Appendix C - Png Decoder - Toshiba 32W2300A Owner's Manual

The IJG distribution formerly included code to read and write GIF files. To avoid entanglement with the Unisys
LZW patent, GIF reading support has been removed altogether, and the GIF writer has been simplified to produce
"uncompressed GIFs". This technique does not use the LZW algorithm; the resulting GIF files are larger than usual,
but are readable by all standard GIF decoders.
"The Graphics Interchange Format(c) is the Copyright property of
CompuServe Incorporated. GIF(sm) is a Service Mark property of
CompuServe Incorporated."
Appendix C – PNG decoder
Header part:
/* png.h - header file for PNG reference library
*
* libpng 1.0.2 - June 14, 1998
* For conditions of distribution and use, see the COPYRIGHT NOTICE below.
* Copyright (c) 1995, 1996 Guy Eric Schalnat, Group 42, Inc.
* Copyright (c) 1996, 1997 Andreas Dilger
* Copyright (c) 1998 Glenn Randers-Pehrson
*
* COPYRIGHT NOTICE:
*
* 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.
*/
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Information Note