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authorKarl Berry <karl@freefriends.org>2006-01-17 21:41:51 +0000
committerKarl Berry <karl@freefriends.org>2006-01-17 21:41:51 +0000
commit487ca4806cc046076293cf6cc5fbba0db282bac7 (patch)
tree847b412ab5158dd7bdd7ed7e5a4cc3fbca94be32 /Build/source/texk/ttfdump/libttf/gasp.c
parenta3d3111bfe26b8e5f5bc6049dfb2a4ca2edc7881 (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.c95
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);
+ }
+}