/* hdmx.c -- Horizontal Device Metrics * 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: hdmx.c,v 1.1.1.1 1998/06/05 07:47:52 robert Exp $	 */#ifndef lintstatic char vcid[] = "$Id: hdmx.c,v 1.1.1.1 1998/06/05 07:47:52 robert Exp $";#endif /* lint */static HDMXPtr ttfAllocHDMX(TTFontPtr font);static void ttfLoadHDMX(FILE *fp,HDMXPtr hdmx,ULONG offset);void ttfInitHDMX(TTFontPtr font){    ULONG tag = 'h' | 'd' << 8 | 'm' << 16 | 'x' << 24;    TableDirPtr ptd;         if ((ptd = ttfLookUpTableDir(tag,font)) != NULL)	{	    font->hdmx = ttfAllocHDMX(font);	    font->hdmx->numGlyphs = font->maxp->numGlyphs;	    ttfLoadHDMX(font->fp,font->hdmx,ptd->offset);	}}static HDMXPtr ttfAllocHDMX(TTFontPtr font){    HDMXPtr hdmx;        if ((hdmx = (HDMXPtr) calloc(1,sizeof(HDMX))) == NULL)	{	    ttfError("Out of Memory in __FILE__:__LINE__\n");	    return NULL;	}    return hdmx;}static void ttfLoadHDMX (FILE *fp,HDMXPtr hdmx,ULONG offset){    int i;    if (fseek(fp,offset,SEEK_SET) !=0)	ttfError("Fseek Failed in ttfLoadHDMX \n");	        hdmx->version = ttfGetUSHORT(fp);    hdmx->numDevices = ttfGetUSHORT(fp);    hdmx->size = ttfGetLONG(fp);    hdmx->Records = (DeviceRecord  *) calloc(hdmx->numDevices, 					     sizeof(DeviceRecord));        if (hdmx->Records == NULL)	ttfError("Out of Memory in __FILE__:__LINE__\n");    else	for (i=0;i<hdmx->numDevices;i++)	    {		hdmx->Records[i].PixelSize = ttfGetBYTE(fp);		hdmx->Records[i].MaxWidth = ttfGetBYTE(fp);		hdmx->Records[i].Width = (BYTE *) calloc(hdmx->size,							 sizeof(BYTE));		fread ((hdmx->Records+i)->Width, sizeof(BYTE), 		       hdmx->numGlyphs+1,fp);	    }}void ttfPrintHDMX(FILE *fp,HDMXPtr hdmx){    int i;    fprintf(fp,"'hdmx' Table - Horizontal Device Metrics\n");    fprintf(fp,"----------------------------------------\n");    fprintf(fp,"\t 'hdmx' version:\t %d\n",hdmx->version);    fprintf(fp,"\t # device records:\t %d\n",hdmx->numDevices);    fprintf(fp,"\t Record length:\t %d\n",hdmx->size);        for (i=0;i<hdmx->numDevices;i++)	{	    int j;	    fprintf(fp,"\t DevRec  %d: ppem =  %d, maxWid =  %d\n",		    i,hdmx->Records[i].PixelSize,hdmx->Records[i].MaxWidth);	    for (j=0;j<hdmx->numGlyphs;j++)		fprintf(fp,"\t %d. \t %d\n",j,(hdmx->Records+i)->Width[j]);	    fprintf(fp,"\n");	}    fprintf(fp,"\n");}void ttfFreeHDMX(HDMXPtr hdmx){    int i;        if (hdmx != NULL)	{	    for (i=0;i<hdmx->numDevices;i++)		free(hdmx->Records[i].Width);	    	    free(hdmx->Records);	    free(hdmx);	}}