Give it a start at GSUB

[profile/ivi/org.tizen.video-player.git] / src / hb-ot-layout.h

diff --git a/src/hb-ot-layout.h b/src/hb-ot-layout.h
index 447dac2..c29485c 100644 (file)
--- a/src/hb-ot-layout.h
+++ b/src/hb-ot-layout.h
@@ -67,17 +67,17 @@ hb_ot_layout_has_font_glyph_classes (hb_ot_layout_t *layout);
 
 hb_ot_layout_glyph_class_t
 hb_ot_layout_get_glyph_class (hb_ot_layout_t *layout,
-                             hb_glyph_t      glyph);
+                             hb_codepoint_t  glyph);
 
 void
 hb_ot_layout_set_glyph_class (hb_ot_layout_t            *layout,
-                             hb_glyph_t                 glyph,
+                             hb_codepoint_t             glyph,
                              hb_ot_layout_glyph_class_t klass);
 
 void
 hb_ot_layout_build_glyph_classes (hb_ot_layout_t *layout,
                                  uint16_t        num_total_glyphs,
-                                 hb_glyph_t     *glyphs,
+                                 hb_codepoint_t *glyphs,
                                  unsigned char  *klasses,
                                  uint16_t        count);
 
@@ -91,6 +91,10 @@ typedef enum {
   HB_OT_LAYOUT_TABLE_TYPE_NONE
 } hb_ot_layout_table_type_t;
 
+typedef uint16_t hb_ot_layout_feature_mask_t;
+
+#define HB_OT_LAYOUT_MAX_NESTING_LEVEL         100
+
 #define HB_OT_LAYOUT_NO_SCRIPT_INDEX           ((unsigned int) 0xFFFF)
 #define HB_OT_LAYOUT_NO_FEATURE_INDEX          ((unsigned int) 0xFFFF)
 #define HB_OT_LAYOUT_DEFAULT_LANGUAGE_INDEX    ((unsigned int) 0xFFFF)
@@ -195,6 +199,25 @@ hb_ot_layout_feature_get_lookup_index (hb_ot_layout_t            *layout,
                                       unsigned int               feature_index,
                                       unsigned int               num_lookup);
 
+/*
+ * GSUB
+ */
+
+hb_bool_t
+hb_ot_layout_substitute_lookup (hb_ot_layout_t              *layout,
+                               hb_buffer_t                 *buffer,
+                               unsigned int                 lookup_index,
+                               hb_ot_layout_feature_mask_t  mask);
+
+
+
+
+
+
+
+
+
+
 
 /*
 #define PANGO_OT_ALL_GLYPHS                    ((guint) 0xFFFF)