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ClutterPathConstraint is a simple Constraint implementation that modifies the allocation of the Actor to which is has been applied using a progress value and a ClutterPath.
66 lines
2.5 KiB
C
66 lines
2.5 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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* Copyright (C) 2010 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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* Author:
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* Emmanuele Bassi <ebassi@linux.intel.com>
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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_CONSTRAINT_H__
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#define __CLUTTER_PATH_CONSTRAINT_H__
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#include <clutter/clutter-constraint.h>
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#include <clutter/clutter-path.h>
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G_BEGIN_DECLS
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#define CLUTTER_TYPE_PATH_CONSTRAINT (clutter_path_constraint_get_type ())
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#define CLUTTER_PATH_CONSTRAINT(obj) (G_TYPE_CHECK_INSTANCE_CAST ((obj), CLUTTER_TYPE_PATH_CONSTRAINT, ClutterPathConstraint))
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#define CLUTTER_IS_PATH_CONSTRAINT(obj) (G_TYPE_CHECK_INSTANCE_TYPE ((obj), CLUTTER_TYPE_PATH_CONSTRAINT))
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/**
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* ClutterPathConstraint:
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*
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* <structname>ClutterPathConstraint</structname> is an opaque structure
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* whose members cannot be directly accessed
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*
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* Since: 1.4
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*/
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typedef struct _ClutterPathConstraint ClutterPathConstraint;
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GType clutter_path_constraint_get_type (void) G_GNUC_CONST;
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ClutterConstraint *clutter_path_constraint_new (ClutterPath *path,
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gfloat offset);
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void clutter_path_constraint_set_path (ClutterPathConstraint *constraint,
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ClutterPath *path);
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ClutterPath * clutter_path_constraint_get_path (ClutterPathConstraint *constraint);
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void clutter_path_constraint_set_offset (ClutterPathConstraint *constraint,
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gfloat offset);
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gfloat clutter_path_constraint_get_offset (ClutterPathConstraint *constraint);
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G_END_DECLS
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#endif /* __CLUTTER_PATH_CONSTRAINT_H__ */
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