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In situations when the default backend would fail (for example when compiled with X11 support but run without DISPLAY), or when the application is using backend specific code, it makes sense to let the application choose the backend explicitly. https://bugzilla.gnome.org/show_bug.cgi?id=707869
78 lines
2.6 KiB
C
78 lines
2.6 KiB
C
/*
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* Clutter.
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*
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* An OpenGL based 'interactive canvas' library.
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*
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* Authored By Matthew Allum <mallum@openedhand.com>
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*
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* Copyright (C) 2006 OpenedHand
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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 Lesser 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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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library. If not, see <http://www.gnu.org/licenses/>.
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*/
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#if !defined(__CLUTTER_H_INSIDE__) && !defined(CLUTTER_COMPILATION)
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#error "Only <clutter/clutter.h> can be included directly."
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#endif
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#ifndef __CLUTTER_BACKEND_H__
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#define __CLUTTER_BACKEND_H__
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#include <cairo.h>
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#include <pango/pango.h>
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#ifdef COGL_ENABLE_EXPERIMENTAL_API
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#include <cogl/cogl.h>
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#endif
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#include <clutter/clutter-config.h>
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#include <clutter/clutter-types.h>
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G_BEGIN_DECLS
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#define CLUTTER_TYPE_BACKEND (clutter_backend_get_type ())
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#define CLUTTER_BACKEND(obj) (G_TYPE_CHECK_INSTANCE_CAST ((obj), CLUTTER_TYPE_BACKEND, ClutterBackend))
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#define CLUTTER_IS_BACKEND(obj) (G_TYPE_CHECK_INSTANCE_TYPE ((obj), CLUTTER_TYPE_BACKEND))
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/**
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* ClutterBackend:
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*
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* <structname>ClutterBackend</structname> is an opaque structure whose
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* members cannot be directly accessed.
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*
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* Since: 0.4
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*/
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typedef struct _ClutterBackend ClutterBackend;
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typedef struct _ClutterBackendClass ClutterBackendClass;
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GType clutter_backend_get_type (void) G_GNUC_CONST;
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ClutterBackend *clutter_get_default_backend (void);
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CLUTTER_AVAILABLE_IN_1_16
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void clutter_set_windowing_backend (const char *backend_type);
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gdouble clutter_backend_get_resolution (ClutterBackend *backend);
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void clutter_backend_set_font_options (ClutterBackend *backend,
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const cairo_font_options_t *options);
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const cairo_font_options_t *clutter_backend_get_font_options (ClutterBackend *backend);
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#if defined (COGL_ENABLE_EXPERIMENTAL_API) && defined (CLUTTER_ENABLE_EXPERIMENTAL_API)
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CoglContext *clutter_backend_get_cogl_context (ClutterBackend *backend);
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#endif
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G_END_DECLS
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#endif /* __CLUTTER_BACKEND_H__ */
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