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/* ltsh.c -- Linear Threshold 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"
/* $Id: ltsh.c,v 1.1.1.1 1998/06/05 07:47:52 robert Exp $ */
static void ttfLoadLTSH(FILE *fp,LTSHPtr ltsh,ULONG offset);
void ttfInitLTSH(TTFontPtr font)
{
ULONG tag = FT_MAKE_TAG ('L', 'T', 'S', 'H');
TableDirPtr ptd;
if ((ptd = ttfLookUpTableDir(tag,font)) != NULL)
{
font->ltsh = XCALLOC1 (LTSH);
ttfLoadLTSH(font->fp,font->ltsh,ptd->offset);
}
}
static void ttfLoadLTSH (FILE *fp,LTSHPtr ltsh,ULONG offset)
{
xfseek(fp, offset, SEEK_SET, "ttfLoadLTSH");
ltsh->version = ttfGetUSHORT(fp);
ltsh->numGlyphs = ttfGetUSHORT(fp);
ltsh->yPels = ttfMakeBYTE (ltsh->numGlyphs, fp);
}
void ttfPrintLTSH(FILE *fp,LTSHPtr ltsh)
{
int i;
fprintf(fp,"'LTSH' Table - Linear Threshold Table\n");
fprintf(fp,"-------------------------------------\n");
fprintf(fp,"'LTSH' Version:\t %d\n",ltsh->version);
fprintf(fp,"Number of Glyphs:\t %d\n",ltsh->numGlyphs);
fprintf(fp,"\t Glyph # \t Threshold\n");
for (i=0;i<ltsh->numGlyphs;i++)
{
fprintf(fp,"\t %d. \t\t %d\n",i,ltsh->yPels[i]);
}
}
void ttfFreeLTSH(LTSHPtr ltsh)
{
if (ltsh != NULL)
{
free(ltsh->yPels);
free(ltsh);
}
}
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