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Ghostscript
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please note:
- the content below is remote from Wikipedia
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factoids
TITLE=HISTORY OF GHOSTSCRIPT VERSIONS 1.N, 2007-04-10, | discontinued = | latest release version = 9.23WEB
,weblink
, GPL Ghostscript 9
, 2016-09-26
, Ghostscript
, Artifex Software, Inc.
, 2016-09-26
, WEB,weblink Overview of Ghostscript, ghostscript.com, C (programming language)>C| operating system = Cross-platformPostScript and Portable Document Format>PDF interpreter| license = Dual-licensed (GNU Affero General Public License + commercial permissive exception)ghostscript.com/}}}}Ghostscript is a suite of software based on an interpreter for Adobe Systems' PostScript and Portable Document Format (PDF) page description languages. Its main purposes are the rasterization or rendering of such page description languageWEB,weblink Ghostscript and the PostScript language, ghostscript.com, files, for the display or printing of document pages, and the conversion between PostScript and PDF files.WEB,weblink Open Life: The Philosophy of Open Source, Henrik, Ingo, 1 August 2006, Lulu.com, Google Books,

Features

Ghostscript can be used as a raster image processor (RIP) for raster computer printers—for instance, as an input filter of line printer daemon—or as the RIP engine behind PostScript and PDF viewers.Ghostscript can also be used as a file format converter, such as PostScript to PDF converter. The ps2pdf conversion program, which comes with the ghostscript distribution, is described by its documentation as a "work-alike for nearly all the functionality (but not the user interface) of Adobe's Acrobat Distiller product". This converter is basically a thin wrapper around ghostscript's pdfwrite output device, which supports PDF/A-1 and PDF/A-2 as well as PDF/X-3 output.WEB,weblink ps2pdf: PostScript-to-PDF converter, 2014-08-03, Ghostscript can also serve as the back-end for PDF to raster image (png, tiff, jpeg, etc.) converter; this is often combined with a PostScript printer driver in "virtual printer" PDF creators.WEB,weblink Creating a Free PDF Writer Using Ghostscript, www.stat.tamu.edu, 2017-06-02, {{citation needed|date=August 2014}}As it takes the form of a language interpreter, Ghostscript can also be used as a general purpose programming environment.Ghostscript has been ported to many operating systems, including Unix-like systems, classic Mac OS, OpenVMS, Microsoft Windows, Plan 9, MS-DOS, FreeDOS, OS/2, Atari TOS and AmigaOS.

History

Ghostscript was originally writtenWEB,weblink Recent changes in Ghostscript, pages.cs.wisc.edu, by L. Peter Deutsch for the GNU Project, and released under the GNU General Public License in 1986. Later, Deutsch formed Aladdin Enterprises to dual-license Ghostscript also under a proprietary license with an own development fork: "Aladdin Ghostscript" under the Aladdin Free Public LicenseGhostscript 5.50 license (mirror) (which, despite the name, is not a free software license, as it forbids commercial distribution) and "GNU Ghostscript" distributed with the GNU General Public License.WEB,weblink Background information for new users of Ghostscript, pages.cs.wisc.edu, With version 8.54 in 2006, both development branches were merged again, and dual-licensed releases were still provided.WEB,weblink Advogato: Blog for raph, 29 June 2017, bot: unknown,weblink" title="web.archive.org/web/20170629021353weblink">weblink 29 June 2017, Ghostscript leading edge is now GPL! Posted 7 Jun 2006 by raph "I have some great news to report. The leading edge of Ghostscript development is now under GPL license, as is the latest release, Ghostscript 8.54."Ghostscript is currently owned by Artifex Software and maintained by Artifex Software employees and the worldwide user community. According to Artifex, as of version 9.03, the commercial version of Ghostscript can no longer be freely distributed for commercial purposes without purchasing a license, though the (A)GPL variant allows commercial distribution provided all code using it is released under the (A)GPL.weblink" title="web.archive.org/web/20090220215621weblink"> Licensing Information IMPORTANT INFORMATION ABOUT DISTRIBUTING SOFTWARE FROM ARTIFEX "If your application, including all of its source code, is licensed to the public under the GNU GPL, you are authorized to ship GPL Ghostscript with your application under the terms of the GPL license agreement. You do not need a commercial license from Artifex." (archived) Artifex' point of view on "aggregated software" was challenged in court for MuPDF.Copyright infringement lawsuit filed against palm on webosnation.comWEB,weblink Complaint for Copyright Infringement, p.4 ¶15, p.6 ¶27, May 3, 2013, WEB,weblink Notice of Voluntary Dismissal With Prejudice, May 3, 2013, In February 2013, Ghostscript changed its license from GPLv3 to GNU AGPL,WEB,weblink Ghostscript 9.07 and GhostPDL 9.07, (dead url, archiv.is backup available)WEB,weblink Licensing Information, 2014-05-08, which raised license compatibility questions for example by Debian.WEB,weblink Re: Ghostscript licensing changed to AGPL, lists.debian.org,

Variants and forks

  • Aladdin Ghostscript 5.50 (1998-09-17) and 6.01 (2000–03-17)WEB,weblink Ghostscript, pages.cs.wisc.edu,
  • AFPL GhostscriptWEB,weblink Obtaining AFPL Ghostscript 8.54, pages.cs.wisc.edu, is Aladdin Ghostscript under the AFPL, 6.50 (2000-12-05) to 8.54 (2006-05-17), now abandoned.
  • AGPL Ghostscript is the canonical variant available, since February 2013, under the GNU Affero General Public License which is a free software license.
  • GNU Ghostscript is part of the GNU project and is now derived from GPL Ghostscript.
  • GPL Ghostscript is the basis for Display Ghostscript, which adds Display PostScript functionality support.
  • Ghostscript is the current commercial proprietary version licensed by Artifex Software for inclusion in closed-source products.
  • Ghost Trap is a variant of GPL Ghostscript secured and sandboxed using Google Chrome's sandbox technology.
  • ESP Ghostscript was a GPL Ghostscript fork for ESP's CUPS and merged with GPL Ghostscript.WEB,weblink Article 484: The Grand Unified Ghostscript Officially Released: GPL Ghostscript 8.60 - Common UNIX Printing System, yes,weblink" title="web.archive.org/web/20070927042528weblink">weblink 2007-09-27,

Front ends

{{Unreferenced section|date=May 2018}}Ghostscript GUIs view PostScript or PDF files on screens, scroll, page forward, page backward, zoom text, and print page(s).

Free fonts

There are several sets of free fonts supplied for Ghostscript, intended to be metrically compatible with common fonts attached with the PostScript standard.WEB,weblink Debian package - gsfonts, 2010-04-21, WEB,weblink Fonts and font facilities supplied with Ghostscript, 2010-04-21, WEB,weblink Linux fonts (mostly X11), 2009-08-15, 2010-04-21, These include:
  • 35 basic PostScript fonts contributed by URW++ Design and Development Incorporated, of Hamburg, Germany in 1996 under the GPL and AFPL.WEB, ArtifexSoftware, urw-base35-fonts,weblink GitHub, 25 March 2018, en, {{Citation |url=http://www.geocrawler.com/archives/3/378/1996/5/0/2064811/ |archiveurl=https://web.archive.org/web/20021023155414weblink |title=Finally! Good-quality free (GPL) basic-35 PostScript Type 1 fonts. |archivedate=2002-10-23 |accessdate=2010-05-06}}{{Citation |url=http://www.tug.org/fonts/deutsch-urw.txt |title=Finally! Good-quality free (GPL) basic-35 PostScript Type 1 fonts. |format=TXT |accessdate=2010-05-06}}WEB,weblink Fonts and TeX, 2009-12-19, 2010-05-06, {{citation |url=http://www.tug.org/TUGboat/Articles/tb29-1/tb91ludwichowski-fonts.pdf |format=PDF |title=Five years after: Report on international TEX font projects |year=2007 |accessdate=2010-05-06}} It is a full set fonts similar to the classic Adobe set: Bookman L (Bookman), Century Schoolbook L (New Century Schoolbook), Chancery L (Zapf Chancery), Dingbats (Zapf Dingbats), Gothic L (Avant Garde), Nimbus Mono L (Courier), Nimbus Roman No9 L (Times), Nimbus Sans L (Helvetica), Palladio L (Palatino), Standard Symbols L (Symbol), in Type1, TrueType, and OpenType formats.
  • The GhostPDL package (including Ghostscript as well as companion implementations of HP PCL and Microsoft XPS) includes additional fonts under the AFPL which bars commercial use.WEB, doc/pcl/urwfonts (URW fonts in TTF format),weblink ghostscript doc, 24 March 2018, WEB, GhostPDL License,weblink ghostscript doc, 21 November 2017, It includes URW++ versions of Garamond (Garamond No. 8), Optima (URW Classico), Arial (A030), Antique Olive, and Univers (U001), Clarendon,{{efn|Bold Condensed}} Coronet, Letter Gothic, as well as URW Mauritius{{efn|similar in style to the Postscript Marigold font but older}} and a modified form of Albertus known as A028. Combined with the base set, they represent a little more than half of the standard PostScript 3 font complement.
  • A miscellaneous set including Cyrillic, kana, and fonts derived from the free Hershey fonts, with improvements by Thomas Wolff (such as adding accented characters).
The Ghostscript fonts were developed in the PostScript Type 1 format but have been converted into the TrueType format, usable by most current software, and are popularly used within the open-source community. The Garamond font has additionally been improved upon.WEB, Bisson, Gaetan, URW Garamond ttf conversions,weblink 18 August 2015, URW's core 35 fonts have been subsequently incorporated into GNU FreeFont and TeX Gyre.WEB,weblink PDF, The New Font Project : TEX Gyre, Tug.org, 2015-06-12,

See also

Notes

{{notelist}}

References

{{Reflist}}

External links

{{Free and open source typography}}

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- time: 5:50am EDT - Mon, Jun 18 2018
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