/****************************************************************************\
 Part of the XeTeX typesetting system
 Copyright (c) 1994-2008 by SIL International
 Copyright (c) 2009 by Jonathan Kew

 SIL Author(s): Jonathan Kew

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\****************************************************************************/

#ifndef __XETEX_OT_MATH__
#define __XETEX_OT_MATH__

#include <stdbool.h>

#include "xetex-core.h"
#include "xetex-ext.h"

typedef struct {
    unsigned int count;
    hb_ot_math_glyph_part_t *parts;
} GlyphAssembly;

BEGIN_EXTERN_C

int get_native_mathsy_param(int f, int n);
int get_native_mathex_param(int f, int n);
int get_ot_math_constant(int f, int n);
int get_ot_math_variant(int f, int g, int v, int32_t* adv, int horiz);
void* get_ot_assembly_ptr(int f, int g, int horiz);
void free_ot_assembly(GlyphAssembly *a);
int get_ot_math_ital_corr(int f, int g);
int get_ot_math_accent_pos(int f, int g);
int get_ot_math_kern(int f, int g, int sf, int sg, int cmd, int shift);
int ot_part_count(const GlyphAssembly* a);
int ot_part_glyph(const GlyphAssembly* a, int i);
bool ot_part_is_extender(const GlyphAssembly* a, int i);
int ot_part_start_connector(int f, const GlyphAssembly* a, int i);
int ot_part_end_connector(int f, const GlyphAssembly* a, int i);
int ot_part_full_advance(int f, const GlyphAssembly* a, int i);
int ot_min_connector_overlap(int f);

END_EXTERN_C

#endif