUSHORT(fp);
gasp->gaspRange[i].rangeGaspBehavior = ttfGetUSHORT(fp);
}
}
void ttfPrintGASP(FILE *fp,GASPPtr gasp)
{
int i;
fprintf(fp,"'gasp' Table - Grid-fitting And Scan-conversion Procedure\n");
fprintf(fp,"---------------------------------------------------------\n");
fprintf(fp,"'gasp' version:\t %d\n",gasp->version);
fprintf(fp,"numRanges: \t %d\n\n",gasp->numRanges);
for (i=0;i<gasp->numRanges;i++)
{
fprintf(fp,"\t gasp Range %d\n",i);
fprintf(fp,"\t rangeMaxPPEM:\t %d\n",
gasp->gaspRange[i].rangeMaxPPEM);
fprintf(fp,"\t rangeGaspBehavior:\t 0x%04x\n\n",
gasp->gaspRange[i].rangeGaspBehavior);
}
fprintf(fp,"\n");
}
void ttfFreeGASP(GASPPtr gasp)
{
if (gasp != NULL)
{
free(gasp->gaspRange);
free(gasp);
}
}
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