/* === 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);
if (getenv("SYNFIG_DEBUG_TRANSFORM_STACK")) printf(" PERFORM %s: %5.2f %5.2f", get_guid().get_string().substr(0,6).c_str(), ret[0], ret[1]);
for(const_reverse_iterator iter(rbegin());iter!=rend();++iter)
{
ret=(*iter)->perform(ret);
if (getenv("SYNFIG_DEBUG_TRANSFORM_STACK")) printf(" (%14s) %5.2f %5.2f", (*iter)->get_string().c_str(), ret[0], ret[1]);
}
if (getenv("SYNFIG_DEBUG_TRANSFORM_STACK")) printf("\n");
return ret;
}
synfig::Vector
TransformStack::unperform(const synfig::Vector& x)const
{
synfig::Vector ret(x);
if (getenv("SYNFIG_DEBUG_TRANSFORM_STACK")) printf(" UNPERFORM %s: %5.2f %5.2f", get_guid().get_string().substr(0,6).c_str(), ret[0], ret[1]);
for(const_iterator iter(begin());iter!=end();++iter)
{
ret=(*iter)->unperform(ret);
if (getenv("SYNFIG_DEBUG_TRANSFORM_STACK")) printf(" (%14s) %5.2f %5.2f", (*iter)->get_string().c_str(), ret[0], ret[1]);
}
if (getenv("SYNFIG_DEBUG_TRANSFORM_STACK")) printf("\n");
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;
}