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The libpng library uses a similar license, libpng license, sometimes referred interchangeably as zlib/libpng license. The zlib license has been approved by the Free Software Foundation (FSF) as a free software license, [2] and by the Open Source Initiative (OSI) as an open source license. [3] It is compatible with the GNU General Public License ...
Website. libpng.org /pub /png /libpng.html. libpng is the official Portable Network Graphics (PNG) reference library (originally called pnglib). It is a platform-independent library that contains C functions for handling PNG images. It supports almost all of PNG's features, is extensible, and has been widely used and tested for over 28 years.
By country or region. Comparisons. v. t. e. Z-Library (abbreviated as z-lib, formerly BookFinder) is a shadow library project for file-sharing access to scholarly journal articles, academic texts and general-interest books. It began as a mirror of Library Genesis, but has expanded dramatically. [6][7]
zlib (/ ˈ z iː l ɪ b / or "zeta-lib", / ˈ z iː t ə ˌ l ɪ b /) [2] [3] is a software library used for data compression as well as a data format. [4] zlib was written by Jean-loup Gailly and Mark Adler and is an abstraction of the DEFLATE compression algorithm used in their gzip file compression program. zlib is also a crucial component of many software platforms, including Linux, macOS ...
List of file signatures. This is a dynamic list and may never be able to satisfy particular standards for completeness. You can help by adding missing items with reliable sources. This is a list of file signatures, data used to identify or verify the content of a file. Such signatures are also known as magic numbers or Magic Bytes.
The official reference implementation of the PNG format is the programming library libpng. [60] It is published as free software under the terms of a permissive free software license. Therefore, it is usually found as an important system library in free operating systems.
SFML is free and open-source software provided under the terms of the zlib/png license. It is available on Linux, macOS, Windows and FreeBSD. [5] [6] The first version v1.0 was released on 9 August 2007, and the latest version v2.6.1 was released on 4 November 2023. [7]
LZ77 and LZ78 are the two lossless data compression algorithms published in papers by Abraham Lempel and Jacob Ziv in 1977 [1] and 1978. [2] They are also known as LZ1 and LZ2 respectively. [3] These two algorithms form the basis for many variations including LZW, LZSS, LZMA and others. Besides their academic influence, these algorithms formed ...