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