mutter/clutter/clutter-canvas.h
Emmanuele Bassi 755f41f559 canvas: Remove invalidate_with_size()
We can replace it by adding a return value to set_size() that can tell
us if the set_size() invalidated the contents of the canvas or not.
2013-05-15 20:08:02 +01:00

102 lines
3.1 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_CANVAS_H__
#define __CLUTTER_CANVAS_H__
#include <clutter/clutter-types.h>
G_BEGIN_DECLS
#define CLUTTER_TYPE_CANVAS (clutter_canvas_get_type ())
#define CLUTTER_CANVAS(obj) (G_TYPE_CHECK_INSTANCE_CAST ((obj), CLUTTER_TYPE_CANVAS, ClutterCanvas))
#define CLUTTER_IS_CANVAS(obj) (G_TYPE_CHECK_INSTANCE_TYPE ((obj), CLUTTER_TYPE_CANVAS))
#define CLUTTER_CANVAS_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST ((klass), CLUTTER_TYPE_CANVAS, ClutterCanvasClass))
#define CLUTTER_IS_CANVAS_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE ((klass), CLUTTER_TYPE_CANVAS))
#define CLUTTER_CANVAS_GET_CLASS(obj) (G_TYPE_INSTANCE_GET_CLASS ((obj), CLUTTER_TYPE_CANVAS, ClutterCanvasClass))
typedef struct _ClutterCanvas ClutterCanvas;
typedef struct _ClutterCanvasPrivate ClutterCanvasPrivate;
typedef struct _ClutterCanvasClass ClutterCanvasClass;
/**
* ClutterCanvas:
*
* The <structname>ClutterCanvas</structname> structure contains
* private data and should only be accessed using the provided
* API.
*
* Since: 1.10
*/
struct _ClutterCanvas
{
/*< private >*/
GObject parent_instance;
ClutterCanvasPrivate *priv;
};
/**
* ClutterCanvasClass:
* @draw: class handler for the #ClutterCanvas::draw signal
*
* The <structname>ClutterCanvasClass</structname> structure contains
* private data.
*
* Since: 1.10
*/
struct _ClutterCanvasClass
{
/*< private >*/
GObjectClass parent_class;
/*< public >*/
gboolean (* draw) (ClutterCanvas *canvas,
cairo_t *cr,
int width,
int height);
/*< private >*/
gpointer _padding[16];
};
CLUTTER_AVAILABLE_IN_1_10
GType clutter_canvas_get_type (void) G_GNUC_CONST;
CLUTTER_AVAILABLE_IN_1_10
ClutterContent * clutter_canvas_new (void);
CLUTTER_AVAILABLE_IN_1_10
gboolean clutter_canvas_set_size (ClutterCanvas *canvas,
int width,
int height);
G_END_DECLS
#endif /* __CLUTTER_CANVAS_H__ */