Update freetype to latest version of ASOP.

src/truetype/ttinterp.h

Index: src/truetype/ttinterp.h
diff --git a/src/truetype/ttinterp.h b/src/truetype/ttinterp.h
index 6d0fc03d68c5ff3769184eda8b94b15fcd298b32..69f5011ed40de2c9f15dd9d14aea99e0e3e7487b 100644
--- a/src/truetype/ttinterp.h
+++ b/src/truetype/ttinterp.h
@@ -4,7 +4,7 @@
 /*                                                                         */
 /*    TrueType bytecode interpreter (specification).                       */
 /*                                                                         */
-/*  Copyright 1996-2001, 2002, 2003, 2004, 2005, 2006, 2007, 2010 by       */
+/*  Copyright 1996-2007, 2010, 2012-2013 by                                */
 /*  David Turner, Robert Wilhelm, and Werner Lemberg.                      */
 /*                                                                         */
 /*  This file is part of the FreeType project, and may only be used,       */
@@ -107,6 +107,48 @@ FT_BEGIN_HEADER
   } TT_CallRec, *TT_CallStack;
 
 
+#ifdef TT_CONFIG_OPTION_SUBPIXEL_HINTING
+
+  /*************************************************************************/
+  /*                                                                       */
+  /* These structures define rules used to tweak subpixel hinting for      */
+  /* various fonts.  "", 0, "", NULL value indicates to match any value.   */
+  /*                                                                       */
+
+#define SPH_MAX_NAME_SIZE      32
+#define SPH_MAX_CLASS_MEMBERS  100
+
+  typedef struct  SPH_TweakRule_
+  {
+    const char      family[SPH_MAX_NAME_SIZE];
+    const FT_UInt   ppem;
+    const char      style[SPH_MAX_NAME_SIZE];
+    const FT_ULong  glyph;
+
+  } SPH_TweakRule;
+
+
+  typedef struct  SPH_ScaleRule_
+  {
+    const char      family[SPH_MAX_NAME_SIZE];
+    const FT_UInt   ppem;
+    const char      style[SPH_MAX_NAME_SIZE];
+    const FT_ULong  glyph;
+    const FT_ULong  scale;
+
+  } SPH_ScaleRule;
+
+
+  typedef struct  SPH_Font_Class_
+  {
+    const char  name[SPH_MAX_NAME_SIZE];
+    const char  member[SPH_MAX_CLASS_MEMBERS][SPH_MAX_NAME_SIZE];
+
+  } SPH_Font_Class;
+
+#endif /* TT_CONFIG_OPTION_SUBPIXEL_HINTING */
+
+
   /*************************************************************************/
   /*                                                                       */
   /* The main structure for the interpreter which collects all necessary   */
@@ -218,12 +260,43 @@ FT_BEGIN_HEADER
 
     FT_Bool            grayscale;      /* are we hinting for grayscale? */
 
+#ifdef TT_CONFIG_OPTION_SUBPIXEL_HINTING
+    TT_Round_Func      func_round_sphn;   /* subpixel rounding function */
+
+    FT_Bool            grayscale_hinting; /* Using grayscale hinting?      */
+    FT_Bool            subpixel_hinting;  /* Using subpixel hinting?       */
+    FT_Bool            native_hinting;    /* Using native 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 */
+    /* compatibility.                                                      */
+    FT_Bool            compatible_widths;     /* compatible widths?        */
+    FT_Bool            symmetrical_smoothing; /* symmetrical_smoothing?    */
+    FT_Bool            bgr;                   /* bgr instead of rgb?       */
+    FT_Bool            subpixel_positioned;   /* subpixel positioned       */
+                                              /* (DirectWrite ClearType)?  */
+
+    FT_Int             rasterizer_version;    /* MS rasterizer version     */
+
+    FT_Bool            iup_called;            /* IUP called for glyph?     */
+
+    FT_ULong           sph_tweak_flags;       /* flags to control          */
+                                              /* hint tweaks               */
+
+    FT_ULong           sph_in_func_flags;     /* flags to indicate if in   */
+                                              /* special functions         */
+
+#endif /* TT_CONFIG_OPTION_SUBPIXEL_HINTING */
+
   } TT_ExecContextRec;
 
 
   extern const TT_GraphicsState  tt_default_graphics_state;
 
 
+#ifdef TT_USE_BYTECODE_INTERPRETER
   FT_LOCAL( FT_Error )
   TT_Goto_CodeRange( TT_ExecContext  exec,
                      FT_Int          range,
@@ -246,6 +319,7 @@ FT_BEGIN_HEADER
               FT_Long    multiplier,
               void*      _pbuff,
               FT_ULong   new_max );
+#endif /* TT_USE_BYTECODE_INTERPRETER */
 
 
   /*************************************************************************/
@@ -270,6 +344,8 @@ FT_BEGIN_HEADER
   FT_EXPORT( TT_ExecContext )
   TT_New_Context( TT_Driver  driver );
 
+
+#ifdef TT_USE_BYTECODE_INTERPRETER
   FT_LOCAL( FT_Error )
   TT_Done_Context( TT_ExecContext  exec );
 
@@ -285,6 +361,7 @@ FT_BEGIN_HEADER
   FT_LOCAL( FT_Error )
   TT_Run_Context( TT_ExecContext  exec,
                   FT_Bool         debug );
+#endif /* TT_USE_BYTECODE_INTERPRETER */
 
 
   /*************************************************************************/