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/*
* Clutter.
*
* An OpenGL based 'interactive canvas' library.
*
* Copyright (C) 2010 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/>.
*/
#pragma once
#ifdef HAVE_FONTS
#include <cairo.h>
#endif
#include "clutter/clutter-backend.h"
#include "clutter/clutter-seat.h"
#include "clutter/clutter-stage-window.h"
#include "clutter/clutter-stage.h"
#define CLUTTER_BACKEND_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST ((klass), CLUTTER_TYPE_BACKEND, ClutterBackendClass))
#define CLUTTER_IS_BACKEND_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE ((klass), CLUTTER_TYPE_BACKEND))
#define CLUTTER_BACKEND_GET_CLASS(obj) (G_TYPE_INSTANCE_GET_CLASS ((obj), CLUTTER_TYPE_BACKEND, ClutterBackendClass))
G_BEGIN_DECLS
typedef struct _ClutterBackendPrivate ClutterBackendPrivate;
struct _ClutterBackend
{
/*< private >*/
GObject parent_instance;
ClutterContext *context;
CoglRenderer *cogl_renderer;
CoglDisplay *cogl_display;
CoglContext *cogl_context;
GSource *cogl_source;
CoglOnscreen *dummy_onscreen;
#ifdef HAVE_FONTS
cairo_font_options_t *font_options;
#endif
float fallback_resource_scale;
ClutterStageWindow *stage_window;
ClutterInputMethod *input_method;
};
struct _ClutterBackendClass
{
/*< private >*/
GObjectClass parent_class;
/* vfuncs */
ClutterStageWindow * (* create_stage) (ClutterBackend *backend,
ClutterStage *wrapper,
GError **error);
CoglRenderer * (* get_renderer) (ClutterBackend *backend,
GError **error);
gboolean (* create_context) (ClutterBackend *backend,
GError **error);
ClutterSeat * (* get_default_seat) (ClutterBackend *backend);
gboolean (* is_display_server) (ClutterBackend *backend);
ClutterSprite * (* get_sprite) (ClutterBackend *backend,
ClutterStage *stage,
const ClutterEvent *for_event);
ClutterSprite * (* lookup_sprite) (ClutterBackend *backend,
ClutterStage *stage,
ClutterInputDevice *device,
ClutterEventSequence *sequence);
ClutterSprite * (* get_pointer_sprite) (ClutterBackend *backend,
ClutterStage *stage);
void (* destroy_sprite) (ClutterBackend *backend,
ClutterSprite *sprite);
gboolean (* foreach_sprite) (ClutterBackend *backend,
ClutterStage *stage,
ClutterStageInputForeachFunc func,
gpointer user_data);
ClutterKeyFocus * (* get_key_focus) (ClutterBackend *backend,
ClutterStage *stage);
ClutterCursor * (* get_cursor) (ClutterBackend *backend,
ClutterCursorType cursor_type);
/* signals */
void (* resolution_changed) (ClutterBackend *backend);
};
ClutterStageWindow * _clutter_backend_create_stage (ClutterBackend *backend,
ClutterStage *wrapper,
GError **error);
gboolean _clutter_backend_create_context (ClutterBackend *backend,
GError **error);
CLUTTER_EXPORT
ClutterStageWindow * clutter_backend_get_stage_window (ClutterBackend *backend);
CLUTTER_EXPORT
void clutter_backend_set_fallback_resource_scale (ClutterBackend *backend,
float fallback_resource_scale);
float clutter_backend_get_fallback_resource_scale (ClutterBackend *backend);
gboolean clutter_backend_is_display_server (ClutterBackend *backend);
gboolean clutter_backend_foreach_sprite (ClutterBackend *backend,
ClutterStage *stage,
ClutterStageInputForeachFunc func,
gpointer user_data);
CLUTTER_EXPORT
ClutterCursor * clutter_backend_get_cursor (ClutterBackend *backend,
ClutterCursorType cursor_type);
CLUTTER_EXPORT
void clutter_backend_destroy (ClutterBackend *backend);
G_END_DECLS
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