diff options
Diffstat (limited to 'Build/source/texk/ttfdump/libttf/vmtx.c')
-rw-r--r-- | Build/source/texk/ttfdump/libttf/vmtx.c | 115 |
1 files changed, 115 insertions, 0 deletions
diff --git a/Build/source/texk/ttfdump/libttf/vmtx.c b/Build/source/texk/ttfdump/libttf/vmtx.c new file mode 100644 index 00000000000..990f824a66a --- /dev/null +++ b/Build/source/texk/ttfdump/libttf/vmtx.c @@ -0,0 +1,115 @@ +/* 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 lint +static 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); + } +} |