Release synfig_0_61_07_rc2

[synfig.git] / synfig-core / tags / synfig_0_61_07_rc2 / src / synfig / transform.h

diff --git a/synfig-core/tags/synfig_0_61_07_rc2/src/synfig/transform.h b/synfig-core/tags/synfig_0_61_07_rc2/src/synfig/transform.h
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+/* === S Y N F I G ========================================================= */
+/*!    \file transform.h
+**     \brief Template Header
+**
+**     $Id$
+**
+**     \legal
+**     Copyright (c) 2002-2005 Robert B. Quattlebaum Jr., Adrian Bentley
+**
+**     This package is free software; you can redistribute it and/or
+**     modify it under the terms of the GNU General Public License as
+**     published by the Free Software Foundation; either version 2 of
+**     the License, or (at your option) any later version.
+**
+**     This package 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
+**     General Public License for more details.
+**     \endlegal
+*/
+/* ========================================================================= */
+
+/* === S T A R T =========================================================== */
+
+#ifndef __SYNFIG_TRANSFORM_H
+#define __SYNFIG_TRANSFORM_H
+
+/* === H E A D E R S ======================================================= */
+
+#include <ETL/handle>
+#include "vector.h"
+#include <list>
+#include "rect.h"
+#include "guid.h"
+
+/* === M A C R O S ========================================================= */
+
+/* === T Y P E D E F S ===================================================== */
+
+/* === C L A S S E S & S T R U C T S ======================================= */
+
+namespace synfig {
+
+class Transform : public etl::shared_object
+{
+       GUID guid_;
+
+public:
+       typedef etl::handle<Transform> Handle;
+
+protected:
+       Transform(const GUID& guid=GUID(0)):guid_(guid) { }
+
+public:
+
+       const GUID& get_guid()const { return guid_; }
+
+       virtual ~Transform() { }
+       virtual synfig::Vector perform(const synfig::Vector& x)const=0;
+       virtual synfig::Vector unperform(const synfig::Vector& x)const=0;
+
+       virtual synfig::Rect perform(const synfig::Rect& x)const;
+       virtual synfig::Rect unperform(const synfig::Rect& x)const;
+
+}; // END of class Transform
+
+class TransformStack : public std::list<Transform::Handle>
+{
+public:
+       GUID get_guid()const;
+
+       synfig::Vector perform(const synfig::Vector& x)const;
+       synfig::Vector unperform(const synfig::Vector& x)const;
+
+       synfig::Rect perform(const synfig::Rect& x)const;
+       synfig::Rect unperform(const synfig::Rect& x)const;
+
+       void push(const Transform::Handle& x) { if(x)push_back(x); }
+       void pop() { pop_back(); }
+}; // END of class TransformStack
+
+}; // END of namespace synfig
+
+/* === E N D =============================================================== */
+
+#endif