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/* Pango
* pango-font.h: Font handling
*
* 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_FONTMAP_H__
#define __PANGO_FONTMAP_H__
#include <pango/pango-font.h>
#include <pango/pango-fontset.h>
G_BEGIN_DECLS
/**
* PANGO_TYPE_FONT_MAP:
*
* The #GObject type for #PangoFontMap.
*/
/**
* PANGO_FONT_MAP:
* @object: a #GObject.
*
* Casts a #GObject to a #PangoFontMap.
*/
/**
* PANGO_IS_FONT_MAP:
* @object: a #GObject.
*
* Returns: %TRUE if @object is a #PangoFontMap.
*/
#define PANGO_TYPE_FONT_MAP (pango_font_map_get_type ())
#define PANGO_FONT_MAP(object) (G_TYPE_CHECK_INSTANCE_CAST ((object), PANGO_TYPE_FONT_MAP, PangoFontMap))
#define PANGO_IS_FONT_MAP(object) (G_TYPE_CHECK_INSTANCE_TYPE ((object), PANGO_TYPE_FONT_MAP))
typedef struct _PangoContext PangoContext;
PANGO_AVAILABLE_IN_ALL
GType pango_font_map_get_type (void) G_GNUC_CONST;
PANGO_AVAILABLE_IN_1_22
PangoContext * pango_font_map_create_context (PangoFontMap *fontmap);
PANGO_AVAILABLE_IN_ALL
PangoFont * pango_font_map_load_font (PangoFontMap *fontmap,
PangoContext *context,
const PangoFontDescription *desc);
PANGO_AVAILABLE_IN_ALL
PangoFontset *pango_font_map_load_fontset (PangoFontMap *fontmap,
PangoContext *context,
const PangoFontDescription *desc,
PangoLanguage *language);
PANGO_AVAILABLE_IN_ALL
void pango_font_map_list_families (PangoFontMap *fontmap,
PangoFontFamily ***families,
int *n_families);
PANGO_AVAILABLE_IN_1_32
guint pango_font_map_get_serial (PangoFontMap *fontmap);
PANGO_AVAILABLE_IN_1_34
void pango_font_map_changed (PangoFontMap *fontmap);
#ifdef PANGO_ENABLE_BACKEND
/**
* PANGO_FONT_MAP_CLASS:
* @klass: a #GObject.
*
* Casts a #GObject to a #PangoFontMapClass.
*/
/**
* PANGO_IS_FONT_MAP_CLASS:
* @klass: a #GObject.
*
* Returns: %TRUE if @klass is a subtype of #PangoFontMapClass.
*/
/**
* PANGO_FONT_MAP_GET_CLASS:
* @obj: a #PangoFontMap.
*
* Returns: class of @obj
*/
#define PANGO_FONT_MAP_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST ((klass), PANGO_TYPE_FONT_MAP, PangoFontMapClass))
#define PANGO_IS_FONT_MAP_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE ((klass), PANGO_TYPE_FONT_MAP))
#define PANGO_FONT_MAP_GET_CLASS(obj) (G_TYPE_INSTANCE_GET_CLASS ((obj), PANGO_TYPE_FONT_MAP, PangoFontMapClass))
typedef struct _PangoFontMapClass PangoFontMapClass;
/**
* PangoFontMap:
*
* The #PangoFontMap represents the set of fonts available for a
* particular rendering system. This is a virtual object with
* implementations being specific to particular rendering systems. To
* create an implementation of a #PangoFontMap, the rendering-system
* specific code should allocate a larger structure that contains a nested
* #PangoFontMap, fill in the <structfield>klass</structfield> member of the nested #PangoFontMap with a
* pointer to a appropriate #PangoFontMapClass, then call
* pango_font_map_init() on the structure.
*
* The #PangoFontMap structure contains one member which the implementation
* fills in.
*/
struct _PangoFontMap
{
GObject parent_instance;
};
/**
* PangoFontMapClass:
* @parent_class: parent #GObjectClass.
* @load_font: a function to load a font with a given description. See
* pango_font_map_load_font().
* @list_families: A function to list available font families. See
* pango_font_map_list_families().
* @load_fontset: a function to load a fontset with a given given description
* suitable for a particular language. See pango_font_map_load_fontset().
* @shape_engine_type: the type of rendering-system-dependent engines that
* can handle fonts of this fonts loaded with this fontmap.
* @get_serial: a function to get the serial number of the fontmap.
* See pango_font_map_get_serial().
* @changed: See pango_font_map_changed()
*
* The #PangoFontMapClass structure holds the virtual functions for
* a particular #PangoFontMap implementation.
*/
struct _PangoFontMapClass
{
GObjectClass parent_class;
/*< public >*/
PangoFont * (*load_font) (PangoFontMap *fontmap,
PangoContext *context,
const PangoFontDescription *desc);
void (*list_families) (PangoFontMap *fontmap,
PangoFontFamily ***families,
int *n_families);
PangoFontset *(*load_fontset) (PangoFontMap *fontmap,
PangoContext *context,
const PangoFontDescription *desc,
PangoLanguage *language);
const char *shape_engine_type;
guint (*get_serial) (PangoFontMap *fontmap);
void (*changed) (PangoFontMap *fontmap);
/*< private >*/
/* Padding for future expansion */
void (*_pango_reserved1) (void);
void (*_pango_reserved2) (void);
};
PANGO_DEPRECATED_IN_1_38
const char *pango_font_map_get_shape_engine_type (PangoFontMap *fontmap);
#endif /* PANGO_ENABLE_BACKEND */
G_END_DECLS
#endif /* __PANGO_FONTMAP_H__ */
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