Update freetype sources (2.6.2) in third party.

third_party/freetype2/src/src/truetype/ttgxvar.h

Index: third_party/freetype2/src/src/truetype/ttgxvar.h
diff --git a/third_party/freetype2/src/src/truetype/ttgxvar.h b/third_party/freetype2/src/src/truetype/ttgxvar.h
new file mode 100644
index 0000000000000000000000000000000000000000..dd1411f0d88e043aa5bbd6a348005719971ef67c
--- /dev/null
+++ b/third_party/freetype2/src/src/truetype/ttgxvar.h
@@ -0,0 +1,184 @@
+/***************************************************************************/
+/*                                                                         */
+/*  ttgxvar.h                                                              */
+/*                                                                         */
+/*    TrueType GX Font Variation loader (specification)                    */
+/*                                                                         */
+/*  Copyright 2004-2015 by                                                 */
+/*  David Turner, Robert Wilhelm, Werner Lemberg and George Williams.      */
+/*                                                                         */
+/*  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.                                        */
+/*                                                                         */
+/***************************************************************************/
+
+
+#ifndef __TTGXVAR_H__
+#define __TTGXVAR_H__
+
+
+#include <ft2build.h>
+#include "ttobjs.h"
+
+
+FT_BEGIN_HEADER
+
+
+  /*************************************************************************/
+  /*                                                                       */
+  /* <Struct>                                                              */
+  /*    GX_AVarCorrespondenceRec                                           */
+  /*                                                                       */
+  /* <Description>                                                         */
+  /*    A data structure representing `shortFracCorrespondence' in `avar'  */
+  /*    table according to the specifications from Apple.                  */
+  /*                                                                       */
+  typedef struct  GX_AVarCorrespondenceRec_
+  {
+    FT_Fixed  fromCoord;
+    FT_Fixed  toCoord;
+
+  } GX_AVarCorrespondenceRec_, *GX_AVarCorrespondence;
+
+
+  /*************************************************************************/
+  /*                                                                       */
+  /* <Struct>                                                              */
+  /*    GX_AVarRec                                                         */
+  /*                                                                       */
+  /* <Description>                                                         */
+  /*    Data from the segment field of `avar' table.                       */
+  /*    There is one of these for each axis.                               */
+  /*                                                                       */
+  typedef struct  GX_AVarSegmentRec_
+  {
+    FT_UShort              pairCount;
+    GX_AVarCorrespondence  correspondence; /* array with pairCount entries */
+
+  } GX_AVarSegmentRec, *GX_AVarSegment;
+
+
+  /*************************************************************************/
+  /*                                                                       */
+  /* <Struct>                                                              */
+  /*    GX_BlendRec                                                        */
+  /*                                                                       */
+  /* <Description>                                                         */
+  /*    Data for interpolating a font from a distortable font specified    */
+  /*    by the GX *var tables ([fgca]var).                                 */
+  /*                                                                       */
+  /* <Fields>                                                              */
+  /*    num_axis         :: The number of axes along which interpolation   */
+  /*                         may happen                                    */
+  /*                                                                       */
+  /*    normalizedcoords :: A normalized value (between [-1,1]) indicating */
+  /*                        the contribution along each axis to the final  */
+  /*                        interpolated font.                             */
+  /*                                                                       */
+  typedef struct  GX_BlendRec_
+  {
+    FT_UInt         num_axis;
+    FT_Fixed*       normalizedcoords;
+
+    FT_MM_Var*      mmvar;
+    FT_Offset       mmvar_len;
+
+    FT_Bool         avar_checked;
+    GX_AVarSegment  avar_segment;
+
+    FT_UInt         tuplecount;      /* shared tuples in `gvar'           */
+    FT_Fixed*       tuplecoords;     /* tuplecoords[tuplecount][num_axis] */
+
+    FT_UInt         gv_glyphcnt;
+    FT_ULong*       glyphoffsets;
+
+    FT_ULong        gvar_size;
+
+  } GX_BlendRec;
+
+
+  /*************************************************************************/
+  /*                                                                       */
+  /* <enum>                                                                */
+  /*    GX_TupleCountFlags                                                 */
+  /*                                                                       */
+  /* <Description>                                                         */
+  /*    Flags used within the `TupleCount' field of the `gvar' table.      */
+  /*                                                                       */
+  typedef enum  GX_TupleCountFlags_
+  {
+    GX_TC_TUPLES_SHARE_POINT_NUMBERS = 0x8000,
+    GX_TC_RESERVED_TUPLE_FLAGS       = 0x7000,
+    GX_TC_TUPLE_COUNT_MASK           = 0x0FFF
+
+  } GX_TupleCountFlags;
+
+
+  /*************************************************************************/
+  /*                                                                       */
+  /* <enum>                                                                */
+  /*    GX_TupleIndexFlags                                                 */
+  /*                                                                       */
+  /* <Description>                                                         */
+  /*    Flags used within the `TupleIndex' field of the `gvar' and `cvar'  */
+  /*    tables.                                                            */
+  /*                                                                       */
+  typedef enum  GX_TupleIndexFlags_
+  {
+    GX_TI_EMBEDDED_TUPLE_COORD  = 0x8000,
+    GX_TI_INTERMEDIATE_TUPLE    = 0x4000,
+    GX_TI_PRIVATE_POINT_NUMBERS = 0x2000,
+    GX_TI_RESERVED_TUPLE_FLAG   = 0x1000,
+    GX_TI_TUPLE_INDEX_MASK      = 0x0FFF
+
+  } GX_TupleIndexFlags;
+
+
+#define TTAG_wght  FT_MAKE_TAG( 'w', 'g', 'h', 't' )
+#define TTAG_wdth  FT_MAKE_TAG( 'w', 'd', 't', 'h' )
+#define TTAG_opsz  FT_MAKE_TAG( 'o', 'p', 's', 'z' )
+#define TTAG_slnt  FT_MAKE_TAG( 's', 'l', 'n', 't' )
+
+
+  FT_LOCAL( FT_Error )
+  TT_Set_MM_Blend( TT_Face    face,
+                   FT_UInt    num_coords,
+                   FT_Fixed*  coords );
+
+  FT_LOCAL( FT_Error )
+  TT_Set_Var_Design( TT_Face    face,
+                     FT_UInt    num_coords,
+                     FT_Fixed*  coords );
+
+  FT_LOCAL( FT_Error )
+  TT_Get_MM_Var( TT_Face      face,
+                 FT_MM_Var*  *master );
+
+
+  FT_LOCAL( FT_Error )
+  tt_face_vary_cvt( TT_Face    face,
+                    FT_Stream  stream );
+
+
+  FT_LOCAL( FT_Error )
+  TT_Vary_Apply_Glyph_Deltas( TT_Face      face,
+                              FT_UInt      glyph_index,
+                              FT_Outline*  outline,
+                              FT_UInt      n_points );
+
+
+  FT_LOCAL( void )
+  tt_done_blend( FT_Memory  memory,
+                 GX_Blend   blend );
+
+
+FT_END_HEADER
+
+
+#endif /* __TTGXVAR_H__ */
+
+
+/* END */