Improve PFR tracing messages.

* src/pfr/pfrgload.c (pfr_glyph_load_rec): Emit tracing messages for
simple and compound glyph offsets.

ChangeLog

@@ -1,3 +1,10 @@
+2010-06-26  Werner Lemberg  <wl@gnu.org>
+
+	Improve PFR tracing messages.
+
+	* src/pfr/pfrgload.c (pfr_glyph_load_rec): Emit tracing messages for
+	simple and compound glyph offsets.
+
 2010-06-26  Werner Lemberg  <wl@gnu.org>
 
 	Fix last PFR change.

src/pfr/pfrgload.c

@@ -753,6 +753,9 @@
 
       count = glyph->num_subs - old_count;
 
+      FT_TRACE4(( "compound glyph with %d elements (offset %lu):\n",
+                  count, offset ));
+
       /* now, load each individual glyph */
       for ( n = 0; n < count; n++ )
       {
@@ -760,6 +763,8 @@
         PFR_SubGlyph  subglyph;
 
 
+        FT_TRACE4(( "subglyph %d:\n", n ));
+
         subglyph   = glyph->subs + old_count + n;
         old_points = base->n_points;
 
@@ -767,7 +772,7 @@
                                     subglyph->gps_offset,
                                     subglyph->gps_size );
         if ( error )
-          goto Exit;
+          break;
 
         /* note that `glyph->subs' might have been re-allocated */
         subglyph   = glyph->subs + old_count + n;
@@ -801,9 +806,13 @@
 
         /* proceed to next sub-glyph */
       }
+
+      FT_TRACE4(( "end compound glyph with %d elements\n", count ));
     }
     else
     {
+      FT_TRACE4(( "simple glyph (offset %lu)\n", offset ));
+
       /* load a simple glyph */
       error = pfr_glyph_load_simple( glyph, p, limit );
 
@@ -815,9 +824,6 @@
   }
 
 
-
-
-
   FT_LOCAL_DEF( FT_Error )
   pfr_glyph_load( PFR_Glyph  glyph,
                   FT_Stream  stream,