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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 Anders Dahnielson (anders@dahnielson.com)
*/
#include <k3dsdk/object.h>
#include <k3dsdk/computed_property.h>
#include <k3dsdk/persistence.h>
#include <k3dsdk/module.h>
namespace libk3dcore
{
class scalar_rand_implementation :
public k3d::persistent<k3d::object>
{
typedef k3d::persistent<k3d::object> base;
public:
scalar_rand_implementation(k3d::idocument& Document) :
base(Document),
m_seed(k3d::init_name("seed") + k3d::init_description("seed [double]") + k3d::init_value(0) + k3d::init_document(Document)),
m_output("output", "pseudo-random output [double]", k3d::method_call(*this, &scalar_rand_implementation::get_value))
{
register_property(m_seed);
register_property(m_output);
enable_serialization(k3d::persistence::proxy(m_seed));
m_seed.changed_signal().connect(SigC::slot(*this, &scalar_rand_implementation::reset_rand));
m_seed.changed_signal().connect(m_output.changed_signal().slot());
}
void reset_rand()
{
srand(m_seed.property_value());
}
double get_value()
{
return std::rand();
}
static k3d::iplugin_factory& get_factory()
{
static k3d::plugin_factory<k3d::document_plugin<scalar_rand_implementation> > factory(
k3d::uuid(0x14d8ab55, 0x1a014938, 0x9e1ad629, 0x86181375),
"ScalarPseudoRand",
"Produce pseudo-random output",
"Objects",
k3d::iplugin_factory::EXPERIMENTAL);
return factory;
}
k3d::iplugin_factory& factory()
{
return get_factory();
}
private:
k3d_data_property(unsigned long, k3d::immutable_name, k3d::change_signal, k3d::with_undo, k3d::local_storage, k3d::no_constraint) m_seed;
k3d::computed_property<double, k3d::method_call_t<scalar_rand_implementation, double> > m_output;
};
k3d::iplugin_factory& scalar_rand_factory()
{
return scalar_rand_implementation::get_factory();
}
} //namespace libk3dcore
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