libpng12 mingw 494 build.zip

/* png.h - header file for PNG reference library * * libpng version 1.2.56, December 17, 2015 * * Copyright (c) 1998-2015 Glenn Randers-Pehrson * (Version 0.96 Copyright (c) 1996, 1997 Andreas Dilger) * (Version 0.88 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 1.2.56, December 17, 2015: Glenn * See also "Contributing Authors", below. */ /* * COPYRIGHT NOTICE, DISCLAIMER, and LICENSE: * * If you modify libpng you may insert additional notices immediately following * this sentence. * * This code is released under the libpng license. * * libpng versions 1.0.7, July 1, 2000, through 1.2.56, December 17, 2015, are * Copyright (c) 2000-2002, 2004, 2006-2015 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 * Cosmin Truta * Gilles Vollant * * 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. * * 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 * * 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. */ /* * 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). */ /* * Libpng is OSI Certified Open Source Software. OSI Certified Open Source is * a certification mark of the Open Source Initiative. OSI has not addressed * the additional disclaimers inserted at version 1.0.7. */ /* * 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 matters since version 0.89c, which was * the first widely used release: * * source png.h png.h shared-lib * version string int version * ------- ------ ----- ---------- * 0.89c "1.0 beta 3" 0.89 89 1.0.89 * 0.90 "1.0 beta 4" 0.90 90 0.90 [should have been 2.0.90] * 0.95 "1.0 beta 5" 0.95 95 0.95 [should have been 2.0.95] * 0.96 "1.0 beta 6" 0.96 96 0.96 [should have been 2.0.96] * 0.97b "1.00.97 beta 7" 1.00.97 97 1.0.1 [should have been 2.0.97] * 0.97c 0.97 97 2.0.97 * 0.98 0.98 98 2.0.98 * 0.99 0.99 98 2.0.99 * 0.99a-m 0.99 99 2.0.99 * 1.00 1.00 100 2.1.0 [100 should be 10000] * 1.0.0 (from here on, the 100 2.1.0 [100 should be 10000] * 1.0.1 png.h string is 10001 2.1.0 * 1.0.1a-e identical to the 10002 from here on, the shared library * 1.0.2 source version) 10002 is 2.V where V is the source code * 1.0.2a-b 10003 version, except as noted. * 1.0.3 10003 * 1.0.3a-d 10004 * 1.0.4 10004 * 1.0.4a-f 10005 * 1.0.5 (+ 2 patches) 10005 * 1.0.5a-d 10006 * 1.0.5e-r 10100 (not source compatible) * 1.0.5s-v 10006 (not binary compatible) * 1.0.6 (+ 3 patches) 10006 (still binary incompatible) * 1.0.6d-f 10007 (still binary incompatible) * 1.0.6g 10007 * 1.0.6h 10007 10.6h (testing xy.z so-numbering) * 1.0.6i 10007 10.6i * 1.0.6j 10007 2.1.0.6j (incompatible with 1.0.0) * 1.0.7beta11-14 DLLNUM 10007 2.1.0.7beta11-14 (binary compatible) * 1.0.7beta15-18 1 10007 2.1.0.7beta15-18 (binary compatible) * 1.0.7rc1-2 1 10007 2.1.0.7rc1-2 (binary compatible) * 1.0.7 1 10007 (still compatible) * ... * 1.0.19 10 10019 10.so.0.19[.0] * ... * 1.0.66 10 10066 10.so.0.66[.0] * 1.2.56 13 10256 12.so.0.56[.0] * * Henceforth the source version will match the shared-library major * and minor numbers; the shared-library major version number wil