File: insert_knot.cpp

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// K-3D
// Copyright (c) 1995-2004, 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 Carsten Haubold (CarstenHaubold@web.de)
*/

#include "nurbs_curves.h"
#include "utility.h"

#include <k3dsdk/data.h>
#include <k3dsdk/document_plugin_factory.h>
#include <k3dsdk/geometry.h>
#include <k3dsdk/log.h>
#include <k3dsdk/material_sink.h>
#include <k3dsdk/measurement.h>
#include <k3dsdk/mesh.h>
#include <k3dsdk/mesh_modifier.h>
#include <k3dsdk/mesh_selection_sink.h>
#include <k3dsdk/mesh_source.h>
#include <k3dsdk/module.h>
#include <k3dsdk/node.h>
#include <k3dsdk/nurbs_curve.h>
#include <k3dsdk/point3.h>
#include <k3dsdk/selection.h>

#include <boost/scoped_ptr.hpp>

#include <iostream>
#include <vector>

namespace module
{

namespace nurbs
{

class insert_knot :
	public k3d::mesh_selection_sink<k3d::mesh_modifier<k3d::node > >
{
	typedef k3d::mesh_selection_sink<k3d::mesh_modifier<k3d::node > > base;
public:
	insert_knot(k3d::iplugin_factory& Factory, k3d::idocument& Document) :
		base(Factory, Document),
		m_u_value(init_owner(*this) + init_name(_("u_value")) + init_label(_("u_value")) + init_description(_("Insert knot at [0,1]")) + init_step_increment(0.01) + init_units(typeid(k3d::measurement::scalar)) + init_constraint(constraint::minimum(0.0 , constraint::maximum(1.0))) + init_value(0.5)),
		m_multiplicity(init_owner(*this) + init_name(_("multiplicity")) + init_label(_("multiplicity")) + init_description(_("Multiplicity")) + init_constraint(constraint::minimum(1 , constraint::maximum(3))) + init_value(1))
	{
		m_mesh_selection.changed_signal().connect(make_update_mesh_slot());
		m_u_value.changed_signal().connect(make_update_mesh_slot());
		m_multiplicity.changed_signal().connect(make_update_mesh_slot());
	}

	void on_create_mesh(const k3d::mesh& Input, k3d::mesh& Output)
	{
		Output = Input;
	}

	void on_update_mesh(const k3d::mesh& Input, k3d::mesh& Output)
	{
		Output = Input;
		k3d::geometry::selection::merge(m_mesh_selection.pipeline_value(), Output);
		modify_selected_curves(Input, Output, knot_inserter(m_u_value.pipeline_value(), m_multiplicity.pipeline_value()));

	}

	static k3d::iplugin_factory& get_factory()
	{
		static k3d::document_plugin_factory<insert_knot, k3d::interface_list<k3d::imesh_source, k3d::interface_list<k3d::imesh_sink > > > factory(
		  k3d::uuid(0x37e2f7e9, 0x7c44838e, 0x2227c981, 0x3018ab03),
		  "NurbsCurveInsertKnot",
		  _("Inserts a new Knot with the specified u-value"),
		  "NURBS",
		  k3d::iplugin_factory::EXPERIMENTAL);

		return factory;
	}
private:
	struct knot_inserter
	{
		knot_inserter(const k3d::double_t U, const k3d::uint_t R) : u(U), r(R) {}
		void operator()(k3d::mesh& OutputMesh, k3d::nurbs_curve::primitive& OutputCurves, const k3d::mesh& InputMesh, const k3d::nurbs_curve::const_primitive& InputCurves, const k3d::uint_t& Curve)
		{
			curve_arrays curve(InputMesh, InputCurves, Curve);
			module::nurbs::insert_knot(curve, u, r);
			curve.add_curve(OutputMesh, OutputCurves);
		}
		const k3d::double_t u;
		const k3d::uint_t r;
	};
	k3d_data(k3d::double_t, immutable_name, change_signal, with_undo, local_storage, with_constraint, measurement_property, with_serialization) m_u_value;
	k3d_data(k3d::int32_t, immutable_name, change_signal, with_undo, local_storage, with_constraint, writable_property, with_serialization) m_multiplicity;
};

k3d::iplugin_factory& insert_knot_factory()
{
	return insert_knot::get_factory();
}

} //namespace nurbs

} //namespace module