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X-Hacker.org- MOD File Format - <b>introduction</b>
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Introduction
'GIF' (tm) is CompuServe's standard for defining generalized colour raster
images. This 'Graphics Interchange Format' (tm) allows
high-quality, high-resolution graphics to be displayed on a variety of
graphics hardware and is intended as an exchange and display mechanism
for graphics images. The image format described in this document is
designed to support current and future image technology and will in
addition serve as a basis for future CompuServe graphics products.
The main focus of this document is to provide the technical
information necessary for a programmer to implement GIF encoders and
decoders. As such, some assumptions are made as to terminology relavent
to graphics and programming in general.
The first section of this document describes the GIF data format and
its components and applies to all GIF decoders, either as standalone
programs or as part of a communications package. Appendix B is a
section relavent to decoders that are part of a communications software
package and describes the protocol requirements for entering and exiting
GIF mode, and responding to host interrogations. A glossary in Appendix A
defines some of the terminology used in this document. Appendix C
gives a detailed explanation of how the graphics image itself is
packaged as a series of data bytes.
See Also: Glossary General File Format
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