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README
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Overview of Ghostscript
If this is your first contact with Ghostscript, before continuing here you
should read the documentation for new users, where you'll find
* what Ghostscript does (PostScript and PDF previewing, conversion, and
printing);
* its licensing terms (free for ordinary use);
* what platforms it runs on (every platform you're likely to be
interested in);
* where to find some useful programs that enhance Ghostscript (like
user-friendly previewers for Unix, VMS, MS Windows, DOS, and
Macintosh); and
* what to do if you need help.
The rest of this document is a roadmap to the Ghostscript documentation.
After looking through it, if you want to install Ghostscript and not only
use it, we recommend you read how to install Ghostscript, and how to compile
Ghostscript from source code (which is necessary before installing it on
Unix and VMS systems).
------------------------------------------------------------------------
Table of contents
* Document roadmap by theme
o What should I read if I'm a new user?
+ AFPL Ghostscript and GNU Ghostscript
+ Before building Ghostscript
o What should I read if I'm not a new user?
o What if I'm a developer?
o What if I'm writing documentation?
* Presence on the World Wide Web
o Ghostscript's home pages
o Adobe PostScript, Encapsulated PostScript, and PDF
reference documentation
o Other material on the WWW
* Which document contains what?
o Primarily for users:
Bug-form.htm Humor.htm Readme.htm
Bug-info.htm New-user.htm Unix-lpr.htm
Devices.htm Ps2epsi.htm Use.htm
Helpers.htm Ps2pdf.htm
o For both users and developers:
Changes.htm Hershey.htm News.htm
Commprod.htm History*.htm Psfiles.htm
Copying.htm Install.htm Public.htm
Current.htm Language.htm Tester.htm
Fonts.htm Make.htm
o Primarily for developers:
C-style.htm Lib.htm Source.htm
DLL.htm Maintain.htm Xfonts.htm
Drivers.htm Projects.htm
Htmstyle.htm Release.htm
------------------------------------------------------------------------
Document roadmap by theme
What should I read if I'm a new user?
A new user of Ghostscript should begin by reading the material specifically
for new users, then as many of these documents as seem useful:
* how to install Ghostscript
* how to use Ghostscript; some of this information information also found
in gs.1, the Unix "man" page for Ghostscript.
* the catalogs at the beginning of devs.mak and contrib.mak, which list
all the devices for which Ghostscript is able to produce output
(although if you got Ghostscript in binary form, it will only include
some of these devices)
* detailed information about some specific devices that Ghostscript knows
about
* more detailed information about how to use Ghostscript under Unix with
lpr as a filter for non-PostScript printers
* information about reporting problems -- but remember that Ghostscript
comes with NO WARRANTY and NO SUPPORT
AFPL Ghostscript and GNU Ghostscript
AFPL Ghostscript and GNU Ghostscript are different releases. If you have
AFPL Ghostscript, not the GNU Ghostscript releases distributed by the Free
Software Foundation, you should read (or at least skim through):
* additional information about AFPL Ghostscript releases that is not
relevant to GNU Ghostscript releases.
If you run into any questions, or if you are going to be using Ghostscript
extensively, you should at least skim, and probably eventually read:
* about the fonts distributed with Ghostscript, including how to add or
replace fonts
* a description of the Ghostscript language, and its differences from the
documented PostScript language
* about the .ps files distributed with Ghostscript (other than fonts)
Before building Ghostscript
If you are going to compile Ghostscript, rather than just use an executable
you got from somewhere, you should read:
* how to build Ghostscript and install it
------------------------------------------------------------------------
What should I read if I'm not a new user?
If you have already used Ghostscript, when you receive a new release you
should begin by reading this file, then
* News.htm, for incompatible changes and new features in the current
release;
* Current.htm, for known problems in the current release;
* if you wish, Changes.htm, for a detailed list of changes in the current
release;
* if you wish, History#.htm (currently History6.htm), for changes in
other releases.
------------------------------------------------------------------------
What if I'm a developer?
If you are going to write a new driver for Ghostscript, you should read
* the guide to the Ghostscript source code
* the interface between Ghostscript and device drivers
* about the external font interface between Ghostscript and
platform-supplied fonts (but read about drivers in general first)
If you are considering distributing Ghostscript (either AFPL or GNU
versions) in conjunction with a commercial product, you should read the
license carefully, and you should also read
* additional clarification of the circumstances under which Ghostscript
can be distributed with a commercial product
If you intend to use Ghostscript in the form of a dynamic link library (DLL)
under OS/2 or Microsoft Windows, read
* documentation on Ghostscript as a DLL
If you want to use Ghostscript as part of another program -- as a callable
PostScript language interpreter -- and not as a DLL or as a self-contained
executable application, you should begin by reading
* the source file imain.h, the documented API for Ghostscript not as a
DLL
or if you are going to use only the Ghostscript graphics library,
* about the structure of the Ghostscript library and its interfaces
------------------------------------------------------------------------
What if I'm writing documentation?
If you are editing or adding to Ghostscript's existing documentation in HTML
format, or writing a new document, you should read
* the coding and style guidelines for Ghostscript's HTML-based
documentation.
------------------------------------------------------------------------
Presence on the World Wide Web
Ghostscript's home page
Ghostscript has a home page on the World Wide Web with helpful information
such as the FAQ (Frequently Asked Questions) and a list of known problems
and workarounds for the current AFPL Ghostscript release (in the "Obtaining"
file for that release):
http://www.cs.wisc.edu/~ghost/
More material about Ghostscript can be found at
http://www.ghostscript.com/
Adobe PostScript, Encapsulated PostScript, and PDF reference documentation
Adobe makes a wealth of technical documentation available over the Web,
including the PostScript Language Reference Manual (Third Edition); the
Encapsulated PostScript (EPS) Format Specification version 3, including
Encapsulated PostScript Interchange (EPSI) format; the PDF 1.3
specification; and the pdfmark and Acrobat Distiller parameters
documentation. Some of these documents are also available at Adobe's ftp
site, but not necessarily under the same filenames.
Other material on the WWW
Much other material about Ghostscript is available on the World Wide Web,
both as web pages and as archived Usenet and mailing list discussions. Use
the well-known search engines to find such material.
There is a good manual for Ghostscript available in PDF form, in English and
German (and soon in Japanese), at:
http://www.pdflib.com/gsmanual
There is a translation of the Ghostscript 'man' pages into Czech at:
http://www.volny.cz/rebus/ghostscript
------------------------------------------------------------------------
Which document contains what?
Here is the list in alphabetic order of Ghostscript documentation, with
explanations of the contents.
Bug-form.htm
A form to fill out and a-meil to report a problem with AFPL Ghostscript
-- but remember that Ghostscript comes with NO WARRANTY and NO SUPPORT.
Please read the instructions before reporting a bug.
Bug-info.htm
Information about how to report problems with AFPL Ghostscript -- but
remember that Ghostscript comes with NO WARRANTY and NO SUPPORT. Please
read this before reporting a problem.
C-style.htm
Guidelines and style for C coding, which you should follow if, for
example, you write a new driver or add or change something in
Ghostscript. For developers.
Changes.htm
A detailed list of all code changes in the current release or
pre-release, generated mechanically from the CVS logs. For developers.
Commprod.htm
The conditions under which Ghostscript may be distributed in a
commercial context. See also the Aladdin Free Public License.
Copying.htm
A reminder that AFPL Ghostscript is governed NOT by the Free Software
Foundation's GNU General Public License but by the Aladdin Free Public
License.
Current.htm
Information specifically about the current release of Ghostscript. See
also the latest news of changes.
DLL.htm
On OS/2, MS Windows-16 and MS Windows-32 platforms, Ghostscript is
compiled as a dynamic link library (DLL). This describes how to use it.
For developers.
Devices.htm
Detailed information about some specific devices for which Ghostscript
can produce output. Run "gs -h" to see which devices a particular
version of Ghostscript is built to use.
Drivers.htm
Describes the interface between Ghostscript and device drivers. If you
do this, you should also read and use the C style and coding
guidelines. Necessary to develop a new driver. For developers.
Fonts.htm
All about fonts freely available for Ghostscript, and how to add and
use new fonts. Also describes how to use Ghostscript fonts as X Windows
fonts. For both users and developers.
Helpers.htm
A note of thanks to people who have helped in the development of
Ghostscript.
Hershey.htm
Part 1 of the five-part original Usenet distribution of the free
Hershey fonts, giving the terms of use and describing their encoding.
History*.htm
The history of changes in all Ghostscript releases:
History6.htm for Ghostscript versions 6.n
History5.htm for Ghostscript versions 5.n
History4.htm for Ghostscript versions 4.n
History3.htm for Ghostscript versions 3.n
History2.htm for Ghostscript versions 2.n
History1.htm for Ghostscript versions 1.n
Htmstyle.htm
The guidelines and style for HTML coding of Ghostscript's
documentation, which you should follow if, for example, you change
existing HTML documentation or write new documents. For writers and
editors.
Humor.htm
Another Ghostscript interpreter.
Install.htm
How to install Ghostscript. See also how to build it.
Language.htm
The relationship between the Ghostscript interpreter and the PostScript
language as defined by Adobe.
Lib.htm
A description of the Ghostscript library, a set of procedures to
implement the graphics and filtering capabilities that are primitive
operations in the PostScript language and in Adobe Portable Document
Format (PDF). For developers.
Maintain.htm
Assorted Ghostscript maintenance procedures. For developers.
Make.htm
How to build Ghostscript executables from the source code. See also how
to install it. It's not necessary to be a highly experienced developer
to build or install Ghostscript, but some experience is needed.
New-user.htm
Essential information for new users of Ghostscript.
News.htm
A brief description of the latest release or pre-release of
Ghostscript, and a list of any incompatible changes in it. Changes in
older releases are described in the history files "History*.htm", which
are usually installed in the documentation directory. Run "gs -h" to
see where that is.
Projects.htm
A list of Ghostscript development projects with which we would like
help.
Ps2epsi.htm
Detailed information on how to use Ghostscript through ps2epsi to
convert PostScript to Adobe Encapsulated PostScript Interchange (EPSI)
format.
Ps2pdf.htm
Detailed information on how to use Ghostscript through ps2pdf to
convert PostScript to Adobe Portable Document Format (PDF).
Psfiles.htm
A description of the PostScript files (other than font files)
distributed with Ghostscript, including initialization routines,
utility programs, and sample printable files.
Public.htm
The Aladdin Free Public License, which states the conditions for using
and redistributing AFPL Ghostscript.
Readme.htm
This document.
Release.htm
A description of how to prepare and test a Ghostscript release. Of
interest only to developers who want to create new Ghostscript versions
for distribution.
Source.htm
A guide to the Ghostscript source code, for development and debugging.
Tester.htm
A short questionnaire to fill out if you would like to be notified of
new tester / beta releases.
Unix-lpr.htm
How to set up Ghostscript as a Unix lpr filter.
Use.htm
Detailed instructions on how to use Ghostscript, including such matters
as designating an output device; choosing a default paper size; how
Ghostscript finds files, including font files; how it uses environment
variables; notes on specific platforms, including the X Window System;
and command-line options.
Xfonts.htm
Ghostscript's external font interface to a host platform's
font-rendering mechanism, for developers.
------------------------------------------------------------------------
Copyright ⌐ 1996, 2000 Aladdin Enterprises. All rights reserved.
This file is part of AFPL Ghostscript. See the Aladdin Free Public License
(the "License") for full details of the terms of using, copying, modifying,
and redistributing AFPL Ghostscript.
Ghostscript version 6.32, 27 November 2000