/*****************************************************************************

*

* This file is part of Mapnik (c++ mapping toolkit)

*

* Copyright (C) 2024 Artem Pavlenko

*

* This library is free software; you can redistribute it and/or

* modify it under the terms of the GNU Lesser General Public

* License as published by the Free Software Foundation; either

* version 2.1 of the License, or (at your option) any later version.

*

* This library 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

* Lesser General Public License for more details.

*

* You should have received a copy of the GNU Lesser General Public

* License along with this library; if not, write to the Free Software

* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA

*

*****************************************************************************/

//mapnik

#include <mapnik/config.hpp>

#include <mapnik/palette.hpp>

//pybind11

#include <pybind11/pybind11.h>

namespace py = pybind11;

static std::shared_ptr<mapnik::rgba_palette> make_palette( std::string const& palette, std::string const& format )

{

mapnik::rgba_palette::palette_type type = mapnik::rgba_palette::PALETTE_RGBA;

if (format == "rgb")

type = mapnik::rgba_palette::PALETTE_RGB;

else if (format == "act")

type = mapnik::rgba_palette::PALETTE_ACT;

else

throw std::runtime_error("invalid type passed for `mapnik.Palette`: must be either rgba, rgb, or act");

return std::make_shared<mapnik::rgba_palette>(palette, type);

}

void export_palette (py::module const& m)

{

py::class_<mapnik::rgba_palette, std::shared_ptr<mapnik::rgba_palette>>(m, "Palette")

.def(py::init([](std::string const& palette, std::string const& format) {

return make_palette(palette, format); }),

"Creates a new color palette from a file\n",

py::arg("palette"), py::arg("type"))

.def("to_string", &mapnik::rgba_palette::to_string,

"Returns the palette as a string.\n"

)

;

}