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<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
<html>
<head>
<title>Recent changes in Ghostscript</title>
<!-- $Id$ -->
<!-- Originally: NEWS -->
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WARNING: do not use Pete Kaiser's emacs function "gs-toc" alone to
re-create the table of contents here, because it will replace the
hand-edited TOC subheads with a separate subhead for each H2 in
the body of the file. Or if you do, first look at the original
TOC to see how to edit it for visual conciseness.
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<link rel="stylesheet" type="text/css" href="gs.css">
</head>
<body>
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<h1>Changes in the most recent release of Ghostscript</h1>
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<p>
This document is news about the most recent Ghostscript release. For
earlier versions, see the history documents:
<blockquote>
<a href="History7.htm">History of Ghostscript versions 7.n</a><br>
<a href="History6.htm">History of Ghostscript versions 6.n</a><br>
<a href="History5.htm">History of Ghostscript versions 5.n</a><br>
<a href="History4.htm">History of Ghostscript versions 4.n</a><br>
<a href="History3.htm">History of Ghostscript versions 3.n</a><br>
<a href="History2.htm">History of Ghostscript versions 2.n</a><br>
<a href="History1.htm">History of Ghostscript versions 1.n</a>
</blockquote>
<p>For other information, see the <a href="Readme.htm">Ghostscript
overview</a>.
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<hr>
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<h3><a name="Version7.30"></a>Version 7.30 (2002-09-07)</h3>
<p>
This is an alpha testing release of the new DeviceN
implementation. In addition, there have been numerous bug fixes and
further cleanup in the pdfwrite device.
<p>
Unfortunately, documentation for the DeviceN changes was not available
in time for this release.
<p>
The following SourceForge bug numbers were open at the time of the last release:
405342,
407342,
414947,
414985,
423838,
434277,
446344,
446672,
458261,
458775,
458780,
459647,
465720,
465936,
468762,
484752,
484753,
485510,
487953,
493348,
495319,
505429,
508081,
509646,
510808,
513905,
517349,
526099,
526491,
528647,
530011,
530588,
533467,
535366,
535752,
535836,
538033,
538428,
542848,
543185,
546823,
552989,
554076,
557177,
558151,
558435,
560508,
562103,
563287,
567421,
567487,
567487,
567604,
567773,
569573,
570772,
572119,
573744,
576591,
578838,
578865,
580029,
582471,
583413,
584990,
590979,
591768,
592160,
592164,
592833,
592837,
592841,
592925,
592930,
594291,
594582,
595375,
595378,
595760,
596009,
596228,
596284,
596394,
598014,
598746,
600281,
600288,
600855,
601255,
601336,
601694,
601704,
602016,
602739,
602995,
603003,
603157,
603577,
603689,
603934,
604884
604886,
605200,
605830.
<p>
In addition, a significant number of regressions remain. See the <a
href="http://www.ghostscript.com/pipermail/gs-regression/2002-September/thread.html">archives</>
of the regression report for more details.
<h3><a name="7.30_Incompatible_changes"></a>Incompatible changes</h3>
<p>
A number of DeviceN changes can cause incompatibility. They are
summarized below.
<pre>
* gx_color_index may now be 32 or 64 bits, determined at compile time.
* The gx_device_color_info field has been updated to include
significantly more information about the encoding from colors in the
process color model to gx_color_index colors. New fields include:
polarity, gray_index, separable_and_linear, comp_shift, and comp_bits.
Devices are strongly encouraged to set these new fields correctly.
See gxdevcli.h for more information.
* Some existing device procedures for color mapping have changed.
map_rgb_color now takes a cv[] array rather than separate red, green,
and blue scalar color values, and similarly for map_cmyk_color.
* New device procedures: get_color_mapping_procs, get_color_comp_index,
encode_color, decode_color. These device procedures are required for
devices defining additional colorant planes, and may be desirable for
finer control over color mapping. See gxdevcli.h and gxcmap.c for
more information.
</pre>
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<hr>
<p>
Copyright © 2002 artofcode LLC. All rights
reserved.
<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 the license contained in the file LICENSE in this distribution.
For more information about licensing, please refer to
http://www.ghostscript.com/licensing/. For information on
commercial licensing, go to http://www.artifex.com/licensing/ or
contact Artifex Software, Inc., 101 Lucas Valley Road #110,
San Rafael, CA 94903, U.S.A., +1(415)492-9861.
<p>
<small>Ghostscript version 7.30, 7 September 2002
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</body>
</html>
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