/* 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"#ifdef MEMCHECK#include <dmalloc.h>#endif/* 	$Id: ltsh.c,v 1.1.1.1 1998/06/05 07:47:52 robert Exp $	 */#ifndef lintstatic char vcid[] = "$Id: ltsh.c,v 1.1.1.1 1998/06/05 07:47:52 robert Exp $";#endif /* lint */static LTSHPtr ttfAllocLTSH(TTFontPtr font);static void ttfLoadLTSH(FILE *fp,LTSHPtr ltsh,ULONG offset);void ttfInitLTSH(TTFontPtr font){    ULONG tag = 'L' | 'T' << 8 | 'S' << 16 | 'H' << 24;    TableDirPtr ptd;         if ((ptd = ttfLookUpTableDir(tag,font)) != NULL)	{	    font->ltsh = ttfAllocLTSH(font);	    ttfLoadLTSH(font->fp,font->ltsh,ptd->offset);	}}static LTSHPtr ttfAllocLTSH(TTFontPtr font){    LTSHPtr ltsh;        if ((ltsh = (LTSHPtr) calloc(1,sizeof(LTSH))) == NULL)	{	    ttfError("Out of Memory in __FILE__:__LINE__\n");	    return NULL;	}    return ltsh;}static void ttfLoadLTSH (FILE *fp,LTSHPtr ltsh,ULONG offset){    if (fseek(fp,offset,SEEK_SET) !=0)	ttfError("Fseek Failed in ttfLoadLTSH \n");	        ltsh->version = ttfGetUSHORT(fp);    ltsh->numGlyphs = ttfGetUSHORT(fp);        ltsh->yPels = (BYTE *) calloc(ltsh->numGlyphs, sizeof(BYTE));    if(fread(ltsh->yPels, sizeof(BYTE), ltsh->numGlyphs, fp) != ltsh->numGlyphs)	ttfError("Error when getting yPels\n");}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);	}}