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transformable.h
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2008-12-16
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#ifndef K3DSDK_TRANSFORMABLE_H
#define K3DSDK_TRANSFORMABLE_H
// K-3D
// Copyright (c) 1995-2005, Timothy M. Shead
//
// Contact: tshead@k-3d.com
//
// This program 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 program 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.
//
// You should have received a copy of the GNU General Public
// License along with this program; if not, write to the Free Software
// Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
/** \file
\author Tim Shead (tshead@k-3d.com)
*/
#include "algebra.h"
#include "data.h"
#include "itransform_sink.h"
#include "itransform_source.h"
namespace k3d
{
/// Provides a boilerplate implementation of an object that can act as a transform source and a transform sink
template<typename base_t>
class transformable :
public base_t,
public itransform_source,
public itransform_sink
{
public:
transformable(iplugin_factory& Factory, idocument& Document) :
base_t(Factory, Document),
m_input_matrix(init_owner(*this) + init_name("input_matrix") + init_label(_("Input Matrix")) + init_description("Input matrix") + init_value(identity3())),
m_output_matrix(init_owner(*this) + init_name("output_matrix") + init_label(_("Output Matrix")) + init_description(_("Output Matrix")) + init_slot(sigc::mem_fun(*this, &transformable<base_t>::matrix)))
{
m_input_matrix.changed_signal().connect(m_output_matrix.make_reset_slot());
}
iproperty& transform_source_output()
{
return m_output_matrix;
}
iproperty& transform_sink_input()
{
return m_input_matrix;
}
protected:
virtual matrix4 matrix()
{
return m_input_matrix.pipeline_value();
}
k3d_data(matrix4, data::immutable_name, data::change_signal, data::no_undo, data::local_storage, data::no_constraint, data::writable_property, data::with_serialization) m_input_matrix;
k3d_data(matrix4, data::immutable_name, data::change_signal, data::no_undo, data::computed_storage, data::no_constraint, data::read_only_property, data::no_serialization) m_output_matrix;
};
} // namespace k3d
#endif // !K3DSDK_TRANSFORMABLE_H