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PSFILES.DOC
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1993-05-29
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Copyright (C) 1990, 1992, 1993 Aladdin Enterprises. All rights reserved.
This file is part of Ghostscript.
Ghostscript is distributed in the hope that it will be useful, but
WITHOUT ANY WARRANTY. No author or distributor accepts responsibility
to anyone for the consequences of using it or for whether it serves any
particular purpose or works at all, unless he says so in writing. Refer
to the Ghostscript General Public License for full details.
Everyone is granted permission to copy, modify and redistribute
Ghostscript, but only under the conditions described in the Ghostscript
General Public License. A copy of this license is supposed to have been
given to you along with Ghostscript so you can know your rights and
responsibilities. It should be in a file named COPYING. Among other
things, the copyright notice and this notice must be preserved on all
copies.
- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
This file, psfiles.doc, describes the .ps files distributed with
Ghostscript, other than fonts.
For an overview of Ghostscript and a list of the documentation files, see
README.
System files
------------
gs_init.ps - Ghostscript reads this automatically when it starts up. It
contains definitions of many standard procedures and initialization for a
wide variety of things.
gs_fonts.ps - gs_init.ps reads this in. It initializes Ghostscript's font
machinery and provides some utility procedures that work with fonts.
gs_statd.ps - gs_init.ps reads this in. It creates a dummy statusdict and
some other environmental odds and ends for the benefit of PostScript files
that really want to be printed on a LaserWriter.
gs_dps1.ps - gs_init.ps reads this in if the dps feature is included in
the configuration. It provides support for various Display PostScript and
Level 2 features.
gs_lev2.ps - gs_init.ps reads this in if the Ghostscript interpreter
includes Level 2 PostScript functions. It contains definitions of
procedures and miscellaneous initialization for the Level 2 functions.
gs_dbt_e.ps - the Dingbats encoding, loaded only if referenced.
gs_sym_e.ps - the Symbol encoding, loaded only if referenced.
gs_type0.ps - gs_init.ps reads this in if the Ghostscript interpreter
includes composite (Type 0) font capability.
Art
---
chess.ps - A black-and-white chessboard.
golfer.ps - A gray-scale picture of a stylishly dressed woman swinging a
golf club.
escher.ps - A colored version of a hexagonally symmetric Escher drawing of
interlocking butterflies. Can be printed on monochrome devices, with
somewhat less dramatic results.
cheq.ps - A chessboard "font" used by chess.ps (obtained from the Adobe
file server).
snowflak.ps - A rectangular grid of intricate colored snowflakes.
(Renders very slowly.)
colorcir.ps - A set of nested ellipses made up of colored bars.
tiger.ps - A dramatic colored picture of a tiger's head.
Utilities
---------
For more information on these utility programs, see the comments at the
beginning of the files. The ones marked with * have batch files or shell
scripts of the same name (e.g., bdftops, bdftops.bat) to invoke them
conveniently.
bench.ps - a file useful for running benchmarks.
* bdftops.ps - a utility for converting BDF fonts to outline form: see
fonts.doc for more information.
* gslp.ps - a utility for doing "line printing" of plain text files.
impath.ps - a utility for reconstructing outlines from bitmap images,
used by bdftops.
landscap.ps - a file that you can put in front of your own files to get
them rendered in landscape mode.
level1.ps - a file that turns off any Level 2 features.
prfont.ps - a utility to print a font catalog.
ps2ascii.ps - a utility for extracting the ASCII text from PostScript
source files. It redefines many operators. For more information,
see the comments in the file.
ps2epsi.ps - a utility for converting an arbitrary PostScript file
into EPSI form.
ps2image.ps - a utility for converting an arbitrary PostScript file into a
.ps file consisting of just PostScript bitmaps, one per page.
* pstoppm.ps - a utility for rendering PostScript files onto PPM (bitmap)
files.
quit.ps - a file containing just the word "quit".
showpage.ps - a file containing just the word "showpage".
waterfal.ps - a utility to print a "waterfall" of fonts at different
sizes.
Development tools
-----------------
decrypt.ps - a utility for decrypting the eexec section of a font.
markpath.ps - a utility for showing the points on a path.
mergeini.ps - a utility for merging all the initialization files into
a single file.
pcharstr.ps - a utility for printing out the CharStrings and Subrs in a
Type 1 font.
ppath.ps - a couple of utilities for printing out the current path, for
debugging.
traceop.ps - a utility for tracing uses of any procedure or operator
for debugging.
unprot.ps - a prologue to disable access checking.
winmaps.ps - a utility for creating mappings between the Adobe encodings
and the Microsoft Windows character sets.
wrfont.ps - a utility for writing out an unprotected Type 1 font, such as
the standard Ghostscript fonts.
Odds and ends
-------------
empty.ps - an empty file.
lines.ps - a test program for line joins and caps.
type1ops.ps - the Type 1 font format opcodes.