libpng-1.6.37.zip

/* png.h - header file for PNG reference library * * libpng version 1.6.37 - April 14, 2019 * * Copyright (c) 2018-2019 Cosmin Truta * Copyright (c) 1998-2002,2004,2006-2018 Glenn Randers-Pehrson * Copyright (c) 1996-1997 Andreas Dilger * Copyright (c) 1995-1996 Guy Eric Schalnat, Group 42, Inc. * * This code is released under the libpng license. (See LICENSE, below.) * * Authors and maintainers: * libpng versions 0.71, May 1995, through 0.88, January 1996: Guy Schalnat * libpng versions 0.89, June 1996, through 0.96, May 1997: Andreas Dilger * libpng versions 0.97, January 1998, through 1.6.35, July 2018: * Glenn Randers-Pehrson * libpng versions 1.6.36, December 2018, through 1.6.37, April 2019: * Cosmin Truta * See also "Contributing Authors", below. */ /* * COPYRIGHT NOTICE, DISCLAIMER, and LICENSE * ========================================= * * PNG Reference Library License version 2 * --------------------------------------- * * * Copyright (c) 1995-2019 The PNG Reference Library Authors. * * Copyright (c) 2018-2019 Cosmin Truta. * * Copyright (c) 2000-2002, 2004, 2006-2018 Glenn Randers-Pehrson. * * Copyright (c) 1996-1997 Andreas Dilger. * * Copyright (c) 1995-1996 Guy Eric Schalnat, Group 42, Inc. * * The software is supplied "as is", without warranty of any kind, * express or implied, including, without limitation, the warranties * of merchantability, fitness for a particular purpose, title, and * non-infringement. In no event shall the Copyright owners, or * anyone distributing the software, be liable for any damages or * other liability, whether in contract, tort or otherwise, arising * from, out of, or in connection with the software, or the use or * other dealings in the software, even if advised of the possibility * of such damage. * * Permission is hereby granted to use, copy, modify, and distribute * this software, or portions hereof, for any purpose, without fee, * subject to the following restrictions: * * 1. The origin of this software must not be misrepresented; you * must not claim that you wrote the original software. If you * use this software in a product, an acknowledgment in the product * documentation would be appreciated, but is not required. * * 2. Altered source versions must be plainly marked as such, and must * not be misrepresented as being the original software. * * 3. This Copyright notice may not be removed or altered from any * source or altered source distribution. * * * PNG Reference Library License version 1 (for libpng 0.5 through 1.6.35) * ----------------------------------------------------------------------- * * libpng versions 1.0.7, July 1, 2000, through 1.6.35, July 15, 2018 are * Copyright (c) 2000-2002, 2004, 2006-2018 Glenn Randers-Pehrson, are * derived from libpng-1.0.6, and are distributed according to the same * disclaimer and license as libpng-1.0.6 with the following individuals * added to the list of Contributing Authors: * * Simon-Pierre Cadieux * Eric S. Raymond * Mans Rullgard * Cosmin Truta * Gilles Vollant * James Yu * Mandar Sahastrabuddhe * Google Inc. * Vadim Barkov * * and with the following additions to the disclaimer: * * There is no warranty against interference with your enjoyment of * the library or against infringement. There is no warranty that our * efforts or the library will fulfill any of your particular purposes * or needs. This library is provided with all faults, and the entire * risk of satisfactory quality, performance, accuracy, and effort is * with the user. * * Some files in the "contrib" directory and some configure-generated * files that are distributed with libpng have other copyright owners, and * are released under other open source licenses. * * libpng versions 0.97, January 1998, through 1.0.6, March 20, 2000, are * Copyright (c) 1998-2000 Glenn Randers-Pehrson, are derived from * libpng-0.96, and are distributed according to the same disclaimer and * license as libpng-0.96, with the following individuals added to the * list of Contributing Authors: * * Tom Lane * Glenn Randers-Pehrson * Willem van Schaik * * libpng versions 0.89, June 1996, through 0.96, May 1997, are * Copyright (c) 1996-1997 Andreas Dilger, are derived from libpng-0.88, * and are distributed according to the same disclaimer and license as * libpng-0.88, with the following individuals added to the list of * Contributing Authors: * * John Bowler * Kevin Bracey * Sam Bushell * Magnus Holmgren * Greg Roelofs * Tom Tanner * * Some files in the "scripts" directory have other copyright owners, * but are released under this license. * * libpng versions 0.5, May 1995, through 0.88, January 1996, are * Copyright (c) 1995-1996 Guy Eric Schalnat, Group 42, Inc. * * For the purposes of this copyright and license, "Contributing Authors" * is defined as the following set of individuals: * * Andreas Dilger * Dave Martindale * Guy Eric Schalnat * Paul Schmidt * Tim Wegner * * The PNG Reference Library is supplied "AS IS". The Contributing * Authors and Group 42, Inc. disclaim all warranties, expressed or * implied, including, without limitation, the warranties of * merchantability and of fitness for any purpose. The Contributing * Authors and Group 42, Inc. assume no liability for direct, indirect, * incidental, special, exemplary, or consequential damages, which may * result from the use of the PNG Reference Library, even if advised of * the possibility of such damage. * * Permission is hereby granted to use, copy, modify, and distribute this * source code, or portions hereof, for any purpose, without fee, subject * to the following restrictions: * * 1. The origin of this source code must not be misrepresented. * * 2. Altered versions must be plainly marked as such and must not * be misrepresented as being the original source. * * 3. This Copyright notice may not be removed or altered from any * source or altered source distribution. * * The Contributing Authors and Group 42, Inc. specifically permit, * without fee, and encourage the use of this source code as a component * to supporting the PNG file format in commercial products. If you use * this source code in a product, acknowledgment is not required but would * be appreciated. * * END OF COPYRIGHT NOTICE, DISCLAIMER, and LICENSE. * * TRADEMARK * ========= * * The name "libpng" has not been registered by the Copyright owners * as a trademark in any jurisdiction. However, because libpng has * been distributed and maintained world-wide, continually since 1995, * the Copyright owners claim "common-law trademark protection" in any * jurisdiction where common-law trademark is recognized. */ /* * A "png_get_copyright" function is available, for convenient use in "about" * boxes and the like: * * printf("%s", png_get_copyright(NULL)); * * Also, the PNG logo (in PNG format, of course) is supplied in the * files "pngbar.png" and "pngbar.jpg (88x31) and "pngnow.png" (98x31). */ /* * The contributing authors would like to thank all those who helped * with testing, bug fixes, and patience. This wouldn't have been * possible without all of you. * * Thanks to Frank J. T. Wojcik for helping with the documentation. */ /* Note about libpng version numbers: * * Due to various miscommunications, unforeseen code incompatibilities * and occasional factors outside the authors' control, version numbering * on the library has not always been consistent and straightforward. * The following table summarizes m