/* vdmx.c -- Vertical 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: vdmx.c,v 1.1.1.1 1998/06/05 07:47:52 robert Exp $	 */#ifndef lintstatic char vcid[] = "$Id: vdmx.c,v 1.1.1.1 1998/06/05 07:47:52 robert Exp $";#endif /* lint */static VDMXPtr ttfAllocVDMX(TTFontPtr font);static void ttfLoadVDMX(FILE *fp,VDMXPtr vdmx,ULONG offset);void ttfInitVDMX(TTFontPtr font){    ULONG tag = 'V' | 'D' << 8 | 'M' << 16 | 'X' << 24;    TableDirPtr ptd;         if ((ptd = ttfLookUpTableDir(tag,font)) != NULL)	{	    font->vdmx = ttfAllocVDMX(font);	    ttfLoadVDMX(font->fp,font->vdmx,ptd->offset);	}}static VDMXPtr ttfAllocVDMX(TTFontPtr font){    VDMXPtr vdmx;        if ((vdmx = (VDMXPtr) calloc(1,sizeof(VDMX))) == NULL)	{	    ttfError("Out of Memory in __FILE__:__LINE__\n");	    return NULL;	}    return vdmx;}static void ttfLoadVDMX (FILE *fp,VDMXPtr vdmx,ULONG offset){    int i;    if (fseek(fp,offset,SEEK_SET) != 0)	ttfError("Fseek Failed in ttfLoadVDMX \n");	        vdmx->version = ttfGetUSHORT(fp);    vdmx->numRecs = ttfGetUSHORT(fp);    vdmx->numRatios = ttfGetUSHORT(fp);    vdmx->ratRange = (Ratios *) calloc(vdmx->numRatios, sizeof(Ratios));    vdmx->offset = (USHORT *) calloc(vdmx->numRatios, sizeof(USHORT));    vdmx->groups = (Vdmx *) calloc(vdmx->numRecs, sizeof(Vdmx));    for (i=0;i<vdmx->numRatios;i++)	{	    (vdmx->ratRange+i)->CharSet = ttfGetBYTE(fp);	    (vdmx->ratRange+i)->xRatio = ttfGetBYTE(fp);	    (vdmx->ratRange+i)->yStartRatio = ttfGetBYTE(fp);	    (vdmx->ratRange+i)->yEndRatio = ttfGetBYTE(fp);	    	}    if (fread(vdmx->offset, sizeof(USHORT), vdmx->numRatios,fp) != 	vdmx->numRatios)	ttfError("Error when getting Offset\n");#ifndef WORDS_BIGENDIAN    TwoByteSwap((unsigned char *) vdmx->offset,		vdmx->numRatios*sizeof(USHORT));#endif    for (i=0;i<vdmx->numRecs;i++)	{	    int j;	    (vdmx->groups+i)->recs = ttfGetUSHORT(fp);	    (vdmx->groups+i)->startsz = ttfGetBYTE(fp);	    (vdmx->groups+i)->endsz = ttfGetBYTE(fp);    	    (vdmx->groups+i)->entry = 		(vTable *) calloc((vdmx->groups+i)->recs, sizeof(vTable));	    for (j=0;j<(vdmx->groups+i)->recs;j++)		{		    ((vdmx->groups+i)->entry+j)->yPelHeight = ttfGetUSHORT(fp);		    ((vdmx->groups+i)->entry+j)->yMax = ttfGetSHORT(fp);		    ((vdmx->groups+i)->entry+j)->yMin = ttfGetSHORT(fp);		}	}}void ttfPrintVDMX(FILE *fp,VDMXPtr vdmx){    int i;    fprintf(fp,"'VDMX' Table - Precomputed Vertical Device Metrics\n");    fprintf(fp,"--------------------------------------------------\n");    fprintf(fp,"Version:\t %d\n", vdmx->version);    fprintf(fp,"Number of Hgt Records:\t %d\n",vdmx->numRecs);    fprintf(fp,"Number of Ratio Records:\t %d\n",vdmx->numRecs);    for (i=0;i<vdmx->numRatios;i++)	{ 	    fprintf(fp,"\t Ratio Record #%d\n",i+1);	    fprintf(fp,"\t\t CharSetId \t %d\n",(vdmx->ratRange+i)->CharSet);	    fprintf(fp,"\t\t xRatio \t %d\n",(vdmx->ratRange+i)->xRatio);	    fprintf(fp,"\t\t yStartRatio \t %d\n",(vdmx->ratRange+i)->yStartRatio);	    fprintf(fp,"\t\t yEndRatio \t %d\n",(vdmx->ratRange+i)->yEndRatio);	    fprintf(fp,"\t\t Record Offset %d (group #%d)\n\n",vdmx->offset[i],i);	}        fprintf(fp,"\t VDMX Height Record Groups\n");    fprintf(fp,"\t -------------------------\n\n");    for (i=0;i<vdmx->numRecs;i++)	{	    int j;	    	    	    fprintf(fp,"\t %d.  Number of Hgt Records %d\n",i,		    (vdmx->groups+i)->recs);	    fprintf(fp,"\t Starting Y Pel Height  %d\n",		    (vdmx->groups+i)->startsz);	    fprintf(fp,"\t Ending Y Pel Height %d\n",		    (vdmx->groups+i)->endsz);     	    for (j=0;j<(vdmx->groups+i)->recs;j++)		{		    fprintf(fp,"\t\t %d. Pel Height= %d\n",j+1,			    ((vdmx->groups+i)->entry+j)->yPelHeight);		    fprintf(fp,"\t\t yMax= \t %d\n",			    ((vdmx->groups+i)->entry+j)->yMax);		    fprintf(fp,"\t\t yMin= \t %d\n\n",			    ((vdmx->groups+i)->entry+j)->yMin);		   		}	}}void ttfFreeVDMX(VDMXPtr vdmx){    int i;    if (vdmx != NULL)	{	    for (i=0;i<vdmx->numRecs;i++)		{		    free((vdmx->groups+i)->entry);		}	    free(vdmx->ratRange);	    free(vdmx->offset);	    free(vdmx->groups);	    free(vdmx);	}}