// 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 Timothy M. Shead (tshead@k-3d.com)
*/

#include <boost/python.hpp>

#include <k3dsdk/python/const_bitmap_python.h>

#include <boost/python/tuple.hpp>
#include <boost/python/detail/api_placeholder.hpp>
using namespace boost::python;

namespace k3d
{

namespace python
{

static tuple get_pixel(const_bitmap_wrapper& Self, const unsigned long X, const unsigned long Y)
{
	if(X >= Self.wrapped().width())
		throw std::invalid_argument("X value out-of-range");
	if(Y >= Self.wrapped().height())
		throw std::invalid_argument("Y value out-of-range");

	const k3d::bitmap::const_view_t& bitmap = boost::gil::const_view(Self.wrapped());
	const k3d::pixel& pixel = bitmap(X, Y);

	return boost::python::make_tuple(
		boost::gil::get_color(pixel, boost::gil::red_t()),
		boost::gil::get_color(pixel, boost::gil::green_t()),
		boost::gil::get_color(pixel, boost::gil::blue_t()),
		boost::gil::get_color(pixel, boost::gil::alpha_t()));
}

static const unsigned long width(const_bitmap_wrapper& Self)
{
	return Self.wrapped().width();
}

static const unsigned long height(const_bitmap_wrapper& Self)
{
	return Self.wrapped().height();
}

void define_class_const_bitmap()
{
	class_<const_bitmap_wrapper>("const_bitmap",
			"Stores a two-dimensional half-precision floating-point RGBA bitmap image.", no_init)
		.def("width", &width,
			"Returns the width of the image in pixels.")
		.def("height", &height,
			"Returns the height of the image in pixels.")
		.def("get_pixel", &get_pixel)
		;
}

} // namespace python

} // namespace k3d

