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, 185 insertions, 0 deletions

diff --git a/third_party/freetype/src/cff/cf2blues.h b/third_party/freetype/src/cff/cf2blues.h
new file mode 100644
index 0000000000..2f38fcad8f
--- /dev/null
+++ b/third_party/freetype/src/cff/cf2blues.h
@@ -0,0 +1,185 @@
+/***************************************************************************/
+/*                                                                         */
+/*  cf2blues.h                                                             */
+/*                                                                         */
+/*    Adobe's code for handling Blue Zones (specification).                */
+/*                                                                         */
+/*  Copyright 2009-2013 Adobe Systems Incorporated.                        */
+/*                                                                         */
+/*  This software, and all works of authorship, whether in source or       */
+/*  object code form as indicated by the copyright notice(s) included      */
+/*  herein (collectively, the "Work") is made available, and may only be   */
+/*  used, modified, and distributed under the FreeType Project License,    */
+/*  LICENSE.TXT.  Additionally, subject to the terms and conditions of the */
+/*  FreeType Project License, each contributor to the Work hereby grants   */
+/*  to any individual or legal entity exercising permissions granted by    */
+/*  the FreeType Project License and this section (hereafter, "You" or     */
+/*  "Your") a perpetual, worldwide, non-exclusive, no-charge,              */
+/*  royalty-free, irrevocable (except as stated in this section) patent    */
+/*  license to make, have made, use, offer to sell, sell, import, and      */
+/*  otherwise transfer the Work, where such license applies only to those  */
+/*  patent claims licensable by such contributor that are necessarily      */
+/*  infringed by their contribution(s) alone or by combination of their    */
+/*  contribution(s) with the Work to which such contribution(s) was        */
+/*  submitted.  If You institute patent litigation against any entity      */
+/*  (including a cross-claim or counterclaim in a lawsuit) alleging that   */
+/*  the Work or a contribution incorporated within the Work constitutes    */
+/*  direct or contributory patent infringement, then any patent licenses   */
+/*  granted to You under this License for that Work shall terminate as of  */
+/*  the date such litigation is filed.                                     */
+/*                                                                         */
+/*  By using, modifying, or distributing the Work you indicate that you    */
+/*  have read and understood the terms and conditions of the               */
+/*  FreeType Project License as well as those provided in this section,    */
+/*  and you accept them fully.                                             */
+/*                                                                         */
+/***************************************************************************/
+
+
+  /*
+   * A `CF2_Blues' object stores the blue zones (horizontal alignment
+   * zones) of a font.  These are specified in the CFF private dictionary
+   * by `BlueValues', `OtherBlues', `FamilyBlues', and `FamilyOtherBlues'.
+   * Each zone is defined by a top and bottom edge in character space.
+   * Further, each zone is either a top zone or a bottom zone, as recorded
+   * by `bottomZone'.
+   *
+   * The maximum number of `BlueValues' and `FamilyBlues' is 7 each.
+   * However, these are combined to produce a total of 7 zones.
+   * Similarly, the maximum number of `OtherBlues' and `FamilyOtherBlues'
+   * is 5 and these are combined to produce an additional 5 zones.
+   *
+   * Blue zones are used to `capture' hints and force them to a common
+   * alignment point.  This alignment is recorded in device space in
+   * `dsFlatEdge'.  Except for this value, a `CF2_Blues' object could be
+   * constructed independently of scaling.  Construction may occur once
+   * the matrix is known.  Other features implemented in the Capture
+   * method are overshoot suppression, overshoot enforcement, and Blue
+   * Boost.
+   *
+   * Capture is determined by `BlueValues' and `OtherBlues', but the
+   * alignment point may be adjusted to the scaled flat edge of
+   * `FamilyBlues' or `FamilyOtherBlues'.  No alignment is done to the
+   * curved edge of a zone.
+   *
+   */
+
+
+#ifndef __CF2BLUES_H__
+#define __CF2BLUES_H__
+
+
+#include "cf2glue.h"
+
+
+FT_BEGIN_HEADER
+
+
+  /*
+   * `CF2_Hint' is shared by `cf2hints.h' and
+   * `cf2blues.h', but `cf2blues.h' depends on
+   * `cf2hints.h', so define it here.  Note: The typedef is in
+   * `cf2glue.h'.
+   *
+   */
+  enum
+  {
+    CF2_GhostBottom = 0x1,  /* a single bottom edge           */
+    CF2_GhostTop    = 0x2,  /* a single top edge              */
+    CF2_PairBottom  = 0x4,  /* the bottom edge of a stem hint */
+    CF2_PairTop     = 0x8,  /* the top edge of a stem hint    */
+    CF2_Locked      = 0x10, /* this edge has been aligned     */
+                            /* by a blue zone                 */
+    CF2_Synthetic   = 0x20  /* this edge was synthesized      */
+  };
+
+
+  /*
+   * Default value for OS/2 typoAscender/Descender when their difference
+   * is not equal to `unitsPerEm'.  The default is based on -250 and 1100
+   * in `CF2_Blues', assuming 1000 units per em here.
+   *
+   */
+  enum
+  {
+    CF2_ICF_Top    = cf2_intToFixed(  880 ),
+    CF2_ICF_Bottom = cf2_intToFixed( -120 )
+  };
+
+
+  /*
+   * Constant used for hint adjustment and for synthetic em box hint
+   * placement.
+   */
+#define CF2_MIN_COUNTER  cf2_floatToFixed( 0.5 )
+
+
+  /* shared typedef is in cf2glue.h */
+  struct  CF2_HintRec_
+  {
+    CF2_UInt  flags;  /* attributes of the edge            */
+    size_t    index;  /* index in original stem hint array */
+                      /* (if not synthetic)                */
+    CF2_Fixed  csCoord;
+    CF2_Fixed  dsCoord;
+    CF2_Fixed  scale;
+  };
+
+
+  typedef struct  CF2_BlueRec_
+  {
+    CF2_Fixed  csBottomEdge;
+    CF2_Fixed  csTopEdge;
+    CF2_Fixed  csFlatEdge; /* may be from either local or Family zones */
+    CF2_Fixed  dsFlatEdge; /* top edge of bottom zone or bottom edge   */
+                           /* of top zone (rounded)                    */
+    FT_Bool  bottomZone;
+
+  } CF2_BlueRec;
+
+
+  /* max total blue zones is 12 */
+  enum
+  {
+    CF2_MAX_BLUES      = 7,
+    CF2_MAX_OTHERBLUES = 5
+  };
+
+
+  typedef struct  CF2_BluesRec_
+  {
+    CF2_Fixed  scale;
+    CF2_UInt   count;
+    FT_Bool    suppressOvershoot;
+    FT_Bool    doEmBoxHints;
+
+    CF2_Fixed  blueScale;
+    CF2_Fixed  blueShift;
+    CF2_Fixed  blueFuzz;
+
+    CF2_Fixed  boost;
+
+    CF2_HintRec  emBoxTopEdge;
+    CF2_HintRec  emBoxBottomEdge;
+
+    CF2_BlueRec  zone[CF2_MAX_BLUES + CF2_MAX_OTHERBLUES];
+
+  } CF2_BluesRec, *CF2_Blues;
+
+
+  FT_LOCAL( void )
+  cf2_blues_init( CF2_Blues  blues,
+                  CF2_Font   font );
+  FT_LOCAL( FT_Bool )
+  cf2_blues_capture( const CF2_Blues  blues,
+                     CF2_Hint         bottomHintEdge,
+                     CF2_Hint         topHintEdge );
+
+
+FT_END_HEADER
+
+
+#endif /* __CF2BLUES_H__ */
+
+
+/* END */