Start of merges from freetype1 of OpenType fixes.

Sun Sep 29 14:51:25 2002  Owen Taylor  <otaylor@redhat.com>

        Start of merges from freetype1 of OpenType fixes.

        (2001-03-17  Werner Lemberg)

        * pango/opentype/ftxgdef.c pango/opentype/ftxgpos.c pango/opentype/ftxg\sub.c:
        More fixes for special marks.

src/ftxgdef.c

@@ -1152,14 +1152,17 @@
       if ( error )
         return error;
 
-      /* This is OpenType 1.2 */
-
       if ( flags & IGNORE_SPECIAL_MARKS )
+      {
+        /* This is OpenType 1.2 */
+
         if ( (flags & 0xFF00) != *property )
           return TTO_Err_Not_Covered;
-
-      if ( flags & *property )
-        return TTO_Err_Not_Covered;
+      }
+      else {
+        if ( flags & *property )
+          return TTO_Err_Not_Covered;
+      }
     }
 
     return TT_Err_Ok;

src/ftxgpos.c

@@ -1694,7 +1694,7 @@
     TTO_GPOSHeader*  gpos = gpi->gpos;
 
 
-    if ( in->pos >= in->length )
+    if ( in->pos >= in->length - 1 )
       return TTO_Err_Not_Covered;           /* Not enough glyphs in stream */
 
     if ( context_length != 0xFFFF && context_length < 2 )
@@ -2355,7 +2355,7 @@
       if ( error )
         return error;
 
-      if ( property != TTO_MARK )
+      if ( !( property == TTO_MARK || property & IGNORE_SPECIAL_MARKS ) )
         break;
 
       i++;
@@ -2763,7 +2763,7 @@
       if ( error )
         return error;
 
-      if ( property != TTO_MARK )
+      if ( !( property == TTO_MARK || property & IGNORE_SPECIAL_MARKS ) )
         break;
 
       i++;

src/ftxgsub.c

@@ -1203,7 +1203,7 @@
     if ( CHECK_Property( gdef, in->string[in->pos], flags, &property ) )
       return error;
 
-    if ( property == TTO_MARK )
+    if ( property == TTO_MARK || property & IGNORE_SPECIAL_MARKS )
       first_is_mark = TRUE;
 
     error = Coverage_Index( &ls->Coverage, in->string[in->pos], &index );
@@ -1243,7 +1243,7 @@
             break;
         }
 
-        if ( property != TTO_MARK )
+        if ( !( property == TTO_MARK || property & IGNORE_SPECIAL_MARKS ) )
           is_mark = FALSE;
 
         if ( s_in[j] != c[i - 1] )