tizen 2.3.1 release

[framework/graphics/freetype.git] / src / autofit / afglobal.h

diff --git a/src/autofit/afglobal.h b/src/autofit/afglobal.h
index cc6860b..38d8d69 100644 (file)
--- a/src/autofit/afglobal.h
+++ b/src/autofit/afglobal.h
@@ -5,7 +5,7 @@
 /*    Auto-fitter routines to compute global hinting values                */
 /*    (specification).                                                     */
 /*                                                                         */
-/*  Copyright 2003-2005, 2007, 2009, 2011 by                               */
+/*  Copyright 2003-2005, 2007, 2009, 2011-2014 by                          */
 /*  David Turner, Robert Wilhelm, and Werner Lemberg.                      */
 /*                                                                         */
 /*  This file is part of the FreeType project, and may only be used,       */
@@ -22,11 +22,66 @@
 
 
 #include "aftypes.h"
+#include "afmodule.h"
+#include "hbshim.h"
 
 
 FT_BEGIN_HEADER
 
 
+  FT_LOCAL_ARRAY( AF_WritingSystemClass )
+  af_writing_system_classes[];
+
+
+#undef  SCRIPT
+#define SCRIPT( s, S, d, h, sc1, sc2, sc3 )                    \
+          AF_DECLARE_SCRIPT_CLASS( af_ ## s ## _script_class )
+
+#include "afscript.h"
+
+  FT_LOCAL_ARRAY( AF_ScriptClass )
+  af_script_classes[];
+
+
+#undef  STYLE
+#define STYLE( s, S, d, ws, sc, ss, c )                      \
+          AF_DECLARE_STYLE_CLASS( af_ ## s ## _style_class )
+
+#include "afstyles.h"
+
+  FT_LOCAL_ARRAY( AF_StyleClass )
+  af_style_classes[];
+
+
+#ifdef FT_DEBUG_LEVEL_TRACE
+  FT_LOCAL_ARRAY( char* )
+  af_style_names[];
+#endif
+
+
+  /*
+   *  Default values and flags for both autofitter globals (found in
+   *  AF_ModuleRec) and face globals (in AF_FaceGlobalsRec).
+   */
+
+  /* index of fallback style in `af_style_classes' */
+#ifdef AF_CONFIG_OPTION_CJK
+#define AF_STYLE_FALLBACK    AF_STYLE_HANI_DFLT
+#else
+#define AF_STYLE_FALLBACK    AF_STYLE_NONE_DFLT
+#endif
+  /* default script for OpenType; ignored if HarfBuzz isn't used */
+#define AF_SCRIPT_DEFAULT    AF_SCRIPT_LATN
+  /* a bit mask indicating an uncovered glyph        */
+#define AF_STYLE_UNASSIGNED  0x7F
+  /* if this flag is set, we have an ASCII digit     */
+#define AF_DIGIT             0x80
+
+  /* `increase-x-height' property */
+#define AF_PROP_INCREASE_X_HEIGHT_MIN  6
+#define AF_PROP_INCREASE_X_HEIGHT_MAX  0
+
+
   /************************************************************************/
   /************************************************************************/
   /*****                                                              *****/
@@ -37,21 +92,45 @@ FT_BEGIN_HEADER
 
 
   /*
-   *  model the global hints data for a given face, decomposed into
-   *  script-specific items
+   *  Note that glyph_styles[] maps each glyph to an index into the
+   *  `af_style_classes' array.
+   *
    */
-  typedef struct AF_FaceGlobalsRec_*   AF_FaceGlobals;
+  typedef struct  AF_FaceGlobalsRec_
+  {
+    FT_Face          face;
+    FT_Long          glyph_count;    /* same as face->num_glyphs */
+    FT_Byte*         glyph_styles;
+
+#ifdef FT_CONFIG_OPTION_USE_HARFBUZZ
+    hb_font_t*       hb_font;
+#endif
+
+    /* per-face auto-hinter properties */
+    FT_UInt          increase_x_height;
 
+    AF_StyleMetrics  metrics[AF_STYLE_MAX];
+
+    AF_Module        module;         /* to access global properties */
+
+  } AF_FaceGlobalsRec;
+
+
+  /*
+   *  model the global hints data for a given face, decomposed into
+   *  style-specific items
+   */
 
   FT_LOCAL( FT_Error )
   af_face_globals_new( FT_Face          face,
-                       AF_FaceGlobals  *aglobals );
+                       AF_FaceGlobals  *aglobals,
+                       AF_Module        module );
 
   FT_LOCAL( FT_Error )
-  af_face_globals_get_metrics( AF_FaceGlobals     globals,
-                               FT_UInt            gindex,
-                               FT_UInt            options,
-                               AF_ScriptMetrics  *ametrics );
+  af_face_globals_get_metrics( AF_FaceGlobals    globals,
+                               FT_UInt           gindex,
+                               FT_UInt           options,
+                               AF_StyleMetrics  *ametrics );
 
   FT_LOCAL( void )
   af_face_globals_free( AF_FaceGlobals  globals );