Update to freetype 2.4.4. Tested by shadchin@, ajacoutot@, krw@.

22 files changed, 417 insertions, 134 deletions

diff --git a/lib/freetype/src/base/ftbase.h b/lib/freetype/src/base/ftbase.h
index 1dc49f3bd..6375613b2 100644
--- a/lib/freetype/src/base/ftbase.h
+++ b/lib/freetype/src/base/ftbase.h
@@ -49,6 +49,17 @@ FT_BEGIN_HEADER
                          FT_Face     *aface );
 
 
+#ifdef FT_CONFIG_OPTION_GUESSING_EMBEDDED_RFORK
+  /* Mac OS X/Darwin kernel often changes recommended method to access */
+  /* the resource fork and older methods makes the kernel issue the    */
+  /* warning of deprecated method.  To calm it down, the methods based */
+  /* on Darwin VFS should be grouped and skip the rest methods after   */
+  /* the case the resource is opened but found to lack a font in it.   */
+  FT_LOCAL( FT_Bool )
+  raccess_rule_by_darwin_vfs( FT_UInt  rule_index );
+#endif /* FT_CONFIG_OPTION_GUESSING_EMBEDDED_RFORK */
+
+
 FT_END_HEADER
 
 #endif /* __FTBASE_H__ */
diff --git a/lib/freetype/src/base/ftdbgmem.c b/lib/freetype/src/base/ftdbgmem.c
index 160269d19..12fed04bb 100644
--- a/lib/freetype/src/base/ftdbgmem.c
+++ b/lib/freetype/src/base/ftdbgmem.c
@@ -47,7 +47,7 @@
   typedef struct FT_MemTableRec_*   FT_MemTable;
 
 
-#define FT_MEM_VAL( addr )  ((FT_ULong)(FT_Pointer)( addr ))
+#define FT_MEM_VAL( addr )  ((FT_PtrDist)(FT_Pointer)( addr ))
 
   /*
    *  This structure holds statistics for a single allocation/release
@@ -275,7 +275,7 @@
       for ( i = 0; i < table->size; i++ )
       {
         FT_MemNode  node, next, *pnode;
-        FT_ULong    hash;
+        FT_PtrDist  hash;
 
 
         node = table->buckets[i];
@@ -430,7 +430,7 @@
   ft_mem_table_get_nodep( FT_MemTable  table,
                           FT_Byte*     address )
   {
-    FT_ULong     hash;
+    FT_PtrDist   hash;
     FT_MemNode  *pnode, node;
 
 
diff --git a/lib/freetype/src/base/ftobjs.c b/lib/freetype/src/base/ftobjs.c
index 7f38df0cb..cb44b8cca 100644
--- a/lib/freetype/src/base/ftobjs.c
+++ b/lib/freetype/src/base/ftobjs.c
@@ -1062,6 +1062,7 @@
       if ( cur[0]->platform_id == TT_PLATFORM_APPLE_UNICODE    &&
            cur[0]->encoding_id == TT_APPLE_ID_VARIANT_SELECTOR &&
            FT_Get_CMap_Format( cur[0] ) == 14                  )
+      {
 #ifdef FT_MAX_CHARMAP_CACHEABLE
         if ( cur - first > FT_MAX_CHARMAP_CACHEABLE )
         {
@@ -1071,6 +1072,7 @@
         }
 #endif
         return cur[0];
+      }
     }
 
     return NULL;
@@ -1849,6 +1851,7 @@
     char *     file_names[FT_RACCESS_N_RULES];
     FT_Long    offsets[FT_RACCESS_N_RULES];
     FT_Error   errors[FT_RACCESS_N_RULES];
+    FT_Bool    is_darwin_vfs, vfs_rfork_has_no_font = FALSE; /* not tested */
 
     FT_Open_Args  args2;
     FT_Stream     stream2 = 0;
@@ -1859,6 +1862,15 @@
 
     for ( i = 0; i < FT_RACCESS_N_RULES; i++ )
     {
+      is_darwin_vfs = raccess_rule_by_darwin_vfs( i );
+      if ( is_darwin_vfs && vfs_rfork_has_no_font )
+      {
+        FT_TRACE3(( "Skip rule %d: darwin vfs resource fork"
+                    " is already checked and"
+                    " no font is found\n", i ));
+        continue;
+      }  
+
       if ( errors[i] )
       {
         FT_TRACE3(( "Error[%d] has occurred in rule %d\n", errors[i], i ));
@@ -1872,6 +1884,9 @@
                   i, args2.pathname, offsets[i] ));
 
       error = FT_Stream_New( library, &args2, &stream2 );
+      if ( is_darwin_vfs && error == FT_Err_Cannot_Open_Stream )
+        vfs_rfork_has_no_font = TRUE;
+
       if ( error )
       {
         FT_TRACE3(( "failed\n" ));
@@ -1886,6 +1901,8 @@
 
       if ( !error )
           break;
+      else if ( is_darwin_vfs )
+          vfs_rfork_has_no_font = TRUE;
     }
 
     for (i = 0; i < FT_RACCESS_N_RULES; i++)
diff --git a/lib/freetype/src/base/ftrfork.c b/lib/freetype/src/base/ftrfork.c
index f64d28b26..6df2def77 100644
--- a/lib/freetype/src/base/ftrfork.c
+++ b/lib/freetype/src/base/ftrfork.c
@@ -349,6 +349,42 @@
                           const char  *insertion );
 
 
+  typedef enum  FT_RFork_Rule_ {
+    FT_RFork_Rule_invalid = -2,
+    FT_RFork_Rule_uknown, /* -1 */
+    FT_RFork_Rule_apple_double,
+    FT_RFork_Rule_apple_single,
+    FT_RFork_Rule_darwin_ufs_export,
+    FT_RFork_Rule_darwin_newvfs,
+    FT_RFork_Rule_darwin_hfsplus,
+    FT_RFork_Rule_vfat,
+    FT_RFork_Rule_linux_cap,
+    FT_RFork_Rule_linux_double,
+    FT_RFork_Rule_linux_netatalk
+  } FT_RFork_Rule;
+
+  /* For fast translation between rule index and rule type,
+   * the macros FT_RFORK_xxx should be kept consistent with
+   * the raccess_guess_funcs table
+   */
+  typedef struct raccess_guess_rec_ {
+    raccess_guess_func  func;
+    FT_RFork_Rule       type;
+  } raccess_guess_rec;
+
+  static raccess_guess_rec  raccess_guess_table[FT_RACCESS_N_RULES] =
+  {
+    { raccess_guess_apple_double,	FT_RFork_Rule_apple_double, },
+    { raccess_guess_apple_single,	FT_RFork_Rule_apple_single, },
+    { raccess_guess_darwin_ufs_export,	FT_RFork_Rule_darwin_ufs_export, },
+    { raccess_guess_darwin_newvfs,	FT_RFork_Rule_darwin_newvfs, },
+    { raccess_guess_darwin_hfsplus,	FT_RFork_Rule_darwin_hfsplus, },
+    { raccess_guess_vfat,		FT_RFork_Rule_vfat, },
+    { raccess_guess_linux_cap,		FT_RFork_Rule_linux_cap, },
+    { raccess_guess_linux_double,	FT_RFork_Rule_linux_double, },
+    { raccess_guess_linux_netatalk,	FT_RFork_Rule_linux_netatalk, },
+  };
+
   FT_BASE_DEF( void )
   FT_Raccess_Guess( FT_Library  library,
                     FT_Stream   stream,
@@ -360,19 +396,6 @@
     FT_Long  i;
 
 
-    raccess_guess_func  funcs[FT_RACCESS_N_RULES] =
-    {
-      raccess_guess_apple_double,
-      raccess_guess_apple_single,
-      raccess_guess_darwin_ufs_export,
-      raccess_guess_darwin_newvfs,
-      raccess_guess_darwin_hfsplus,
-      raccess_guess_vfat,
-      raccess_guess_linux_cap,
-      raccess_guess_linux_double,
-      raccess_guess_linux_netatalk,
-    };
-
     for ( i = 0; i < FT_RACCESS_N_RULES; i++ )
     {
       new_names[i] = NULL;
@@ -384,14 +407,41 @@
       if ( errors[i] )
         continue ;
 
-      errors[i] = (funcs[i])( library, stream, base_name,
-                              &(new_names[i]), &(offsets[i]) );
+      errors[i] = (raccess_guess_table[i].func)( library,
+                                                 stream, base_name,
+                                                 &(new_names[i]),
+                                                 &(offsets[i]) );
     }
 
     return;
   }
 
 
+  static FT_RFork_Rule
+  raccess_get_rule_type_from_rule_index( FT_UInt  rule_index )
+  {
+    if ( rule_index >= FT_RACCESS_N_RULES )
+      return FT_RFork_Rule_invalid;
+
+    return raccess_guess_table[rule_index].type;
+  }
+
+
+  FT_LOCAL_DEF( FT_Bool )
+  raccess_rule_by_darwin_vfs( FT_UInt  rule_index )
+  {
+    switch( raccess_get_rule_type_from_rule_index( rule_index ) )
+    {
+      case FT_RFork_Rule_darwin_newvfs:
+      case FT_RFork_Rule_darwin_hfsplus:
+        return TRUE;
+
+      default:
+        return FALSE;
+    }
+  }
+
+
   static FT_Error
   raccess_guess_apple_double( FT_Library  library,
                               FT_Stream   stream,
diff --git a/lib/freetype/src/base/ftsystem.c b/lib/freetype/src/base/ftsystem.c
index ba86005c5..66c5d76a9 100644
--- a/lib/freetype/src/base/ftsystem.c
+++ b/lib/freetype/src/base/ftsystem.c
@@ -229,6 +229,13 @@
     if ( !stream )
       return FT_Err_Invalid_Stream_Handle;
 
+    stream->descriptor.pointer = NULL;
+    stream->pathname.pointer   = (char*)filepathname;
+    stream->base               = 0;
+    stream->pos                = 0;
+    stream->read               = NULL;
+    stream->close              = NULL;
+
     file = ft_fopen( filepathname, "rb" );
     if ( !file )
     {
@@ -240,12 +247,16 @@
 
     ft_fseek( file, 0, SEEK_END );
     stream->size = ft_ftell( file );
+    if ( !stream->size )
+    {
+      FT_ERROR(( "FT_Stream_Open:" ));
+      FT_ERROR(( " opened `%s' but zero-sized\n", filepathname ));
+      ft_fclose( file );
+      return FT_Err_Cannot_Open_Stream;
+    }
     ft_fseek( file, 0, SEEK_SET );
 
     stream->descriptor.pointer = file;
-    stream->pathname.pointer   = (char*)filepathname;
-    stream->pos                = 0;
-
     stream->read  = ft_ansi_stream_io;
     stream->close = ft_ansi_stream_close;
 
diff --git a/lib/freetype/src/cache/ftcbasic.c b/lib/freetype/src/cache/ftcbasic.c
index 9fb6ddb1e..609ff78e5 100644
--- a/lib/freetype/src/cache/ftcbasic.c
+++ b/lib/freetype/src/cache/ftcbasic.c
@@ -318,7 +318,7 @@
     FTC_BasicQueryRec  query;
     FTC_Node           node = 0; /* make compiler happy */
     FT_Error           error;
-    FT_UInt32          hash;
+    FT_PtrDist         hash;
 
 
     /* some argument checks are delayed to FTC_Cache_Lookup */
@@ -414,7 +414,7 @@
     FTC_BasicQueryRec  query;
     FTC_Node           node = 0; /* make compiler happy */
     FT_Error           error;
-    FT_UInt32          hash;
+    FT_PtrDist         hash;
 
 
     /* some argument checks are delayed to FTC_Cache_Lookup */
@@ -656,7 +656,7 @@
     FT_Error           error;
     FTC_BasicQueryRec  query;
     FTC_Node           node = 0; /* make compiler happy */
-    FT_UInt32          hash;
+    FT_PtrDist         hash;
 
 
     if ( anode )
@@ -753,7 +753,7 @@
     FT_Error           error;
     FTC_BasicQueryRec  query;
     FTC_Node           node = 0; /* make compiler happy */
-    FT_UInt32          hash;
+    FT_PtrDist         hash;
 
 
     if ( anode )
diff --git a/lib/freetype/src/cache/ftccache.c b/lib/freetype/src/cache/ftccache.c
index e0d43d5ad..a5a915e08 100644
--- a/lib/freetype/src/cache/ftccache.c
+++ b/lib/freetype/src/cache/ftccache.c
@@ -410,7 +410,7 @@
 
   static void
   ftc_cache_add( FTC_Cache  cache,
-                 FT_UInt32  hash,
+                 FT_PtrDist hash,
                  FTC_Node   node )
   {
     node->hash = hash;
@@ -438,7 +438,7 @@
 
   FT_LOCAL_DEF( FT_Error )
   FTC_Cache_NewNode( FTC_Cache   cache,
-                     FT_UInt32   hash,
+                     FT_PtrDist  hash,
                      FT_Pointer  query,
                      FTC_Node   *anode )
   {
@@ -477,7 +477,7 @@
 
   FT_LOCAL_DEF( FT_Error )
   FTC_Cache_Lookup( FTC_Cache   cache,
-                    FT_UInt32   hash,
+                    FT_PtrDist  hash,
                     FT_Pointer  query,
                     FTC_Node   *anode )
   {
diff --git a/lib/freetype/src/cache/ftccache.h b/lib/freetype/src/cache/ftccache.h
index 1b695849c..10830a9f8 100644
--- a/lib/freetype/src/cache/ftccache.h
+++ b/lib/freetype/src/cache/ftccache.h
@@ -24,6 +24,9 @@
 
 FT_BEGIN_HEADER
 
+#define _FTC_FACE_ID_HASH( i )                              \
+          ((FT_PtrDist)(( (FT_PtrDist)(i) >> 3 ) ^ ( (FT_PtrDist)(i) << 7 )))
+
   /* handle to cache object */
   typedef struct FTC_CacheRec_*  FTC_Cache;
 
@@ -56,7 +59,7 @@ FT_BEGIN_HEADER
   {
     FTC_MruNodeRec  mru;          /* circular mru list pointer           */
     FTC_Node        link;         /* used for hashing                    */
-    FT_UInt32       hash;         /* used for hashing too                */
+    FT_PtrDist      hash;         /* used for hashing too                */
     FT_UShort       cache_index;  /* index of cache the node belongs to  */
     FT_Short        ref_count;    /* reference count for this node       */
 
@@ -168,14 +171,14 @@ FT_BEGIN_HEADER
 #ifndef FTC_INLINE
   FT_LOCAL( FT_Error )
   FTC_Cache_Lookup( FTC_Cache   cache,
-                    FT_UInt32   hash,
+                    FT_PtrDist  hash,
                     FT_Pointer  query,
                     FTC_Node   *anode );
 #endif
 
   FT_LOCAL( FT_Error )
   FTC_Cache_NewNode( FTC_Cache   cache,
-                     FT_UInt32   hash,
+                     FT_PtrDist  hash,
                      FT_Pointer  query,
                      FTC_Node   *anode );
 
@@ -200,7 +203,7 @@ FT_BEGIN_HEADER
   FT_BEGIN_STMNT                                                         \
     FTC_Node             *_bucket, *_pnode, _node;                       \
     FTC_Cache             _cache   = FTC_CACHE(cache);                   \
-    FT_UInt32             _hash    = (FT_UInt32)(hash);                  \
+    FT_PtrDist            _hash    = (FT_PtrDist)(hash);                 \
     FTC_Node_CompareFunc  _nodcomp = (FTC_Node_CompareFunc)(nodecmp);    \
     FT_UFast              _idx;                                          \
                                                                          \
diff --git a/lib/freetype/src/cache/ftccmap.c b/lib/freetype/src/cache/ftccmap.c
index 121049207..15060baf7 100644
--- a/lib/freetype/src/cache/ftccmap.c
+++ b/lib/freetype/src/cache/ftccmap.c
@@ -87,7 +87,7 @@
 
   /* compute a query/node hash */
 #define FTC_CMAP_HASH( faceid, index, charcode )         \
-          ( FTC_FACE_ID_HASH( faceid ) + 211 * (index) + \
+          ( _FTC_FACE_ID_HASH( faceid ) + 211 * (index) + \
             ( (charcode) / FTC_CMAP_INDICES_MAX )      )
 
   /* the charmap query */
@@ -287,7 +287,7 @@
     FTC_Node          node;
     FT_Error          error;
     FT_UInt           gindex = 0;
-    FT_UInt32         hash;
+    FT_PtrDist        hash;
     FT_Int            no_cmap_change = 0;
 
 
diff --git a/lib/freetype/src/cache/ftcglyph.c b/lib/freetype/src/cache/ftcglyph.c
index a9ab0c319..a73e2431e 100644
--- a/lib/freetype/src/cache/ftcglyph.c
+++ b/lib/freetype/src/cache/ftcglyph.c
@@ -175,7 +175,7 @@
 
   FT_LOCAL_DEF( FT_Error )
   FTC_GCache_Lookup( FTC_GCache   cache,
-                     FT_UInt32    hash,
+                     FT_PtrDist   hash,
                      FT_UInt      gindex,
                      FTC_GQuery   query,
                      FTC_Node    *anode )
diff --git a/lib/freetype/src/cache/ftcglyph.h b/lib/freetype/src/cache/ftcglyph.h
index c18f9c3af..2bc5624c6 100644
--- a/lib/freetype/src/cache/ftcglyph.h
+++ b/lib/freetype/src/cache/ftcglyph.h
@@ -254,7 +254,7 @@ FT_BEGIN_HEADER
 #ifndef FTC_INLINE
   FT_LOCAL( FT_Error )
   FTC_GCache_Lookup( FTC_GCache   cache,
-                     FT_UInt32    hash,
+                     FT_PtrDist   hash,
                      FT_UInt      gindex,
                      FTC_GQuery   query,
                      FTC_Node    *anode );
diff --git a/lib/freetype/src/cache/ftcmanag.h b/lib/freetype/src/cache/ftcmanag.h
index 3fdc2c773..13f26bb10 100644
--- a/lib/freetype/src/cache/ftcmanag.h
+++ b/lib/freetype/src/cache/ftcmanag.h
@@ -161,7 +161,7 @@ FT_BEGIN_HEADER
           (a)->y_res == (b)->y_res ) ) )
 
 #define FTC_SCALER_HASH( q )                                 \
-    ( FTC_FACE_ID_HASH( (q)->face_id ) +                     \
+    ( _FTC_FACE_ID_HASH( (q)->face_id ) +                     \
       (q)->width + (q)->height*7 +                           \
       ( (q)->pixel ? 0 : ( (q)->x_res*33 ^ (q)->y_res*61 ) ) )
 
diff --git a/lib/freetype/src/psaux/t1decode.c b/lib/freetype/src/psaux/t1decode.c
index babf3ba1a..ea31c51b1 100644
--- a/lib/freetype/src/psaux/t1decode.c
+++ b/lib/freetype/src/psaux/t1decode.c
@@ -373,15 +373,6 @@
 #endif
 
 
-    /* we don't want to touch the source code -- use macro trick */
-#define start_point    t1_builder_start_point
-#define check_points   t1_builder_check_points
-#define add_point      t1_builder_add_point
-#define add_point1     t1_builder_add_point1
-#define add_contour    t1_builder_add_contour
-#define close_contour  t1_builder_close_contour
-
-
     /* compute random seed from stack address of parameter */
     seed = (FT_Fixed)( ( (FT_PtrDist)(char*)&seed              ^
                          (FT_PtrDist)(char*)&decoder           ^
@@ -739,8 +730,10 @@
 
           decoder->flex_state        = 1;
           decoder->num_flex_vectors  = 0;
-          if ( start_point( builder, x, y ) ||
-               check_points( builder, 6 )   )
+          if ( ( error = t1_builder_start_point( builder, x, y ) )
+                 != PSaux_Err_Ok                                   ||
+               ( error = t1_builder_check_points( builder, 6 ) )
+                 != PSaux_Err_Ok                                   )
             goto Fail;
           break;
 
@@ -757,10 +750,10 @@
             /* point without adding any point to the outline    */
             idx = decoder->num_flex_vectors++;
             if ( idx > 0 && idx < 7 )
-              add_point( builder,
-                         x,
-                         y,
-                         (FT_Byte)( idx == 3 || idx == 6 ) );
+              t1_builder_add_point( builder,
+                                    x,
+                                    y,
+                                    (FT_Byte)( idx == 3 || idx == 6 ) );
           }
           break;
 
@@ -1077,7 +1070,7 @@
         case op_endchar:
           FT_TRACE4(( " endchar\n" ));
 
-          close_contour( builder );
+          t1_builder_close_contour( builder );
 
           /* close hints recording session */
           if ( hinter )
@@ -1176,7 +1169,7 @@
           /* if there is no path, `closepath' is a no-op */
           if ( builder->parse_state == T1_Parse_Have_Path   ||
                builder->parse_state == T1_Parse_Have_Moveto )
-            close_contour( builder );
+            t1_builder_close_contour( builder );
 
           builder->parse_state = T1_Parse_Have_Width;
           break;
@@ -1184,7 +1177,8 @@
         case op_hlineto:
           FT_TRACE4(( " hlineto" ));
 
-          if ( start_point( builder, x, y ) )
+          if ( ( error = t1_builder_start_point( builder, x, y ) )
+                 != PSaux_Err_Ok )
             goto Fail;
 
           x += top[0];
@@ -1205,30 +1199,34 @@
         case op_hvcurveto:
           FT_TRACE4(( " hvcurveto" ));
 
-          if ( start_point( builder, x, y ) ||
-               check_points( builder, 3 )   )
+          if ( ( error = t1_builder_start_point( builder, x, y ) )
+                 != PSaux_Err_Ok                                   ||
+               ( error = t1_builder_check_points( builder, 3 ) )
+                 != PSaux_Err_Ok                                   )
             goto Fail;
 
           x += top[0];
-          add_point( builder, x, y, 0 );
+          t1_builder_add_point( builder, x, y, 0 );
           x += top[1];
           y += top[2];
-          add_point( builder, x, y, 0 );
+          t1_builder_add_point( builder, x, y, 0 );
           y += top[3];
-          add_point( builder, x, y, 1 );
+          t1_builder_add_point( builder, x, y, 1 );
           break;
 
         case op_rlineto:
           FT_TRACE4(( " rlineto" ));
 
-          if ( start_point( builder, x, y ) )
+          if ( ( error = t1_builder_start_point( builder, x, y ) )
+                 != PSaux_Err_Ok )
             goto Fail;
 
           x += top[0];
           y += top[1];
 
         Add_Line:
-          if ( add_point1( builder, x, y ) )
+          if ( ( error = t1_builder_add_point1( builder, x, y ) )
+                 != PSaux_Err_Ok )
             goto Fail;
           break;
 
@@ -1248,43 +1246,48 @@
         case op_rrcurveto:
           FT_TRACE4(( " rrcurveto" ));
 
-          if ( start_point( builder, x, y ) ||
-               check_points( builder, 3 )   )
+          if ( ( error = t1_builder_start_point( builder, x, y ) )
+                 != PSaux_Err_Ok                                   ||
+               ( error = t1_builder_check_points( builder, 3 ) )
+                 != PSaux_Err_Ok                                   )
             goto Fail;
 
           x += top[0];
           y += top[1];
-          add_point( builder, x, y, 0 );
+          t1_builder_add_point( builder, x, y, 0 );
 
           x += top[2];
           y += top[3];
-          add_point( builder, x, y, 0 );
+          t1_builder_add_point( builder, x, y, 0 );
 
           x += top[4];
           y += top[5];
-          add_point( builder, x, y, 1 );
+          t1_builder_add_point( builder, x, y, 1 );
           break;
 
         case op_vhcurveto:
           FT_TRACE4(( " vhcurveto" ));
 
-          if ( start_point( builder, x, y ) ||
-               check_points( builder, 3 )   )
+          if ( ( error = t1_builder_start_point( builder, x, y ) )
+                 != PSaux_Err_Ok                                   ||
+               ( error = t1_builder_check_points( builder, 3 ) )
+                 != PSaux_Err_Ok                                   )
             goto Fail;
 
           y += top[0];
-          add_point( builder, x, y, 0 );
+          t1_builder_add_point( builder, x, y, 0 );
           x += top[1];
           y += top[2];
-          add_point( builder, x, y, 0 );
+          t1_builder_add_point( builder, x, y, 0 );
           x += top[3];
-          add_point( builder, x, y, 1 );
+          t1_builder_add_point( builder, x, y, 1 );
           break;
 
         case op_vlineto:
           FT_TRACE4(( " vlineto" ));
 
-          if ( start_point( builder, x, y ) )
+          if ( ( error = t1_builder_start_point( builder, x, y ) )
+                 != PSaux_Err_Ok )
             goto Fail;
 
           y += top[0];
diff --git a/lib/freetype/src/raster/ftraster.c b/lib/freetype/src/raster/ftraster.c
index 8feba2bfb..9638dfb02 100644
--- a/lib/freetype/src/raster/ftraster.c
+++ b/lib/freetype/src/raster/ftraster.c
@@ -302,7 +302,6 @@
   typedef short           Short;
   typedef unsigned short  UShort, *PUShort;
   typedef long            Long, *PLong;
-  typedef unsigned long   ULong;
 
   typedef unsigned char   Byte, *PByte;
   typedef char            Bool;
@@ -448,7 +447,6 @@
     Int         precision_bits;     /* precision related variables         */
     Int         precision;
     Int         precision_half;
-    Long        precision_mask;
     Int         precision_shift;
     Int         precision_step;
     Int         precision_jitter;
@@ -671,7 +669,6 @@
     ras.precision       = 1 << ras.precision_bits;
     ras.precision_half  = ras.precision / 2;
     ras.precision_shift = ras.precision_bits - Pixel_Bits;
-    ras.precision_mask  = -ras.precision;
   }
 
 
@@ -725,13 +722,13 @@
       if ( overshoot )
         ras.cProfile->flags |= Overshoot_Bottom;
 
-      FT_TRACE6(( "New ascending profile = %lx\n", (long)ras.cProfile ));
+      FT_TRACE6(( "New ascending profile = %p\n", ras.cProfile ));
       break;
 
     case Descending_State:
       if ( overshoot )
         ras.cProfile->flags |= Overshoot_Top;
-      FT_TRACE6(( "New descending profile = %lx\n", (long)ras.cProfile ));
+      FT_TRACE6(( "New descending profile = %p\n", ras.cProfile ));
       break;
 
     default:
@@ -784,8 +781,8 @@
 
     if ( h > 0 )
     {
-      FT_TRACE6(( "Ending profile %lx, start = %ld, height = %ld\n",
-                  (long)ras.cProfile, ras.cProfile->start, h ));
+      FT_TRACE6(( "Ending profile %p, start = %ld, height = %ld\n",
+                  ras.cProfile, ras.cProfile->start, h ));
 
       ras.cProfile->height = h;
       if ( overshoot )
@@ -1094,7 +1091,7 @@
         return SUCCESS;
       else
       {
-        x1 += FMulDiv( Dx, ras.precision - f1, Dy );
+        x1 += SMulDiv( Dx, ras.precision - f1, Dy );
         e1 += 1;
       }
     }
@@ -1122,13 +1119,13 @@
 
     if ( Dx > 0 )
     {
-      Ix = SMulDiv( ras.precision, Dx,  Dy);
+      Ix = SMulDiv( ras.precision, Dx, Dy);
       Rx = ( ras.precision * Dx ) % Dy;
       Dx = 1;
     }
     else
     {
-      Ix = SMulDiv( ras.precision, -Dx,  Dy) * -1;
+      Ix = SMulDiv( ras.precision, -Dx, Dy) * -1;
       Rx =    ( ras.precision * -Dx ) % Dy;
       Dx = -1;
     }
diff --git a/lib/freetype/src/sfnt/sfobjs.c b/lib/freetype/src/sfnt/sfobjs.c
index 6e35e2db0..5a1d0031e 100644
--- a/lib/freetype/src/sfnt/sfobjs.c
+++ b/lib/freetype/src/sfnt/sfobjs.c
@@ -691,9 +691,7 @@
       LOAD_( os2 );
       if ( error )
       {
-        if ( error != SFNT_Err_Table_Missing )
-          goto Exit;
-
+        /* we treat the table as missing if there are any errors */
         face->os2.version = 0xFFFFU;
       }
     }
diff --git a/lib/freetype/src/sfnt/ttload.c b/lib/freetype/src/sfnt/ttload.c
index 84aef2dde..20bac73d2 100644
--- a/lib/freetype/src/sfnt/ttload.c
+++ b/lib/freetype/src/sfnt/ttload.c
@@ -384,6 +384,10 @@
 
     entry = face->dir_tables;
 
+    FT_TRACE2(( "\n"
+                "  tag    offset    length   checksum\n"
+                "  ----------------------------------\n" ));
+
     for ( nn = 0; nn < sfnt.num_tables; nn++ )
     {
       entry->Tag      = FT_GET_TAG4();
@@ -396,13 +400,14 @@
         continue;
       else
       {
-        FT_TRACE2(( "  %c%c%c%c  -  %08lx  -  %08lx\n",
+        FT_TRACE2(( "  %c%c%c%c  %08lx  %08lx  %08lx\n",
                     (FT_Char)( entry->Tag >> 24 ),
                     (FT_Char)( entry->Tag >> 16 ),
                     (FT_Char)( entry->Tag >> 8  ),
                     (FT_Char)( entry->Tag       ),
                     entry->Offset,
-                    entry->Length ));
+                    entry->Length,
+                    entry->CheckSum ));
         entry++;
       }
     }
diff --git a/lib/freetype/src/sfnt/ttpost.c b/lib/freetype/src/sfnt/ttpost.c
index b672d093d..6f4bb1d0d 100644
--- a/lib/freetype/src/sfnt/ttpost.c
+++ b/lib/freetype/src/sfnt/ttpost.c
@@ -26,6 +26,7 @@
 
 
 #include <ft2build.h>
+#include FT_INTERNAL_DEBUG_H
 #include FT_INTERNAL_STREAM_H
 #include FT_TRUETYPE_TAGS_H
 #include "ttpost.h"
diff --git a/lib/freetype/src/smooth/ftgrays.c b/lib/freetype/src/smooth/ftgrays.c
index 17d172f68..a85e16086 100644
--- a/lib/freetype/src/smooth/ftgrays.c
+++ b/lib/freetype/src/smooth/ftgrays.c
@@ -91,11 +91,6 @@
 #define FT_COMPONENT  trace_smooth
 
 
-  /* The maximum distance of a curve from the chord, in 64ths of a pixel; */
-  /* used when flattening curves.                                         */
-#define FT_MAX_CURVE_DEVIATION  16
-
-
 #ifdef _STANDALONE_
 
 
@@ -882,40 +877,35 @@ typedef ptrdiff_t  FT_PtrDist;
     FT_Vector*  arc;
 
 
-    dx = DOWNSCALE( ras.x ) + to->x - ( control->x << 1 );
-    if ( dx < 0 )
-      dx = -dx;
-    dy = DOWNSCALE( ras.y ) + to->y - ( control->y << 1 );
-    if ( dy < 0 )
-      dy = -dy;
+    arc      = ras.bez_stack;
+    arc[0].x = UPSCALE( to->x );
+    arc[0].y = UPSCALE( to->y );
+    arc[1].x = UPSCALE( control->x );
+    arc[1].y = UPSCALE( control->y );
+    arc[2].x = ras.x;
+    arc[2].y = ras.y;
+
+    dx = FT_ABS( arc[2].x + arc[0].x - 2 * arc[1].x );
+    dy = FT_ABS( arc[2].y + arc[0].y - 2 * arc[1].y );
     if ( dx < dy )
       dx = dy;
 
-    if ( dx <= FT_MAX_CURVE_DEVIATION )
+    if ( dx <= ONE_PIXEL / 4 )
     {
-      gray_render_line( RAS_VAR_ UPSCALE( to->x ), UPSCALE( to->y ) );
+      gray_render_line( RAS_VAR_ arc[0].x, arc[0].y );
       return;
     }
 
-    level = 1;
-    dx /= FT_MAX_CURVE_DEVIATION;
-    while ( dx > 1 )
+    level = 0;
+    while ( dx > ONE_PIXEL / 4 )
     {
       dx >>= 2;
       level++;
     }
 
-    arc       = ras.bez_stack;
     levels    = ras.lev_stack;
-    top       = 0;
     levels[0] = level;
-
-    arc[0].x = UPSCALE( to->x );
-    arc[0].y = UPSCALE( to->y );
-    arc[1].x = UPSCALE( control->x );
-    arc[1].y = UPSCALE( control->y );
-    arc[2].x = ras.x;
-    arc[2].y = ras.y;
+    top       = 0;
 
     while ( top >= 0 )
     {
@@ -1067,14 +1057,20 @@ typedef ptrdiff_t  FT_PtrDist;
 
         dx_ = FT_ABS( dx );
         dy_ = FT_ABS( dy );
-        L = ( 236 * FT_MAX( dx_, dy_ ) + 97 * FT_MIN( dx_, dy_ ) ) >> 8;
+
+        /* This is the same as                     */
+        /*                                         */
+        /*   L = ( 236 * FT_MAX( dx_, dy_ )        */
+        /*       + 97 * FT_MIN( dx_, dy_ ) ) >> 8; */
+        L = ( dx_ > dy_ ? 236 * dx_ +  97 * dy_
+                        :  97 * dx_ + 236 * dy_ ) >> 8;
 
         /* Avoid possible arithmetic overflow below by splitting. */
         if ( L > 32767 )
           goto Split;
 
         /* Max deviation may be as much as (s/L) * 3/4 (if Hain's v = 1). */
-        s_limit = L * (TPos)( FT_MAX_CURVE_DEVIATION / 0.75 );
+        s_limit = L * (TPos)( ONE_PIXEL / 6 );
 
         /* s is L * the perpendicular distance from P1 to the line P0-P3. */
         dx1 = arc[1].x - arc[0].x;
diff --git a/lib/freetype/src/truetype/ttinterp.c b/lib/freetype/src/truetype/ttinterp.c
index e196dcea0..f55b8eeab 100644
--- a/lib/freetype/src/truetype/ttinterp.c
+++ b/lib/freetype/src/truetype/ttinterp.c
@@ -478,8 +478,7 @@
     return TT_Err_Ok;
 
   Fail_Memory:
-    FT_ERROR(( "Init_Context: not enough memory for 0x%08lx\n",
-               (FT_Long)exec ));
+    FT_ERROR(( "Init_Context: not enough memory for %p\n", exec ));
     TT_Done_Context( exec );
 
     return error;
@@ -596,6 +595,12 @@
       exec->storage   = size->storage;
 
       exec->twilight  = size->twilight;
+
+      /* In case of multi-threading it can happen that the old size object */
+      /* no longer exists, thus we must clear all glyph zone references.   */
+      ft_memset( &exec->zp0, 0, sizeof ( exec->zp0 ) );
+      exec->zp1 = exec->zp0;
+      exec->zp2 = exec->zp0;
     }
 
     /* XXX: We reserve a little more elements on the stack to deal safely */
diff --git a/lib/freetype/src/truetype/ttobjs.c b/lib/freetype/src/truetype/ttobjs.c
index c884402dd..8fe86ad10 100644
--- a/lib/freetype/src/truetype/ttobjs.c
+++ b/lib/freetype/src/truetype/ttobjs.c
@@ -147,11 +147,14 @@
   /* This list shall be expanded as we find more of them.       */
 
   static FT_Bool
-  tt_check_trickyness( FT_String*  name )
+  tt_check_trickyness_family( FT_String*  name )
   {
+
 #define TRICK_NAMES_MAX_CHARACTERS  16
-#define TRICK_NAMES_COUNT 8
-    static const char trick_names[TRICK_NAMES_COUNT][TRICK_NAMES_MAX_CHARACTERS+1] =
+#define TRICK_NAMES_COUNT            8
+
+    static const char trick_names[TRICK_NAMES_COUNT]
+                                 [TRICK_NAMES_MAX_CHARACTERS + 1] =
     {
       "DFKaiSho-SB",     /* dfkaisb.ttf */
       "DFKaiShu",
@@ -162,14 +165,10 @@
       "PMingLiU",        /* mingliu.ttc */
       "MingLi43",        /* mingli.ttf */
     };
-    int  nn;
 
+    int  nn;
 
-    if ( !name )
-      return TRUE;
 
-    /* Note that we only check the face name at the moment; it might */
-    /* be worth to do more checks for a few special cases.           */
     for ( nn = 0; nn < TRICK_NAMES_COUNT; nn++ )
       if ( ft_strstr( name, trick_names[nn] ) )
         return TRUE;
@@ -178,6 +177,181 @@
   }
 
 
+  /* XXX: This function should be in the `sfnt' module. */
+
+  /* Some PDF generators clear the checksums in the TrueType header table. */
+  /* For example, Quartz ContextPDF clears all entries, or Bullzip PDF     */
+  /* Printer clears the entries for subsetted subtables.  We thus have to  */
+  /* recalculate the checksums  where necessary.                           */
+
+  static FT_UInt32
+  tt_synth_sfnt_checksum( FT_Stream  stream,
+                          FT_ULong   length )
+  {
+    FT_Error   error;
+    FT_UInt32  checksum = 0;
+    int        i;
+
+
+    if ( FT_FRAME_ENTER( length ) )
+      return 0;
+
+    for ( ; length > 3; length -= 4 )
+      checksum += (FT_UInt32)FT_GET_ULONG();
+
+    for ( i = 3; length > 0; length --, i-- )
+      checksum += (FT_UInt32)( FT_GET_BYTE() << ( i * 8 ) );
+
+    FT_FRAME_EXIT();
+
+    return checksum;
+  }
+
+
+  /* XXX: This function should be in the `sfnt' module. */
+
+  static FT_ULong
+  tt_get_sfnt_checksum( TT_Face    face,
+                        FT_UShort  i )
+  {
+    if ( face->dir_tables[i].CheckSum )
+      return face->dir_tables[i].CheckSum;
+
+    else if ( !face->goto_table )
+      return 0;
+
+    else if ( !face->goto_table( face,
+                                 face->dir_tables[i].Tag,
+                                 face->root.stream,
+                                 NULL ) )
+      return 0;
+
+    return (FT_ULong)tt_synth_sfnt_checksum( face->root.stream,
+                                             face->dir_tables[i].Length );
+  }
+
+
+  typedef struct tt_sfnt_id_rec_
+  {
+    FT_ULong  CheckSum;
+    FT_ULong  Length;
+
+  } tt_sfnt_id_rec;
+
+
+  static FT_Bool
+  tt_check_trickyness_sfnt_ids( TT_Face  face )
+  {
+#define TRICK_SFNT_IDS_PER_FACE   3
+#define TRICK_SFNT_IDS_NUM_FACES  5
+
+    static const tt_sfnt_id_rec sfnt_id[TRICK_SFNT_IDS_NUM_FACES]
+                                       [TRICK_SFNT_IDS_PER_FACE] = {
+
+#define TRICK_SFNT_ID_cvt   0
+#define TRICK_SFNT_ID_fpgm  1
+#define TRICK_SFNT_ID_prep  2
+
+      { /* MingLiU 1995 */
+        { 0x05bcf058, 0x000002e4 }, /* cvt  */
+        { 0x28233bf1, 0x000087c4 }, /* fpgm */
+        { 0xa344a1ea, 0x000001e1 }  /* prep */
+      },
+      { /* MingLiU 1996- */
+        { 0x05bcf058, 0x000002e4 }, /* cvt  */
+        { 0x28233bf1, 0x000087c4 }, /* fpgm */
+        { 0xa344a1eb, 0x000001e1 }  /* prep */
+      },
+      { /* DFKaiShu */
+        { 0x11e5ead4, 0x00000350 }, /* cvt  */
+        { 0x5a30ca3b, 0x00009063 }, /* fpgm */
+        { 0x13a42602, 0x0000007e }  /* prep */
+      },
+      { /* HuaTianKaiTi */
+        { 0xfffbfffc, 0x00000008 }, /* cvt  */
+        { 0x9c9e48b8, 0x0000bea2 }, /* fpgm */
+        { 0x70020112, 0x00000008 }  /* prep */
+      },
+      { /* HuaTianSongTi */
+        { 0xfffbfffc, 0x00000008 }, /* cvt  */
+        { 0x0a5a0483, 0x00017c39 }, /* fpgm */
+        { 0x70020112, 0x00000008 }  /* prep */
+      }
+    };
+
+    FT_ULong  checksum;
+    int       num_matched_ids[TRICK_SFNT_IDS_NUM_FACES];
+    int       i, j, k;
+
+
+    FT_MEM_SET( num_matched_ids, 0,
+                sizeof( int ) * TRICK_SFNT_IDS_NUM_FACES );
+
+    for ( i = 0; i < face->num_tables; i++ )
+    {
+      checksum = 0;
+
+      switch( face->dir_tables[i].Tag )
+      {
+      case TTAG_cvt:
+        k = TRICK_SFNT_ID_cvt;
+        break;
+
+      case TTAG_fpgm:
+        k = TRICK_SFNT_ID_fpgm;
+        break;
+
+      case TTAG_prep:
+        k = TRICK_SFNT_ID_prep;
+        break;
+
+      default:
+        continue;
+      }
+
+      for ( j = 0; j < TRICK_SFNT_IDS_NUM_FACES; j++ )
+        if ( face->dir_tables[i].Length == sfnt_id[j][k].Length )
+        {
+          if ( !checksum )
+            checksum = tt_get_sfnt_checksum( face, i );
+
+          if ( sfnt_id[j][k].CheckSum == checksum )
+            num_matched_ids[j]++;
+
+          if ( num_matched_ids[j] == TRICK_SFNT_IDS_PER_FACE )
+            return TRUE;
+        }
+    }
+
+    return FALSE;
+  }
+
+
+  static FT_Bool
+  tt_check_trickyness( FT_Face  face )
+  {
+    if ( !face )
+      return FALSE;
+
+    /* First, check the face name. */
+    if ( face->family_name )
+    {
+      if ( tt_check_trickyness_family( face->family_name ) )
+        return TRUE;
+      else
+        return FALSE;
+    }
+
+    /* Type42 fonts may lack `name' tables, we thus try to identify */
+    /* tricky fonts by checking the checksums of Type42-persistent  */
+    /* sfnt tables (`cvt', `fpgm', and `prep').                     */
+    if ( tt_check_trickyness_sfnt_ids( (TT_Face)face ) )
+      return TRUE;
+
+    return FALSE;
+  }
+
+
   /*************************************************************************/
   /*                                                                       */
   /* <Function>                                                            */
@@ -252,7 +426,7 @@
     if ( error )
       goto Exit;
 
-    if ( tt_check_trickyness( ttface->family_name ) )
+    if ( tt_check_trickyness( ttface ) )
       ttface->face_flags |= FT_FACE_FLAG_TRICKY;
 
     error = tt_face_load_hdmx( face, stream );
diff --git a/lib/freetype/src/truetype/ttpload.c b/lib/freetype/src/truetype/ttpload.c
index c53173359..68a545315 100644
--- a/lib/freetype/src/truetype/ttpload.c
+++ b/lib/freetype/src/truetype/ttpload.c
@@ -4,7 +4,7 @@
 /*                                                                         */
 /*    TrueType-specific tables loader (body).                              */
 /*                                                                         */
-/*  Copyright 1996-2001, 2002, 2004, 2005, 2006, 2007, 2008, 2009 by       */
+/*  Copyright 1996-2001, 2002, 2004, 2005, 2006, 2007, 2008, 2009, 2010 by */
 /*  David Turner, Robert Wilhelm, and Werner Lemberg.                      */
 /*                                                                         */
 /*  This file is part of the FreeType project, and may only be used,       */
@@ -137,6 +137,12 @@
             dist = diff;
         }
 
+        if ( entry == limit )
+        {
+          /* `loca' is the last table */
+          dist = stream->size - pos;
+        }
+
         if ( new_loca_len <= dist )
         {
           face->num_locations = face->root.num_glyphs;
@@ -307,7 +313,7 @@
       FT_Short*  limit = cur + face->cvt_size;
 
 
-      for ( ; cur <  limit; cur++ )
+      for ( ; cur < limit; cur++ )
         *cur = FT_GET_SHORT();
     }
 
diff --git a/lib/freetype/src/type1/t1load.c b/lib/freetype/src/type1/t1load.c
index d867e942c..c9b6c1d0a 100644
--- a/lib/freetype/src/type1/t1load.c
+++ b/lib/freetype/src/type1/t1load.c
@@ -4,7 +4,8 @@
 /*                                                                         */
 /*    Type 1 font loader (body).                                           */
 /*                                                                         */
-/*  Copyright 1996-2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009 by */
+/*  Copyright 1996-2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009,   */
+/*            2010 by                                                      */
 /*  David Turner, Robert Wilhelm, and Werner Lemberg.                      */
 /*                                                                         */
 /*  This file is part of the FreeType project, and may only be used,       */
@@ -1045,7 +1046,8 @@
 
     if ( cur < limit && ft_isdigit( *cur ) )
     {
-      *size = T1_ToInt( parser );
+      FT_Long  s = T1_ToInt( parser );
+
 
       T1_Skip_PS_Token( parser );   /* `RD' or `-|' or something else */
 
@@ -1053,8 +1055,12 @@
       /* `RD' or `-|' token                          */
       *base = parser->root.cursor + 1;
 
-      parser->root.cursor += *size + 1;
-      return !parser->root.error;
+      if ( s >= 0 && s < limit - *base )
+      {
+        parser->root.cursor += s + 1;
+        *size = s;
+        return !parser->root.error;
+      }
     }
 
     FT_ERROR(( "read_binary_data: invalid size field\n" ));
@@ -1111,7 +1117,7 @@
       temp[2] = FT_DivFix( temp[2], temp_scale );
       temp[4] = FT_DivFix( temp[4], temp_scale );
       temp[5] = FT_DivFix( temp[5], temp_scale );
-      temp[3] = 0x10000L;
+      temp[3] = temp[3] < 0 ? -0x10000L : 0x10000L;
     }
 
     matrix->xx = temp[0];
@@ -2180,7 +2186,7 @@
       /* OK, we do the following: for each element in the encoding  */
       /* table, look up the index of the glyph having the same name */
       /* the index is then stored in type1.encoding.char_index, and */
-      /* a the name to type1.encoding.char_name                     */
+      /* the name to type1.encoding.char_name                       */
 
       min_char = 0;
       max_char = 0;