02b69e4d76
GCC has some optimization for the inclusion guard, but they only work if the check is the outermost one. We're fairly inconsistent because of historical reasons, so we should ensure that we follow the same pattern in every public header.
115 lines
4.0 KiB
C
115 lines
4.0 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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* Lionel Landwerlin <lionel.g.landwerlin@linux.intel.com>
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*/
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#ifndef __CLUTTER_ZOOM_ACTION_H__
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#define __CLUTTER_ZOOM_ACTION_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-event.h>
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#include <clutter/clutter-gesture-action.h>
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#include <clutter/clutter-types.h>
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G_BEGIN_DECLS
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#define CLUTTER_TYPE_ZOOM_ACTION (clutter_zoom_action_get_type ())
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#define CLUTTER_ZOOM_ACTION(obj) (G_TYPE_CHECK_INSTANCE_CAST ((obj), CLUTTER_TYPE_ZOOM_ACTION, ClutterZoomAction))
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#define CLUTTER_IS_ZOOM_ACTION(obj) (G_TYPE_CHECK_INSTANCE_TYPE ((obj), CLUTTER_TYPE_ZOOM_ACTION))
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#define CLUTTER_ZOOM_ACTION_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST ((klass), CLUTTER_TYPE_ZOOM_ACTION, ClutterZoomActionClass))
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#define CLUTTER_IS_ZOOM_ACTION_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE ((klass), CLUTTER_TYPE_ZOOM_ACTION))
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#define CLUTTER_ZOOM_ACTION_GET_CLASS(obj) (G_TYPE_INSTANCE_GET_CLASS ((obj), CLUTTER_TYPE_ZOOM_ACTION, ClutterZoomActionClass))
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typedef struct _ClutterZoomAction ClutterZoomAction;
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typedef struct _ClutterZoomActionPrivate ClutterZoomActionPrivate;
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typedef struct _ClutterZoomActionClass ClutterZoomActionClass;
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/**
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* ClutterZoomAction:
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*
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* The #ClutterZoomAction structure contains only
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* private data and should be accessed using the provided API
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*
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* Since: 1.12
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*/
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struct _ClutterZoomAction
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{
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/*< private >*/
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ClutterGestureAction parent_instance;
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ClutterZoomActionPrivate *priv;
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};
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/**
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* ClutterZoomActionClass:
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* @zoom: class handler of the #ClutterZoomAction::zoom signal
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*
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* The #ClutterZoomActionClass structure contains
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* only private data
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*
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* Since: 1.12
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*/
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struct _ClutterZoomActionClass
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{
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/*< private >*/
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ClutterGestureActionClass parent_class;
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/*< public >*/
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gboolean (* zoom) (ClutterZoomAction *action,
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ClutterActor *actor,
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ClutterPoint *focal_point,
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gdouble factor);
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/*< private >*/
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void (* _clutter_zoom_action1) (void);
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void (* _clutter_zoom_action2) (void);
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void (* _clutter_zoom_action3) (void);
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void (* _clutter_zoom_action4) (void);
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void (* _clutter_zoom_action5) (void);
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};
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CLUTTER_AVAILABLE_IN_1_12
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GType clutter_zoom_action_get_type (void) G_GNUC_CONST;
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CLUTTER_AVAILABLE_IN_1_12
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ClutterAction * clutter_zoom_action_new (void);
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CLUTTER_AVAILABLE_IN_1_12
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void clutter_zoom_action_set_zoom_axis (ClutterZoomAction *action,
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ClutterZoomAxis axis);
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CLUTTER_AVAILABLE_IN_1_12
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ClutterZoomAxis clutter_zoom_action_get_zoom_axis (ClutterZoomAction *action);
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CLUTTER_AVAILABLE_IN_1_12
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void clutter_zoom_action_get_focal_point (ClutterZoomAction *action,
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ClutterPoint *point);
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CLUTTER_AVAILABLE_IN_1_12
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void clutter_zoom_action_get_transformed_focal_point (ClutterZoomAction *action,
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ClutterPoint *point);
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G_END_DECLS
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#endif /* __CLUTTER_ZOOM_ACTION_H__ */
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