** $Id: stretch.cpp,v 1.1.1.1 2005/01/04 01:23:10 darco Exp $
**
** \legal
-** Copyright (c) 2002 Robert B. Quattlebaum Jr.
+** Copyright (c) 2002-2005 Robert B. Quattlebaum Jr., Adrian Bentley
**
-** This software and associated documentation
-** are CONFIDENTIAL and PROPRIETARY property of
-** the above-mentioned copyright holder.
+** 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.
**
-** You may not copy, print, publish, or in any
-** other way distribute this software without
-** a prior written agreement with
-** the copyright holder.
+** 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
*/
/* ========================================================================= */
{
}
-
+
bool
Layer_Stretch::set_param(const String & param, const ValueBase &value)
{
IMPORT(amount);
IMPORT(center);
-
- return false;
+
+ return false;
}
ValueBase
EXPORT_NAME();
EXPORT_VERSION();
-
- return ValueBase();
+
+ return ValueBase();
}
Layer::Vocab
Layer_Stretch::get_param_vocab()const
{
Layer::Vocab ret;
-
+
ret.push_back(ParamDesc("amount")
.set_local_name(_("Amount"))
);
ret.push_back(ParamDesc("center")
.set_local_name(_("Center"))
);
-
+
return ret;
}
return context.get_color(npos);
}
-class Stretch_Trans : public Transform
+class Stretch_Trans : public Transform
{
etl::handle<const Layer_Stretch> layer;
public:
Stretch_Trans(const Layer_Stretch* x):Transform(x->get_guid()),layer(x) { }
-
+
synfig::Vector perform(const synfig::Vector& x)const
{
return Vector((x[0]-layer->center[0])*layer->amount[0]+layer->center[0],(x[1]-layer->center[1])*layer->amount[1]+layer->center[1]);
}
-
+
synfig::Vector unperform(const synfig::Vector& x)const
{
return Vector((x[0]-layer->center[0])/layer->amount[0]+layer->center[0],(x[1]-layer->center[1])/layer->amount[1]+layer->center[1]);