Update bundled freetype to 2.6.1

third_party/freetype/src/truetype/ttinterp.h

Index: third_party/freetype/src/truetype/ttinterp.h
diff --git a/third_party/freetype/src/truetype/ttinterp.h b/third_party/freetype/src/truetype/ttinterp.h
index 333decc6a6d4c5b011047f984eb4a2aa8d237dca..32706d076047a04b2a6cc8dad56300a8e40788fd 100644
--- a/third_party/freetype/src/truetype/ttinterp.h
+++ b/third_party/freetype/src/truetype/ttinterp.h
@@ -4,7 +4,7 @@
 /*                                                                         */
 /*    TrueType bytecode interpreter (specification).                       */
 /*                                                                         */
-/*  Copyright 1996-2007, 2010, 2012-2014 by                                */
+/*  Copyright 1996-2015 by                                                 */
 /*  David Turner, Robert Wilhelm, and Werner Lemberg.                      */
 /*                                                                         */
 /*  This file is part of the FreeType project, and may only be used,       */
@@ -26,23 +26,6 @@
 FT_BEGIN_HEADER
 
 
-#ifndef TT_CONFIG_OPTION_STATIC_INTERPRETER /* indirect implementation */
-
-#define EXEC_OP_   TT_ExecContext  exc,
-#define EXEC_OP    TT_ExecContext  exc
-#define EXEC_ARG_  exc,
-#define EXEC_ARG   exc
-
-#else                                       /* static implementation */
-
-#define EXEC_OP_   /* void */
-#define EXEC_OP    /* void */
-#define EXEC_ARG_  /* void */
-#define EXEC_ARG   /* void */
-
-#endif /* TT_CONFIG_OPTION_STATIC_INTERPRETER */
-
-
   /*************************************************************************/
   /*                                                                       */
   /* Rounding mode constants.                                              */
@@ -67,33 +50,38 @@ FT_BEGIN_HEADER
 
   /* Rounding function */
   typedef FT_F26Dot6
-  (*TT_Round_Func)( EXEC_OP_ FT_F26Dot6  distance,
-                             FT_F26Dot6  compensation );
+  (*TT_Round_Func)( TT_ExecContext  exc,
+                    FT_F26Dot6      distance,
+                    FT_F26Dot6      compensation );
 
   /* Point displacement along the freedom vector routine */
   typedef void
-  (*TT_Move_Func)( EXEC_OP_ TT_GlyphZone  zone,
-                            FT_UShort     point,
-                            FT_F26Dot6    distance );
+  (*TT_Move_Func)( TT_ExecContext  exc,
+                   TT_GlyphZone    zone,
+                   FT_UShort       point,
+                   FT_F26Dot6      distance );
 
   /* Distance projection along one of the projection vectors */
   typedef FT_F26Dot6
-  (*TT_Project_Func)( EXEC_OP_ FT_Pos   dx,
-                               FT_Pos   dy );
+  (*TT_Project_Func)( TT_ExecContext  exc,
+                      FT_Pos          dx,
+                      FT_Pos          dy );
 
   /* getting current ppem.  Take care of non-square pixels if necessary */
   typedef FT_Long
-  (*TT_Cur_Ppem_Func)( EXEC_OP );
+  (*TT_Cur_Ppem_Func)( TT_ExecContext  exc );
 
   /* reading a cvt value.  Take care of non-square pixels if necessary */
   typedef FT_F26Dot6
-  (*TT_Get_CVT_Func)( EXEC_OP_ FT_ULong  idx );
+  (*TT_Get_CVT_Func)( TT_ExecContext  exc,
+                      FT_ULong        idx );
 
   /* setting or moving a cvt value.  Take care of non-square pixels  */
   /* if necessary                                                    */
   typedef void
-  (*TT_Set_CVT_Func)( EXEC_OP_ FT_ULong    idx,
-                               FT_F26Dot6  value );
+  (*TT_Set_CVT_Func)( TT_ExecContext  exc,
+                      FT_ULong        idx,
+                      FT_F26Dot6      value );
 
 
   /*************************************************************************/
@@ -170,11 +158,11 @@ FT_BEGIN_HEADER
 
     FT_Long            top;        /* top of exec. stack   */
 
-    FT_UInt            stackSize;  /* size of exec. stack  */
+    FT_Long            stackSize;  /* size of exec. stack  */
     FT_Long*           stack;      /* current exec. stack  */
 
     FT_Long            args;
-    FT_UInt            new_top;    /* new top after exec.  */
+    FT_Long            new_top;    /* new top after exec.  */
 
     TT_GlyphZoneRec    zp0,        /* zone records */
                        zp1,
@@ -264,18 +252,22 @@ FT_BEGIN_HEADER
 #ifdef TT_CONFIG_OPTION_SUBPIXEL_HINTING
     TT_Round_Func      func_round_sphn;   /* subpixel rounding function */
 
-    FT_Bool            subpixel;          /* Using subpixel hinting?       */
+    FT_Bool            subpixel_hinting;  /* Using subpixel hinting?       */
     FT_Bool            ignore_x_mode;     /* Standard rendering mode for   */
                                           /* subpixel hinting.  On if gray */
                                           /* or subpixel hinting is on.    */
 
-    /* The following 4 aren't fully implemented but here for MS rasterizer */
+    /* The following 6 aren't fully implemented but here for MS rasterizer */
     /* compatibility.                                                      */
     FT_Bool            compatible_widths;     /* compatible widths?        */
     FT_Bool            symmetrical_smoothing; /* symmetrical_smoothing?    */
     FT_Bool            bgr;                   /* bgr instead of rgb?       */
+    FT_Bool            vertical_lcd;          /* long side of LCD subpixel */
+                                              /* rectangles is horizontal  */
     FT_Bool            subpixel_positioned;   /* subpixel positioned       */
                                               /* (DirectWrite ClearType)?  */
+    FT_Bool            gray_cleartype;        /* ClearType hinting but     */
+                                              /* grayscale rendering       */
 
     FT_Int             rasterizer_version;    /* MS rasterizer version     */
 
@@ -315,7 +307,7 @@ FT_BEGIN_HEADER
   FT_LOCAL( FT_Error )
   Update_Max( FT_Memory  memory,
               FT_ULong*  size,
-              FT_Long    multiplier,
+              FT_ULong   multiplier,
               void*      _pbuff,
               FT_ULong   new_max );
 #endif /* TT_USE_BYTECODE_INTERPRETER */
@@ -339,6 +331,7 @@ FT_BEGIN_HEADER
   /*                                                                       */
   /* <Note>                                                                */
   /*    Only the glyph loader and debugger should call this function.      */
+  /*    (And right now only the glyph loader uses it.)                     */
   /*                                                                       */
   FT_EXPORT( TT_ExecContext )
   TT_New_Context( TT_Driver  driver );
@@ -358,8 +351,7 @@ FT_BEGIN_HEADER
                    TT_Size         ins );
 
   FT_LOCAL( FT_Error )
-  TT_Run_Context( TT_ExecContext  exec,
-                  FT_Bool         debug );
+  TT_Run_Context( TT_ExecContext  exec );
 #endif /* TT_USE_BYTECODE_INTERPRETER */