/* vhea.c -- Vertical Header Table * Copyright (C) 1997 Li-Da Lho, All right reserved */ #include #include #include "config.h" #include "ttf.h" #include "ttfutil.h" #ifdef MEMCHECK #include #endif /* $Id: vhea.c,v 1.1.1.1 1998/06/05 07:47:52 robert Exp $ */ #ifndef lint static char vcid[] = "$Id: vhea.c,v 1.1.1.1 1998/06/05 07:47:52 robert Exp $"; #endif /* lint */ static VHEAPtr ttfAllocVHEA(TTFontPtr font); static void ttfLoadVHEA(FILE *fp,VHEAPtr vhea,ULONG offset); void ttfInitVHEA(TTFontPtr font) { ULONG tag = 'v' | 'h' << 8 | 'e' << 16 | 'a' << 24; TableDirPtr ptd; if ((ptd = ttfLookUpTableDir(tag,font)) != NULL) { font->vhea = ttfAllocVHEA(font); ttfLoadVHEA(font->fp,font->vhea,ptd->offset); } } static VHEAPtr ttfAllocVHEA(TTFontPtr font) { VHEAPtr vhea; if ((vhea = (VHEAPtr) calloc(1,sizeof(VHEA))) == NULL) { ttfError("Out of Memory in __FILE__:__LINE__\n"); return NULL; } return vhea; } static void ttfLoadVHEA (FILE *fp,VHEAPtr vhea,ULONG offset) { int i; if (fseek(fp,offset,SEEK_SET) != 0) ttfError("Fseek Failed in ttfLoadVHEA \n"); vhea->version = ttfGetFixed(fp); vhea->ascent = ttfGetSHORT(fp); vhea->descent = ttfGetSHORT(fp); vhea->lineGap = ttfGetSHORT(fp); vhea->advanceHeightMax = ttfGetSHORT(fp); vhea->minTopSideBearing = ttfGetSHORT(fp); vhea->minBottomSideBearing = ttfGetSHORT(fp); vhea->yMaxExtent = ttfGetSHORT(fp); vhea->caretSlopeRise = ttfGetSHORT(fp); vhea->caretSlopeRun = ttfGetSHORT(fp); vhea->caretOffset = ttfGetSHORT(fp); for(i=0;i<4;i++) (vhea->reserved)[i] = ttfGetSHORT(fp); vhea->metricDataFormat = ttfGetSHORT(fp); vhea->numOfLongVerMetrics = ttfGetUSHORT(fp); } void ttfPrintVHEA(FILE *fp,VHEAPtr vhea) { int i,b[2]; fprintf(fp,"'VHEA' - Vertical Header Table\n"); fprintf(fp,"------------------------------\n"); FixedSplit(vhea->version,b); fprintf(fp,"\t version:\t %d.%d\n",b[1],b[0]); fprintf(fp,"\t ascent:\t %d\n",vhea->ascent); fprintf(fp,"\t descent:\t %d\n",vhea->descent); fprintf(fp,"\t lineGap:\t %d\n",vhea->lineGap); fprintf(fp,"\t advanceHeightMax: %d\n",vhea->advanceHeightMax); fprintf(fp,"\t minTopSideBearing: %d\n",vhea->minTopSideBearing); fprintf(fp,"\t minBottomBearing: %d\n",vhea->minBottomSideBearing); fprintf(fp,"\t yMaxExtent:\t %d\n",vhea->yMaxExtent); fprintf(fp,"\t caretSlopeRise: %d\n", vhea->caretSlopeRise); fprintf(fp,"\t caretSlopeRun: %d\n", vhea->caretSlopeRun); fprintf(fp,"\t caretOffset:\t %d\n", vhea->caretOffset); for(i=0;i<4;i++) fprintf(fp,"\t reserved %d:\t %d\n",i,(vhea->reserved)[i]); fprintf(fp,"\t metricDataFormat:\t %d\n", vhea->metricDataFormat); fprintf(fp,"\t numOfLongVerMetrics: %d\n",vhea->numOfLongVerMetrics); } void ttfFreeVHEA(VHEAPtr vhea) { if (vhea != NULL) { free(vhea); } }