Update freetype to 2.5.4.

third_party/freetype/src/base/ftsynth.c

Index: third_party/freetype/src/base/ftsynth.c
diff --git a/core/src/fxge/fx_freetype/fxft2.5.01/src/base/ftsynth.c b/third_party/freetype/src/base/ftsynth.c
similarity index 87%
rename from core/src/fxge/fx_freetype/fxft2.5.01/src/base/ftsynth.c
rename to third_party/freetype/src/base/ftsynth.c
index 2142261bf3cae11c5dfa1282b540beb9648b8bd1..0567bd537a4cb8decb7da4cfe77fd0fe60eb0b23 100644
--- a/core/src/fxge/fx_freetype/fxft2.5.01/src/base/ftsynth.c
+++ b/third_party/freetype/src/base/ftsynth.c
@@ -4,7 +4,7 @@
 /*                                                                         */
 /*    FreeType synthesizing code for emboldening and slanting (body).      */
 /*                                                                         */
-/*  Copyright 2000-2006, 2010, 2012 by                                     */
+/*  Copyright 2000-2006, 2010, 2012-2014 by                                */
 /*  David Turner, Robert Wilhelm, and Werner Lemberg.                      */
 /*                                                                         */
 /*  This file is part of the FreeType project, and may only be used,       */
@@ -16,12 +16,12 @@
 /***************************************************************************/
 
 
-#include "../../include/ft2build.h"
-#include "../../include/freetype/ftsynth.h"
-#include "../../include/freetype/internal/ftdebug.h"
-#include "../../include/freetype/internal/ftobjs.h"
-#include "../../include/freetype/ftoutln.h"
-#include "../../include/freetype/ftbitmap.h"
+#include <ft2build.h>
+#include FT_SYNTHESIS_H
+#include FT_INTERNAL_DEBUG_H
+#include FT_INTERNAL_OBJECTS_H
+#include FT_OUTLINE_H
+#include FT_BITMAP_H
 
 
   /*************************************************************************/
@@ -48,9 +48,14 @@
   FT_GlyphSlot_Oblique( FT_GlyphSlot  slot )
   {
     FT_Matrix    transform;
-    FT_Outline*  outline = &slot->outline;
+    FT_Outline*  outline;
 
 
+    if ( !slot )
+      return;
+
+    outline = &slot->outline;
+
     /* only oblique outline glyphs */
     if ( slot->format != FT_GLYPH_FORMAT_OUTLINE )
       return;
@@ -84,12 +89,18 @@
   FT_EXPORT_DEF( void )
   FT_GlyphSlot_Embolden( FT_GlyphSlot  slot )
   {
-    FT_Library  library = slot->library;
-    FT_Face     face    = slot->face;
+    FT_Library  library;
+    FT_Face     face;
     FT_Error    error;
     FT_Pos      xstr, ystr;
 
 
+    if ( !slot )
+      return;
+
+    library = slot->library;
+    face    = slot->face;
+
     if ( slot->format != FT_GLYPH_FORMAT_OUTLINE &&
          slot->format != FT_GLYPH_FORMAT_BITMAP  )
       return;
@@ -100,10 +111,8 @@
     ystr = xstr;
 
     if ( slot->format == FT_GLYPH_FORMAT_OUTLINE )
-    {
-      /* ignore error */
-      (void)FT_Outline_EmboldenXY( &slot->outline, xstr, ystr );
-    }
+      FT_Outline_EmboldenXY( &slot->outline, xstr, ystr );
+
     else /* slot->format == FT_GLYPH_FORMAT_BITMAP */
     {
       /* round to full pixels */
@@ -139,10 +148,11 @@
     if ( slot->advance.y )
       slot->advance.y += ystr;
 
-    slot->metrics.width       += xstr;
-    slot->metrics.height      += ystr;
-    slot->metrics.horiAdvance += xstr;
-    slot->metrics.vertAdvance += ystr;
+    slot->metrics.width        += xstr;
+    slot->metrics.height       += ystr;
+    slot->metrics.horiAdvance  += xstr;
+    slot->metrics.vertAdvance  += ystr;
+    slot->metrics.horiBearingY += ystr;
 
     /* XXX: 16-bit overflow case must be excluded before here */
     if ( slot->format == FT_GLYPH_FORMAT_BITMAP )