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/* OpenIDA - Outil d'analyse de fichiers binaires
 * gfontcache.h - prototypes pour la mise en cache avec actualisation des polices
 *
 * Copyright (C) 2012 Cyrille Bagard
 *
 *  This file is part of OpenIDA.
 *
 *  OpenIDA is free software; you can redistribute it and/or modify
 *  it under the terms of the GNU General Public License as published by
 *  the Free Software Foundation; either version 3 of the License, or
 *  (at your option) any later version.
 *
 *  OpenIDA 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 General Public License for more details.
 *
 *  You should have received a copy of the GNU General Public License
 *  along with Foobar.  If not, see <http://www.gnu.org/licenses/>.
 */


#ifndef _GLIBEXT_GFONTCACHE_H
#define _GLIBEXT_GFONTCACHE_H


#include <glib.h>
#include <glib-object.h>
#include <gtk/gtkwidget.h>
#include <pango/pango-context.h>
#include <pango/pango-font.h>



/* ----------------------- MISE EN PLACE D'UN CONTEXTE GLOBAL ----------------------- */


/* Initialise le contexte Pango pour la gestion des textes. */
void init_global_pango_context(void);

/* Fournit le contexte Pango global  pour l'impression. */
PangoContext *get_global_pango_context(void);

/* Supprime le contexte Pango pour la gestion des textes. */
void exit_global_pango_context(void);



/* ---------------------------- CACHE DE POLICES PAR VUE ---------------------------- */


#define G_TYPE_FONT_CACHE               g_font_cache_get_type()
#define G_FONT_CACHE(obj)               (G_TYPE_CHECK_INSTANCE_CAST((obj), g_font_cache_get_type(), GFontCache))
#define G_IS_FONT_CACHE(obj)            (G_TYPE_CHECK_INSTANCE_TYPE((obj), g_font_cache_get_type()))
#define G_FONT_CACHE_CLASS(klass)       (G_TYPE_CHECK_CLASS_CAST((klass), G_TYPE_FONT_CACHE, GFontCacheClass))
#define G_IS_FONT_CACHE_CLASS(klass)    (G_TYPE_CHECK_CLASS_TYPE((klass), G_TYPE_FONT_CACHE))
#define G_FONT_CACHE_GET_CLASS(obj)     (G_TYPE_INSTANCE_GET_CLASS((obj), G_TYPE_FONT_CACHE, GFontCacheClass))


/* Description d'un cache pour polices (instance) */
typedef struct _GFontCache GFontCache;

/* Description d'un cache pour polices (classe) */
typedef struct _GFontCacheClass GFontCacheClass;


/* Indique le type défini pour un cache pour polices. */
GType g_font_cache_get_type(void);

/* Crée un bloc virtuel d'instructions. */
GFontCache *g_font_cache_new(void);

/* Fournit une police utilisable répondant au besoin. */
PangoFont *g_font_cache_lookup(GFontCache *, const PangoFontDescription *);



#endif  /* _GLIBEXT_GFONTCACHE_H */