/* hhea.c -- Horizontal header * 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: hhea.c,v 1.1.1.1 1998/06/05 07:47:52 robert Exp $ */ #ifndef lint static char vcid[] = "$Id: hhea.c,v 1.1.1.1 1998/06/05 07:47:52 robert Exp $"; #endif /* lint */ static HHEAPtr ttfAllocHHEA(TTFontPtr font); static void ttfLoadHHEA(FILE *fp,HHEAPtr hhea,ULONG offset); void ttfInitHHEA(TTFontPtr font) { ULONG tag = 'h' | 'h' << 8 | 'e' << 16 | 'a' << 24; TableDirPtr ptd; if ((ptd = ttfLookUpTableDir(tag,font)) != NULL) { font->hhea = ttfAllocHHEA(font); ttfLoadHHEA(font->fp,font->hhea,ptd->offset); } } static HHEAPtr ttfAllocHHEA(TTFontPtr font) { HHEAPtr hhea; if ((hhea = (HHEAPtr) calloc(1,sizeof(HHEA))) == NULL) { ttfError("Out of Memory in __FILE__:__LINE__\n"); return NULL; } return hhea; } static void ttfLoadHHEA (FILE *fp,HHEAPtr hhea,ULONG offset) { int i; if (fseek(fp,offset,SEEK_SET) !=0) ttfError("Fseek Failed in ttfLOADCMAP \n"); hhea->version = ttfGetFixed(fp); hhea->Ascender = ttfGetFWord(fp); hhea->Descender = ttfGetFWord(fp); hhea->LineGap = ttfGetFWord(fp); hhea->advanceWidthMax = ttfGetuFWord(fp); hhea->minLeftSideBearing = ttfGetFWord(fp); hhea->minRightSideBearing = ttfGetFWord(fp); hhea->xMaxExtent = ttfGetFWord(fp); hhea->caretSlopeRise = ttfGetSHORT(fp); hhea->caretSlopeRun = ttfGetSHORT(fp); for(i=0;i<5;i++) (hhea->reserved)[i] = ttfGetSHORT(fp); hhea->metricDataFormat = ttfGetSHORT(fp); hhea->numberOfHMetrics = ttfGetUSHORT(fp); } void ttfPrintHHEA(FILE *fp,HHEAPtr hhea) { int i,b[2]; FixedSplit(hhea->version,b); fprintf(fp,"'hhea' Table - Horizontal Header\n"); fprintf(fp,"--------------------------\n"); fprintf(fp,"\t 'hhea' version:\t %2d.%2d\n",b[1],b[0]); fprintf(fp,"\t yAscender:\t\t %d\n",hhea->Ascender); fprintf(fp,"\t yDescender:\t\t %d\n",hhea->Descender); fprintf(fp,"\t yLineGap:\t\t %d\n",hhea->LineGap); fprintf(fp,"\t advanceWidthMax:\t %d\n",hhea->advanceWidthMax); fprintf(fp,"\t minLeftSideBearing:\t %d\n",hhea->minLeftSideBearing); fprintf(fp,"\t minRightSideBearing:\t %d\n",hhea->minRightSideBearing); fprintf(fp,"\t xMaxExtent:\t\t %d\n",hhea->xMaxExtent); fprintf(fp,"\t caretSlopeRise:\t %d\n",hhea->caretSlopeRise); fprintf(fp,"\t caretSlopeRun:\t\t %d\n",hhea->caretSlopeRun); for (i=0;i<5;i++) fprintf(fp,"\t reserved%d:\t\t %d\n",i,(hhea->reserved)[i]); fprintf(fp,"\t metricDataFormat:\t %d\n",hhea->metricDataFormat); fprintf(fp,"\t numberOfHMetrics:\t %d\n",hhea->numberOfHMetrics); } void ttfFreeHHEA(HHEAPtr hhea) { free(hhea); }