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8249e48802
Instead of defining new symbols for the windowing systems enabled at
configure time, we can reuse the same symbols for both the compile time
and run time checks, e.g.:
#ifdef CLUTTER_WINDOWING_X11
if (clutter_check_windowing_backend (CLUTTER_WINDOWING_X11))
/* use the clutter_x11_* API */
else
#endif
#ifdef CLUTTER_WINDOWING_WIN32
if (clutter_check_windowing_backend (CLUTTER_WINDOWING_WIN32))
/* use the clutter_win32_* API */
#endif
This scheme allows us to ensure that the input system namespace is free
for us to use and select at run time in later versions of Clutter.
75 lines
2.5 KiB
C
75 lines
2.5 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_2_0_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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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_2_0_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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