mutter/clutter/clutter-content.h
2012-03-16 12:33:37 +00:00

101 lines
3.6 KiB
C

/*
* Clutter.
*
* An OpenGL based 'interactive canvas' library.
*
* Copyright (C) 2012 Intel Corporation.
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser 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
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library. If not, see <http://www.gnu.org/licenses/>.
*
* Author:
* Emmanuele Bassi <ebassi@linux.intel.com>
*/
#if !defined(__CLUTTER_H_INSIDE__) && !defined(CLUTTER_COMPILATION)
#error "Only <clutter/clutter.h> can be included directly."
#endif
#ifndef __CLUTTER_CONTENT_H__
#define __CLUTTER_CONTENT_H__
#include <clutter/clutter-types.h>
G_BEGIN_DECLS
#define CLUTTER_TYPE_CONTENT (clutter_content_get_type ())
#define CLUTTER_CONTENT(obj) (G_TYPE_CHECK_INSTANCE_CAST ((obj), CLUTTER_TYPE_CONTENT, ClutterContent))
#define CLUTTER_IS_CONTENT(obj) (G_TYPE_CHECK_INSTANCE_TYPE ((obj), CLUTTER_TYPE_CONTENT))
#define CLUTTER_CONTENT_GET_IFACE(obj) (G_TYPE_INSTANCE_GET_INTERFACE ((obj), CLUTTER_TYPE_CONTENT, ClutterContentIface))
typedef struct _ClutterContentIface ClutterContentIface;
/**
* ClutterContent:
*
* The <structname>ClutterContent</structname> structure is an opaque type
* whose members cannot be acccessed directly.
*
* Since: 1.10
*/
/**
* ClutterContentIface:
* @get_preferred_size: virtual function; should be overridden by subclasses
* of #ClutterContent that have a natural size
* @paint_content: virtual function; called each time the content needs to
* paint itself
* @attached: virtual function; called each time a #ClutterContent is attached
* to a #ClutterActor.
* @detached: virtual function; called each time a #ClutterContent is detached
* from a #ClutterActor.
* @invalidate: virtual function; called each time a #ClutterContent state
* is changed.
*
* The <structname>ClutterContentIface</structname> structure contains only
* private data.
*
* Since: 1.10
*/
struct _ClutterContentIface
{
/*< private >*/
GTypeInterface g_iface;
/*< public >*/
gboolean (* get_preferred_size) (ClutterContent *content,
gfloat *width,
gfloat *height);
void (* paint_content) (ClutterContent *content,
ClutterActor *actor,
ClutterPaintNode *node);
void (* attached) (ClutterContent *content,
ClutterActor *actor);
void (* detached) (ClutterContent *content,
ClutterActor *actor);
void (* invalidate) (ClutterContent *content);
};
GType clutter_content_get_type (void) G_GNUC_CONST;
gboolean clutter_content_get_preferred_size (ClutterContent *content,
gfloat *width,
gfloat *height);
void clutter_content_invalidate (ClutterContent *content);
G_END_DECLS
#endif /* __CLUTTER_CONTENT_H__ */