Update freetype to 2.5.4.

Put freetype into third_party directory, cleaning up header files.

Previously freetype header files are in core/src/fxge/freetype and core/include/thirdparties. There were also multiple fx_freetype.h.

This patch removes the additional Foxit wrapper to make further update easier.

Notice, for original freetype source code, the following files are modified and need to be updated accordingly in future update:

third_party/freetype/include/config/ftmodule.h
third_party/freetype/include/config/ftoption.h

BUG=407341
R=thestig@chromium.org

Review URL: https://codereview.chromium.org/815103002

1 files changed, 216 insertions, 0 deletions

diff --git a/third_party/freetype/src/cff/cffcmap.c b/third_party/freetype/src/cff/cffcmap.c
new file mode 100644
index 0000000000..52248b2b9a
--- /dev/null
+++ b/third_party/freetype/src/cff/cffcmap.c
@@ -0,0 +1,216 @@
+/***************************************************************************/
+/*                                                                         */
+/*  cffcmap.c                                                              */
+/*                                                                         */
+/*    CFF character mapping table (cmap) support (body).                   */
+/*                                                                         */
+/*  Copyright 2002-2007, 2010, 2013 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 "cffcmap.h"
+#include "cffload.h"
+
+#include "cfferrs.h"
+
+
+  /*************************************************************************/
+  /*************************************************************************/
+  /*****                                                               *****/
+  /*****           CFF STANDARD (AND EXPERT) ENCODING CMAPS            *****/
+  /*****                                                               *****/
+  /*************************************************************************/
+  /*************************************************************************/
+
+  FT_CALLBACK_DEF( FT_Error )
+  cff_cmap_encoding_init( CFF_CMapStd  cmap,
+                          FT_Pointer   pointer )
+  {
+    TT_Face       face     = (TT_Face)FT_CMAP_FACE( cmap );
+    CFF_Font      cff      = (CFF_Font)face->extra.data;
+    CFF_Encoding  encoding = &cff->encoding;
+
+    FT_UNUSED( pointer );
+
+
+    cmap->gids  = encoding->codes;
+
+    return 0;
+  }
+
+
+  FT_CALLBACK_DEF( void )
+  cff_cmap_encoding_done( CFF_CMapStd  cmap )
+  {
+    cmap->gids  = NULL;
+  }
+
+
+  FT_CALLBACK_DEF( FT_UInt )
+  cff_cmap_encoding_char_index( CFF_CMapStd  cmap,
+                                FT_UInt32    char_code )
+  {
+    FT_UInt  result = 0;
+
+
+    if ( char_code < 256 )
+      result = cmap->gids[char_code];
+
+    return result;
+  }
+
+
+  FT_CALLBACK_DEF( FT_UInt32 )
+  cff_cmap_encoding_char_next( CFF_CMapStd   cmap,
+                               FT_UInt32    *pchar_code )
+  {
+    FT_UInt    result    = 0;
+    FT_UInt32  char_code = *pchar_code;
+
+
+    *pchar_code = 0;
+
+    if ( char_code < 255 )
+    {
+      FT_UInt  code = (FT_UInt)(char_code + 1);
+
+
+      for (;;)
+      {
+        if ( code >= 256 )
+          break;
+
+        result = cmap->gids[code];
+        if ( result != 0 )
+        {
+          *pchar_code = code;
+          break;
+        }
+
+        code++;
+      }
+    }
+    return result;
+  }
+
+
+  FT_DEFINE_CMAP_CLASS(cff_cmap_encoding_class_rec,
+    sizeof ( CFF_CMapStdRec ),
+
+    (FT_CMap_InitFunc)     cff_cmap_encoding_init,
+    (FT_CMap_DoneFunc)     cff_cmap_encoding_done,
+    (FT_CMap_CharIndexFunc)cff_cmap_encoding_char_index,
+    (FT_CMap_CharNextFunc) cff_cmap_encoding_char_next,
+
+    NULL, NULL, NULL, NULL, NULL
+  )
+
+
+  /*************************************************************************/
+  /*************************************************************************/
+  /*****                                                               *****/
+  /*****              CFF SYNTHETIC UNICODE ENCODING CMAP              *****/
+  /*****                                                               *****/
+  /*************************************************************************/
+  /*************************************************************************/
+
+  FT_CALLBACK_DEF( const char* )
+  cff_sid_to_glyph_name( TT_Face  face,
+                         FT_UInt  idx )
+  {
+    CFF_Font     cff     = (CFF_Font)face->extra.data;
+    CFF_Charset  charset = &cff->charset;
+    FT_UInt      sid     = charset->sids[idx];
+
+
+    return cff_index_get_sid_string( cff, sid );
+  }
+
+
+  FT_CALLBACK_DEF( FT_Error )
+  cff_cmap_unicode_init( PS_Unicodes  unicodes,
+                         FT_Pointer   pointer )
+  {
+    TT_Face             face    = (TT_Face)FT_CMAP_FACE( unicodes );
+    FT_Memory           memory  = FT_FACE_MEMORY( face );
+    CFF_Font            cff     = (CFF_Font)face->extra.data;
+    CFF_Charset         charset = &cff->charset;
+    FT_Service_PsCMaps  psnames = (FT_Service_PsCMaps)cff->psnames;
+
+    FT_UNUSED( pointer );
+
+
+    /* can't build Unicode map for CID-keyed font */
+    /* because we don't know glyph names.         */
+    if ( !charset->sids )
+      return FT_THROW( No_Unicode_Glyph_Name );
+
+    return psnames->unicodes_init( memory,
+                                   unicodes,
+                                   cff->num_glyphs,
+                                   (PS_GetGlyphNameFunc)&cff_sid_to_glyph_name,
+                                   (PS_FreeGlyphNameFunc)NULL,
+                                   (FT_Pointer)face );
+  }
+
+
+  FT_CALLBACK_DEF( void )
+  cff_cmap_unicode_done( PS_Unicodes  unicodes )
+  {
+    FT_Face    face   = FT_CMAP_FACE( unicodes );
+    FT_Memory  memory = FT_FACE_MEMORY( face );
+
+
+    FT_FREE( unicodes->maps );
+    unicodes->num_maps = 0;
+  }
+
+
+  FT_CALLBACK_DEF( FT_UInt )
+  cff_cmap_unicode_char_index( PS_Unicodes  unicodes,
+                               FT_UInt32    char_code )
+  {
+    TT_Face             face    = (TT_Face)FT_CMAP_FACE( unicodes );
+    CFF_Font            cff     = (CFF_Font)face->extra.data;
+    FT_Service_PsCMaps  psnames = (FT_Service_PsCMaps)cff->psnames;
+
+
+    return psnames->unicodes_char_index( unicodes, char_code );
+  }
+
+
+  FT_CALLBACK_DEF( FT_UInt32 )
+  cff_cmap_unicode_char_next( PS_Unicodes  unicodes,
+                              FT_UInt32   *pchar_code )
+  {
+    TT_Face             face    = (TT_Face)FT_CMAP_FACE( unicodes );
+    CFF_Font            cff     = (CFF_Font)face->extra.data;
+    FT_Service_PsCMaps  psnames = (FT_Service_PsCMaps)cff->psnames;
+
+
+    return psnames->unicodes_char_next( unicodes, pchar_code );
+  }
+
+
+  FT_DEFINE_CMAP_CLASS(cff_cmap_unicode_class_rec,
+    sizeof ( PS_UnicodesRec ),
+
+    (FT_CMap_InitFunc)     cff_cmap_unicode_init,
+    (FT_CMap_DoneFunc)     cff_cmap_unicode_done,
+    (FT_CMap_CharIndexFunc)cff_cmap_unicode_char_index,
+    (FT_CMap_CharNextFunc) cff_cmap_unicode_char_next,
+
+    NULL, NULL, NULL, NULL, NULL
+  )
+
+/* END */