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// K-3D
// Copyright (c) 1995-2008, 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 "simple_modifier.h"
#include <k3d-i18n-config.h>
#include <k3dsdk/document_plugin_factory.h>
namespace module
{
namespace bitmap
{
/////////////////////////////////////////////////////////////////////////////
// gamma
class gamma :
public simple_modifier
{
typedef simple_modifier base;
public:
gamma(k3d::iplugin_factory& Factory, k3d::idocument& Document) :
base(Factory, Document),
m_gamma(init_owner(*this) + init_name("gamma") + init_label(_("Gamma Value")) + init_description(_("Apply gamma value to each pixel.")) + init_value(1.0))
{
m_gamma.changed_signal().connect(k3d::hint::converter<
k3d::hint::convert<k3d::hint::any, k3d::hint::bitmap_pixels_changed> >(make_update_bitmap_slot()));
}
struct functor
{
functor(const double Gamma) :
gamma(Gamma ? 1.0 / Gamma : 1.0)
{
}
k3d::pixel operator()(const k3d::pixel& Input)
{
return k3d::pixel(
std::pow(static_cast<double>(boost::gil::get_color(Input, boost::gil::red_t())), gamma),
std::pow(static_cast<double>(boost::gil::get_color(Input, boost::gil::green_t())), gamma),
std::pow(static_cast<double>(boost::gil::get_color(Input, boost::gil::blue_t())), gamma),
boost::gil::get_color(Input, boost::gil::alpha_t()));
}
const double gamma;
};
void on_assign_pixels(const k3d::bitmap& Input, k3d::bitmap& Output)
{
boost::gil::transform_pixels(const_view(Input), view(Output), functor(m_gamma.pipeline_value()));
}
static k3d::iplugin_factory& get_factory()
{
static k3d::document_plugin_factory<gamma,
k3d::interface_list<k3d::ibitmap_source,
k3d::interface_list<k3d::ibitmap_sink> > > factory(
k3d::uuid(0xa2ff08c9, 0x96e54063, 0x907ad507, 0xec36dd1c),
"BitmapGamma",
_("Apply gamma value to each pixel"),
"Bitmap",
k3d::iplugin_factory::STABLE);
return factory;
}
private:
k3d_data(double, immutable_name, change_signal, with_undo, local_storage, no_constraint, writable_property, with_serialization) m_gamma;
};
/////////////////////////////////////////////////////////////////////////////
// gamma_factory
k3d::iplugin_factory& gamma_factory()
{
return gamma::get_factory();
}
} // namespace bitmap
} // namespace module
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