/* Pango * pango-glyph.h: Glyph storage * * 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_GLYPH_H__#define __PANGO_GLYPH_H__#include <pango/pango-types.h>#include <pango/pango-item.h>G_BEGIN_DECLStypedef struct _PangoGlyphGeometry PangoGlyphGeometry;typedef struct _PangoGlyphVisAttr PangoGlyphVisAttr;typedef struct _PangoGlyphInfo PangoGlyphInfo;typedef struct _PangoGlyphString PangoGlyphString;/* 1024ths of a device unit */typedef gint32 PangoGlyphUnit;/* Positioning information about a glyph */struct _PangoGlyphGeometry{  PangoGlyphUnit width;  PangoGlyphUnit x_offset;  PangoGlyphUnit y_offset;};/* Visual attributes of a glyph */struct _PangoGlyphVisAttr{  guint is_cluster_start : 1;};/* A single glyph */struct _PangoGlyphInfo{  PangoGlyph    glyph;  PangoGlyphGeometry geometry;  PangoGlyphVisAttr  attr;};/* A string of glyphs with positional information and visual attributes - * ready for drawing */struct _PangoGlyphString {  gint num_glyphs;  PangoGlyphInfo *glyphs;  /* This is a memory inefficient way of representing the information   * here - each value gives the byte index within the text   * corresponding to the glyph string of the start of the cluster to   * which the glyph belongs.   */  gint *log_clusters;  /*< private >*/  gint space;};#define PANGO_TYPE_GLYPH_STRING (pango_glyph_string_get_type ())PangoGlyphString *pango_glyph_string_new      (void);void              pango_glyph_string_set_size (PangoGlyphString *string,					       gint              new_len);GType             pango_glyph_string_get_type (void) G_GNUC_CONST;PangoGlyphString *pango_glyph_string_copy     (PangoGlyphString *string);void              pango_glyph_string_free     (PangoGlyphString *string);void              pango_glyph_string_extents  (PangoGlyphString *glyphs,					       PangoFont        *font,					       PangoRectangle   *ink_rect,					       PangoRectangle   *logical_rect);int               pango_glyph_string_get_width(PangoGlyphString *glyphs) G_GNUC_PURE;void              pango_glyph_string_extents_range  (PangoGlyphString *glyphs,						     int               start,						     int               end,						     PangoFont        *font,						     PangoRectangle   *ink_rect,						     PangoRectangle   *logical_rect);void pango_glyph_string_get_logical_widths (PangoGlyphString *glyphs,					    const char       *text,					    int               length,					    int               embedding_level,					    int              *logical_widths);void pango_glyph_string_index_to_x (PangoGlyphString *glyphs,				    char             *text,				    int               length,				    PangoAnalysis    *analysis,				    int               index_,				    gboolean          trailing,				    int              *x_pos);void pango_glyph_string_x_to_index (PangoGlyphString *glyphs,				    char             *text,				    int               length,				    PangoAnalysis    *analysis,				    int               x_pos,				    int              *index_,				    int              *trailing);/* Turn a string of characters into a string of glyphs */void pango_shape (const gchar      *text,		  gint              length,		  const PangoAnalysis *analysis,		  PangoGlyphString *glyphs);GList *pango_reorder_items (GList *logical_items);G_END_DECLS#endif /* __PANGO_GLYPH_H__ */