text: /* Pango
   * pango-fontset.h: Font set handling
   *
   * Copyright (C) 2001 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_FONTSET_H__
  #define __PANGO_FONTSET_H__
  
  #include <pango/pango-coverage.h>
  #include <pango/pango-types.h>
  
  #include <glib-object.h>
  
  G_BEGIN_DECLS
  
  /*
   * PangoFontset
   */
  
  #define PANGO_TYPE_FONTSET              (pango_fontset_get_type ())
  #define PANGO_FONTSET(object)           (G_TYPE_CHECK_INSTANCE_CAST ((object), PANGO_TYPE_FONTSET, PangoFontset))
  #define PANGO_IS_FONTSET(object)        (G_TYPE_CHECK_INSTANCE_TYPE ((object), PANGO_TYPE_FONTSET))
  
  GType pango_fontset_get_type (void) G_GNUC_CONST;
  
  typedef struct _PangoFontset        PangoFontset;
  
  /**
   * PangoFontsetForeachFunc
   * @fontset: a #PangoFontset
   * @font: a font from @fontset
   * @data: callback data
   *
   * A callback function used by pango_fontset_foreach() when enumerating
   * the fonts in a fontset.
   *
   * Returns: if %TRUE, stop iteration and return immediately.
   *
   * Since: 1.4
   **/
  typedef gboolean (*PangoFontsetForeachFunc) (PangoFontset  *fontset,
  					     PangoFont     *font,
  					     gpointer       data);
  
  PangoFont *       pango_fontset_get_font    (PangoFontset           *fontset,
  					     guint                   wc);
  PangoFontMetrics *pango_fontset_get_metrics (PangoFontset           *fontset);
  void              pango_fontset_foreach     (PangoFontset           *fontset,
  					     PangoFontsetForeachFunc func,
  					     gpointer                data);
  
  #ifdef PANGO_ENABLE_BACKEND
  
  typedef struct _PangoFontsetClass   PangoFontsetClass;
  
  #define PANGO_FONTSET_CLASS(klass)      (G_TYPE_CHECK_CLASS_CAST ((klass), PANGO_TYPE_FONTSET, PangoFontsetClass))
  #define PANGO_IS_FONTSET_CLASS(klass)   (G_TYPE_CHECK_CLASS_TYPE ((klass), PANGO_TYPE_FONTSET))
  #define PANGO_FONTSET_GET_CLASS(obj)    (G_TYPE_INSTANCE_GET_CLASS ((obj), PANGO_TYPE_FONTSET, PangoFontsetClass))
  
  struct _PangoFontset
  {
    GObject parent_instance;
  };
  
  struct _PangoFontsetClass
  {
    GObjectClass parent_class;
  
    /*< public >*/
  
    PangoFont *       (*get_font)     (PangoFontset     *fontset,
  				     guint             wc);
  
    PangoFontMetrics *(*get_metrics)  (PangoFontset     *fontset);
    PangoLanguage *   (*get_language) (PangoFontset     *fontset);
    void              (*foreach)      (PangoFontset           *fontset,
  				     PangoFontsetForeachFunc func,
  				     gpointer                data);
  
    /*< private >*/
  
    /* Padding for future expansion */
    void (*_pango_reserved1) (void);
    void (*_pango_reserved2) (void);
    void (*_pango_reserved3) (void);
    void (*_pango_reserved4) (void);
  };
  
  /*
   * PangoFontsetSimple
   */
  
  #define PANGO_TYPE_FONTSET_SIMPLE       (pango_fontset_simple_get_type ())
  #define PANGO_FONTSET_SIMPLE(object)    (G_TYPE_CHECK_INSTANCE_CAST ((object), PANGO_TYPE_FONTSET_SIMPLE, PangoFontsetSimple))
  #define PANGO_IS_FONTSET_SIMPLE(object) (G_TYPE_CHECK_INSTANCE_TYPE ((object), PANGO_TYPE_FONTSET_SIMPLE))
  
  typedef struct _PangoFontsetSimple  PangoFontsetSimple;
  typedef struct _PangoFontsetSimpleClass  PangoFontsetSimpleClass;
  
  GType pango_fontset_simple_get_type (void) G_GNUC_CONST;
  
  PangoFontsetSimple * pango_fontset_simple_new    (PangoLanguage      *language);
  void                 pango_fontset_simple_append (PangoFontsetSimple *fontset,
  						  PangoFont          *font);
  int                  pango_fontset_simple_size   (PangoFontsetSimple *fontset);
  
  #endif /* PANGO_ENABLE_BACKEND */
  
  G_END_DECLS
  
  #endif /* __PANGO_FONTSET_H__ */
  