clutter/clutter/clutter-path.h

182 lines
7.9 KiB
C

/*
* Clutter.
*
* An OpenGL based 'interactive canvas' library.
*
* Authored By Matthew Allum <mallum@openedhand.com>
*
* Copyright (C) 2008 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/>.
*/
#if !defined(__CLUTTER_H_INSIDE__) && !defined(CLUTTER_COMPILATION)
#error "Only <clutter/clutter.h> can be included directly."
#endif
#ifndef __CLUTTER_PATH_H__
#define __CLUTTER_PATH_H__
#include <cairo.h>
#include <clutter/clutter-types.h>
G_BEGIN_DECLS
#define CLUTTER_TYPE_PATH (clutter_path_get_type ())
#define CLUTTER_TYPE_PATH_NODE (clutter_path_node_get_type ())
#define CLUTTER_PATH(obj) (G_TYPE_CHECK_INSTANCE_CAST ((obj), CLUTTER_TYPE_PATH, ClutterPath))
#define CLUTTER_PATH_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST ((klass), CLUTTER_TYPE_PATH, ClutterPathClass))
#define CLUTTER_IS_PATH(obj) (G_TYPE_CHECK_INSTANCE_TYPE ((obj), CLUTTER_TYPE_PATH))
#define CLUTTER_IS_PATH_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE ((klass), CLUTTER_TYPE_PATH))
#define CLUTTER_PATH_GET_CLASS(obj) (G_TYPE_INSTANCE_GET_CLASS ((obj), CLUTTER_TYPE_PATH, ClutterPathClass))
typedef struct _ClutterPathClass ClutterPathClass;
typedef struct _ClutterPathPrivate ClutterPathPrivate;
/**
* ClutterPathCallback:
* @node: the node
* @data: (closure): optional data passed to the function
*
* This function is passed to clutter_path_foreach() and will be
* called for each node contained in the path.
*
* Since: 1.0
*/
typedef void (* ClutterPathCallback) (const ClutterPathNode *node,
gpointer data);
/**
* ClutterPath:
*
* The #ClutterPath struct contains only private data and should
* be accessed with the functions below.
*
* Since: 1.0
*/
struct _ClutterPath
{
/*< private >*/
GInitiallyUnowned parent;
ClutterPathPrivate *priv;
};
/**
* ClutterPathClass:
*
* The #ClutterPathClass struct contains only private data.
*
* Since: 1.0
*/
struct _ClutterPathClass
{
/*< private >*/
GInitiallyUnownedClass parent_class;
};
CLUTTER_AVAILABLE_IN_1_0
GType clutter_path_get_type (void) G_GNUC_CONST;
CLUTTER_AVAILABLE_IN_1_0
ClutterPath *clutter_path_new (void);
CLUTTER_AVAILABLE_IN_1_0
ClutterPath *clutter_path_new_with_description (const gchar *desc);
CLUTTER_AVAILABLE_IN_1_0
void clutter_path_add_move_to (ClutterPath *path,
gint x,
gint y);
CLUTTER_AVAILABLE_IN_1_0
void clutter_path_add_rel_move_to (ClutterPath *path,
gint x,
gint y);
CLUTTER_AVAILABLE_IN_1_0
void clutter_path_add_line_to (ClutterPath *path,
gint x,
gint y);
CLUTTER_AVAILABLE_IN_1_0
void clutter_path_add_rel_line_to (ClutterPath *path,
gint x,
gint y);
CLUTTER_AVAILABLE_IN_1_0
void clutter_path_add_curve_to (ClutterPath *path,
gint x_1,
gint y_1,
gint x_2,
gint y_2,
gint x_3,
gint y_3);
CLUTTER_AVAILABLE_IN_1_0
void clutter_path_add_rel_curve_to (ClutterPath *path,
gint x_1,
gint y_1,
gint x_2,
gint y_2,
gint x_3,
gint y_3);
CLUTTER_AVAILABLE_IN_1_0
void clutter_path_add_close (ClutterPath *path);
CLUTTER_AVAILABLE_IN_1_0
gboolean clutter_path_add_string (ClutterPath *path,
const gchar *str);
CLUTTER_AVAILABLE_IN_1_0
void clutter_path_add_node (ClutterPath *path,
const ClutterPathNode *node);
CLUTTER_AVAILABLE_IN_1_0
void clutter_path_add_cairo_path (ClutterPath *path,
const cairo_path_t *cpath);
CLUTTER_AVAILABLE_IN_1_0
guint clutter_path_get_n_nodes (ClutterPath *path);
CLUTTER_AVAILABLE_IN_1_0
void clutter_path_get_node (ClutterPath *path,
guint index_,
ClutterPathNode *node);
CLUTTER_AVAILABLE_IN_1_0
GSList * clutter_path_get_nodes (ClutterPath *path);
CLUTTER_AVAILABLE_IN_1_0
void clutter_path_foreach (ClutterPath *path,
ClutterPathCallback callback,
gpointer user_data);
CLUTTER_AVAILABLE_IN_1_0
void clutter_path_insert_node (ClutterPath *path,
gint index_,
const ClutterPathNode *node);
CLUTTER_AVAILABLE_IN_1_0
void clutter_path_remove_node (ClutterPath *path,
guint index_);
CLUTTER_AVAILABLE_IN_1_0
void clutter_path_replace_node (ClutterPath *path,
guint index_,
const ClutterPathNode *node);
CLUTTER_AVAILABLE_IN_1_0
gchar * clutter_path_get_description (ClutterPath *path);
CLUTTER_AVAILABLE_IN_1_0
gboolean clutter_path_set_description (ClutterPath *path,
const gchar *str);
CLUTTER_AVAILABLE_IN_1_0
void clutter_path_clear (ClutterPath *path);
CLUTTER_AVAILABLE_IN_1_0
void clutter_path_to_cairo_path (ClutterPath *path,
cairo_t *cr);
CLUTTER_AVAILABLE_IN_1_0
guint clutter_path_get_position (ClutterPath *path,
gdouble progress,
ClutterKnot *position);
CLUTTER_AVAILABLE_IN_1_0
guint clutter_path_get_length (ClutterPath *path);
G_END_DECLS
#endif /* __CLUTTER_PATH_H__ */