diff options
author | Karl Berry <karl@freefriends.org> | 2006-01-17 21:41:51 +0000 |
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committer | Karl Berry <karl@freefriends.org> | 2006-01-17 21:41:51 +0000 |
commit | 487ca4806cc046076293cf6cc5fbba0db282bac7 (patch) | |
tree | 847b412ab5158dd7bdd7ed7e5a4cc3fbca94be32 /Build/source/texk/ttfdump/libttf/gasp.c | |
parent | a3d3111bfe26b8e5f5bc6049dfb2a4ca2edc7881 (diff) |
texk 1
git-svn-id: svn://tug.org/texlive/trunk@1485 c570f23f-e606-0410-a88d-b1316a301751
Diffstat (limited to 'Build/source/texk/ttfdump/libttf/gasp.c')
-rw-r--r-- | Build/source/texk/ttfdump/libttf/gasp.c | 95 |
1 files changed, 95 insertions, 0 deletions
diff --git a/Build/source/texk/ttfdump/libttf/gasp.c b/Build/source/texk/ttfdump/libttf/gasp.c new file mode 100644 index 00000000000..4ab1aaaf11e --- /dev/null +++ b/Build/source/texk/ttfdump/libttf/gasp.c @@ -0,0 +1,95 @@ +/* gasp.c -- Grid-fitting And Scan-conversion Procedure + * Copyright (C) 1996 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: gasp.c,v 1.1.1.1 1998/06/05 07:47:52 robert Exp $ */ + +#ifndef lint +static char vcid[] = "$Id: gasp.c,v 1.1.1.1 1998/06/05 07:47:52 robert Exp $"; +#endif /* lint */ + +static GASPPtr ttfAllocGASP(TTFontPtr font); +static void ttfLoadGASP(FILE *fp,GASPPtr gasp,ULONG offset); + +void ttfInitGASP(TTFontPtr font) +{ + ULONG tag = 'g' | 'a' << 8 | 's' << 16 | 'p' << 24; + TableDirPtr ptd; + + if ((ptd = ttfLookUpTableDir(tag,font)) != NULL) + { + font->gasp = ttfAllocGASP(font); + ttfLoadGASP(font->fp,font->gasp,ptd->offset); + } +} +static GASPPtr ttfAllocGASP(TTFontPtr font) +{ + GASPPtr gasp; + + if ((gasp = (GASPPtr) calloc(1,sizeof(GASP))) == NULL) + { + ttfError("Out of Memory in __FILE__:__LINE__\n"); + return NULL; + } + return gasp; +} +static void ttfLoadGASP (FILE *fp,GASPPtr gasp,ULONG offset) +{ + int i; + + if (fseek(fp,offset,SEEK_SET) !=0) + ttfError("Fseek Failed in ttfLoadGASP \n"); + + gasp->version = ttfGetUSHORT(fp); + gasp->numRanges = ttfGetUSHORT(fp); + + gasp->gaspRange = (GASPRANGE *) calloc(gasp->numRanges, sizeof(GASPRANGE)); + + if (gasp->gaspRange == NULL) + ttfError("Out of Memory in __FILE__:__LINE__\n"); + else + for (i=0;i<gasp->numRanges;i++) + { + gasp->gaspRange[i].rangeMaxPPEM = ttfGetUSHORT(fp); + gasp->gaspRange[i].rangeGaspBehavior = ttfGetUSHORT(fp); + } +} + +void ttfPrintGASP(FILE *fp,GASPPtr gasp) +{ + int i; + + fprintf(fp,"'gasp' Table - Grid-fitting And Scan-conversion Procedure\n"); + fprintf(fp,"---------------------------------------------------------\n"); + + fprintf(fp,"'gasp' version:\t %d\n",gasp->version); + fprintf(fp,"numRanges: \t %d\n\n",gasp->numRanges); + + for (i=0;i<gasp->numRanges;i++) + { + fprintf(fp,"\t gasp Range %d\n",i); + fprintf(fp,"\t rangeMaxPPEM:\t %d\n", + gasp->gaspRange[i].rangeMaxPPEM); + fprintf(fp,"\t rangeGaspBehavior:\t 0x%04x\n\n", + gasp->gaspRange[i].rangeGaspBehavior); + } + fprintf(fp,"\n"); +} + +void ttfFreeGASP(GASPPtr gasp) +{ + if (gasp != NULL) + { + free(gasp->gaspRange); + free(gasp); + } +} |