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/* Pango
* pango-glyph-item-private.h: Pair of PangoItem and a glyph string; private
* functionality
*
* Copyright (C) 2004 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_GLYPH_ITEM_PRIVATE_H__
#define __PANGO_GLYPH_ITEM_PRIVATE_H__
#include <pango-glyph-item.h>
G_BEGIN_DECLS
/* Structure holding state when we're iterating over a GlyphItem.
* start_index/cluster_end (and range_start/range_end in
* apply_attrs()) are offsets into the text, so note the difference
* of glyph_item->item->offset between them and clusters in the
* log_clusters[] array.
*/
typedef struct _PangoGlyphItemIter PangoGlyphItemIter;
struct _PangoGlyphItemIter
{
PangoGlyphItem *glyph_item;
const gchar *text;
int start_glyph;
int start_index;
int start_char;
int end_glyph;
int end_index;
int end_char;
};
gboolean _pango_glyph_item_iter_init_start (PangoGlyphItemIter *iter,
PangoGlyphItem *glyph_item,
const char *text);
gboolean _pango_glyph_item_iter_init_end (PangoGlyphItemIter *iter,
PangoGlyphItem *glyph_item,
const char *text);
gboolean _pango_glyph_item_iter_next_cluster (PangoGlyphItemIter *iter);
gboolean _pango_glyph_item_iter_prev_cluster (PangoGlyphItemIter *iter);
G_END_DECLS
#endif /* __PANGO_GLYPH_ITEM_PRIVATE_H__ */
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