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104 lines
3.6 KiB
C
104 lines
3.6 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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* Copyright (C) 2012 Intel Corporation.
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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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* Author:
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* Emmanuele Bassi <ebassi@linux.intel.com>
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*/
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#ifndef __CLUTTER_CONTENT_H__
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#define __CLUTTER_CONTENT_H__
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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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#include <clutter/clutter-types.h>
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G_BEGIN_DECLS
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#define CLUTTER_TYPE_CONTENT (clutter_content_get_type ())
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#define CLUTTER_CONTENT(obj) (G_TYPE_CHECK_INSTANCE_CAST ((obj), CLUTTER_TYPE_CONTENT, ClutterContent))
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#define CLUTTER_IS_CONTENT(obj) (G_TYPE_CHECK_INSTANCE_TYPE ((obj), CLUTTER_TYPE_CONTENT))
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#define CLUTTER_CONTENT_GET_IFACE(obj) (G_TYPE_INSTANCE_GET_INTERFACE ((obj), CLUTTER_TYPE_CONTENT, ClutterContentIface))
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typedef struct _ClutterContentIface ClutterContentIface;
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/**
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* ClutterContent:
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*
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* The #ClutterContent structure is an opaque type
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* whose members cannot be acccessed directly.
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*
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* Since: 1.10
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*/
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/**
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* ClutterContentIface:
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* @get_preferred_size: virtual function; should be overridden by subclasses
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* of #ClutterContent that have a natural size
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* @paint_content: virtual function; called each time the content needs to
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* paint itself
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* @attached: virtual function; called each time a #ClutterContent is attached
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* to a #ClutterActor.
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* @detached: virtual function; called each time a #ClutterContent is detached
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* from a #ClutterActor.
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* @invalidate: virtual function; called each time a #ClutterContent state
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* is changed.
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*
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* The #ClutterContentIface structure contains only
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* private data.
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*
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* Since: 1.10
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*/
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struct _ClutterContentIface
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{
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/*< private >*/
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GTypeInterface g_iface;
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/*< public >*/
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gboolean (* get_preferred_size) (ClutterContent *content,
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gfloat *width,
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gfloat *height);
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void (* paint_content) (ClutterContent *content,
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ClutterActor *actor,
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ClutterPaintNode *node);
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void (* attached) (ClutterContent *content,
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ClutterActor *actor);
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void (* detached) (ClutterContent *content,
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ClutterActor *actor);
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void (* invalidate) (ClutterContent *content);
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};
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CLUTTER_EXPORT
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GType clutter_content_get_type (void) G_GNUC_CONST;
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CLUTTER_EXPORT
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gboolean clutter_content_get_preferred_size (ClutterContent *content,
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gfloat *width,
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gfloat *height);
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CLUTTER_EXPORT
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void clutter_content_invalidate (ClutterContent *content);
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G_END_DECLS
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#endif /* __CLUTTER_CONTENT_H__ */
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