minetest/src/util/png.h

/*
Minetest
Copyright (C) 2021 hecks

This program 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 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 Lesser General Public License for more details.

You should have received a copy of the GNU Lesser General Public License along
with this program; if not, write to the Free Software Foundation, Inc.,
51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*/

#pragma once

#include <string>
#include "irrlichttypes.h"

/*	Simple PNG encoder. Encodes an RGBA image with no predictors.
	Returns a binary string. */
std::string encodePNG(const u8 *data, u32 width, u32 height, s32 compression);