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/* Pango
* pango-ot-private.h: Implementation details for Pango OpenType code
*
* Copyright (C) 2000 Red Hat Software
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Library General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Library General Public License for more details.
*
* You should have received a copy of the GNU Library General Public
* License along with this library; if not, write to the
* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
* Boston, MA 02111-1307, USA.
*/
#ifndef __PANGO_OT_PRIVATE_H__
#define __PANGO_OT_PRIVATE_H__
#include <glib-object.h>
#include <pango/pango-ot.h>
#include "opentype/harfbuzz.h"
G_BEGIN_DECLS
typedef struct _PangoOTInfoClass PangoOTInfoClass;
struct _PangoOTInfo
{
GObject parent_instance;
guint loaded;
FT_Face face;
hb_ot_layout_t *layout;
};
struct _PangoOTInfoClass
{
GObjectClass parent_class;
};
typedef struct _PangoOTRule PangoOTRule;
struct _PangoOTRule
{
gulong property_bit;
HB_UShort feature_index;
guint table_type : 1;
};
typedef struct _PangoOTRulesetClass PangoOTRulesetClass;
struct _PangoOTRuleset
{
GObject parent_instance;
GArray *rules;
PangoOTInfo *info;
/* the index into these arrays is a PangoOTTableType */
guint n_features[2];
guint script_index[2];
guint language_index[2];
};
struct _PangoOTRulesetClass
{
GObjectClass parent_class;
};
struct _PangoOTBuffer
{
HB_Buffer buffer;
gboolean should_free_hb_buffer;
PangoFcFont *font;
guint rtl : 1;
guint zero_width_marks : 1;
guint applied_gpos : 1;
};
hb_ot_layout_t *_pango_ot_info_get_layout (PangoOTInfo *info);
void _pango_ot_info_substitute (const PangoOTInfo *info,
const PangoOTRuleset *ruleset,
PangoOTBuffer *buffer);
void _pango_ot_info_position (const PangoOTInfo *info,
const PangoOTRuleset *ruleset,
PangoOTBuffer *buffer);
G_END_DECLS
#endif /* __PANGO_OT_PRIVATE_H__ */
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