/* head.c -- Header Table * Copyright (C) 1996 Li-Da Lho, All right reserved */ #include #include #include "config.h" #include "ttf.h" #include "ttfutil.h" #ifdef MEMCHECK #include #endif /* $Id: head.c,v 1.1.1.1 1998/06/05 07:47:52 robert Exp $ */ #ifndef lint static char vcid[] = "$Id: head.c,v 1.1.1.1 1998/06/05 07:47:52 robert Exp $"; #endif /* lint */ static HEADPtr ttfAllocHEAD(TTFontPtr font); static void ttfLoadHEAD(FILE *fp,HEADPtr head,ULONG offset); void ttfInitHEAD(TTFontPtr font) { ULONG tag = 'h' | 'e' << 8 | 'a' << 16 | 'd' << 24; TableDirPtr ptd; if ((ptd = ttfLookUpTableDir(tag,font)) != NULL) { font->head = ttfAllocHEAD(font); ttfLoadHEAD(font->fp,font->head,ptd->offset); } } static HEADPtr ttfAllocHEAD(TTFontPtr font) { HEADPtr head; if ((head = (HEADPtr) calloc(1,sizeof(HEAD))) == NULL) { ttfError("Out of Memory in __FILE__:__LINE__\n"); return NULL; } return head; } static void ttfLoadHEAD(FILE *fp,HEADPtr head,ULONG offset) { if (fseek(fp,offset,SEEK_SET) !=0) ttfError("Fseek Failed in ttfLoadHEAD \n"); head->version = ttfGetFixed(fp); head->fontRevision = ttfGetFixed(fp); head->checkSumAdj = ttfGetULONG(fp); head->magicNumber = ttfGetULONG(fp); head->flags = ttfGetUSHORT(fp); head->unitsPerEm = ttfGetUSHORT(fp); fread(head->created,sizeof(char),8,fp); fread(head->modified,sizeof(char),8,fp); head->xMin = ttfGetFWord(fp); head->yMin = ttfGetFWord(fp); head->xMax = ttfGetFWord(fp); head->yMax = ttfGetFWord(fp); head->macStyle = ttfGetUSHORT(fp); head->lowestRecPPEM = ttfGetUSHORT(fp); head->fontDirectionHint = ttfGetSHORT(fp); head->indexToLocFormat = ttfGetSHORT(fp); head->glyphDataFormat = ttfGetSHORT(fp); } void ttfPrintHEAD(FILE *fp,HEADPtr head) { int b1[2],b2[2]; FixedSplit(head->version,b1); FixedSplit(head->fontRevision,b2); fprintf(fp,"'head' Table - Font Header\n"); fprintf(fp,"--------------------------\n"); fprintf(fp,"\t 'head' version:\t %2d.%2d\n",b1[1],b1[0]); fprintf(fp,"\t fontReversion:\t\t %2d.%2d\n",b2[1],b2[0]); fprintf(fp,"\t checkSumAdjustment:\t 0x%08x\n",head->checkSumAdj); fprintf(fp,"\t magicNumber:\t\t 0x%08x\n",head->magicNumber); fprintf(fp,"\t flags:\t\t\t 0x%04x\n",head->flags); fprintf(fp,"\t unitsPerEm:\t\t %d\n",head->unitsPerEm); /* don't know how to compute */ fprintf(fp,"\t created:\n"); fprintf(fp,"\t modified:\n"); fprintf(fp,"\t xMin:\t\t\t %d\n",head->xMin); fprintf(fp,"\t yMin:\t\t\t %d\n",head->yMin); fprintf(fp,"\t xMax:\t\t\t %d\n",head->xMax); fprintf(fp,"\t yMax:\t\t\t %d\n",head->yMax); fprintf(fp,"\t macStyle bits:\t\t 0x%04x\n",head->macStyle); fprintf(fp,"\t lowestRecPPEM:\t\t %d\n",head->lowestRecPPEM); fprintf(fp,"\t fontDirectionHint:\t %d\n",head->fontDirectionHint); fprintf(fp,"\t indexToLocFormat:\t %d\n",head->indexToLocFormat); fprintf(fp,"\t glyphDataFormat:\t %d\n",head->glyphDataFormat); fprintf(fp,"\n"); } void ttfFreeHEAD(HEADPtr head) { free(head); }