fixed max advance width computation within T1 driver

ChangeLog

@@ -1,3 +1,8 @@
+2002-04-17  Michael Jansson <mjan@em2-solutions.com>
+
+        * src/type1/t1gload.c (T1_Compute_Max_Advance): fixed a small bug
+          that prevented the function to return the correct value.
+
 2002-04-16  Francesco Zappa Nardelli  <Francesco.Zappa.Nardelli@ens.fr>
 
 	* src/pcf/pcfread (pcf_get_accell): Fix parsing of accelerator

docs/CHANGES

@@ -11,6 +11,10 @@ LATEST CHANGES BETWEEN 2.1.0 and 2.0.9
       to rounding errors.  The required vector computation routines have
       been optimized and placed within the "ttinterp.c" file.
 
+    - Fixed the parsing of accelerator tables in the PCF font driver
+    
+    - Fixed the Type1 glyph loader routine used to compute the font's
+      maximum advance width.
 
   II. NEW FEATURES
 

src/type1/t1gload.c

@@ -103,16 +103,20 @@
     decoder.subrs     = type1->subrs;
     decoder.subrs_len = type1->subrs_len;
 
+    *max_advance = 0;
+
     /* for each glyph, parse the glyph charstring and extract */
     /* the advance width                                      */
     for ( glyph_index = 0; glyph_index < type1->num_glyphs; glyph_index++ )
     {
       /* now get load the unscaled outline */
       error = T1_Parse_Glyph( &decoder, glyph_index );
+      if ( glyph_index == 0 || decoder.builder.advance.x > *max_advance )
+        *max_advance = decoder.builder.advance.x;
+        
       /* ignore the error if one occured - skip to next glyph */
     }
 
-    *max_advance = decoder.builder.advance.x;
     return T1_Err_Ok;
   }