mutter/clutter/clutter-zoom-action.h

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/*
* 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:
* Lionel Landwerlin <lionel.g.landwerlin@linux.intel.com>
*/
#if !defined(__CLUTTER_H_INSIDE__) && !defined(CLUTTER_COMPILATION)
#error "Only <clutter/clutter.h> can be included directly."
#endif
#ifndef __CLUTTER_ZOOM_ACTION_H__
#define __CLUTTER_ZOOM_ACTION_H__
#include <clutter/clutter-event.h>
#include <clutter/clutter-gesture-action.h>
#include <clutter/clutter-types.h>
G_BEGIN_DECLS
#define CLUTTER_TYPE_ZOOM_ACTION (clutter_zoom_action_get_type ())
#define CLUTTER_ZOOM_ACTION(obj) (G_TYPE_CHECK_INSTANCE_CAST ((obj), CLUTTER_TYPE_ZOOM_ACTION, ClutterZoomAction))
#define CLUTTER_IS_ZOOM_ACTION(obj) (G_TYPE_CHECK_INSTANCE_TYPE ((obj), CLUTTER_TYPE_ZOOM_ACTION))
#define CLUTTER_ZOOM_ACTION_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST ((klass), CLUTTER_TYPE_ZOOM_ACTION, ClutterZoomActionClass))
#define CLUTTER_IS_ZOOM_ACTION_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE ((klass), CLUTTER_TYPE_ZOOM_ACTION))
#define CLUTTER_ZOOM_ACTION_GET_CLASS(obj) (G_TYPE_INSTANCE_GET_CLASS ((obj), CLUTTER_TYPE_ZOOM_ACTION, ClutterZoomActionClass))
typedef struct _ClutterZoomAction ClutterZoomAction;
typedef struct _ClutterZoomActionPrivate ClutterZoomActionPrivate;
typedef struct _ClutterZoomActionClass ClutterZoomActionClass;
/**
* ClutterZoomAction:
*
* The <structname>ClutterZoomAction</structname> structure contains only
* private data and should be accessed using the provided API
*
*
*/
struct _ClutterZoomAction
{
/*< private >*/
ClutterGestureAction parent_instance;
ClutterZoomActionPrivate *priv;
};
/**
* ClutterZoomActionClass:
* @zoom: class handler of the #ClutterZoomAction::zoom signal
*
* The <structname>ClutterZoomActionClass</structname> structure contains
* only private data
*
*
*/
struct _ClutterZoomActionClass
{
/*< private >*/
ClutterGestureActionClass parent_class;
/*< public >*/
gboolean (* zoom) (ClutterZoomAction *action,
ClutterActor *actor,
ClutterPoint *focal_point,
gdouble factor);
/*< private >*/
void (* _clutter_zoom_action1) (void);
void (* _clutter_zoom_action2) (void);
void (* _clutter_zoom_action3) (void);
void (* _clutter_zoom_action4) (void);
void (* _clutter_zoom_action5) (void);
};
GType clutter_zoom_action_get_type (void) G_GNUC_CONST;
ClutterAction * clutter_zoom_action_new (void);
void clutter_zoom_action_set_zoom_axis (ClutterZoomAction *action,
ClutterZoomAxis axis);
ClutterZoomAxis clutter_zoom_action_get_zoom_axis (ClutterZoomAction *action);
void clutter_zoom_action_get_focal_point (ClutterZoomAction *action,
ClutterPoint *point);
void clutter_zoom_action_get_transformed_focal_point (ClutterZoomAction *action,
ClutterPoint *point);
G_END_DECLS
#endif /* __CLUTTER_ZOOM_ACTION_H__ */