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diff --git a/src/_ftglyph.c b/src/_ftglyph.c
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+/***************************************************************************/
+/*                                                                         */
+/*  ftglyph.c                                                              */
+/*                                                                         */
+/*    FreeType convenience functions to handle glyphs (body).              */
+/*                                                                         */
+/*  Copyright 1996-2018 by                                                 */
+/*  David Turner, Robert Wilhelm, and Werner Lemberg.                      */
+/*                                                                         */
+/*  This file is part of the FreeType project, and may only be used,       */
+/*  modified, and distributed under the terms of the FreeType project      */
+/*  license, LICENSE.TXT.  By continuing to use, modify, or distribute     */
+/*  this file you indicate that you have read the license and              */
+/*  understand and accept it fully.                                        */
+/*                                                                         */
+/***************************************************************************/
+
+  /*************************************************************************/
+  /*                                                                       */
+  /*  This file contains the definition of several convenience functions   */
+  /*  that can be used by client applications to easily retrieve glyph     */
+  /*  bitmaps and outlines from a given face.                              */
+  /*                                                                       */
+  /*  These functions should be optional if you are writing a font server  */
+  /*  or text layout engine on top of FreeType.  However, they are pretty  */
+  /*  handy for many other simple uses of the library.                     */
+  /*                                                                       */
+  /*************************************************************************/
+
+#include "Core.h"
+#ifdef CC_BUILD_FREETYPE
+#include "freetype/ft2build.h"
+#include "freetype/ftdebug.h"
+
+#include "freetype/ftglyph.h"
+#include "freetype/ftoutln.h"
+#include "freetype/ftbitmap.h"
+#include "freetype/ftobjs.h"
+
+  /*************************************************************************/
+  /*                                                                       */
+  /* The macro FT_COMPONENT is used in trace mode.  It is an implicit      */
+  /* parameter of the FT_TRACE() and FT_ERROR() macros, used to print/log  */
+  /* messages during execution.                                            */
+  /*                                                                       */
+#undef  FT_COMPONENT
+#define FT_COMPONENT  trace_glyph
+
+
+  /*************************************************************************/
+  /*************************************************************************/
+  /****                                                                 ****/
+  /****   FT_BitmapGlyph support                                        ****/
+  /****                                                                 ****/
+  /*************************************************************************/
+  /*************************************************************************/
+
+  FT_CALLBACK_DEF( FT_Error )
+  ft_bitmap_glyph_init( FT_Glyph      bitmap_glyph,
+                        FT_GlyphSlot  slot )
+  {
+    FT_BitmapGlyph  glyph   = (FT_BitmapGlyph)bitmap_glyph;
+    FT_Error        error   = FT_Err_Ok;
+    FT_Library      library = FT_GLYPH( glyph )->library;
+
+
+    if ( slot->format != FT_GLYPH_FORMAT_BITMAP )
+    {
+      error = FT_THROW( Invalid_Glyph_Format );
+      goto Exit;
+    }
+
+    glyph->left = slot->bitmap_left;
+    glyph->top  = slot->bitmap_top;
+
+    /* do lazy copying whenever possible */
+    if ( slot->internal->flags & FT_GLYPH_OWN_BITMAP )
+    {
+      glyph->bitmap = slot->bitmap;
+      slot->internal->flags &= ~FT_GLYPH_OWN_BITMAP;
+    }
+    else
+    {
+      FT_Bitmap_Init( &glyph->bitmap );
+      error = FT_Bitmap_Copy( library, &slot->bitmap, &glyph->bitmap );
+    }
+
+  Exit:
+    return error;
+  }
+
+
+  FT_CALLBACK_DEF( void )
+  ft_bitmap_glyph_done( FT_Glyph  bitmap_glyph )
+  {
+    FT_BitmapGlyph  glyph   = (FT_BitmapGlyph)bitmap_glyph;
+    FT_Library      library = FT_GLYPH( glyph )->library;
+
+
+    FT_Bitmap_Done( library, &glyph->bitmap );
+  }
+
+
+  FT_CALLBACK_DEF( void )
+  ft_bitmap_glyph_bbox( FT_Glyph  bitmap_glyph,
+                        FT_BBox*  cbox )
+  {
+    FT_BitmapGlyph  glyph = (FT_BitmapGlyph)bitmap_glyph;
+
+
+    cbox->xMin = glyph->left * 64;
+    cbox->xMax = cbox->xMin + (FT_Pos)( glyph->bitmap.width * 64 );
+    cbox->yMax = glyph->top * 64;
+    cbox->yMin = cbox->yMax - (FT_Pos)( glyph->bitmap.rows * 64 );
+  }
+
+
+  FT_DEFINE_GLYPH(
+    ft_bitmap_glyph_class,
+
+    sizeof ( FT_BitmapGlyphRec ),
+    FT_GLYPH_FORMAT_BITMAP,
+
+    ft_bitmap_glyph_init,    /* FT_Glyph_InitFunc       glyph_init      */
+    ft_bitmap_glyph_done,    /* FT_Glyph_DoneFunc       glyph_done      */
+    NULL,                    /* FT_Glyph_TransformFunc  glyph_transform */
+    ft_bitmap_glyph_bbox,    /* FT_Glyph_GetBBoxFunc    glyph_bbox      */
+    NULL                     /* FT_Glyph_PrepareFunc    glyph_prepare   */
+  )
+
+
+  /*************************************************************************/
+  /*************************************************************************/
+  /****                                                                 ****/
+  /****   FT_OutlineGlyph support                                       ****/
+  /****                                                                 ****/
+  /*************************************************************************/
+  /*************************************************************************/
+
+
+  FT_CALLBACK_DEF( FT_Error )
+  ft_outline_glyph_init( FT_Glyph      outline_glyph,
+                         FT_GlyphSlot  slot )
+  {
+    FT_OutlineGlyph  glyph   = (FT_OutlineGlyph)outline_glyph;
+    FT_Error         error   = FT_Err_Ok;
+    FT_Library       library = FT_GLYPH( glyph )->library;
+    FT_Outline*      source  = &slot->outline;
+    FT_Outline*      target  = &glyph->outline;
+
+
+    /* check format in glyph slot */
+    if ( slot->format != FT_GLYPH_FORMAT_OUTLINE )
+    {
+      error = FT_THROW( Invalid_Glyph_Format );
+      goto Exit;
+    }
+
+    /* allocate new outline */
+    error = FT_Outline_New( library,
+                            (FT_UInt)source->n_points,
+                            source->n_contours,
+                            &glyph->outline );
+    if ( error )
+      goto Exit;
+
+    FT_Outline_Copy( source, target );
+
+  Exit:
+    return error;
+  }
+
+
+  FT_CALLBACK_DEF( void )
+  ft_outline_glyph_done( FT_Glyph  outline_glyph )
+  {
+    FT_OutlineGlyph  glyph = (FT_OutlineGlyph)outline_glyph;
+
+
+    FT_Outline_Done( FT_GLYPH( glyph )->library, &glyph->outline );
+  }
+
+
+  FT_CALLBACK_DEF( void )
+  ft_outline_glyph_transform( FT_Glyph          outline_glyph,
+                              const FT_Matrix*  matrix,
+                              const FT_Vector*  delta )
+  {
+    FT_OutlineGlyph  glyph = (FT_OutlineGlyph)outline_glyph;
+
+
+    if ( matrix )
+      FT_Outline_Transform( &glyph->outline, matrix );
+
+    if ( delta )
+      FT_Outline_Translate( &glyph->outline, delta->x, delta->y );
+  }
+
+
+  FT_CALLBACK_DEF( void )
+  ft_outline_glyph_bbox( FT_Glyph  outline_glyph,
+                         FT_BBox*  bbox )
+  {
+    FT_OutlineGlyph  glyph = (FT_OutlineGlyph)outline_glyph;
+
+
+    FT_Outline_Get_CBox( &glyph->outline, bbox );
+  }
+
+
+  FT_CALLBACK_DEF( FT_Error )
+  ft_outline_glyph_prepare( FT_Glyph      outline_glyph,
+                            FT_GlyphSlot  slot )
+  {
+    FT_OutlineGlyph  glyph = (FT_OutlineGlyph)outline_glyph;
+
+
+    slot->format         = FT_GLYPH_FORMAT_OUTLINE;
+    slot->outline        = glyph->outline;
+    slot->outline.flags &= ~FT_OUTLINE_OWNER;
+
+    return FT_Err_Ok;
+  }
+
+
+  FT_DEFINE_GLYPH(
+    ft_outline_glyph_class,
+
+    sizeof ( FT_OutlineGlyphRec ),
+    FT_GLYPH_FORMAT_OUTLINE,
+
+    ft_outline_glyph_init,      /* FT_Glyph_InitFunc       glyph_init      */
+    ft_outline_glyph_done,      /* FT_Glyph_DoneFunc       glyph_done      */
+    ft_outline_glyph_transform, /* FT_Glyph_TransformFunc  glyph_transform */
+    ft_outline_glyph_bbox,      /* FT_Glyph_GetBBoxFunc    glyph_bbox      */
+    ft_outline_glyph_prepare    /* FT_Glyph_PrepareFunc    glyph_prepare   */
+  )
+
+
+  /*************************************************************************/
+  /*************************************************************************/
+  /****                                                                 ****/
+  /****   FT_Glyph class and API                                        ****/
+  /****                                                                 ****/
+  /*************************************************************************/
+  /*************************************************************************/
+
+   static FT_Error
+   ft_new_glyph( FT_Library             library,
+                 const FT_Glyph_Class*  clazz,
+                 FT_Glyph*              aglyph )
+   {
+     FT_Memory  memory = library->memory;
+     FT_Error   error;
+     FT_Glyph   glyph  = NULL;
+
+
+     *aglyph = NULL;
+
+     if ( !FT_ALLOC( glyph, clazz->glyph_size ) )
+     {
+       glyph->library = library;
+       glyph->clazz   = clazz;
+       glyph->format  = clazz->glyph_format;
+
+       *aglyph = glyph;
+     }
+
+     return error;
+   }
+
+
+  /* documentation is in ftglyph.h */
+
+  FT_EXPORT_DEF( FT_Error )
+  FT_Get_Glyph( FT_GlyphSlot  slot,
+                FT_Glyph     *aglyph )
+  {
+    FT_Library  library;
+    FT_Error    error;
+    FT_Glyph    glyph;
+
+    const FT_Glyph_Class*  clazz = NULL;
+
+
+    if ( !slot )
+      return FT_THROW( Invalid_Slot_Handle );
+
+    library = slot->library;
+
+    if ( !aglyph )
+      return FT_THROW( Invalid_Argument );
+
+    /* if it is a bitmap, that's easy :-) */
+    if ( slot->format == FT_GLYPH_FORMAT_BITMAP )
+      clazz = &ft_bitmap_glyph_class;
+
+    /* if it is an outline */
+    else if ( slot->format == FT_GLYPH_FORMAT_OUTLINE )
+      clazz = &ft_outline_glyph_class;
+
+    else
+    {
+      /* NOTE: Support for other renderers removed */
+      error = FT_THROW( Invalid_Glyph_Format );
+      goto Exit;
+    }
+
+    /* create FT_Glyph object */
+    error = ft_new_glyph( library, clazz, &glyph );
+    if ( error )
+      goto Exit;
+
+    /* copy advance while converting 26.6 to 16.16 format */
+    if ( slot->advance.x >=  0x8000L * 64 ||
+         slot->advance.x <= -0x8000L * 64 )
+    {
+      FT_ERROR(( "FT_Get_Glyph: advance width too large\n" ));
+      error = FT_THROW( Invalid_Argument );
+      goto Exit2;
+    }
+    if ( slot->advance.y >=  0x8000L * 64 ||
+         slot->advance.y <= -0x8000L * 64 )
+    {
+      FT_ERROR(( "FT_Get_Glyph: advance height too large\n" ));
+      error = FT_THROW( Invalid_Argument );
+      goto Exit2;
+    }
+
+    glyph->advance.x = slot->advance.x * 1024;
+    glyph->advance.y = slot->advance.y * 1024;
+
+    /* now import the image from the glyph slot */
+    error = clazz->glyph_init( glyph, slot );
+
+  Exit2:
+    /* if an error occurred, destroy the glyph */
+    if ( error )
+      FT_Done_Glyph( glyph );
+    else
+      *aglyph = glyph;
+
+  Exit:
+    return error;
+  }
+
+
+  /* documentation is in ftglyph.h */
+
+  FT_EXPORT_DEF( FT_Error )
+  FT_Glyph_Transform( FT_Glyph    glyph,
+                      FT_Matrix*  matrix,
+                      FT_Vector*  delta )
+  {
+    FT_Error  error = FT_Err_Ok;
+
+
+    if ( !glyph || !glyph->clazz )
+      error = FT_THROW( Invalid_Argument );
+    else
+    {
+      const FT_Glyph_Class*  clazz = glyph->clazz;
+
+
+      if ( clazz->glyph_transform )
+      {
+        /* transform glyph image */
+        clazz->glyph_transform( glyph, matrix, delta );
+
+        /* transform advance vector */
+        if ( matrix )
+          FT_Vector_Transform( &glyph->advance, matrix );
+      }
+      else
+        error = FT_THROW( Invalid_Glyph_Format );
+    }
+    return error;
+  }
+
+
+  /* documentation is in ftglyph.h */
+
+  FT_EXPORT_DEF( void )
+  FT_Glyph_Get_CBox( FT_Glyph  glyph,
+                     FT_UInt   bbox_mode,
+                     FT_BBox  *acbox )
+  {
+    const FT_Glyph_Class*  clazz;
+
+
+    if ( !acbox )
+      return;
+
+    acbox->xMin = acbox->yMin = acbox->xMax = acbox->yMax = 0;
+
+    if ( !glyph || !glyph->clazz )
+      return;
+
+    clazz = glyph->clazz;
+    if ( !clazz->glyph_bbox )
+      return;
+
+    /* retrieve bbox in 26.6 coordinates */
+    clazz->glyph_bbox( glyph, acbox );
+
+    /* perform grid fitting if needed */
+    if ( bbox_mode == FT_GLYPH_BBOX_GRIDFIT ||
+         bbox_mode == FT_GLYPH_BBOX_PIXELS  )
+    {
+      acbox->xMin = FT_PIX_FLOOR( acbox->xMin );
+      acbox->yMin = FT_PIX_FLOOR( acbox->yMin );
+      acbox->xMax = FT_PIX_CEIL( acbox->xMax );
+      acbox->yMax = FT_PIX_CEIL( acbox->yMax );
+    }
+
+    /* convert to integer pixels if needed */
+    if ( bbox_mode == FT_GLYPH_BBOX_TRUNCATE ||
+         bbox_mode == FT_GLYPH_BBOX_PIXELS   )
+    {
+      acbox->xMin >>= 6;
+      acbox->yMin >>= 6;
+      acbox->xMax >>= 6;
+      acbox->yMax >>= 6;
+    }
+  }
+
+
+  /* documentation is in ftglyph.h */
+
+  FT_EXPORT_DEF( FT_Error )
+  FT_Glyph_To_Bitmap( FT_Glyph*       the_glyph,
+                      FT_Render_Mode  render_mode,
+                      FT_Vector*      origin,
+                      FT_Bool         destroy )
+  {
+    FT_GlyphSlotRec           dummy;
+    FT_GlyphSlot_InternalRec  dummy_internal;
+    FT_Error                  error = FT_Err_Ok;
+    FT_Glyph                  b, glyph;
+    FT_BitmapGlyph            bitmap = NULL;
+    const FT_Glyph_Class*     clazz;
+
+    /* FT_BITMAP_GLYPH_CLASS_GET dereferences `library' in PIC mode */
+    FT_Library                library;
+
+
+    /* check argument */
+    if ( !the_glyph )
+      goto Bad;
+    glyph = *the_glyph;
+    if ( !glyph )
+      goto Bad;
+
+    clazz   = glyph->clazz;
+    library = glyph->library;
+    if ( !library || !clazz )
+      goto Bad;
+
+    /* when called with a bitmap glyph, do nothing and return successfully */
+    if ( clazz == &ft_bitmap_glyph_class )
+      goto Exit;
+
+    if ( !clazz->glyph_prepare )
+      goto Bad;
+
+    /* we render the glyph into a glyph bitmap using a `dummy' glyph slot */
+    /* then calling FT_Render_Glyph_Internal()                            */
+
+    FT_ZERO( &dummy );
+    FT_ZERO( &dummy_internal );
+    dummy.internal = &dummy_internal;
+    dummy.library  = library;
+    dummy.format   = clazz->glyph_format;
+
+    /* create result bitmap glyph */
+    error = ft_new_glyph( library, &ft_bitmap_glyph_class, &b );
+    if ( error )
+      goto Exit;
+    bitmap = (FT_BitmapGlyph)b;
+
+#if 1
+    /* if `origin' is set, translate the glyph image */
+    if ( origin )
+      FT_Glyph_Transform( glyph, 0, origin );
+#else
+    FT_UNUSED( origin );
+#endif
+
+    /* prepare dummy slot for rendering */
+    error = clazz->glyph_prepare( glyph, &dummy );
+    if ( !error )
+      error = FT_Render_Glyph_Internal( glyph->library, &dummy, render_mode );
+
+#if 1
+    if ( !destroy && origin )
+    {
+      FT_Vector  v;
+
+
+      v.x = -origin->x;
+      v.y = -origin->y;
+      FT_Glyph_Transform( glyph, 0, &v );
+    }
+#endif
+
+    if ( error )
+      goto Exit;
+
+    /* in case of success, copy the bitmap to the glyph bitmap */
+    error = ft_bitmap_glyph_init( (FT_Glyph)bitmap, &dummy );
+    if ( error )
+      goto Exit;
+
+    /* copy advance */
+    bitmap->root.advance = glyph->advance;
+
+    if ( destroy )
+      FT_Done_Glyph( glyph );
+
+    *the_glyph = FT_GLYPH( bitmap );
+
+  Exit:
+    if ( error && bitmap )
+      FT_Done_Glyph( FT_GLYPH( bitmap ) );
+
+    return error;
+
+  Bad:
+    error = FT_THROW( Invalid_Argument );
+    goto Exit;
+  }
+
+
+  /* documentation is in ftglyph.h */
+
+  FT_EXPORT_DEF( void )
+  FT_Done_Glyph( FT_Glyph  glyph )
+  {
+    if ( glyph )
+    {
+      FT_Memory              memory = glyph->library->memory;
+      const FT_Glyph_Class*  clazz  = glyph->clazz;
+
+
+      if ( clazz->glyph_done )
+        clazz->glyph_done( glyph );
+
+      FT_FREE( glyph );
+    }
+  }
+
+#endif
+/* END */