X-Git-Url: https://git.pterodactylus.net/?a=blobdiff_plain;f=synfig-core%2Fsrc%2Fsynfig%2Ftransform.cpp;fp=synfig-core%2Fsrc%2Fsynfig%2Ftransform.cpp;h=2e9de68e87daa25fa3c7216df15466a55b06ccd9;hb=a095981e18cc37a8ecc7cd237cc22b9c10329264;hp=0000000000000000000000000000000000000000;hpb=9459638ad6797b8139f1e9f0715c96076dbf0890;p=synfig.git

diff --git a/synfig-core/src/synfig/transform.cpp b/synfig-core/src/synfig/transform.cpp
new file mode 100644
index 0000000..2e9de68
--- /dev/null
+++ b/synfig-core/src/synfig/transform.cpp
@@ -0,0 +1,149 @@
+/* === 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;
+}