Update to Freetype 2.13.1

The build fix applied to the 2.13.0 update has also been applied to
this update.

Pick-to: 6.6 6.5 5.15
Fixes: QTBUG-115340
Change-Id: I970b560948af3472b222690019a85a79c537b7d9
Reviewed-by: Eskil Abrahamsen Blomfeldt <eskil.abrahamsen-blomfeldt@qt.io>

13 files changed, 157 insertions, 122 deletions

diff --git a/src/3rdparty/freetype/src/autofit/afblue.dat b/src/3rdparty/freetype/src/autofit/afblue.dat
index b7efe8be6c..8299baa259 100644
--- a/src/3rdparty/freetype/src/autofit/afblue.dat
+++ b/src/3rdparty/freetype/src/autofit/afblue.dat
@@ -89,7 +89,7 @@ AF_BLUE_STRING_ENUM AF_BLUE_STRINGS_ARRAY AF_BLUE_STRING_MAX_LEN:
     "ت ث ط ظ ك"
   // We don't necessarily have access to medial forms via Unicode in case
   // Arabic presentational forms are missing.  The only character that is
-  // guaranteed to have the same vertical position with joining (this is,
+  // guaranteed to have the same vertical position with joining (that is,
   // non-isolated) forms is U+0640, ARABIC TATWEEL, which must join both
   // round and flat curves.
   AF_BLUE_STRING_ARABIC_JOIN
diff --git a/src/3rdparty/freetype/src/autofit/afcjk.c b/src/3rdparty/freetype/src/autofit/afcjk.c
index 5daefff359..af775b190c 100644
--- a/src/3rdparty/freetype/src/autofit/afcjk.c
+++ b/src/3rdparty/freetype/src/autofit/afcjk.c
@@ -417,16 +417,14 @@
 
         {
           FT_Int  nn;
-          FT_Int  first = 0;
-          FT_Int  last  = -1;
+          FT_Int  pp, first, last;
 
 
-          for ( nn = 0; nn < outline.n_contours; first = last + 1, nn++ )
+          last = -1;
+          for ( nn = 0; nn < outline.n_contours; nn++ )
           {
-            FT_Int  pp;
-
-
-            last = outline.contours[nn];
+            first = last + 1;
+            last  = outline.contours[nn];
 
             /* Avoid single-point contours since they are never rasterized. */
             /* In some fonts, they correspond to mark attachment points     */
@@ -569,8 +567,8 @@
   af_cjk_metrics_check_digits( AF_CJKMetrics  metrics,
                                FT_Face        face )
   {
-    FT_Bool   started = 0, same_width = 1;
-    FT_Fixed  advance = 0, old_advance = 0;
+    FT_Bool  started = 0, same_width = 1;
+    FT_Long  advance = 0, old_advance = 0;
 
     /* If HarfBuzz is not available, we need a pointer to a single */
     /* unsigned long value.                                        */
@@ -635,10 +633,11 @@
   /* Initialize global metrics. */
 
   FT_LOCAL_DEF( FT_Error )
-  af_cjk_metrics_init( AF_CJKMetrics  metrics,
-                       FT_Face        face )
+  af_cjk_metrics_init( AF_StyleMetrics  metrics_,  /* AF_CJKMetrics */
+                       FT_Face          face )
   {
-    FT_CharMap  oldmap = face->charmap;
+    AF_CJKMetrics  metrics = (AF_CJKMetrics)metrics_;
+    FT_CharMap     oldmap  = face->charmap;
 
 
     metrics->units_per_em = face->units_per_EM;
@@ -756,9 +755,12 @@
   /* Scale global values in both directions. */
 
   FT_LOCAL_DEF( void )
-  af_cjk_metrics_scale( AF_CJKMetrics  metrics,
-                        AF_Scaler      scaler )
+  af_cjk_metrics_scale( AF_StyleMetrics  metrics_,   /* AF_CJKMetrics */
+                        AF_Scaler        scaler )
   {
+    AF_CJKMetrics  metrics = (AF_CJKMetrics)metrics_;
+
+
     /* we copy the whole structure since the x and y scaling values */
     /* are not modified, contrary to e.g. the `latin' auto-hinter   */
     metrics->root.scaler = *scaler;
@@ -771,11 +773,14 @@
   /* Extract standard_width from writing system/script specific */
   /* metrics class.                                             */
 
-  FT_LOCAL_DEF( void )
-  af_cjk_get_standard_widths( AF_CJKMetrics  metrics,
-                              FT_Pos*        stdHW,
-                              FT_Pos*        stdVW )
+  FT_CALLBACK_DEF( void )
+  af_cjk_get_standard_widths( AF_StyleMetrics  metrics_,  /* AF_CJKMetrics */
+                              FT_Pos*          stdHW,
+                              FT_Pos*          stdVW )
   {
+    AF_CJKMetrics  metrics = (AF_CJKMetrics)metrics_;
+
+
     if ( stdHW )
       *stdHW = metrics->axis[AF_DIMENSION_VERT].standard_width;
 
@@ -1376,9 +1381,10 @@
   /* Initalize hinting engine. */
 
   FT_LOCAL_DEF( FT_Error )
-  af_cjk_hints_init( AF_GlyphHints  hints,
-                     AF_CJKMetrics  metrics )
+  af_cjk_hints_init( AF_GlyphHints    hints,
+                     AF_StyleMetrics  metrics_ )   /* AF_CJKMetrics */
   {
+    AF_CJKMetrics   metrics = (AF_CJKMetrics)metrics_;
     FT_Render_Mode  mode;
     FT_UInt32       scaler_flags, other_flags;
 
@@ -2268,11 +2274,13 @@
   /* Apply the complete hinting algorithm to a CJK glyph. */
 
   FT_LOCAL_DEF( FT_Error )
-  af_cjk_hints_apply( FT_UInt        glyph_index,
-                      AF_GlyphHints  hints,
-                      FT_Outline*    outline,
-                      AF_CJKMetrics  metrics )
+  af_cjk_hints_apply( FT_UInt          glyph_index,
+                      AF_GlyphHints    hints,
+                      FT_Outline*      outline,
+                      AF_StyleMetrics  metrics_ )   /* AF_CJKMetrics */
   {
+    AF_CJKMetrics  metrics = (AF_CJKMetrics)metrics_;
+
     FT_Error  error;
     int       dim;
 
diff --git a/src/3rdparty/freetype/src/autofit/afcjk.h b/src/3rdparty/freetype/src/autofit/afcjk.h
index bd7b81b3e2..f380ef6e03 100644
--- a/src/3rdparty/freetype/src/autofit/afcjk.h
+++ b/src/3rdparty/freetype/src/autofit/afcjk.h
@@ -103,22 +103,22 @@ FT_BEGIN_HEADER
 
 #ifdef AF_CONFIG_OPTION_CJK
   FT_LOCAL( FT_Error )
-  af_cjk_metrics_init( AF_CJKMetrics  metrics,
-                       FT_Face        face );
+  af_cjk_metrics_init( AF_StyleMetrics  metrics,
+                       FT_Face          face );
 
   FT_LOCAL( void )
-  af_cjk_metrics_scale( AF_CJKMetrics  metrics,
-                        AF_Scaler      scaler );
+  af_cjk_metrics_scale( AF_StyleMetrics  metrics,
+                        AF_Scaler        scaler );
 
   FT_LOCAL( FT_Error )
-  af_cjk_hints_init( AF_GlyphHints  hints,
-                     AF_CJKMetrics  metrics );
+  af_cjk_hints_init( AF_GlyphHints    hints,
+                     AF_StyleMetrics  metrics );
 
   FT_LOCAL( FT_Error )
-  af_cjk_hints_apply( FT_UInt        glyph_index,
-                      AF_GlyphHints  hints,
-                      FT_Outline*    outline,
-                      AF_CJKMetrics  metrics );
+  af_cjk_hints_apply( FT_UInt          glyph_index,
+                      AF_GlyphHints    hints,
+                      FT_Outline*      outline,
+                      AF_StyleMetrics  metrics );
 
   /* shared; called from afindic.c */
   FT_LOCAL( void )
diff --git a/src/3rdparty/freetype/src/autofit/afglobal.c b/src/3rdparty/freetype/src/autofit/afglobal.c
index ede27eb166..b1957570f0 100644
--- a/src/3rdparty/freetype/src/autofit/afglobal.c
+++ b/src/3rdparty/freetype/src/autofit/afglobal.c
@@ -376,8 +376,11 @@
 
 
   FT_LOCAL_DEF( void )
-  af_face_globals_free( AF_FaceGlobals  globals )
+  af_face_globals_free( void*  globals_ )
   {
+    AF_FaceGlobals  globals = (AF_FaceGlobals)globals_;
+
+
     if ( globals )
     {
       FT_Memory  memory = globals->face->memory;
diff --git a/src/3rdparty/freetype/src/autofit/afglobal.h b/src/3rdparty/freetype/src/autofit/afglobal.h
index 83a7c2ff15..66170e419d 100644
--- a/src/3rdparty/freetype/src/autofit/afglobal.h
+++ b/src/3rdparty/freetype/src/autofit/afglobal.h
@@ -156,7 +156,7 @@ FT_BEGIN_HEADER
                                AF_StyleMetrics  *ametrics );
 
   FT_LOCAL( void )
-  af_face_globals_free( AF_FaceGlobals  globals );
+  af_face_globals_free( void*  globals );
 
   FT_LOCAL( FT_Bool )
   af_face_globals_is_digit( AF_FaceGlobals  globals,
diff --git a/src/3rdparty/freetype/src/autofit/afhints.c b/src/3rdparty/freetype/src/autofit/afhints.c
index 6515af9f04..e4a378fbf7 100644
--- a/src/3rdparty/freetype/src/autofit/afhints.c
+++ b/src/3rdparty/freetype/src/autofit/afhints.c
@@ -320,8 +320,9 @@
 
 
   static char*
-  af_print_idx( char* p,
-                int   idx )
+  af_print_idx( char*   p,
+                size_t  n,
+                int     idx )
   {
     if ( idx == -1 )
     {
@@ -330,7 +331,7 @@
       p[2] = '\0';
     }
     else
-      ft_sprintf( p, "%d", idx );
+      ft_snprintf( p, n, "%d", idx );
 
     return p;
   }
@@ -457,12 +458,12 @@
                 " %5d %5d %7.2f %7.2f %7.2f %7.2f"
                 " %5s %5s %5s %5s\n",
                 point_idx,
-                af_print_idx( buf1,
+                af_print_idx( buf1, 16,
                               af_get_edge_index( hints, segment_idx_1, 1 ) ),
-                af_print_idx( buf2, segment_idx_1 ),
-                af_print_idx( buf3,
+                af_print_idx( buf2, 16, segment_idx_1 ),
+                af_print_idx( buf3, 16,
                               af_get_edge_index( hints, segment_idx_0, 0 ) ),
-                af_print_idx( buf4, segment_idx_0 ),
+                af_print_idx( buf4, 16, segment_idx_0 ),
                 ( point->flags & AF_FLAG_NEAR )
                   ? " near "
                   : ( point->flags & AF_FLAG_WEAK_INTERPOLATION )
@@ -476,18 +477,22 @@
                 (double)point->x / 64,
                 (double)point->y / 64,
 
-                af_print_idx( buf5, af_get_strong_edge_index( hints,
-                                                              point->before,
-                                                              1 ) ),
-                af_print_idx( buf6, af_get_strong_edge_index( hints,
-                                                              point->after,
-                                                              1 ) ),
-                af_print_idx( buf7, af_get_strong_edge_index( hints,
-                                                              point->before,
-                                                              0 ) ),
-                af_print_idx( buf8, af_get_strong_edge_index( hints,
-                                                              point->after,
-                                                              0 ) ) ));
+                af_print_idx( buf5, 16,
+                              af_get_strong_edge_index( hints,
+                                                        point->before,
+                                                        1 ) ),
+                af_print_idx( buf6, 16,
+                              af_get_strong_edge_index( hints,
+                                                        point->after,
+                                                        1 ) ),
+                af_print_idx( buf7, 16,
+                              af_get_strong_edge_index( hints,
+                                                        point->before,
+                                                        0 ) ),
+                af_print_idx( buf8, 16,
+                              af_get_strong_edge_index( hints,
+                                                        point->after,
+                                                        0 ) ) ));
     }
     AF_DUMP(( "\n" ));
   }
@@ -574,9 +579,12 @@
                   AF_INDEX_NUM( seg->first, points ),
                   AF_INDEX_NUM( seg->last, points ),
 
-                  af_print_idx( buf1, AF_INDEX_NUM( seg->link, segments ) ),
-                  af_print_idx( buf2, AF_INDEX_NUM( seg->serif, segments ) ),
-                  af_print_idx( buf3, AF_INDEX_NUM( seg->edge, edges ) ),
+                  af_print_idx( buf1, 16,
+                                AF_INDEX_NUM( seg->link, segments ) ),
+                  af_print_idx( buf2, 16,
+                                AF_INDEX_NUM( seg->serif, segments ) ),
+                  af_print_idx( buf3, 16,
+                                AF_INDEX_NUM( seg->edge, edges ) ),
 
                   seg->height,
                   seg->height - ( seg->max_coord - seg->min_coord ),
@@ -716,8 +724,10 @@
                   AF_INDEX_NUM( edge, edges ),
                   (double)(int)edge->opos / 64,
                   af_dir_str( (AF_Direction)edge->dir ),
-                  af_print_idx( buf1, AF_INDEX_NUM( edge->link, edges ) ),
-                  af_print_idx( buf2, AF_INDEX_NUM( edge->serif, edges ) ),
+                  af_print_idx( buf1, 16,
+                                AF_INDEX_NUM( edge->link, edges ) ),
+                  af_print_idx( buf2, 16,
+                                AF_INDEX_NUM( edge->serif, edges ) ),
 
                   edge->blue_edge ? 'y' : 'n',
                   (double)edge->opos / 64,
diff --git a/src/3rdparty/freetype/src/autofit/afindic.c b/src/3rdparty/freetype/src/autofit/afindic.c
index 289a09d71d..7fb12c63d5 100644
--- a/src/3rdparty/freetype/src/autofit/afindic.c
+++ b/src/3rdparty/freetype/src/autofit/afindic.c
@@ -28,9 +28,12 @@
 
 
   static FT_Error
-  af_indic_metrics_init( AF_CJKMetrics  metrics,
-                         FT_Face        face )
+  af_indic_metrics_init( AF_StyleMetrics  metrics_, /* AF_CJKMetrics */
+                         FT_Face          face )
   {
+    AF_CJKMetrics  metrics = (AF_CJKMetrics)metrics_;
+
+
     /* skip blue zone init in CJK routines */
     FT_CharMap  oldmap = face->charmap;
 
@@ -55,8 +58,8 @@
 
 
   static void
-  af_indic_metrics_scale( AF_CJKMetrics  metrics,
-                          AF_Scaler      scaler )
+  af_indic_metrics_scale( AF_StyleMetrics  metrics,
+                          AF_Scaler        scaler )
   {
     /* use CJK routines */
     af_cjk_metrics_scale( metrics, scaler );
@@ -64,8 +67,8 @@
 
 
   static FT_Error
-  af_indic_hints_init( AF_GlyphHints  hints,
-                       AF_CJKMetrics  metrics )
+  af_indic_hints_init( AF_GlyphHints    hints,
+                       AF_StyleMetrics  metrics )
   {
     /* use CJK routines */
     return af_cjk_hints_init( hints, metrics );
@@ -73,10 +76,10 @@
 
 
   static FT_Error
-  af_indic_hints_apply( FT_UInt        glyph_index,
-                        AF_GlyphHints  hints,
-                        FT_Outline*    outline,
-                        AF_CJKMetrics  metrics )
+  af_indic_hints_apply( FT_UInt          glyph_index,
+                        AF_GlyphHints    hints,
+                        FT_Outline*      outline,
+                        AF_StyleMetrics  metrics )
   {
     /* use CJK routines */
     return af_cjk_hints_apply( glyph_index, hints, outline, metrics );
@@ -87,10 +90,13 @@
   /* metrics class.                                             */
 
   static void
-  af_indic_get_standard_widths( AF_CJKMetrics  metrics,
-                                FT_Pos*        stdHW,
-                                FT_Pos*        stdVW )
+  af_indic_get_standard_widths( AF_StyleMetrics  metrics_, /* AF_CJKMetrics */
+                                FT_Pos*          stdHW,
+                                FT_Pos*          stdVW )
   {
+    AF_CJKMetrics  metrics = (AF_CJKMetrics)metrics_;
+
+
     if ( stdHW )
       *stdHW = metrics->axis[AF_DIMENSION_VERT].standard_width;
 
diff --git a/src/3rdparty/freetype/src/autofit/aflatin.c b/src/3rdparty/freetype/src/autofit/aflatin.c
index 4b3c59b3c3..46c6e450a8 100644
--- a/src/3rdparty/freetype/src/autofit/aflatin.c
+++ b/src/3rdparty/freetype/src/autofit/aflatin.c
@@ -496,23 +496,20 @@
           /* now compute min or max point indices and coordinates */
           points             = outline.points;
           best_point         = -1;
+          best_contour_first = -1;
+          best_contour_last  = -1;
           best_y             = 0;  /* make compiler happy */
-          best_contour_first = 0;  /* ditto */
-          best_contour_last  = 0;  /* ditto */
 
           {
             FT_Int  nn;
-            FT_Int  first = 0;
-            FT_Int  last  = -1;
+            FT_Int  pp, first, last;
 
 
-            for ( nn = 0; nn < outline.n_contours; first = last + 1, nn++ )
+            last = -1;
+            for ( nn = 0; nn < outline.n_contours; nn++ )
             {
-              FT_Int  old_best_point = best_point;
-              FT_Int  pp;
-
-
-              last = outline.contours[nn];
+              first = last + 1;
+              last  = outline.contours[nn];
 
               /* Avoid single-point contours since they are never      */
               /* rasterized.  In some fonts, they correspond to mark   */
@@ -551,7 +548,7 @@
                 }
               }
 
-              if ( best_point != old_best_point )
+              if ( best_point > best_contour_last )
               {
                 best_contour_first = first;
                 best_contour_last  = last;
@@ -1068,8 +1065,8 @@
   af_latin_metrics_check_digits( AF_LatinMetrics  metrics,
                                  FT_Face          face )
   {
-    FT_Bool   started = 0, same_width = 1;
-    FT_Fixed  advance = 0, old_advance = 0;
+    FT_Bool  started = 0, same_width = 1;
+    FT_Long  advance = 0, old_advance = 0;
 
     /* If HarfBuzz is not available, we need a pointer to a single */
     /* unsigned long value.                                        */
@@ -1134,9 +1131,11 @@
   /* Initialize global metrics. */
 
   FT_LOCAL_DEF( FT_Error )
-  af_latin_metrics_init( AF_LatinMetrics  metrics,
+  af_latin_metrics_init( AF_StyleMetrics  metrics_,   /* AF_LatinMetrics */
                          FT_Face          face )
   {
+    AF_LatinMetrics  metrics = (AF_LatinMetrics)metrics_;
+
     FT_Error  error = FT_Err_Ok;
 
     FT_CharMap  oldmap = face->charmap;
@@ -1489,9 +1488,12 @@
   /* Scale global values in both directions. */
 
   FT_LOCAL_DEF( void )
-  af_latin_metrics_scale( AF_LatinMetrics  metrics,
+  af_latin_metrics_scale( AF_StyleMetrics  metrics_,   /* AF_LatinMetrics */
                           AF_Scaler        scaler )
   {
+    AF_LatinMetrics  metrics = (AF_LatinMetrics)metrics_;
+
+
     metrics->root.scaler.render_mode = scaler->render_mode;
     metrics->root.scaler.face        = scaler->face;
     metrics->root.scaler.flags       = scaler->flags;
@@ -1504,11 +1506,14 @@
   /* Extract standard_width from writing system/script specific */
   /* metrics class.                                             */
 
-  FT_LOCAL_DEF( void )
-  af_latin_get_standard_widths( AF_LatinMetrics  metrics,
+  FT_CALLBACK_DEF( void )
+  af_latin_get_standard_widths( AF_StyleMetrics  metrics_, /* AF_LatinMetrics */
                                 FT_Pos*          stdHW,
                                 FT_Pos*          stdVW )
   {
+    AF_LatinMetrics  metrics = (AF_LatinMetrics)metrics_;
+
+
     if ( stdHW )
       *stdHW = metrics->axis[AF_DIMENSION_VERT].standard_width;
 
@@ -2041,7 +2046,7 @@
             max = seg2->max_coord;
 
           /* compute maximum coordinate difference of the two segments */
-          /* (this is, how much they overlap)                          */
+          /* (that is, how much they overlap)                          */
           len = max - min;
           if ( len >= len_threshold )
           {
@@ -2610,8 +2615,10 @@
 
   static FT_Error
   af_latin_hints_init( AF_GlyphHints    hints,
-                       AF_LatinMetrics  metrics )
+                       AF_StyleMetrics  metrics_ )   /* AF_LatinMetrics */
   {
+    AF_LatinMetrics  metrics = (AF_LatinMetrics)metrics_;
+
     FT_Render_Mode  mode;
     FT_UInt32       scaler_flags, other_flags;
     FT_Face         face = metrics->root.scaler.face;
@@ -3547,8 +3554,10 @@
   af_latin_hints_apply( FT_UInt          glyph_index,
                         AF_GlyphHints    hints,
                         FT_Outline*      outline,
-                        AF_LatinMetrics  metrics )
+                        AF_StyleMetrics  metrics_ )    /* AF_LatinMetrics */
   {
+    AF_LatinMetrics  metrics = (AF_LatinMetrics)metrics_;
+
     FT_Error  error;
     int       dim;
 
diff --git a/src/3rdparty/freetype/src/autofit/aflatin.h b/src/3rdparty/freetype/src/autofit/aflatin.h
index 3c6a7ee4f6..31aa91d3bd 100644
--- a/src/3rdparty/freetype/src/autofit/aflatin.h
+++ b/src/3rdparty/freetype/src/autofit/aflatin.h
@@ -116,11 +116,11 @@ FT_BEGIN_HEADER
 
 
   FT_LOCAL( FT_Error )
-  af_latin_metrics_init( AF_LatinMetrics  metrics,
+  af_latin_metrics_init( AF_StyleMetrics  metrics,
                          FT_Face          face );
 
   FT_LOCAL( void )
-  af_latin_metrics_scale( AF_LatinMetrics  metrics,
+  af_latin_metrics_scale( AF_StyleMetrics  metrics,
                           AF_Scaler        scaler );
 
   FT_LOCAL( void )
diff --git a/src/3rdparty/freetype/src/autofit/afloader.c b/src/3rdparty/freetype/src/autofit/afloader.c
index c8082796fe..7c47d562af 100644
--- a/src/3rdparty/freetype/src/autofit/afloader.c
+++ b/src/3rdparty/freetype/src/autofit/afloader.c
@@ -55,10 +55,8 @@
       error = af_face_globals_new( face, &loader->globals, module );
       if ( !error )
       {
-        face->autohint.data =
-          (FT_Pointer)loader->globals;
-        face->autohint.finalizer =
-          (FT_Generic_Finalizer)af_face_globals_free;
+        face->autohint.data      = (FT_Pointer)loader->globals;
+        face->autohint.finalizer = af_face_globals_free;
       }
     }
 
diff --git a/src/3rdparty/freetype/src/autofit/afmodule.c b/src/3rdparty/freetype/src/autofit/afmodule.c
index 92e5156ab2..20a6b96bc4 100644
--- a/src/3rdparty/freetype/src/autofit/afmodule.c
+++ b/src/3rdparty/freetype/src/autofit/afmodule.c
@@ -89,10 +89,8 @@
       error = af_face_globals_new( face, &globals, module );
       if ( !error )
       {
-        face->autohint.data =
-          (FT_Pointer)globals;
-        face->autohint.finalizer =
-          (FT_Generic_Finalizer)af_face_globals_free;
+        face->autohint.data      = (FT_Pointer)globals;
+        face->autohint.finalizer = af_face_globals_free;
       }
     }
 
@@ -374,8 +372,9 @@
   FT_DEFINE_SERVICE_PROPERTIESREC(
     af_service_properties,
 
-    (FT_Properties_SetFunc)af_property_set,        /* set_property */
-    (FT_Properties_GetFunc)af_property_get )       /* get_property */
+    af_property_set,  /* FT_Properties_SetFunc set_property */
+    af_property_get   /* FT_Properties_GetFunc get_property */
+  )
 
 
   FT_DEFINE_SERVICEDESCREC1(
@@ -430,12 +429,14 @@
 
 
   FT_CALLBACK_DEF( FT_Error )
-  af_autofitter_load_glyph( AF_Module     module,
-                            FT_GlyphSlot  slot,
-                            FT_Size       size,
-                            FT_UInt       glyph_index,
-                            FT_Int32      load_flags )
+  af_autofitter_load_glyph( FT_AutoHinter  module_,
+                            FT_GlyphSlot   slot,
+                            FT_Size        size,
+                            FT_UInt        glyph_index,
+                            FT_Int32       load_flags )
   {
+    AF_Module  module = (AF_Module)module_;
+
     FT_Error   error  = FT_Err_Ok;
     FT_Memory  memory = module->root.library->memory;
 
@@ -499,10 +500,10 @@
   FT_DEFINE_AUTOHINTER_INTERFACE(
     af_autofitter_interface,
 
-    NULL,                                                    /* reset_face */
-    NULL,                                              /* get_global_hints */
-    NULL,                                             /* done_global_hints */
-    (FT_AutoHinter_GlyphLoadFunc)af_autofitter_load_glyph    /* load_glyph */
+    NULL,                     /* FT_AutoHinter_GlobalResetFunc reset_face        */
+    NULL,                     /* FT_AutoHinter_GlobalGetFunc   get_global_hints  */
+    NULL,                     /* FT_AutoHinter_GlobalDoneFunc  done_global_hints */
+    af_autofitter_load_glyph  /* FT_AutoHinter_GlyphLoadFunc   load_glyph        */
   )
 
   FT_DEFINE_MODULE(
@@ -517,9 +518,9 @@
 
     (const void*)&af_autofitter_interface,
 
-    (FT_Module_Constructor)af_autofitter_init,  /* module_init   */
-    (FT_Module_Destructor) af_autofitter_done,  /* module_done   */
-    (FT_Module_Requester)  af_get_interface     /* get_interface */
+    af_autofitter_init,  /* FT_Module_Constructor module_init   */
+    af_autofitter_done,  /* FT_Module_Destructor  module_done   */
+    af_get_interface     /* FT_Module_Requester   get_interface */
   )
 
 
diff --git a/src/3rdparty/freetype/src/autofit/afshaper.c b/src/3rdparty/freetype/src/autofit/afshaper.c
index 1b8b870e89..abc6f1d292 100644
--- a/src/3rdparty/freetype/src/autofit/afshaper.c
+++ b/src/3rdparty/freetype/src/autofit/afshaper.c
@@ -258,7 +258,7 @@
     /*
      * We now check whether we can construct blue zones, using glyphs
      * covered by the feature only.  In case there is not a single zone
-     * (this is, not a single character is covered), we skip this coverage.
+     * (that is, not a single character is covered), we skip this coverage.
      *
      */
     if ( style_class->coverage != AF_COVERAGE_DEFAULT )
@@ -313,9 +313,9 @@
      * hinted and usually rendered glyph.
      *
      * Consider the superscript feature of font `pala.ttf': Some of the
-     * glyphs are `real', this is, they have a zero vertical offset, but
+     * glyphs are `real', that is, they have a zero vertical offset, but
      * most of them are small caps glyphs shifted up to the superscript
-     * position (this is, the `sups' feature is present in both the GSUB and
+     * position (that is, the `sups' feature is present in both the GSUB and
      * GPOS tables).  The code for blue zones computation actually uses a
      * feature's y offset so that the `real' glyphs get correct hints.  But
      * later on it is impossible to decide whether a glyph index belongs to,
diff --git a/src/3rdparty/freetype/src/autofit/ft-hb.c b/src/3rdparty/freetype/src/autofit/ft-hb.c
index 09a8401c4a..71aee04550 100644
--- a/src/3rdparty/freetype/src/autofit/ft-hb.c
+++ b/src/3rdparty/freetype/src/autofit/ft-hb.c
@@ -108,7 +108,7 @@ hb_ft_font_create_ (FT_Face           ft_face,
 #else /* !FT_CONFIG_OPTION_USE_HARFBUZZ */
 
 /* ANSI C doesn't like empty source files */
-typedef int  _ft_hb_dummy;
+typedef int  ft_hb_dummy_;
 
 #endif /* !FT_CONFIG_OPTION_USE_HARFBUZZ */