| COPYRIGHT NOTICE: |
| |
| Copyright (c) 1995, 1996 Guy Eric Schalnat, Group 42, Inc. |
| (libpng versions 0.5, May 1995, through 0.89c, May 1996) |
| Copyright (c) 1996, 1997 Andreas Dilger |
| (libpng versions 0.90, December 1996, through 0.96, May 1997) |
| Copyright (c) 1998, 1999 Glenn Randers-Pehrson |
| (libpng versions 0.97, January 1998, through 1.0.5d, November 29, 1999) |
| |
| For the purposes of this copyright and license, "Contributing Authors" |
| is defined as the following set of individuals: |
| |
| John Bowler |
| Kevin Bracey |
| Sam Bushell |
| Andreas Dilger |
| Magnus Holmgren |
| Tom Lane |
| Dave Martindale |
| Glenn Randers-Pehrson |
| Greg Roelofs |
| Guy Eric Schalnat |
| Paul Schmidt |
| Tom Tanner |
| Willem van Schaik |
| 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. |
| |
| 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 |
| file "pngnow.png". |
| |
| Libpng is OSI Certified Open Source Software. OSI Certified is a |
| certification mark of the Open Source Initiative. |
| |
| Glenn Randers-Pehrson |
| randeg@alum.rpi.edu |
| November 29, 1999 |
