User's Guide

Table Of Contents

that very many implementations will support it.) So far as we are aware, there are no patent restrictions

on the remaining code.

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.

We are required to state that

"The Graphics Interchange Format(c)) is the Copyright property of CompuServe Incorporated. GIF(sm)

is a Service Mark property of CompuServe Incorporated."

libpng

This projector product includes the open source software program "libpng" which applies the terms and

conditions provided by owner of the copyright to the "libpng".

The "libpng" are WITHOUT ANY WARRANTY; without even the implied warranty of

MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.

List of libpng programs

libpng-1.2.49

License terms of conditions of each program which are provided by owner of the copyright to the "libpng"

are as follows.

This copy of the libpng notices is provided for your convenience. In case of any discrepancy between

this copy and the notices in the file png.h that is included in the libpng distribution, the latter shall prevail.

If you modify libpng you may insert additional notices immediately following this sentence.

This code is released under the libpng license.

2009 Glenn Randers-Pehrson, and are distributed according to the same disclaimer and license as

libpng-1.2.5 with the following individual added to the list of Contributing Authors

Cosmin Truta

Randers-Pehrson, 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

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