minetest/src/util/png.h
hecks 80d12dbedb
Add a simple PNG image encoder with Lua API (#11485)
* Add a simple PNG image encoder with Lua API
Add ColorSpec to RGBA converter
Make a safety wrapper for the encoder
Create devtest examples

Co-authored-by: hecktest <>
Co-authored-by: sfan5 <sfan5@live.de>
2021-07-29 05:10:10 +02:00

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/*
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);