/* vmtx.c -- Vertical Metrics Table * Copyright (C) 1997 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: vmtx.c,v 1.1.1.1 1998/06/05 07:47:52 robert Exp $	 */#ifndef lintstatic char vcid[] = "$Id: vmtx.c,v 1.1.1.1 1998/06/05 07:47:52 robert Exp $";#endif /* lint */static VMTXPtr ttfAllocVMTX(TTFontPtr font);static void ttfLoadVMTX(FILE *fp,VMTXPtr vmtx,ULONG offset);/* Caution: Because of interdependency between tables,  * table vhea and maxp should be well initalized before * ttfInitVMTX has been called */void ttfInitVMTX(TTFontPtr font){    ULONG tag = 'v' | 'm' << 8 | 't' << 16 | 'x' << 24;    TableDirPtr ptd;        if ((ptd = ttfLookUpTableDir(tag,font)) != NULL) 	{	    font->vmtx = ttfAllocVMTX(font);	    font->vmtx->numOfLongVerMetrics = 		font->vhea->numOfLongVerMetrics;	    font->vmtx->numOfTSB = font->maxp->numGlyphs - 		font->vhea->numOfLongVerMetrics; 	    ttfLoadVMTX(font->fp,font->vmtx,ptd->offset);	}}static VMTXPtr ttfAllocVMTX(TTFontPtr font){    VMTXPtr vmtx;    if ((vmtx = (VMTXPtr) calloc(1,sizeof(VMTX))) == NULL)	{	    ttfError("Out of Memory in __FILE__:__LINE__\n");	    return NULL;	}    return vmtx;}static void ttfLoadVMTX(FILE *fp,VMTXPtr vmtx,ULONG offset){    USHORT i,n = vmtx->numOfLongVerMetrics,m=vmtx->numOfTSB;    if (fseek(fp,offset,SEEK_SET) !=0)	ttfError("Fseek Failed in ttfLOADVMTX \n");        if ((vmtx->vMetrics = (longVerMetric *) calloc(n,sizeof(longVerMetric))) != NULL)	{	    for (i=0;i<n;i++)		{		    (vmtx->vMetrics+i)->advanceHeight = ttfGetuFWord(fp);		    (vmtx->vMetrics+i)->topSideBearing = ttfGetFWord(fp);		}	}    else	{	    ttfError("Out Of Memory in __FILE__ : __LINE__\n"); 	}    /* codes dealing with leftSideBearing entry */    if (m && ((vmtx->topSideBearing = (FWord *) calloc(m,sizeof(FWord))) != NULL))	{	    for (i=0;i<m;i++)		{		    (vmtx->topSideBearing)[i] = ttfGetFWord(fp);		}	}}void ttfPrintVMTX(FILE *fp,VMTXPtr vmtx){    int i;        fprintf(fp,"'vmtx' Table - Vertical Metrics\n");    fprintf(fp,"---------------------------------\n");        for (i=0;i<vmtx->numOfLongVerMetrics;i++)	{	    fprintf(fp,"\t %4d. advWid: %4d, TSBear: %4d\n",i,		    (vmtx->vMetrics+i)->advanceHeight,		    (vmtx->vMetrics+i)->topSideBearing);	}    for (i=0;i<vmtx->numOfTSB;i++)	{	    fprintf(fp,"\t %4d. TSBear: %4d\n",i+vmtx->numOfLongVerMetrics,		    (vmtx->topSideBearing)[i]);	}}void ttfFreeVMTX(VMTXPtr vmtx){    if (vmtx != NULL)	{	    free(vmtx->vMetrics);	    if (vmtx->numOfTSB)		free(vmtx->topSideBearing);	    free(vmtx);	}}