Update freetype sources (2.6.2) in third party.

third_party/freetype2/src/src/cff/cffobjs.c

Index: third_party/freetype2/src/src/cff/cffobjs.c
diff --git a/third_party/freetype2/src/src/cff/cffobjs.c b/third_party/freetype2/src/src/cff/cffobjs.c
new file mode 100644
index 0000000000000000000000000000000000000000..d628b68db7c7ad84ee1ff9243ebdf74e4f5c6543
--- /dev/null
+++ b/third_party/freetype2/src/src/cff/cffobjs.c
@@ -0,0 +1,1077 @@
+/***************************************************************************/
+/*                                                                         */
+/*  cffobjs.c                                                              */
+/*                                                                         */
+/*    OpenType objects manager (body).                                     */
+/*                                                                         */
+/*  Copyright 1996-2015 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.                                        */
+/*                                                                         */
+/***************************************************************************/
+
+
+#include <ft2build.h>
+
+#include FT_INTERNAL_DEBUG_H
+#include FT_INTERNAL_CALC_H
+#include FT_INTERNAL_STREAM_H
+#include FT_ERRORS_H
+#include FT_TRUETYPE_IDS_H
+#include FT_TRUETYPE_TAGS_H
+#include FT_INTERNAL_SFNT_H
+#include FT_CFF_DRIVER_H
+
+#include "cffobjs.h"
+#include "cffload.h"
+#include "cffcmap.h"
+#include "cffpic.h"
+
+#include "cfferrs.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_cffobjs
+
+
+  /*************************************************************************/
+  /*                                                                       */
+  /*                            SIZE FUNCTIONS                             */
+  /*                                                                       */
+  /*  Note that we store the global hints in the size's `internal' root    */
+  /*  field.                                                               */
+  /*                                                                       */
+  /*************************************************************************/
+
+
+  static PSH_Globals_Funcs
+  cff_size_get_globals_funcs( CFF_Size  size )
+  {
+    CFF_Face          face     = (CFF_Face)size->root.face;
+    CFF_Font          font     = (CFF_Font)face->extra.data;
+    PSHinter_Service  pshinter = font->pshinter;
+    FT_Module         module;
+
+
+    module = FT_Get_Module( size->root.face->driver->root.library,
+                            "pshinter" );
+    return ( module && pshinter && pshinter->get_globals_funcs )
+           ? pshinter->get_globals_funcs( module )
+           : 0;
+  }
+
+
+  FT_LOCAL_DEF( void )
+  cff_size_done( FT_Size  cffsize )        /* CFF_Size */
+  {
+    CFF_Size      size     = (CFF_Size)cffsize;
+    CFF_Face      face     = (CFF_Face)size->root.face;
+    CFF_Font      font     = (CFF_Font)face->extra.data;
+    CFF_Internal  internal = (CFF_Internal)cffsize->internal;
+
+
+    if ( internal )
+    {
+      PSH_Globals_Funcs  funcs;
+
+
+      funcs = cff_size_get_globals_funcs( size );
+      if ( funcs )
+      {
+        FT_UInt  i;
+
+
+        funcs->destroy( internal->topfont );
+
+        for ( i = font->num_subfonts; i > 0; i-- )
+          funcs->destroy( internal->subfonts[i - 1] );
+      }
+
+      /* `internal' is freed by destroy_size (in ftobjs.c) */
+    }
+  }
+
+
+  /* CFF and Type 1 private dictionaries have slightly different      */
+  /* structures; we need to synthesize a Type 1 dictionary on the fly */
+
+  static void
+  cff_make_private_dict( CFF_SubFont  subfont,
+                         PS_Private   priv )
+  {
+    CFF_Private  cpriv = &subfont->private_dict;
+    FT_UInt      n, count;
+
+
+    FT_MEM_ZERO( priv, sizeof ( *priv ) );
+
+    count = priv->num_blue_values = cpriv->num_blue_values;
+    for ( n = 0; n < count; n++ )
+      priv->blue_values[n] = (FT_Short)cpriv->blue_values[n];
+
+    count = priv->num_other_blues = cpriv->num_other_blues;
+    for ( n = 0; n < count; n++ )
+      priv->other_blues[n] = (FT_Short)cpriv->other_blues[n];
+
+    count = priv->num_family_blues = cpriv->num_family_blues;
+    for ( n = 0; n < count; n++ )
+      priv->family_blues[n] = (FT_Short)cpriv->family_blues[n];
+
+    count = priv->num_family_other_blues = cpriv->num_family_other_blues;
+    for ( n = 0; n < count; n++ )
+      priv->family_other_blues[n] = (FT_Short)cpriv->family_other_blues[n];
+
+    priv->blue_scale = cpriv->blue_scale;
+    priv->blue_shift = (FT_Int)cpriv->blue_shift;
+    priv->blue_fuzz  = (FT_Int)cpriv->blue_fuzz;
+
+    priv->standard_width[0]  = (FT_UShort)cpriv->standard_width;
+    priv->standard_height[0] = (FT_UShort)cpriv->standard_height;
+
+    count = priv->num_snap_widths = cpriv->num_snap_widths;
+    for ( n = 0; n < count; n++ )
+      priv->snap_widths[n] = (FT_Short)cpriv->snap_widths[n];
+
+    count = priv->num_snap_heights = cpriv->num_snap_heights;
+    for ( n = 0; n < count; n++ )
+      priv->snap_heights[n] = (FT_Short)cpriv->snap_heights[n];
+
+    priv->force_bold     = cpriv->force_bold;
+    priv->language_group = cpriv->language_group;
+    priv->lenIV          = cpriv->lenIV;
+  }
+
+
+  FT_LOCAL_DEF( FT_Error )
+  cff_size_init( FT_Size  cffsize )         /* CFF_Size */
+  {
+    CFF_Size           size  = (CFF_Size)cffsize;
+    FT_Error           error = FT_Err_Ok;
+    PSH_Globals_Funcs  funcs = cff_size_get_globals_funcs( size );
+
+
+    if ( funcs )
+    {
+      CFF_Face      face     = (CFF_Face)cffsize->face;
+      CFF_Font      font     = (CFF_Font)face->extra.data;
+      CFF_Internal  internal = NULL;
+
+      PS_PrivateRec  priv;
+      FT_Memory      memory = cffsize->face->memory;
+
+      FT_UInt  i;
+
+
+      if ( FT_NEW( internal ) )
+        goto Exit;
+
+      cff_make_private_dict( &font->top_font, &priv );
+      error = funcs->create( cffsize->face->memory, &priv,
+                             &internal->topfont );
+      if ( error )
+        goto Exit;
+
+      for ( i = font->num_subfonts; i > 0; i-- )
+      {
+        CFF_SubFont  sub = font->subfonts[i - 1];
+
+
+        cff_make_private_dict( sub, &priv );
+        error = funcs->create( cffsize->face->memory, &priv,
+                               &internal->subfonts[i - 1] );
+        if ( error )
+          goto Exit;
+      }
+
+      cffsize->internal = (FT_Size_Internal)(void*)internal;
+    }
+
+    size->strike_index = 0xFFFFFFFFUL;
+
+  Exit:
+    return error;
+  }
+
+
+#ifdef TT_CONFIG_OPTION_EMBEDDED_BITMAPS
+
+  FT_LOCAL_DEF( FT_Error )
+  cff_size_select( FT_Size   size,
+                   FT_ULong  strike_index )
+  {
+    CFF_Size           cffsize = (CFF_Size)size;
+    PSH_Globals_Funcs  funcs;
+
+
+    cffsize->strike_index = strike_index;
+
+    FT_Select_Metrics( size->face, strike_index );
+
+    funcs = cff_size_get_globals_funcs( cffsize );
+
+    if ( funcs )
+    {
+      CFF_Face      face     = (CFF_Face)size->face;
+      CFF_Font      font     = (CFF_Font)face->extra.data;
+      CFF_Internal  internal = (CFF_Internal)size->internal;
+
+      FT_Long  top_upm  = (FT_Long)font->top_font.font_dict.units_per_em;
+      FT_UInt  i;
+
+
+      funcs->set_scale( internal->topfont,
+                        size->metrics.x_scale, size->metrics.y_scale,
+                        0, 0 );
+
+      for ( i = font->num_subfonts; i > 0; i-- )
+      {
+        CFF_SubFont  sub     = font->subfonts[i - 1];
+        FT_Long      sub_upm = (FT_Long)sub->font_dict.units_per_em;
+        FT_Pos       x_scale, y_scale;
+
+
+        if ( top_upm != sub_upm )
+        {
+          x_scale = FT_MulDiv( size->metrics.x_scale, top_upm, sub_upm );
+          y_scale = FT_MulDiv( size->metrics.y_scale, top_upm, sub_upm );
+        }
+        else
+        {
+          x_scale = size->metrics.x_scale;
+          y_scale = size->metrics.y_scale;
+        }
+
+        funcs->set_scale( internal->subfonts[i - 1],
+                          x_scale, y_scale, 0, 0 );
+      }
+    }
+
+    return FT_Err_Ok;
+  }
+
+#endif /* TT_CONFIG_OPTION_EMBEDDED_BITMAPS */
+
+
+  FT_LOCAL_DEF( FT_Error )
+  cff_size_request( FT_Size          size,
+                    FT_Size_Request  req )
+  {
+    CFF_Size           cffsize = (CFF_Size)size;
+    PSH_Globals_Funcs  funcs;
+
+
+#ifdef TT_CONFIG_OPTION_EMBEDDED_BITMAPS
+
+    if ( FT_HAS_FIXED_SIZES( size->face ) )
+    {
+      CFF_Face      cffface = (CFF_Face)size->face;
+      SFNT_Service  sfnt    = (SFNT_Service)cffface->sfnt;
+      FT_ULong      strike_index;
+
+
+      if ( sfnt->set_sbit_strike( cffface, req, &strike_index ) )
+        cffsize->strike_index = 0xFFFFFFFFUL;
+      else
+        return cff_size_select( size, strike_index );
+    }
+
+#endif /* TT_CONFIG_OPTION_EMBEDDED_BITMAPS */
+
+    FT_Request_Metrics( size->face, req );
+
+    funcs = cff_size_get_globals_funcs( cffsize );
+
+    if ( funcs )
+    {
+      CFF_Face      cffface  = (CFF_Face)size->face;
+      CFF_Font      font     = (CFF_Font)cffface->extra.data;
+      CFF_Internal  internal = (CFF_Internal)size->internal;
+
+      FT_Long  top_upm  = (FT_Long)font->top_font.font_dict.units_per_em;
+      FT_UInt  i;
+
+
+      funcs->set_scale( internal->topfont,
+                        size->metrics.x_scale, size->metrics.y_scale,
+                        0, 0 );
+
+      for ( i = font->num_subfonts; i > 0; i-- )
+      {
+        CFF_SubFont  sub     = font->subfonts[i - 1];
+        FT_Long      sub_upm = (FT_Long)sub->font_dict.units_per_em;
+        FT_Pos       x_scale, y_scale;
+
+
+        if ( top_upm != sub_upm )
+        {
+          x_scale = FT_MulDiv( size->metrics.x_scale, top_upm, sub_upm );
+          y_scale = FT_MulDiv( size->metrics.y_scale, top_upm, sub_upm );
+        }
+        else
+        {
+          x_scale = size->metrics.x_scale;
+          y_scale = size->metrics.y_scale;
+        }
+
+        funcs->set_scale( internal->subfonts[i - 1],
+                          x_scale, y_scale, 0, 0 );
+      }
+    }
+
+    return FT_Err_Ok;
+  }
+
+
+  /*************************************************************************/
+  /*                                                                       */
+  /*                            SLOT  FUNCTIONS                            */
+  /*                                                                       */
+  /*************************************************************************/
+
+  FT_LOCAL_DEF( void )
+  cff_slot_done( FT_GlyphSlot  slot )
+  {
+    slot->internal->glyph_hints = NULL;
+  }
+
+
+  FT_LOCAL_DEF( FT_Error )
+  cff_slot_init( FT_GlyphSlot  slot )
+  {
+    CFF_Face          face     = (CFF_Face)slot->face;
+    CFF_Font          font     = (CFF_Font)face->extra.data;
+    PSHinter_Service  pshinter = font->pshinter;
+
+
+    if ( pshinter )
+    {
+      FT_Module  module;
+
+
+      module = FT_Get_Module( slot->face->driver->root.library,
+                              "pshinter" );
+      if ( module )
+      {
+        T2_Hints_Funcs  funcs;
+
+
+        funcs = pshinter->get_t2_funcs( module );
+        slot->internal->glyph_hints = (void*)funcs;
+      }
+    }
+
+    return FT_Err_Ok;
+  }
+
+
+  /*************************************************************************/
+  /*                                                                       */
+  /*                           FACE  FUNCTIONS                             */
+  /*                                                                       */
+  /*************************************************************************/
+
+  static FT_String*
+  cff_strcpy( FT_Memory         memory,
+              const FT_String*  source )
+  {
+    FT_Error    error;
+    FT_String*  result;
+
+
+    (void)FT_STRDUP( result, source );
+
+    FT_UNUSED( error );
+
+    return result;
+  }
+
+
+  /* Strip all subset prefixes of the form `ABCDEF+'.  Usually, there */
+  /* is only one, but font names like `APCOOG+JFABTD+FuturaBQ-Bold'   */
+  /* have been seen in the wild.                                      */
+
+  static void
+  remove_subset_prefix( FT_String*  name )
+  {
+    FT_Int32  idx             = 0;
+    FT_Int32  length          = (FT_Int32)strlen( name ) + 1;
+    FT_Bool   continue_search = 1;
+
+
+    while ( continue_search )
+    {
+      if ( length >= 7 && name[6] == '+' )
+      {
+        for ( idx = 0; idx < 6; idx++ )
+        {
+          /* ASCII uppercase letters */
+          if ( !( 'A' <= name[idx] && name[idx] <= 'Z' ) )
+            continue_search = 0;
+        }
+
+        if ( continue_search )
+        {
+          for ( idx = 7; idx < length; idx++ )
+            name[idx - 7] = name[idx];
+          length -= 7;
+        }
+      }
+      else
+        continue_search = 0;
+    }
+  }
+
+
+  /* Remove the style part from the family name (if present). */
+
+  static void
+  remove_style( FT_String*        family_name,
+                const FT_String*  style_name )
+  {
+    FT_Int32  family_name_length, style_name_length;
+
+
+    family_name_length = (FT_Int32)strlen( family_name );
+    style_name_length  = (FT_Int32)strlen( style_name );
+
+    if ( family_name_length > style_name_length )
+    {
+      FT_Int  idx;
+
+
+      for ( idx = 1; idx <= style_name_length; ++idx )
+      {
+        if ( family_name[family_name_length - idx] !=
+             style_name[style_name_length - idx] )
+          break;
+      }
+
+      if ( idx > style_name_length )
+      {
+        /* family_name ends with style_name; remove it */
+        idx = family_name_length - style_name_length - 1;
+
+        /* also remove special characters     */
+        /* between real family name and style */
+        while ( idx > 0                     &&
+                ( family_name[idx] == '-' ||
+                  family_name[idx] == ' ' ||
+                  family_name[idx] == '_' ||
+                  family_name[idx] == '+' ) )
+          --idx;
+
+        if ( idx > 0 )
+          family_name[idx + 1] = '\0';
+      }
+    }
+  }
+
+
+  FT_LOCAL_DEF( FT_Error )
+  cff_face_init( FT_Stream      stream,
+                 FT_Face        cffface,        /* CFF_Face */
+                 FT_Int         face_index,
+                 FT_Int         num_params,
+                 FT_Parameter*  params )
+  {
+    CFF_Face            face        = (CFF_Face)cffface;
+    FT_Error            error;
+    SFNT_Service        sfnt;
+    FT_Service_PsCMaps  psnames;
+    PSHinter_Service    pshinter;
+    FT_Bool             pure_cff    = 1;
+    FT_Bool             sfnt_format = 0;
+    FT_Library          library     = cffface->driver->root.library;
+
+
+    sfnt = (SFNT_Service)FT_Get_Module_Interface(
+             library, "sfnt" );
+    if ( !sfnt )
+    {
+      FT_ERROR(( "cff_face_init: cannot access `sfnt' module\n" ));
+      error = FT_THROW( Missing_Module );
+      goto Exit;
+    }
+
+    FT_FACE_FIND_GLOBAL_SERVICE( face, psnames, POSTSCRIPT_CMAPS );
+
+    pshinter = (PSHinter_Service)FT_Get_Module_Interface(
+                 library, "pshinter" );
+
+    FT_TRACE2(( "CFF driver\n" ));
+
+    /* create input stream from resource */
+    if ( FT_STREAM_SEEK( 0 ) )
+      goto Exit;
+
+    /* check whether we have a valid OpenType file */
+    error = sfnt->init_face( stream, face, face_index, num_params, params );
+    if ( !error )
+    {
+      if ( face->format_tag != TTAG_OTTO )  /* `OTTO'; OpenType/CFF font */
+      {
+        FT_TRACE2(( "  not an OpenType/CFF font\n" ));
+        error = FT_THROW( Unknown_File_Format );
+        goto Exit;
+      }
+
+      /* if we are performing a simple font format check, exit immediately */
+      if ( face_index < 0 )
+        return FT_Err_Ok;
+
+      sfnt_format = 1;
+
+      /* now, the font can be either an OpenType/CFF font, or an SVG CEF */
+      /* font; in the latter case it doesn't have a `head' table         */
+      error = face->goto_table( face, TTAG_head, stream, 0 );
+      if ( !error )
+      {
+        pure_cff = 0;
+
+        /* load font directory */
+        error = sfnt->load_face( stream, face, face_index,
+                                 num_params, params );
+        if ( error )
+          goto Exit;
+      }
+      else
+      {
+        /* load the `cmap' table explicitly */
+        error = sfnt->load_cmap( face, stream );
+        if ( error )
+          goto Exit;
+      }
+
+      /* now load the CFF part of the file */
+      error = face->goto_table( face, TTAG_CFF, stream, 0 );
+      if ( error )
+        goto Exit;
+    }
+    else
+    {
+      /* rewind to start of file; we are going to load a pure-CFF font */
+      if ( FT_STREAM_SEEK( 0 ) )
+        goto Exit;
+      error = FT_Err_Ok;
+    }
+
+    /* now load and parse the CFF table in the file */
+    {
+      CFF_Font         cff = NULL;
+      CFF_FontRecDict  dict;
+      FT_Memory        memory = cffface->memory;
+      FT_Int32         flags;
+      FT_UInt          i;
+
+
+      if ( FT_NEW( cff ) )
+        goto Exit;
+
+      face->extra.data = cff;
+      error = cff_font_load( library, stream, face_index, cff, pure_cff );
+      if ( error )
+        goto Exit;
+
+      /* if we are performing a simple font format check, exit immediately */
+      /* (this is here for pure CFF)                                       */
+      if ( face_index < 0 )
+        return FT_Err_Ok;
+
+      cff->pshinter = pshinter;
+      cff->psnames  = psnames;
+
+      cffface->face_index = face_index & 0xFFFF;
+
+      /* Complement the root flags with some interesting information. */
+      /* Note that this is only necessary for pure CFF and CEF fonts; */
+      /* SFNT based fonts use the `name' table instead.               */
+
+      cffface->num_glyphs = (FT_Long)cff->num_glyphs;
+
+      dict = &cff->top_font.font_dict;
+
+      /* we need the `PSNames' module for CFF and CEF formats */
+      /* which aren't CID-keyed                               */
+      if ( dict->cid_registry == 0xFFFFU && !psnames )
+      {
+        FT_ERROR(( "cff_face_init:"
+                   " cannot open CFF & CEF fonts\n"
+                   "              "
+                   " without the `PSNames' module\n" ));
+        error = FT_THROW( Missing_Module );
+        goto Exit;
+      }
+
+#ifdef FT_DEBUG_LEVEL_TRACE
+      {
+        FT_UInt     idx;
+        FT_String*  s;
+
+
+        FT_TRACE4(( "SIDs\n" ));
+
+        /* dump string index, including default strings for convenience */
+        for ( idx = 0; idx < cff->num_strings + 390; idx++ )
+        {
+          s = cff_index_get_sid_string( cff, idx );
+          if ( s )
+            FT_TRACE4(("  %5d %s\n", idx, s ));
+        }
+      }
+#endif /* FT_DEBUG_LEVEL_TRACE */
+
+      if ( !dict->has_font_matrix )
+        dict->units_per_em = pure_cff ? 1000 : face->root.units_per_EM;
+
+      /* Normalize the font matrix so that `matrix->yy' is 1; the */
+      /* scaling is done with `units_per_em' then (at this point, */
+      /* it already contains the scaling factor, but without      */
+      /* normalization of the matrix).                            */
+      /*                                                          */
+      /* Note that the offsets must be expressed in integer font  */
+      /* units.                                                   */
+
+      {
+        FT_Matrix*  matrix = &dict->font_matrix;
+        FT_Vector*  offset = &dict->font_offset;
+        FT_ULong*   upm    = &dict->units_per_em;
+        FT_Fixed    temp   = FT_ABS( matrix->yy );
+
+
+        if ( temp != 0x10000L )
+        {
+          *upm = (FT_ULong)FT_DivFix( (FT_Long)*upm, temp );
+
+          matrix->xx = FT_DivFix( matrix->xx, temp );
+          matrix->yx = FT_DivFix( matrix->yx, temp );
+          matrix->xy = FT_DivFix( matrix->xy, temp );
+          matrix->yy = FT_DivFix( matrix->yy, temp );
+          offset->x  = FT_DivFix( offset->x,  temp );
+          offset->y  = FT_DivFix( offset->y,  temp );
+        }
+
+        offset->x >>= 16;
+        offset->y >>= 16;
+      }
+
+      for ( i = cff->num_subfonts; i > 0; i-- )
+      {
+        CFF_FontRecDict  sub = &cff->subfonts[i - 1]->font_dict;
+        CFF_FontRecDict  top = &cff->top_font.font_dict;
+
+        FT_Matrix*  matrix;
+        FT_Vector*  offset;
+        FT_ULong*   upm;
+        FT_Fixed    temp;
+
+
+        if ( sub->has_font_matrix )
+        {
+          FT_Long  scaling;
+
+
+          /* if we have a top-level matrix, */
+          /* concatenate the subfont matrix */
+
+          if ( top->has_font_matrix )
+          {
+            if ( top->units_per_em > 1 && sub->units_per_em > 1 )
+              scaling = (FT_Long)FT_MIN( top->units_per_em,
+                                         sub->units_per_em );
+            else
+              scaling = 1;
+
+            FT_Matrix_Multiply_Scaled( &top->font_matrix,
+                                       &sub->font_matrix,
+                                       scaling );
+            FT_Vector_Transform_Scaled( &sub->font_offset,
+                                        &top->font_matrix,
+                                        scaling );
+
+            sub->units_per_em = (FT_ULong)
+                                  FT_MulDiv( (FT_Long)sub->units_per_em,
+                                             (FT_Long)top->units_per_em,
+                                             scaling );
+          }
+        }
+        else
+        {
+          sub->font_matrix = top->font_matrix;
+          sub->font_offset = top->font_offset;
+
+          sub->units_per_em = top->units_per_em;
+        }
+
+        matrix = &sub->font_matrix;
+        offset = &sub->font_offset;
+        upm    = &sub->units_per_em;
+        temp   = FT_ABS( matrix->yy );
+
+        if ( temp != 0x10000L )
+        {
+          *upm = (FT_ULong)FT_DivFix( (FT_Long)*upm, temp );
+
+          matrix->xx = FT_DivFix( matrix->xx, temp );
+          matrix->yx = FT_DivFix( matrix->yx, temp );
+          matrix->xy = FT_DivFix( matrix->xy, temp );
+          matrix->yy = FT_DivFix( matrix->yy, temp );
+          offset->x  = FT_DivFix( offset->x,  temp );
+          offset->y  = FT_DivFix( offset->y,  temp );
+        }
+
+        offset->x >>= 16;
+        offset->y >>= 16;
+      }
+
+      if ( pure_cff )
+      {
+        char*  style_name = NULL;
+
+
+        /* set up num_faces */
+        cffface->num_faces = (FT_Long)cff->num_faces;
+
+        /* compute number of glyphs */
+        if ( dict->cid_registry != 0xFFFFU )
+          cffface->num_glyphs = (FT_Long)( cff->charset.max_cid + 1 );
+        else
+          cffface->num_glyphs = (FT_Long)cff->charstrings_index.count;
+
+        /* set global bbox, as well as EM size */
+        cffface->bbox.xMin =   dict->font_bbox.xMin            >> 16;
+        cffface->bbox.yMin =   dict->font_bbox.yMin            >> 16;
+        /* no `U' suffix here to 0xFFFF! */
+        cffface->bbox.xMax = ( dict->font_bbox.xMax + 0xFFFF ) >> 16;
+        cffface->bbox.yMax = ( dict->font_bbox.yMax + 0xFFFF ) >> 16;
+
+        cffface->units_per_EM = (FT_UShort)( dict->units_per_em );
+
+        cffface->ascender  = (FT_Short)( cffface->bbox.yMax );
+        cffface->descender = (FT_Short)( cffface->bbox.yMin );
+
+        cffface->height = (FT_Short)( ( cffface->units_per_EM * 12 ) / 10 );
+        if ( cffface->height < cffface->ascender - cffface->descender )
+          cffface->height = (FT_Short)( cffface->ascender - cffface->descender );
+
+        cffface->underline_position  =
+          (FT_Short)( dict->underline_position >> 16 );
+        cffface->underline_thickness =
+          (FT_Short)( dict->underline_thickness >> 16 );
+
+        /* retrieve font family & style name */
+        cffface->family_name = cff_index_get_name(
+                                 cff,
+                                 (FT_UInt)( face_index & 0xFFFF ) );
+        if ( cffface->family_name )
+        {
+          char*  full   = cff_index_get_sid_string( cff,
+                                                    dict->full_name );
+          char*  fullp  = full;
+          char*  family = cffface->family_name;
+          char*  family_name = NULL;
+
+
+          remove_subset_prefix( cffface->family_name );
+
+          if ( dict->family_name )
+          {
+            family_name = cff_index_get_sid_string( cff,
+                                                    dict->family_name );
+            if ( family_name )
+              family = family_name;
+          }
+
+          /* We try to extract the style name from the full name.   */
+          /* We need to ignore spaces and dashes during the search. */
+          if ( full && family )
+          {
+            while ( *fullp )
+            {
+              /* skip common characters at the start of both strings */
+              if ( *fullp == *family )
+              {
+                family++;
+                fullp++;
+                continue;
+              }
+
+              /* ignore spaces and dashes in full name during comparison */
+              if ( *fullp == ' ' || *fullp == '-' )
+              {
+                fullp++;
+                continue;
+              }
+
+              /* ignore spaces and dashes in family name during comparison */
+              if ( *family == ' ' || *family == '-' )
+              {
+                family++;
+                continue;
+              }
+
+              if ( !*family && *fullp )
+              {
+                /* The full name begins with the same characters as the  */
+                /* family name, with spaces and dashes removed.  In this */
+                /* case, the remaining string in `fullp' will be used as */
+                /* the style name.                                       */
+                style_name = cff_strcpy( memory, fullp );
+
+                /* remove the style part from the family name (if present) */
+                remove_style( cffface->family_name, style_name );
+              }
+              break;
+            }
+          }
+        }
+        else
+        {
+          char  *cid_font_name =
+                   cff_index_get_sid_string( cff,
+                                             dict->cid_font_name );
+
+
+          /* do we have a `/FontName' for a CID-keyed font? */
+          if ( cid_font_name )
+            cffface->family_name = cff_strcpy( memory, cid_font_name );
+        }
+
+        if ( style_name )
+          cffface->style_name = style_name;
+        else
+          /* assume "Regular" style if we don't know better */
+          cffface->style_name = cff_strcpy( memory, (char *)"Regular" );
+
+        /*******************************************************************/
+        /*                                                                 */
+        /* Compute face flags.                                             */
+        /*                                                                 */
+        flags = FT_FACE_FLAG_SCALABLE   | /* scalable outlines */
+                FT_FACE_FLAG_HORIZONTAL | /* horizontal data   */
+                FT_FACE_FLAG_HINTER;      /* has native hinter */
+
+        if ( sfnt_format )
+          flags |= FT_FACE_FLAG_SFNT;
+
+        /* fixed width font? */
+        if ( dict->is_fixed_pitch )
+          flags |= FT_FACE_FLAG_FIXED_WIDTH;
+
+  /* XXX: WE DO NOT SUPPORT KERNING METRICS IN THE GPOS TABLE FOR NOW */
+#if 0
+        /* kerning available? */
+        if ( face->kern_pairs )
+          flags |= FT_FACE_FLAG_KERNING;
+#endif
+
+        cffface->face_flags |= flags;
+
+        /*******************************************************************/
+        /*                                                                 */
+        /* Compute style flags.                                            */
+        /*                                                                 */
+        flags = 0;
+
+        if ( dict->italic_angle )
+          flags |= FT_STYLE_FLAG_ITALIC;
+
+        {
+          char  *weight = cff_index_get_sid_string( cff,
+                                                    dict->weight );
+
+
+          if ( weight )
+            if ( !ft_strcmp( weight, "Bold"  ) ||
+                 !ft_strcmp( weight, "Black" ) )
+              flags |= FT_STYLE_FLAG_BOLD;
+        }
+
+        /* double check */
+        if ( !(flags & FT_STYLE_FLAG_BOLD) && cffface->style_name )
+          if ( !ft_strncmp( cffface->style_name, "Bold", 4 )  ||
+               !ft_strncmp( cffface->style_name, "Black", 5 ) )
+            flags |= FT_STYLE_FLAG_BOLD;
+
+        cffface->style_flags = flags;
+      }
+
+
+#ifndef FT_CONFIG_OPTION_NO_GLYPH_NAMES
+      /* CID-keyed CFF fonts don't have glyph names -- the SFNT loader */
+      /* has unset this flag because of the 3.0 `post' table.          */
+      if ( dict->cid_registry == 0xFFFFU )
+        cffface->face_flags |= FT_FACE_FLAG_GLYPH_NAMES;
+#endif
+
+      if ( dict->cid_registry != 0xFFFFU && pure_cff )
+        cffface->face_flags |= FT_FACE_FLAG_CID_KEYED;
+
+
+      /*******************************************************************/
+      /*                                                                 */
+      /* Compute char maps.                                              */
+      /*                                                                 */
+
+      /* Try to synthesize a Unicode charmap if there is none available */
+      /* already.  If an OpenType font contains a Unicode "cmap", we    */
+      /* will use it, whatever be in the CFF part of the file.          */
+      {
+        FT_CharMapRec  cmaprec;
+        FT_CharMap     cmap;
+        FT_UInt        nn;
+        CFF_Encoding   encoding = &cff->encoding;
+
+
+        for ( nn = 0; nn < (FT_UInt)cffface->num_charmaps; nn++ )
+        {
+          cmap = cffface->charmaps[nn];
+
+          /* Windows Unicode? */
+          if ( cmap->platform_id == TT_PLATFORM_MICROSOFT &&
+               cmap->encoding_id == TT_MS_ID_UNICODE_CS   )
+            goto Skip_Unicode;
+
+          /* Apple Unicode platform id? */
+          if ( cmap->platform_id == TT_PLATFORM_APPLE_UNICODE )
+            goto Skip_Unicode; /* Apple Unicode */
+        }
+
+        /* since CID-keyed fonts don't contain glyph names, we can't */
+        /* construct a cmap                                          */
+        if ( pure_cff && cff->top_font.font_dict.cid_registry != 0xFFFFU )
+          goto Exit;
+
+        /* we didn't find a Unicode charmap -- synthesize one */
+        cmaprec.face        = cffface;
+        cmaprec.platform_id = TT_PLATFORM_MICROSOFT;
+        cmaprec.encoding_id = TT_MS_ID_UNICODE_CS;
+        cmaprec.encoding    = FT_ENCODING_UNICODE;
+
+        nn = (FT_UInt)cffface->num_charmaps;
+
+        error = FT_CMap_New( &CFF_CMAP_UNICODE_CLASS_REC_GET, NULL,
+                             &cmaprec, NULL );
+        if ( error                                      &&
+             FT_ERR_NEQ( error, No_Unicode_Glyph_Name ) )
+          goto Exit;
+        error = FT_Err_Ok;
+
+        /* if no Unicode charmap was previously selected, select this one */
+        if ( cffface->charmap == NULL && nn != (FT_UInt)cffface->num_charmaps )
+          cffface->charmap = cffface->charmaps[nn];
+
+      Skip_Unicode:
+        if ( encoding->count > 0 )
+        {
+          FT_CMap_Class  clazz;
+
+
+          cmaprec.face        = cffface;
+          cmaprec.platform_id = TT_PLATFORM_ADOBE;  /* Adobe platform id */
+
+          if ( encoding->offset == 0 )
+          {
+            cmaprec.encoding_id = TT_ADOBE_ID_STANDARD;
+            cmaprec.encoding    = FT_ENCODING_ADOBE_STANDARD;
+            clazz               = &CFF_CMAP_ENCODING_CLASS_REC_GET;
+          }
+          else if ( encoding->offset == 1 )
+          {
+            cmaprec.encoding_id = TT_ADOBE_ID_EXPERT;
+            cmaprec.encoding    = FT_ENCODING_ADOBE_EXPERT;
+            clazz               = &CFF_CMAP_ENCODING_CLASS_REC_GET;
+          }
+          else
+          {
+            cmaprec.encoding_id = TT_ADOBE_ID_CUSTOM;
+            cmaprec.encoding    = FT_ENCODING_ADOBE_CUSTOM;
+            clazz               = &CFF_CMAP_ENCODING_CLASS_REC_GET;
+          }
+
+          error = FT_CMap_New( clazz, NULL, &cmaprec, NULL );
+        }
+      }
+    }
+
+  Exit:
+    return error;
+  }
+
+
+  FT_LOCAL_DEF( void )
+  cff_face_done( FT_Face  cffface )         /* CFF_Face */
+  {
+    CFF_Face      face = (CFF_Face)cffface;
+    FT_Memory     memory;
+    SFNT_Service  sfnt;
+
+
+    if ( !face )
+      return;
+
+    memory = cffface->memory;
+    sfnt   = (SFNT_Service)face->sfnt;
+
+    if ( sfnt )
+      sfnt->done_face( face );
+
+    {
+      CFF_Font  cff = (CFF_Font)face->extra.data;
+
+
+      if ( cff )
+      {
+        cff_font_done( cff );
+        FT_FREE( face->extra.data );
+      }
+    }
+  }
+
+
+  FT_LOCAL_DEF( FT_Error )
+  cff_driver_init( FT_Module  module )        /* CFF_Driver */
+  {
+    CFF_Driver  driver = (CFF_Driver)module;
+
+
+    /* set default property values, cf. `ftcffdrv.h' */
+#ifdef CFF_CONFIG_OPTION_OLD_ENGINE
+    driver->hinting_engine = FT_CFF_HINTING_FREETYPE;
+#else
+    driver->hinting_engine = FT_CFF_HINTING_ADOBE;
+#endif
+
+    driver->no_stem_darkening = TRUE;
+
+    driver->darken_params[0] = CFF_CONFIG_OPTION_DARKENING_PARAMETER_X1;
+    driver->darken_params[1] = CFF_CONFIG_OPTION_DARKENING_PARAMETER_Y1;
+    driver->darken_params[2] = CFF_CONFIG_OPTION_DARKENING_PARAMETER_X2;
+    driver->darken_params[3] = CFF_CONFIG_OPTION_DARKENING_PARAMETER_Y2;
+    driver->darken_params[4] = CFF_CONFIG_OPTION_DARKENING_PARAMETER_X3;
+    driver->darken_params[5] = CFF_CONFIG_OPTION_DARKENING_PARAMETER_Y3;
+    driver->darken_params[6] = CFF_CONFIG_OPTION_DARKENING_PARAMETER_X4;
+    driver->darken_params[7] = CFF_CONFIG_OPTION_DARKENING_PARAMETER_Y4;
+
+    return FT_Err_Ok;
+  }
+
+
+  FT_LOCAL_DEF( void )
+  cff_driver_done( FT_Module  module )        /* CFF_Driver */
+  {
+    FT_UNUSED( module );
+  }
+
+
+/* END */