1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
|
<!doctype html>
<html>
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<link href="https://fonts.googleapis.com/css?family=Source+Sans+Pro" rel="stylesheet">
<link rel="shortcut icon" type="image/png" href="../../images/favicon.png">
<title>Ghostscript: What Is Ghostscript?</title>
<link href="style.css" rel="stylesheet" type="text/css">
<link href="gs-style.css" rel="stylesheet" type="text/css">
</head>
<body>
<div class="header">
<div class="row">
<div class="col-lt-6 logo"><a href="https://www.ghostscript.com/"><img src="images/ghostscript_logo.png" width="108" height="119" alt=""></a></div>
<div class="col-6"><div class="row"><div class="artifexlogo"><a href="https://artifex.com" target="_blank"><img src="images/Artifex_logo.png" width="194" height="40" alt=""></a></div>
<div class="col-12"><div class="button button1"><a href="https://artifex.com/contact-us/" title="Contact Us" target="_blank">Contact Us</a></div>
<div class="button button2 hidden-xs"><a href="https://www.ghostscript.com/download.html" title="Download">Download</a></div></div></div>
</div>
</div>
</div>
<div class="banner">
<div class="row">
<div class="col-12"> What is Ghostscript?</div>
</div>
</div>
<div class="main">
<div class="row">
<div id="sidebar">
<div class="sidebar-item"></div>
<div class="col-2 leftnav">
<ul>
<li><a href="https://www.ghostscript.com/">Home</a></li>
<li><a href="https://www.ghostscript.com/license.html">Licensing</a></li>
<li><a href="https://www.ghostscript.com/releases.html">Releases</a></li>
<li><a href="https://www.ghostscript.com/release_history.html">Release History</a></li>
<li><a href="https://www.ghostscript.com/documentation.html" title="Documentation">Documentation</a></li>
<li><a href="https://www.ghostscript.com/download.html" title="Download">Download</a></li>
<li><a href="https://www.ghostscript.com/performance.html" title="Performance">Performance</a></li>
<li><a href="http://jbig2dec.com/" title="jbig2dec">jbig2dec</a></li>
<li><a href="http://git.ghostscript.com/?p=ghostpdl.git;a=summary">Source</a></li>
<li><a href="http://bugs.ghostscript.com/">Bugs</a></li>
<li><a href="https://www.ghostscript.com/faq.html" title="FAQ">FAQ</a></li>
</ul>
</div>
</div>
<div class="col-10 page">
<!--START EDITING HERE-->
<p>
There are various different products in the Ghostscript family; this document
attempts to explain what they are, and how they are related.
<!-- [1.3 end hint] ======================================================== -->
<hr>
<!-- [1.2 begin table of contents] ========================================= -->
<h2>Table of contents</h2>
<blockquote><ul>
<li><a href="#Ghostscript">What is Ghostscript?</a>
<li><a href="#GhostPDF">What is GhostPDF?</a>
<li><a href="#GhostPCL">What is GhostPCL?</a>
<li><a href="#GhostXPS">What is GhostXPS?</a>
<li><a href="#GhostPDL">What is GhostPDL?</a>
</ul></blockquote>
<!-- [1.2 end table of contents] =========================================== -->
<hr>
<!-- [1.0 end visible header] ============================================== -->
<!-- [2.0 begin contents] ================================================== -->
<h2><a name="Ghostscript"></a>What is Ghostscript?</h2>
<p>Ghostscript is an interpreter for <a href="http://en.wikipedia.org/wiki/PostScript">PostScript</a><a href="#foot1">™</a> and <a href="http://en.wikipedia.org/wiki/Portable_Document_Format">Portable Document Format</a>
(PDF) files. It is available both under the <a href="http://www.gnu.org/licenses/agpl-3.0.html">GNU GPL Affero license</a>
and for <a href="http://www.artifex.com/page/licensing-information.html">commercial licensing</a>
from <a href="http://www.artifex.com.">Artifex</a>. It has been under active
development for over 20 years and has been ported to many different systems
during this time.
<p>Ghostscript consists of a PostScript interpreter layer, and a graphics
library. Sometimes the Ghostscript graphics library is confusingly also referred
to simply as Ghostscript. Even more confusingly, sometimes people say Ghostscript
when they really mean GhostPDL.
<p>Binaries for Ghostscript for various systems can be downloaded from
<a href="http://www.ghostscript.com/download">www.ghostscript.com/download</a>. The
source code is included in both the Ghostscript and GhostPDL downloads from
the same site.
<hr>
<h2><a name="GhostPDF"></a>What is GhostPDF?</h2>
<p>GhostPDF is an interpreter built on top of Ghostscript that handles PDF files.
Currently GhostPDF relies on extensions to the PostScript language/imaging model,
and so cannot be used independently of the Ghostscript PostScript interpreter
component. As such GhostPDF is an umbrella term used to refer to both these
extensions and the interpreter code.
<p>Many people (including the authors) frequently just refer to Ghostscript
as supporting PDF and only specifically mention GhostPDF when wanting to make
the distinction between the PostScript and PDF support.
<p>GhostPDF is included in the Ghostscript binaries for various systems available
from <a href="http://www.ghostscript.com/download">www.ghostscript.com/download</a>.
The source can be found in both the Ghostscript and GhostPDL downloads from
the same site.
<hr>
<h2><a name="GhostPCL"></a>What is GhostPCL?</h2>
<p>GhostPCL is an interpreter for PCL<a href="#foot2">™</a> and PXL files. This consists of an
PCL/PXL interpreter hooked up to the Ghostscript graphics library.
<p>GhostPCL is available both under the <a href="http://www.gnu.org/licenses/agpl-3.0.html">GNU Affero GPL license</a>
and for <a href="http://www.artifex.com/page/licesnsing-information.html">commercial licensing</a>
from <a href="http://www.artifex.com">Artifex</a>.
<p>Binaries for GhostPCL for various systems can be downloaded from
<a href="http://www.ghostscript.com/download">www.ghostscript.com/download</a>. The
source can be found in the GhostPCL/GhostPDL downloads from the same site.
<hr>
<h2><a name="GhostXPS"></a>What is GhostXPS?</h2>
<p>GhostXPS is an interpreter for XPS (XML Paper Specfication) files. This
consists of an XPS interpreter hooked up to the Ghostscript graphics library.
<p>GhostXPS is available both under the <a href="http://www.gnu.org/licenses/agpl-3.0.html">GNU Affero GPL license</a>
and for <a href="http://www.artifex.com/page/licesnsing-information.html">commercial licensing</a>
from <a href="http://www.artifex.com">Artifex</a>.
<p>Binaries for GhostXPS for various systems can be downloaded from
<a href="http://www.ghostscript.com/download">www.ghostscript.com/download</a>. The
source can be found in the GhostXPS/GhostPDL downloads from the same site.
<hr>
<h2><a name="GhostPDL"></a>What is GhostPDL?</h2>
<p>GhostPDL (Ghost Page Description Languages) is an umbrella term for all
the above technologies. As all the above interpreters are built upon a
single graphics library, there are size and portability benefits to using
two of more of the languages in a given project. A product that
includes more than one such language in a single binary and automatically
chooses between them is sometimes referred to as a "Language Switch" build.
<p>GhostPDL is available both under the <a href="http://www.gnu.org/licenses/agpl-3.0.html">GNU Affero GPL license</a>
and for <a href="http://www.artifex.com/page/licesnsing-information.html">commercial licensing</a>
from <a href="http://www.artifex.com">Artifex</a>.
<p>The source code for GhostPDL can be found on
<a href="http://www.ghostscript.com/download">www.ghostscript.com/download</a>.
<!-- [2.0 end contents] ==================================================== -->
<!-- [3.0 begin visible trailer] =========================================== -->
<hr>
<p><a name="foot1">PostScript</a> is a registered trademark of Adobe Systems Inc.
<p><a name="foot2">PCL</a> is a registered trademark of Hewlett-Packard Company.
<hr>
<p>
<small>Copyright © 2000-2020 Artifex Software, Inc. All rights reserved.</small>
<p>
This software is provided AS-IS with no warranty, either express or
implied.
This software is distributed under license and may not be copied, modified
or distributed except as expressly authorized under the terms of that
license. Refer to licensing information at <a href="https://www.artifex.com">https://www.artifex.com</a>
or contact Artifex Software, Inc., 1305 Grant Avenue - Suite 200,
Novato, CA 94945, U.S.A., +1(415)492-9861, for further information.
<p>
<small>Ghostscript version 9.53.0, 10 September 2020
<!-- [3.0 end visible trailer] ============================================= -->
<!--FINISH EDITING HERE-->
</div>
</div>
</div>
<div class="footer">
<div class="row">
<div class="col-7 footleft">
<ul>
<li><a href="https://artifex.com/contact-us/" target="blank">CONTACT US</a></li>
<li><a href="https://artifex.com/about-us/" target="blank">ABOUT</a></li>
<li><a href="https://ghostscript.com/security.html">SECURITY</a></li>
</ul>
</div>
<div class="col-1 footcenter">
<ul>
<li><a href="https://artifex.com/support/" target="blank">SUPPORT</a></li>
<li><a href="https://artifex.com/blog/artifex/" target="blank">BLOG</a></li>
<li><a href="https://artifex.com/privacy-policy/" target="blank">PRIVACY</a></li>
</ul>
</div>
<div class="col-ft-3 footright"><img src="images/Artifex_logo.png" width="194" height="40" alt=""/> <br>
© Copyright 2019 Artifex Software, Inc. <br>
All rights reserved.
</div>
</div>
</div>
<script src="http://cdnjs.cloudflare.com/ajax/libs/jquery/2.1.3/jquery.min.js"></script>
<script src="index.js"></script>
</body>
</html>
|
GitWeb