WIP - add extractor, generate snippet_data
This commit is contained in:
Stefan Fejes
329
node_modules/sharp/vendor/include/pango/pangofc-fontmap.h
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329
node_modules/sharp/vendor/include/pango/pangofc-fontmap.h
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/* Pango
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* pangofc-fontmap.h: Base fontmap type for fontconfig-based backends
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*
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* Copyright (C) 2003 Red Hat Software
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Library General Public
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* License as published by the Free Software Foundation; either
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* version 2 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Library General Public License for more details.
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*
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* You should have received a copy of the GNU Library General Public
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* License along with this library; if not, write to the
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* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
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* Boston, MA 02111-1307, USA.
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*/
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#ifndef __PANGO_FC_FONT_MAP_H__
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#define __PANGO_FC_FONT_MAP_H__
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#include <pango/pango.h>
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#include <fontconfig/fontconfig.h>
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#include <pango/pangofc-decoder.h>
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#include <pango/pangofc-font.h>
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G_BEGIN_DECLS
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#ifdef PANGO_ENABLE_BACKEND
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/**
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* PangoFcFontsetKey:
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*
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* An opaque structure containing all the information needed for
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* loading a fontset with the PangoFc fontmap.
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*
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* Since: 1.24
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**/
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typedef struct _PangoFcFontsetKey PangoFcFontsetKey;
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PANGO_AVAILABLE_IN_1_24
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PangoLanguage *pango_fc_fontset_key_get_language (const PangoFcFontsetKey *key);
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PANGO_AVAILABLE_IN_1_24
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const PangoFontDescription *pango_fc_fontset_key_get_description (const PangoFcFontsetKey *key);
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PANGO_AVAILABLE_IN_1_24
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const PangoMatrix *pango_fc_fontset_key_get_matrix (const PangoFcFontsetKey *key);
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PANGO_AVAILABLE_IN_1_24
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double pango_fc_fontset_key_get_absolute_size (const PangoFcFontsetKey *key);
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PANGO_AVAILABLE_IN_1_24
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double pango_fc_fontset_key_get_resolution (const PangoFcFontsetKey *key);
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PANGO_AVAILABLE_IN_1_24
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gpointer pango_fc_fontset_key_get_context_key (const PangoFcFontsetKey *key);
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/**
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* PangoFcFontKey:
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*
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* An opaque structure containing all the information needed for
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* loading a font with the PangoFc fontmap.
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*
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* Since: 1.24
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**/
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typedef struct _PangoFcFontKey PangoFcFontKey;
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PANGO_AVAILABLE_IN_1_24
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const FcPattern *pango_fc_font_key_get_pattern (const PangoFcFontKey *key);
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PANGO_AVAILABLE_IN_1_24
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const PangoMatrix *pango_fc_font_key_get_matrix (const PangoFcFontKey *key);
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PANGO_AVAILABLE_IN_1_24
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gpointer pango_fc_font_key_get_context_key (const PangoFcFontKey *key);
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PANGO_AVAILABLE_IN_1_40
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const char *pango_fc_font_key_get_variations (const PangoFcFontKey *key);
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#endif
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/*
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* PangoFcFontMap
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*/
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#define PANGO_TYPE_FC_FONT_MAP (pango_fc_font_map_get_type ())
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#define PANGO_FC_FONT_MAP(object) (G_TYPE_CHECK_INSTANCE_CAST ((object), PANGO_TYPE_FC_FONT_MAP, PangoFcFontMap))
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#define PANGO_IS_FC_FONT_MAP(object) (G_TYPE_CHECK_INSTANCE_TYPE ((object), PANGO_TYPE_FC_FONT_MAP))
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typedef struct _PangoFcFontMap PangoFcFontMap;
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typedef struct _PangoFcFontMapClass PangoFcFontMapClass;
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typedef struct _PangoFcFontMapPrivate PangoFcFontMapPrivate;
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#ifdef PANGO_ENABLE_BACKEND
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#define PANGO_FC_FONT_MAP_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST ((klass), PANGO_TYPE_FC_FONT_MAP, PangoFcFontMapClass))
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#define PANGO_IS_FC_FONT_MAP_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE ((klass), PANGO_TYPE_FC_FONT_MAP))
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#define PANGO_FC_FONT_MAP_GET_CLASS(obj) (G_TYPE_INSTANCE_GET_CLASS ((obj), PANGO_TYPE_FC_FONT_MAP, PangoFcFontMapClass))
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/**
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* PangoFcFontMap:
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*
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* #PangoFcFontMap is a base class for font map implementations
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* using the Fontconfig and FreeType libraries. To create a new
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* backend using Fontconfig and FreeType, you derive from this class
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* and implement a new_font() virtual function that creates an
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* instance deriving from #PangoFcFont.
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**/
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struct _PangoFcFontMap
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{
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PangoFontMap parent_instance;
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PangoFcFontMapPrivate *priv;
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};
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/**
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* PangoFcFontMapClass:
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* @default_substitute: (nullable): Substitutes in default
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* values for unspecified fields in a #FcPattern. This will
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* be called prior to creating a font for the pattern. May be
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* %NULL. Deprecated in favor of @font_key_substitute().
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* @new_font: Creates a new #PangoFcFont for the specified
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* pattern of the appropriate type for this font map. The
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* @pattern argument must be passed to the "pattern" property
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* of #PangoFcFont when you call g_object_new(). Deprecated
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* in favor of @create_font().
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* @get_resolution: Gets the resolution (the scale factor
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* between logical and absolute font sizes) that the backend
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* will use for a particular fontmap and context. @context
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* may be null.
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* @context_key_get: Gets an opaque key holding backend
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* specific options for the context that will affect
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* fonts created by @create_font(). The result must point to
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* persistant storage owned by the fontmap. This key
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* is used to index hash tables used to look up fontsets
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* and fonts.
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* @context_key_copy: Copies a context key. Pango uses this
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* to make a persistant copy of the value returned from
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* @context_key_get.
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* @context_key_free: Frees a context key copied with
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* @context_key_copy.
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* @context_key_hash: Gets a hash value for a context key
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* @context_key_equal: Compares two context keys for equality.
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* @fontset_key_substitute: (nullable): Substitutes in
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* default values for unspecified fields in a
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* #FcPattern. This will be called prior to creating a font
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* for the pattern. May be %NULL. (Since: 1.24)
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* @create_font: (nullable): Creates a new #PangoFcFont for
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* the specified pattern of the appropriate type for this
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* font map using information from the font key that is
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* passed in. The @pattern member of @font_key can be
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* retrieved using pango_fc_font_key_get_pattern() and must
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* be passed to the "pattern" property of #PangoFcFont when
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* you call g_object_new(). If %NULL, new_font() is used.
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* (Since: 1.24)
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*
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* Class structure for #PangoFcFontMap.
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**/
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struct _PangoFcFontMapClass
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{
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/*< private >*/
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PangoFontMapClass parent_class;
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/*< public >*/
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/* Deprecated in favor of fontset_key_substitute */
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void (*default_substitute) (PangoFcFontMap *fontmap,
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FcPattern *pattern);
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/* Deprecated in favor of create_font */
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PangoFcFont *(*new_font) (PangoFcFontMap *fontmap,
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FcPattern *pattern);
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double (*get_resolution) (PangoFcFontMap *fcfontmap,
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PangoContext *context);
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gconstpointer (*context_key_get) (PangoFcFontMap *fcfontmap,
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PangoContext *context);
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gpointer (*context_key_copy) (PangoFcFontMap *fcfontmap,
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gconstpointer key);
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void (*context_key_free) (PangoFcFontMap *fcfontmap,
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gpointer key);
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guint32 (*context_key_hash) (PangoFcFontMap *fcfontmap,
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gconstpointer key);
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gboolean (*context_key_equal) (PangoFcFontMap *fcfontmap,
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gconstpointer key_a,
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gconstpointer key_b);
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void (*fontset_key_substitute)(PangoFcFontMap *fontmap,
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PangoFcFontsetKey *fontsetkey,
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FcPattern *pattern);
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PangoFcFont *(*create_font) (PangoFcFontMap *fontmap,
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PangoFcFontKey *fontkey);
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/*< private >*/
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/* Padding for future expansion */
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void (*_pango_reserved1) (void);
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void (*_pango_reserved2) (void);
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void (*_pango_reserved3) (void);
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void (*_pango_reserved4) (void);
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};
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#ifndef PANGO_DISABLE_DEPRECATED
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PANGO_DEPRECATED_IN_1_22_FOR(pango_font_map_create_context)
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PangoContext * pango_fc_font_map_create_context (PangoFcFontMap *fcfontmap);
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#endif
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PANGO_AVAILABLE_IN_1_4
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void pango_fc_font_map_shutdown (PangoFcFontMap *fcfontmap);
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#endif
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PANGO_AVAILABLE_IN_ALL
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GType pango_fc_font_map_get_type (void) G_GNUC_CONST;
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PANGO_AVAILABLE_IN_1_4
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void pango_fc_font_map_cache_clear (PangoFcFontMap *fcfontmap);
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PANGO_AVAILABLE_IN_1_38
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void
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pango_fc_font_map_config_changed (PangoFcFontMap *fcfontmap);
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PANGO_AVAILABLE_IN_1_38
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void
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pango_fc_font_map_set_config (PangoFcFontMap *fcfontmap,
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FcConfig *fcconfig);
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PANGO_AVAILABLE_IN_1_38
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FcConfig *
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pango_fc_font_map_get_config (PangoFcFontMap *fcfontmap);
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/**
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* PangoFcDecoderFindFunc:
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* @pattern: a fully resolved #FcPattern specifying the font on the system
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* @user_data: user data passed to pango_fc_font_map_add_decoder_find_func()
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*
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* Callback function passed to pango_fc_font_map_add_decoder_find_func().
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*
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* Return value: a new reference to a custom decoder for this pattern,
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* or %NULL if the default decoder handling should be used.
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**/
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typedef PangoFcDecoder * (*PangoFcDecoderFindFunc) (FcPattern *pattern,
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gpointer user_data);
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PANGO_AVAILABLE_IN_1_6
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void pango_fc_font_map_add_decoder_find_func (PangoFcFontMap *fcfontmap,
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PangoFcDecoderFindFunc findfunc,
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gpointer user_data,
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GDestroyNotify dnotify);
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PANGO_AVAILABLE_IN_1_26
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PangoFcDecoder *pango_fc_font_map_find_decoder (PangoFcFontMap *fcfontmap,
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FcPattern *pattern);
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PANGO_AVAILABLE_IN_1_4
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PangoFontDescription *pango_fc_font_description_from_pattern (FcPattern *pattern,
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gboolean include_size);
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/**
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* PANGO_FC_GRAVITY:
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*
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* String representing a fontconfig property name that Pango sets on any
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* fontconfig pattern it passes to fontconfig if a #PangoGravity other
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* than %PANGO_GRAVITY_SOUTH is desired.
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*
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* The property will have a #PangoGravity value as a string, like "east".
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* This can be used to write fontconfig configuration rules to choose
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* different fonts for horizontal and vertical writing directions.
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*
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* Since: 1.20
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*/
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#define PANGO_FC_GRAVITY "pangogravity"
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/**
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* PANGO_FC_VERSION:
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*
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* String representing a fontconfig property name that Pango sets on any
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* fontconfig pattern it passes to fontconfig.
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*
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* The property will have an integer value equal to what
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* pango_version() returns.
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* This can be used to write fontconfig configuration rules that only affect
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* certain pango versions (or only pango-using applications, or only
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* non-pango-using applications).
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*
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* Since: 1.20
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*/
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#define PANGO_FC_VERSION "pangoversion"
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/**
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* PANGO_FC_PRGNAME:
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*
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* String representing a fontconfig property name that Pango sets on any
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* fontconfig pattern it passes to fontconfig.
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*
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* The property will have a string equal to what
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* g_get_prgname() returns.
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* This can be used to write fontconfig configuration rules that only affect
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* certain applications.
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*
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* This is equivalent to FC_PRGNAME in versions of fontconfig that have that.
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*
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* Since: 1.24
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*/
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#define PANGO_FC_PRGNAME "prgname"
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/**
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* PANGO_FC_FONT_FEATURES:
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*
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* String representing a fontconfig property name that Pango reads from font
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* patterns to populate list of OpenType features to be enabled for the font
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* by default.
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*
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* The property will have a number of string elements, each of which is the
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* OpenType feature tag of one feature to enable.
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*
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* This is equivalent to FC_FONT_FEATURES in versions of fontconfig that have that.
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*
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* Since: 1.34
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*/
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#define PANGO_FC_FONT_FEATURES "fontfeatures"
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/**
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* PANGO_FC_FONT_VARIATIONS:
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*
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* String representing a fontconfig property name that Pango reads from font
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* patterns to populate list of OpenType font variations to be used for a font.
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*
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* The property will have a string elements, each of which a comma-separated
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* list of OpenType axis setting of the form AXIS=VALUE.
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*/
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#define PANGO_FC_FONT_VARIATIONS "fontvariations"
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G_END_DECLS
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#endif /* __PANGO_FC_FONT_MAP_H__ */
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