clutter/clutter-path-constraint.h

   1 /*
   2  * Clutter.
   3  *
   4  * An OpenGL based 'interactive canvas' library.
   5  *
   6  * Copyright (C) 2010  Intel Corporation.
   7  *
   8  * This library is free software; you can redistribute it and/or
   9  * modify it under the terms of the GNU Lesser General Public
  10  * License as published by the Free Software Foundation; either
  11  * version 2 of the License, or (at your option) any later version.
  12  *
  13  * This library is distributed in the hope that it will be useful,
  14  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  15  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  16  * Lesser General Public License for more details.
  17  *
  18  * You should have received a copy of the GNU Lesser General Public
  19  * License along with this library. If not, see <http://www.gnu.org/licenses/>.
  20  *
  21  * Author:
  22  *   Emmanuele Bassi <ebassi@linux.intel.com>
  23  */
  24
  25 #if !defined(__CLUTTER_H_INSIDE__) && !defined(CLUTTER_COMPILATION)
  26 #error "Only <clutter/clutter.h> can be included directly."
  27 #endif
  28
  29 #ifndef __CLUTTER_PATH_CONSTRAINT_H__
  30 #define __CLUTTER_PATH_CONSTRAINT_H__
  31
  32 #include <clutter/clutter-constraint.h>
  33 #include <clutter/clutter-path.h>
  34
  35 G_BEGIN_DECLS
  36
  37 #define CLUTTER_TYPE_PATH_CONSTRAINT    (clutter_path_constraint_get_type ())
  38 #define CLUTTER_PATH_CONSTRAINT(obj)    (G_TYPE_CHECK_INSTANCE_CAST ((obj), CLUTTER_TYPE_PATH_CONSTRAINT, ClutterPathConstraint))
  39 #define CLUTTER_IS_PATH_CONSTRAINT(obj) (G_TYPE_CHECK_INSTANCE_TYPE ((obj), CLUTTER_TYPE_PATH_CONSTRAINT))
  40
  41 /**
  42  * ClutterPathConstraint:
  43  *
  44  * <structname>ClutterPathConstraint</structname> is an opaque structure
  45  * whose members cannot be directly accessed
  46  *
  47  * Since: 1.6
  48  */
  49 typedef struct _ClutterPathConstraint           ClutterPathConstraint;
  50 typedef struct _ClutterPathConstraintClass      ClutterPathConstraintClass;
  51
  52 GType clutter_path_constraint_get_type (void) G_GNUC_CONST;
  53
  54 ClutterConstraint *clutter_path_constraint_new        (ClutterPath           *path,
  55                                                        gfloat                 offset);
  56
  57 void               clutter_path_constraint_set_path   (ClutterPathConstraint *constraint,
  58                                                        ClutterPath           *path);
  59 ClutterPath *      clutter_path_constraint_get_path   (ClutterPathConstraint *constraint);
  60 void               clutter_path_constraint_set_offset (ClutterPathConstraint *constraint,
  61                                                        gfloat                 offset);
  62 gfloat             clutter_path_constraint_get_offset (ClutterPathConstraint *constraint);
  63
  64 G_END_DECLS
  65
  66 #endif /* __CLUTTER_PATH_CONSTRAINT_H__ */