From 62a4dbead286c3b4ebef16957cfc7df9fc632db7 Mon Sep 17 00:00:00 2001
From: George Williams <gww@silcom.com>
Date: Tue, 4 Nov 2003 19:42:06 +0000
Subject: We had an overly simplistic bdf parser in ufond, which failed to read
 some bdf fonts properly.

---
 tomacbinary.c |  1 +
 ufondbdf.c    | 33 +++++++++++++++++++++++----------
 2 files changed, 24 insertions(+), 10 deletions(-)

diff --git a/tomacbinary.c b/tomacbinary.c
index e1f297f..0500140 100644
--- a/tomacbinary.c
+++ b/tomacbinary.c
@@ -50,6 +50,7 @@
 /* MacBinary files use the same CRC that binhex does (in the MacBinary header) */
 extern unsigned long binhex_crc(unsigned char *buffer,int size);
 
+/* the resource fork may be opened (on Mac OS/X) by <filename>/rsrc */
 
 
 /* tobin [-res rfilename] filename {[-res filename] rfilename} */
diff --git a/ufondbdf.c b/ufondbdf.c
index 58ade0d..fe3ef89 100644
--- a/ufondbdf.c
+++ b/ufondbdf.c
@@ -233,10 +233,16 @@ static void ParseBdfHeader(struct macfont *macfont, struct bdffont *bdf) {
 
 static int ParseCharWidths(struct macfont *macfont,int ch,char **chlist,int loc) {
     int pwidth=0, swidth=0, gwidth=0, lb=0;
-    
-    sscanf(chlist[2],"SWIDTH %d", &swidth );
-    sscanf(chlist[3],"DWIDTH %d", &pwidth );
-    sscanf(chlist[4],"BBX %d %*d %d", &gwidth, &lb );
+    int i;
+
+    for ( i=0 ; chlist[i]!=NULL; ++i ) {
+	if ( strncmp(chlist[i],"SWIDTH", 6)==0 )
+	    sscanf(chlist[i],"SWIDTH %d", &swidth );
+	else if ( strncmp(chlist[i],"DWIDTH", 6)==0 )
+	    sscanf(chlist[i],"DWIDTH %d", &pwidth );
+	else if ( strncmp(chlist[i],"BBX", 3)==0 )
+	    sscanf(chlist[i],"BBX %d %*d %d", &gwidth, &lb );
+    }
 
     macfont->widths[ch] = pwidth;
     macfont->lbearings[ch] = lb;
@@ -310,13 +316,20 @@ return;
 }
     
 static void ParseBitmap(struct macfont *macfont,int ch,char **chlist) {
-    int height, descent, ascent,off,i;
+    int height, descent, ascent,off,i, base;
 
-    sscanf(chlist[4],"BBX %*d %d %*d %d", &height, &descent );
-    ascent = height+descent;
-    off = macfont->ascent-ascent;
-    for ( i=0; i<height; ++i )
-	ParseRow(macfont,ch,i+off,chlist[i+6]);
+    for ( base=0 ; chlist[base]!=NULL; ++base ) {
+	if ( strncmp(chlist[base],"BBX",3)==0 )
+	    sscanf(chlist[base],"BBX %*d %d %*d %d", &height, &descent );
+	else if ( strncmp(chlist[base],"BITMAP",6)==0 )
+    break;
+    }
+    if ( chlist[base]!=NULL ) {
+	ascent = height+descent;
+	off = macfont->ascent-ascent;
+	for ( i=0; i<height; ++i )
+	    ParseRow(macfont,ch,i+off,chlist[i+base+1]);
+    }
 }
 
 static void DummyUpFakeBitmap(struct macfont *macfont,int ch) {
-- 
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