Update bundled Freetype to 2.9.1

This is required to support the new emoji font on Android 9.

[ChangeLog][Freetype] Upgraded bundled Freetype version to 2.9.1.
This also adds support for the latest emoji font in use on
Android 9.

Fixes: QTBUG-70657
Change-Id: I99be72f0d23c20aca122b8fdadd4ded87b2edce1
Reviewed-by: Konstantin Ritt <ritt.ks@gmail.com>

1 files changed, 27 insertions, 19 deletions

diff --git a/src/3rdparty/freetype/src/base/ftmac.c b/src/3rdparty/freetype/src/base/ftmac.c
index 114bbb6391..fd4c0cc274 100644
--- a/src/3rdparty/freetype/src/base/ftmac.c
+++ b/src/3rdparty/freetype/src/base/ftmac.c
@@ -8,7 +8,7 @@
 /*  This file is for Mac OS X only; see builds/mac/ftoldmac.c for          */
 /*  classic platforms built by MPW.                                        */
 /*                                                                         */
-/*  Copyright 1996-2015 by                                                 */
+/*  Copyright 1996-2018 by                                                 */
 /*  Just van Rossum, David Turner, Robert Wilhelm, and Werner Lemberg.     */
 /*                                                                         */
 /*  This file is part of the FreeType project, and may only be used,       */
@@ -71,6 +71,9 @@
 #include FT_INTERNAL_STREAM_H
 #include "ftbase.h"
 
+
+#ifdef FT_MACINTOSH
+
   /* This is for Mac OS X.  Without redefinition, OS_INLINE */
   /* expands to `static inline' which doesn't survive the   */
   /* -ansi compilation flag of GCC.                         */
@@ -118,8 +121,6 @@
 #endif
 
 
-#ifdef FT_MACINTOSH
-
   /* This function is deprecated because FSSpec is deprecated in Mac OS X  */
   FT_EXPORT_DEF( FT_Error )
   FT_GetFile_From_Mac_Name( const char*  fontName,
@@ -228,7 +229,7 @@
 
 
     if ( !fontName || !face_index )
-      return FT_THROW( Invalid_Argument) ;
+      return FT_THROW( Invalid_Argument);
 
     err = FT_GetFileRef_From_Mac_ATS_Name( fontName, &ref, face_index );
     if ( err )
@@ -605,7 +606,7 @@
     for (;;)
     {
       post_data = Get1Resource( TTAG_POST, res_id++ );
-      if ( post_data == NULL )
+      if ( !post_data )
         break;  /* we are done */
 
       code = (*post_data)[0];
@@ -644,7 +645,7 @@
     for (;;)
     {
       post_data = Get1Resource( TTAG_POST, res_id++ );
-      if ( post_data == NULL )
+      if ( !post_data )
         break;  /* we are done */
 
       post_size = (FT_ULong)GetHandleSize( post_data ) - 2;
@@ -655,7 +656,7 @@
         if ( last_code != -1 )
         {
           /* we are done adding a chunk, fill in the size field */
-          if ( size_p != NULL )
+          if ( size_p )
           {
             *size_p++ = (FT_Byte)(   pfb_chunk_size         & 0xFF );
             *size_p++ = (FT_Byte)( ( pfb_chunk_size >> 8  ) & 0xFF );
@@ -743,7 +744,7 @@
 
 
     sfnt = GetResource( TTAG_sfnt, sfnt_id );
-    if ( sfnt == NULL )
+    if ( !sfnt )
       return FT_THROW( Invalid_Handle );
 
     sfnt_size = (FT_ULong)GetHandleSize( sfnt );
@@ -821,7 +822,7 @@
       return FT_THROW( Cannot_Open_Resource );
 
     num_faces_in_res = 0;
-    for ( res_index = 1; ; ++res_index )
+    for ( res_index = 1; ; res_index++ )
     {
       short  num_faces_in_fond;
 
@@ -942,13 +943,14 @@
     /* if it works, fine.                                           */
 
     error = FT_New_Face_From_Suitcase( library, pathname, face_index, aface );
-    if ( error == 0 )
-      return error;
+    if ( error )
+    {
+      /* let it fall through to normal loader (.ttf, .otf, etc.); */
+      /* we signal this by returning no error and no FT_Face      */
+      *aface = NULL;
+    }
 
-    /* let it fall through to normal loader (.ttf, .otf, etc.); */
-    /* we signal this by returning no error and no FT_Face      */
-    *aface = NULL;
-    return 0;
+    return FT_Err_Ok;
   }
 
 
@@ -982,12 +984,13 @@
     /* try resourcefork based font: LWFN, FFIL */
     error = FT_New_Face_From_Resource( library, (UInt8 *)pathname,
                                        face_index, aface );
-    if ( error != 0 || *aface != NULL )
+    if ( error || *aface )
       return error;
 
     /* let it fall through to normal loader (.ttf, .otf, etc.) */
     args.flags    = FT_OPEN_PATHNAME;
     args.pathname = (char*)pathname;
+
     return FT_Open_Face( library, &args, face_index, aface );
   }
 
@@ -1002,7 +1005,7 @@
   /*    accepts an FSRef instead of a path.                                */
   /*                                                                       */
   /* This function is deprecated because Carbon data types (FSRef)         */
-  /* are not cross-platform, and thus not suitable for the freetype API.   */
+  /* are not cross-platform, and thus not suitable for the FreeType API.   */
   FT_EXPORT_DEF( FT_Error )
   FT_New_Face_From_FSRef( FT_Library    library,
                           const FSRef*  ref,
@@ -1027,7 +1030,7 @@
       error = FT_THROW( Cannot_Open_Resource );
 
     error = FT_New_Face_From_Resource( library, pathname, face_index, aface );
-    if ( error != 0 || *aface != NULL )
+    if ( error || *aface )
       return error;
 
     /* fallback to datafork font */
@@ -1074,7 +1077,12 @@
 #endif
   }
 
-#endif /* FT_MACINTOSH */
+#else /* !FT_MACINTOSH */
+
+  /* ANSI C doesn't like empty source files */
+  typedef int  _ft_mac_dummy;
+
+#endif /* !FT_MACINTOSH */
 
 
 /* END */