source: general/graphlib/libungif.xml@ e77976f

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Last change on this file since e77976f was e77976f, checked in by Randy McMurchy <randy@…>, 18 years ago

Changed all the references to X Window System links to a common entity displayed as 'X Window System' - now if there is ever an addition or removal of one of the X packages, an update in only one place will be required

git-svn-id: svn://svn.linuxfromscratch.org/BLFS/trunk/BOOK@5825 af4574ff-66df-0310-9fd7-8a98e5e911e0

  • Property mode set to 100644
File size: 15.3 KB
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1<?xml version="1.0" encoding="ISO-8859-1"?>
2<!DOCTYPE sect1 PUBLIC "-//OASIS//DTD DocBook XML V4.4//EN"
3 "http://www.oasis-open.org/docbook/xml/4.4/docbookx.dtd" [
4 <!ENTITY % general-entities SYSTEM "../../general.ent">
5 %general-entities;
6
7 <!ENTITY libungif-download-http "http://prdownloads.sourceforge.net/libungif/libungif-&libungif-version;.tar.bz2">
8 <!ENTITY libungif-download-ftp " ">
9 <!ENTITY libungif-md5sum "8c198831cc0495596c78134b8849e9ad">
10 <!ENTITY libungif-size "430 KB">
11 <!ENTITY libungif-buildsize "6.2 MB">
12 <!ENTITY libungif-time "0.16 SBU">
13]>
14
15<sect1 id="libungif" xreflabel="libungif-&libungif-version;">
16 <?dbhtml filename="libungif.html"?>
17
18 <sect1info>
19 <othername>$LastChangedBy$</othername>
20 <date>$Date$</date>
21 <keywordset>
22 <keyword role="package">libungif-&libungif-version;.tar</keyword>
23 <keyword role="ftpdir">libungif</keyword>
24 </keywordset>
25 </sect1info>
26
27 <title>Libungif-&libungif-version;</title>
28
29 <indexterm zone="libungif">
30 <primary sortas="a-Libungif">Libungif</primary>
31 </indexterm>
32
33 <sect2 role="package">
34 <title>Introduction to Libungif</title>
35
36 <para>The <application>libungif</application> package contains libraries
37 for reading all GIFs and writing non-compressed ones as well as programs
38 for converting and working with GIF files. The libraries are useful for any
39 graphics program wishing to deal with GIF files while the programs are useful
40 for conversion purposes as well as cleaning up images.</para>
41
42 <para>The reason <application>libungif</application> only writes non-compressed
43 GIFs is due to a legal issue with LZW compression (which Unisys claimed a patent
44 on). Reading GIFs is not a problem as the decompression routines do not seem to
45 be limited in this way. Note that this has in the past been disputed. The best way to
46 avoid this whole mess is to simply use <application>libungif</application> for
47 looking at GIF images on the web, while in any pages which you design, use the open
48 source PNG format instead (which uses, not surprisingly, the
49 <application>libpng</application> library) which has no patent issues at all.</para>
50
51 <bridgehead renderas="sect3">Package Information</bridgehead>
52 <itemizedlist spacing="compact">
53 <listitem>
54 <para>Download (HTTP): <ulink url="&libungif-download-http;"/></para>
55 </listitem>
56 <listitem>
57 <para>Download (FTP): <ulink url="&libungif-download-ftp;"/></para>
58 </listitem>
59 <listitem>
60 <para>Download MD5 sum: &libungif-md5sum;</para>
61 </listitem>
62 <listitem>
63 <para>Download size: &libungif-size;</para>
64 </listitem>
65 <listitem>
66 <para>Estimated disk space required: &libungif-buildsize;</para>
67 </listitem>
68 <listitem>
69 <para>Estimated build time: &libungif-time;</para>
70 </listitem>
71 </itemizedlist>
72
73 <bridgehead renderas="sect3">Libungif Dependencies</bridgehead>
74
75 <bridgehead renderas="sect4">Optional</bridgehead>
76 <para role="optional"><xref linkend="x-window-system"/></para>
77
78 </sect2>
79
80 <sect2 role='installation'>
81 <title>Installation of Libungif</title>
82
83 <para>Install <application>libungif</application> by running the following
84 commands:</para>
85
86<screen><userinput>./configure --prefix=/usr &amp;&amp;
87make</userinput></screen>
88
89 <para>This package does not come with a test suite.</para>
90
91 <para>Now, as the <systemitem class="username">root</systemitem> user:</para>
92
93<screen role="root"><userinput>make install &amp;&amp;
94install -v -m755 -d /usr/share/doc/libungif-&libungif-version;/html &amp;&amp;
95install -v -m644 doc/*.{png,html} \
96 /usr/share/doc/libungif-&libungif-version;/html &amp;&amp;
97install -v -m644 doc/*.txt \
98 /usr/share/doc/libungif-&libungif-version;</userinput></screen>
99
100 </sect2>
101
102 <sect2 role="content">
103 <title>Contents</title>
104
105 <segmentedlist>
106 <segtitle>Installed Programs</segtitle>
107 <segtitle>Installed Library</segtitle>
108 <segtitle>Installed Directory</segtitle>
109
110 <seglistitem>
111 <seg>gif2epsn, gif2ps, gif2rgb, gif2x11, gifasm, gifbg, gifburst, gifclip,
112 gifclrmp, gifcolor, gifcomb, gifcompose, giffiltr, giffix, gifflip, gifhisto,
113 gifinfo, gifinter, gifinto, gifovly, gifpos, gifrotat, gifrsize, gifspnge, giftext,
114 gifwedge, icon2gif, raw2gif, rgb2gif, and text2gif</seg>
115 <seg>libungif.[so,a]</seg>
116 <seg>/usr/share/doc/libungif-&libungif-version;</seg>
117 </seglistitem>
118 </segmentedlist>
119
120 <variablelist>
121 <bridgehead renderas="sect3">Short Descriptions</bridgehead>
122 <?dbfo list-presentation="list"?>
123 <?dbhtml list-presentation="table"?>
124
125 <varlistentry id="gif2epsn-libungif">
126 <term><command>gif2epsn</command></term>
127 <listitem>
128 <para>dumps images saved as GIF files on Epson type printers.</para>
129 <indexterm zone="libungif gif2epsn-libungif">
130 <primary sortas="b-gif2epsn">gif2epsn</primary>
131 </indexterm>
132 </listitem>
133 </varlistentry>
134
135 <varlistentry id="gif2ps-libungif">
136 <term><command>gif2ps</command></term>
137 <listitem>
138 <para>print GIF files on laser printers supporting PostScript.</para>
139 <indexterm zone="libungif gif2ps-libungif">
140 <primary sortas="b-gif2ps">gif2ps</primary>
141 </indexterm>
142 </listitem>
143 </varlistentry>
144
145 <varlistentry id="gif2rgb-libungif">
146 <term><command>gif2rgb</command></term>
147 <listitem>
148 <para>convert images saved as GIF to 24-bit RGB image(s).</para>
149 <indexterm zone="libungif gif2rgb-libungif">
150 <primary sortas="b-gif2rgb">gif2rgb</primary>
151 </indexterm>
152 </listitem>
153 </varlistentry>
154
155 <varlistentry id="gif2x11-libungif">
156 <term><command>gif2x11</command></term>
157 <listitem>
158 <para>display images saved as GIF files under X Window System.</para>
159 <indexterm zone="libungif gif2x11-libungif">
160 <primary sortas="b-gif2x11">gif2x11</primary>
161 </indexterm>
162 </listitem>
163 </varlistentry>
164
165 <varlistentry id="gifasm-libungif">
166 <term><command>gifasm</command></term>
167 <listitem>
168 <para>assemble multiple GIFs into one, or burst a multiple-image GIF.</para>
169 <indexterm zone="libungif gifasm-libungif">
170 <primary sortas="b-gifasm">gifasm</primary>
171 </indexterm>
172 </listitem>
173 </varlistentry>
174
175 <varlistentry id="gifbg-libungif">
176 <term><command>gifbg</command></term>
177 <listitem>
178 <para>generate a single-color test pattern GIF.</para>
179 <indexterm zone="libungif gifbg-libungif">
180 <primary sortas="b-gifbg">gifbg</primary>
181 </indexterm>
182 </listitem>
183 </varlistentry>
184
185 <varlistentry id="gifburst-libungif">
186 <term><command>gifburst</command></term>
187 <listitem>
188 <para>burst a GIF image into subrectangles.</para>
189 <indexterm zone="libungif gifburst-libungif">
190 <primary sortas="b-gifburst">gifburst</primary>
191 </indexterm>
192 </listitem>
193 </varlistentry>
194
195 <varlistentry id="gifclip-libungif">
196 <term><command>gifclip</command></term>
197 <listitem>
198 <para>clip or crop a GIF image.</para>
199 <indexterm zone="libungif gifclip-libungif">
200 <primary sortas="b-gifclip">gifclip</primary>
201 </indexterm>
202 </listitem>
203 </varlistentry>
204
205 <varlistentry id="gifclrmp-libungif">
206 <term><command>gifclrmp</command></term>
207 <listitem>
208 <para>modify GIF image colormaps.</para>
209 <indexterm zone="libungif gifclrmp-libungif">
210 <primary sortas="b-gifclrmp">gifclrmp</primary>
211 </indexterm>
212 </listitem>
213 </varlistentry>
214
215 <varlistentry id="gifcolor-libungif">
216 <term><command>gifcolor</command></term>
217 <listitem>
218 <para>generate color test patterns.</para>
219 <indexterm zone="libungif gifcolor-libungif">
220 <primary sortas="b-gifcolor">gifcolor</primary>
221 </indexterm>
222 </listitem>
223 </varlistentry>
224
225 <varlistentry id="gifcomb-libungif">
226 <term><command>gifcomb</command></term>
227 <listitem>
228 <para>combine 2 GIF images of exactly the same size into one.</para>
229 <indexterm zone="libungif gifcomb-libungif">
230 <primary sortas="b-gifcomb">gifcomb</primary>
231 </indexterm>
232 </listitem>
233 </varlistentry>
234
235 <varlistentry id="gifcompose-libungif">
236 <term><command>gifcompose</command></term>
237 <listitem>
238 <para>use (un)giflib tools to compose images.</para>
239 <indexterm zone="libungif gifcompose-libungif">
240 <primary sortas="b-gifcompose">gifcompose</primary>
241 </indexterm>
242 </listitem>
243 </varlistentry>
244
245 <varlistentry id="giffiltr-libungif">
246 <term><command>giffiltr</command></term>
247 <listitem>
248 <para>template code for filtering a GIF sequentially.</para>
249 <indexterm zone="libungif giffiltr-libungif">
250 <primary sortas="b-giffiltr">giffiltr</primary>
251 </indexterm>
252 </listitem>
253 </varlistentry>
254
255 <varlistentry id="giffix-libungif">
256 <term><command>giffix</command></term>
257 <listitem>
258 <para>clumsily attempts to fix truncated GIF images.</para>
259 <indexterm zone="libungif giffix-libungif">
260 <primary sortas="b-giffix">giffix</primary>
261 </indexterm>
262 </listitem>
263 </varlistentry>
264
265 <varlistentry id="gifflip-libungif">
266 <term><command>gifflip</command></term>
267 <listitem>
268 <para>flip GIF image along X or Y axis or rotate by 90 degrees.</para>
269 <indexterm zone="libungif gifflip-libungif">
270 <primary sortas="b-gifflip">gifflip</primary>
271 </indexterm>
272 </listitem>
273 </varlistentry>
274
275 <varlistentry id="gifhisto-libungif">
276 <term><command>gifhisto</command></term>
277 <listitem>
278 <para>generate color-frequency histogram from a GIF.</para>
279 <indexterm zone="libungif gifhisto-libungif">
280 <primary sortas="b-gifhisto">gifhisto</primary>
281 </indexterm>
282 </listitem>
283 </varlistentry>
284
285 <varlistentry id="gifinfo-libungif">
286 <term><command>gifinfo</command></term>
287 <listitem>
288 <para>gives information on a GIF file.</para>
289 <indexterm zone="libungif gifinfo-libungif">
290 <primary sortas="b-gifinfo">gifinfo</primary>
291 </indexterm>
292 </listitem>
293 </varlistentry>
294
295 <varlistentry id="gifinter-libungif">
296 <term><command>gifinter</command></term>
297 <listitem>
298 <para>convert between interlaced and non-interlaced images.</para>
299 <indexterm zone="libungif gifinter-libungif">
300 <primary sortas="b-gifinter">gifinter</primary>
301 </indexterm>
302 </listitem>
303 </varlistentry>
304
305 <varlistentry id="gifinto-libungif">
306 <term><command>gifinto</command></term>
307 <listitem>
308 <para>end-of-pipe fitting for GIF-processing pipelines.</para>
309 <indexterm zone="libungif gifinto-libungif">
310 <primary sortas="b-gifinto">gifinto</primary>
311 </indexterm>
312 </listitem>
313 </varlistentry>
314
315 <varlistentry id="gifovly-libungif">
316 <term><command>gifo-libungifvly</command></term>
317 <listitem>
318 <para>generate one composite GIF from a multiple-image GIF.</para>
319 <indexterm zone="libungif gifovly-libungif">
320 <primary sortas="b-gifovly">gifovly</primary>
321 </indexterm>
322 </listitem>
323 </varlistentry>
324
325 <varlistentry id="gifpos-libungif">
326 <term><command>gifpos</command></term>
327 <listitem>
328 <para>change a GIF's screen size or recondition it.</para>
329 <indexterm zone="libungif gifpos-libungif">
330 <primary sortas="b-gifpos">gifpos</primary>
331 </indexterm>
332 </listitem>
333 </varlistentry>
334
335 <varlistentry id="gifrotat-libungif">
336 <term><command>gifrotat</command></term>
337 <listitem>
338 <para>rotate a GIF through any desired angle.</para>
339 <indexterm zone="libungif gifrotat-libungif">
340 <primary sortas="b-gifrotat">gifrotat</primary>
341 </indexterm>
342 </listitem>
343 </varlistentry>
344
345 <varlistentry id="gifrsize-libungif">
346 <term><command>gifrsize</command></term>
347 <listitem>
348 <para>resize a GIF by deletion or duplication of bits.</para>
349 <indexterm zone="libungif gifrsize-libungif">
350 <primary sortas="b-gifrsize">gifrsize</primary>
351 </indexterm>
352 </listitem>
353 </varlistentry>
354
355 <varlistentry id="gifspnge-libungif">
356 <term><command>gifspnge</command></term>
357 <listitem>
358 <para>template code for filtering a GIF with in-core operations.</para>
359 <indexterm zone="libungif gifspnge-libungif">
360 <primary sortas="b-gifspnge">gifspnge</primary>
361 </indexterm>
362 </listitem>
363 </varlistentry>
364
365 <varlistentry id="giftext-libungif">
366 <term><command>giftext</command></term>
367 <listitem>
368 <para>print (text only) general information about a GIF.</para>
369 <indexterm zone="libungif giftext-libungif">
370 <primary sortas="b-giftext">giftext</primary>
371 </indexterm>
372 </listitem>
373 </varlistentry>
374
375 <varlistentry id="gifwedge-libungif">
376 <term><command>gifwedge</command></term>
377 <listitem>
378 <para>create a test GIF image resembling a color monitor test pattern.</para>
379 <indexterm zone="libungif gifwedge-libungif">
380 <primary sortas="b-gifwedge">gifwedge</primary>
381 </indexterm>
382 </listitem>
383 </varlistentry>
384
385 <varlistentry id="icon2gif-libungif">
386 <term><command>icon2gif</command></term>
387 <listitem>
388 <para>converter/deconverter to/from an editable text format.</para>
389 <indexterm zone="libungif icon2gif-libungif">
390 <primary sortas="b-icon2gif">icon2gif</primary>
391 </indexterm>
392 </listitem>
393 </varlistentry>
394
395 <varlistentry id="raw2gif-libungif">
396 <term><command>raw2gif</command></term>
397 <listitem>
398 <para>convert raw 8-bit image data into GIF files.</para>
399 <indexterm zone="libungif raw2gif-libungif">
400 <primary sortas="b-raw2gif">raw2gif</primary>
401 </indexterm>
402 </listitem>
403 </varlistentry>
404
405 <varlistentry id="rgb2gif-libungif">
406 <term><command>rgb2gif</command></term>
407 <listitem>
408 <para>convert 24 bit images to a GIF image using color quantization.</para>
409 <indexterm zone="libungif rgb2gif-libungif">
410 <primary sortas="b-rgb2gif">rgb2gif</primary>
411 </indexterm>
412 </listitem>
413 </varlistentry>
414
415 <varlistentry id="text2gif-libungif">
416 <term><command>text2gif</command></term>
417 <listitem>
418 <para>generate GIF images out of regular text in 8x8 font.</para>
419 <indexterm zone="libungif text2gif-libungif">
420 <primary sortas="b-text2gif">text2gif</primary>
421 </indexterm>
422 </listitem>
423 </varlistentry>
424
425 </variablelist>
426
427 </sect2>
428
429</sect1>
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