Remove ancient trunk folder from svn repository

[synfig.git] / synfig-core / src / synfig / transform.cpp

diff --git a/synfig-core/src/synfig/transform.cpp b/synfig-core/src/synfig/transform.cpp
new file mode 100644 (file)
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+++ b/synfig-core/src/synfig/transform.cpp
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+/* === S Y N F I G ========================================================= */
+/*!    \file transform.cpp
+**     \brief Template File
+**
+**     $Id$
+**
+**     \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
+*/
+/* ========================================================================= */
+
+/* === H E A D E R S ======================================================= */
+
+#ifdef USING_PCH
+#      include "pch.h"
+#else
+#ifdef HAVE_CONFIG_H
+#      include <config.h>
+#endif
+
+#include "transform.h"
+#include <algorithm>
+
+#endif
+
+/* === U S I N G =========================================================== */
+
+using namespace std;
+using namespace etl;
+using namespace synfig;
+
+/* === M A C R O S ========================================================= */
+
+/* === G L O B A L S ======================================================= */
+
+/* === P R O C E D U R E S ================================================= */
+
+/* === M E T H O D S ======================================================= */
+
+synfig::GUID
+TransformStack::get_guid()const
+{
+       GUID ret(0);
+
+       for(const_iterator iter(begin());iter!=end();++iter)
+               ret%=(*iter)->get_guid();
+       return ret;
+}
+
+synfig::Vector
+TransformStack::perform(const synfig::Vector& x)const
+{
+       synfig::Vector ret(x);
+
+       for(const_reverse_iterator iter(rbegin());iter!=rend();++iter)
+               ret=(*iter)->perform(ret);
+
+       return ret;
+}
+
+synfig::Vector
+TransformStack::unperform(const synfig::Vector& x)const
+{
+       synfig::Vector ret(x);
+
+       for(const_iterator iter(begin());iter!=end();++iter)
+               ret=(*iter)->unperform(ret);
+
+       return ret;
+}
+
+synfig::Rect
+TransformStack::perform(const synfig::Rect& x)const
+{
+       Point min(x.get_min());
+       Point max(x.get_max());
+       Rect ret(perform(min),perform(max));
+
+       std::swap(min[1],max[1]);
+       ret
+               .expand(perform(min))
+               .expand(perform(max))
+       ;
+       return ret;
+}
+
+synfig::Rect
+TransformStack::unperform(const synfig::Rect& x)const
+{
+       Point min(x.get_min());
+       Point max(x.get_max());
+       Rect ret(unperform(min),unperform(max));
+
+       std::swap(min[1],max[1]);
+       ret
+               .expand(unperform(min))
+               .expand(unperform(max))
+       ;
+       return ret;
+}
+
+synfig::Rect
+Transform::perform(const synfig::Rect& x)const
+{
+       if(x.area()>1000000000000.0)
+               return Rect::full_plane();
+
+       Point min(x.get_min());
+       Point max(x.get_max());
+
+       Rect ret(perform(min),perform(max));
+
+       std::swap(min[1],max[1]);
+       ret
+               .expand(perform(min))
+               .expand(perform(max))
+       ;
+       return ret;
+}
+
+synfig::Rect
+Transform::unperform(const synfig::Rect& x)const
+{
+       if(x.area()>1000000000000.0)
+               return Rect::full_plane();
+
+       Point min(x.get_min());
+       Point max(x.get_max());
+
+       Rect ret(unperform(min),unperform(max));
+
+       std::swap(min[1],max[1]);
+       ret
+               .expand(unperform(min))
+               .expand(unperform(max))
+       ;
+       return ret;
+}