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/*******************************************************************
*
* Copyright 1996-2000 by
* David Turner, Robert Wilhelm, and Werner Lemberg.
*
* Copyright 2006 Behdad Esfahbod
*
* This is part of HarfBuzz, an OpenType Layout engine library.
*
* See the file name COPYING for licensing information.
*
******************************************************************/
#ifndef HARFBUZZ_IMPL_H
#define HARFBUZZ_IMPL_H
#include <ft2build.h>
#include FT_FREETYPE_H
#include FT_TRUETYPE_TAGS_H
FT_BEGIN_HEADER
#ifndef NULL
# define NULL ((void *)0)
#endif
#ifndef FALSE
# define FALSE 0
#endif
#ifndef TRUE
# define TRUE 1
#endif
#ifndef TTAG_GDEF
# define TTAG_GDEF FT_MAKE_TAG( 'G', 'D', 'E', 'F' )
#endif
#ifndef TTAG_GPOS
# define TTAG_GPOS FT_MAKE_TAG( 'G', 'P', 'O', 'S' )
#endif
#ifndef TTAG_GSUB
# define TTAG_GSUB FT_MAKE_TAG( 'G', 'S', 'U', 'B' )
#endif
#ifndef FT_UNUSED
# define FT_UNUSED(arg) ((arg) = (arg))
#endif
#include "ftglue.h"
#define ARRAY_LEN(Array) ((int)(sizeof (Array) / sizeof (Array)[0]))
#define IN_GLYPH( pos ) (buffer->in_string[(pos)].gindex)
#define IN_ITEM( pos ) (&buffer->in_string[(pos)])
#define IN_CURGLYPH() (buffer->in_string[buffer->in_pos].gindex)
#define IN_CURITEM() (&buffer->in_string[buffer->in_pos])
#define IN_PROPERTIES( pos ) (buffer->in_string[(pos)].properties)
#define IN_LIGID( pos ) (buffer->in_string[(pos)].ligID)
#define IN_COMPONENT( pos ) (buffer->in_string[(pos)].component)
#define POSITION( pos ) (&buffer->positions[(pos)])
#define OUT_GLYPH( pos ) (buffer->out_string[(pos)].gindex)
#define OUT_ITEM( pos ) (&buffer->out_string[(pos)])
#define CHECK_Property( gdef, index, flags, property ) \
( ( error = _HB_GDEF_Check_Property( (gdef), (index), (flags), \
(property) ) ) != HB_Err_Ok )
#define ADD_String( buffer, num_in, num_out, glyph_data, component, ligID ) \
( ( error = hb_buffer_add_output_glyphs( (buffer), \
(num_in), (num_out), \
(glyph_data), (component), (ligID) \
) ) != HB_Err_Ok )
#define ADD_Glyph( buffer, glyph_index, component, ligID ) \
( ( error = hb_buffer_add_output_glyph( (buffer), \
(glyph_index), (component), (ligID) \
) ) != HB_Err_Ok )
#define REPLACE_Glyph( buffer, glyph_index, nesting_level ) \
( ( error = hb_buffer_replace_output_glyph( (buffer), (glyph_index), \
(nesting_level) == 1 ) ) != HB_Err_Ok )
#define COPY_Glyph( buffer ) \
( (error = hb_buffer_copy_output_glyph ( buffer ) ) != HB_Err_Ok )
FT_END_HEADER
#endif /* HARFBUZZ_IMPL_H */
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