harfbuzz-ng roll

third_party/harfbuzz-ng/src/hb-ot-layout.h

 /*
  * Copyright © 2007,2008,2009  Red Hat, Inc.
  *
  *  This is part of HarfBuzz, a text shaping library.
  *
  * Permission is hereby granted, without written agreement and without
  * license or royalty fees, to use, copy, modify, and distribute this
  * software and its documentation for any purpose, provided that the
  * above copyright notice and the following two paragraphs appear in
  * all copies of this software.
@@ skipping 24 matching lines @@
 
 #include "hb-ot-tag.h"
 
 HB_BEGIN_DECLS
 
 
 #define HB_OT_TAG_GDEF HB_TAG('G','D','E','F')
 #define HB_OT_TAG_GSUB HB_TAG('G','S','U','B')
 #define HB_OT_TAG_GPOS HB_TAG('G','P','O','S')
 
+
 /*
  * GDEF
  */
 
 hb_bool_t
 hb_ot_layout_has_glyph_classes (hb_face_t *face);
 
 /* Not that useful.  Provides list of attach points for a glyph that a
  * client may want to cache */
 unsigned int
@@ skipping 106 matching lines @@
                                          unsigned int *lookup_indexes /* OUT */);
 
 
 /*
  * GSUB
  */
 
 hb_bool_t
 hb_ot_layout_has_substitution (hb_face_t *face);
 
-/* Should be called before all the substitute_lookup's are done. */
-void
-hb_ot_layout_substitute_start (hb_buffer_t  *buffer);
-
 hb_bool_t
-hb_ot_layout_substitute_lookup (hb_face_t    *face,
-                                hb_buffer_t  *buffer,
-                                unsigned int  lookup_index,
-                                hb_mask_t     mask);
-
-/* Should be called after all the substitute_lookup's are done */
-void
-hb_ot_layout_substitute_finish (hb_buffer_t  *buffer);
-
+hb_ot_layout_would_substitute_lookup (hb_face_t            *face,
+                                      unsigned int          lookup_index,
+                                      const hb_codepoint_t *glyphs,
+                                      unsigned int          glyphs_length,
+                                      hb_bool_t             zero_context);
 
 void
 hb_ot_layout_substitute_closure_lookup (hb_face_t    *face,
-                                        hb_set_t     *glyphs,
-                                        unsigned int  lookup_index);
+                                        unsigned int  lookup_index,
+                                        hb_set_t     *glyphs);
 
 /*
  * GPOS
  */
 
 hb_bool_t
 hb_ot_layout_has_positioning (hb_face_t *face);
 
-/* Should be called before all the position_lookup's are done.  Resets positions to zero. */
-void
-hb_ot_layout_position_start (hb_buffer_t  *buffer);
-
-hb_bool_t
-hb_ot_layout_position_lookup (hb_font_t    *font,
-                              hb_buffer_t  *buffer,
-                              unsigned int  lookup_index,
-                              hb_mask_t     mask);
-
-/* Should be called after all the position_lookup's are done */
-void
-hb_ot_layout_position_finish (hb_buffer_t  *buffer);
-
 
 HB_END_DECLS
 
 #endif /* HB_OT_LAYOUT_H */