Convert pango/opentype to the new project called HarfBuzz.

2006-03-31  Behdad Esfahbod  <[email protected]>

        Convert pango/opentype to the new project called HarfBuzz.

        * pango/opentype/*: Restructured.

        * pango/pango-ot-*: Updated to use HarfBuzz symbol names.
diff --git a/src/harfbuzz-buffer.h b/src/harfbuzz-buffer.h
new file mode 100644
index 0000000..c7478e3
--- /dev/null
+++ b/src/harfbuzz-buffer.h
@@ -0,0 +1,106 @@
+/* harfbuzz-buffer.h: Buffer of glyphs for substitution/positioning
+ *
+ * Copyrigh 2004 Red Hat Software
+ *
+ * Portions Copyright 1996-2000 by
+ * David Turner, Robert Wilhelm, and Werner Lemberg.
+ *
+ * This file is part of the FreeType project, and may only be used
+ * modified and distributed under the terms of the FreeType project
+ * license, LICENSE.TXT.  By continuing to use, modify, or distribute
+ * this file you indicate that you have read the license and
+ * understand and accept it fully.
+ */
+#ifndef HARFBUZZ_BUFFER_H
+#define HARFBUZZ_BUFFER_H
+
+#include <ft2build.h>
+#include FT_FREETYPE_H
+
+FT_BEGIN_HEADER
+
+#define HB_GLYPH_PROPERTIES_UNKNOWN 0xFFFF
+
+typedef struct HB_GlyphItemRec_ {
+  FT_UInt     gindex;
+  FT_UInt     properties;
+  FT_UInt     cluster;
+  FT_UShort   component;
+  FT_UShort   ligID;
+  FT_UShort   gproperties;
+} HB_GlyphItemRec, *HB_GlyphItem;
+
+typedef struct HB_PositionRec_ {
+  FT_Pos     x_pos;
+  FT_Pos     y_pos;
+  FT_Pos     x_advance;
+  FT_Pos     y_advance;
+  FT_UShort  back;            /* number of glyphs to go back
+				 for drawing current glyph   */
+  FT_Bool    new_advance;     /* if set, the advance width values are
+				 absolute, i.e., they won't be
+				 added to the original glyph's value
+				 but rather replace them.            */
+  FT_Short  cursive_chain;   /* character to which this connects,
+				 may be positive or negative; used
+				 only internally                     */
+} HB_PositionRec, *HB_Position;
+
+
+typedef struct HB_BufferRec_{ 
+  FT_Memory   memory;
+  FT_ULong    allocated;
+
+  FT_ULong    in_length;
+  FT_ULong    out_length;
+  FT_ULong    in_pos;
+  FT_ULong    out_pos;
+  
+  HB_GlyphItem  in_string;
+  HB_GlyphItem  out_string;
+  HB_Position   positions;
+  FT_UShort      max_ligID;
+} HB_BufferRec, *HB_Buffer;
+
+FT_Error
+hb_buffer_new( FT_Memory   memory,
+		HB_Buffer *buffer );
+
+FT_Error
+hb_buffer_swap( HB_Buffer buffer );
+
+FT_Error
+hb_buffer_free( HB_Buffer buffer );
+
+FT_Error
+hb_buffer_clear( HB_Buffer buffer );
+
+FT_Error
+hb_buffer_add_glyph( HB_Buffer buffer,
+		      FT_UInt    glyph_index,
+		      FT_UInt    properties,
+		      FT_UInt    cluster );
+
+FT_Error
+hb_buffer_add_output_glyphs( HB_Buffer buffer,
+			      FT_UShort  num_in,
+			      FT_UShort  num_out,
+			      FT_UShort *glyph_data,
+			      FT_UShort  component,
+			      FT_UShort  ligID );
+
+FT_Error
+hb_buffer_add_output_glyph ( HB_Buffer buffer,
+			      FT_UInt    glyph_index,
+			      FT_UShort  component,
+			      FT_UShort  ligID );
+
+FT_Error
+hb_buffer_copy_output_glyph ( HB_Buffer buffer );
+
+FT_UShort
+hb_buffer_allocate_ligid( HB_Buffer buffer );
+
+FT_END_HEADER
+
+#endif /* HARFBUZZ_BUFFER_H */