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1 '\" t
2 .\" Title: gif2rgb
3 .\" Author: [see the "Author" section]
4 .\" Generator: DocBook XSL Stylesheets vsnapshot <http://docbook.sf.net/>
5 .\" Date: 2 May 2012
6 .\" Manual: GIFLIB Documentation
7 .\" Source: GIFLIB
8 .\" Language: English
9 .\"
10 .TH "GIF2RGB" "1" "2 May 2012" "GIFLIB" "GIFLIB Documentation"
11 .\" -----------------------------------------------------------------
12 .\" * Define some portability stuff
13 .\" -----------------------------------------------------------------
14 .\" ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
15 .\" http://bugs.debian.org/507673
16 .\" http://lists.gnu.org/archive/html/groff/2009-02/msg00013.html
17 .\" ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
18 .ie \n(.g .ds Aq \(aq
19 .el .ds Aq '
20 .\" -----------------------------------------------------------------
21 .\" * set default formatting
22 .\" -----------------------------------------------------------------
23 .\" disable hyphenation
24 .nh
25 .\" disable justification (adjust text to left margin only)
26 .ad l
27 .\" -----------------------------------------------------------------
28 .\" * MAIN CONTENT STARTS HERE *
29 .\" -----------------------------------------------------------------
30 .SH "NAME"
31 gif2rgb \- convert images saved as GIF to 24\-bit RGB triplets
32 .SH "SYNOPSIS"
33 .HP \w'\fBgif2rgb\fR\ 'u
34 \fBgif2rgb\fR [\-v] [\-1] [\-c\ \fIcolors\fR] [\-s\ \fIwidth\fR\ \fIheight\fR] [\-o\ \fIoutfile\fR] [\-h] [\fIgif\-file\fR]
35 .SH "OPTIONS"
36 .PP
37 \-v
38 .RS 4
39 Verbose mode (show progress)\&. Enables printout of running scan lines\&.
40 .RE
41 .PP
42 \-1
43 .RS 4
44 Only one file in the format of RGBRGB\&.\&.\&. triplets (Each of R, G,B is a byte) is being read or written\&. This file size is 3 * Width * Height\&. If stdin is used for input or stdout for output, this option is implicitly applied\&. The default (if not `\-1\*(Aq) is 3 files with the names OutFileName\&.R, OutFileName\&.G, OutFileName\&.B, each of which is Width * Height bytes\&.
45 .RE
46 .PP
47 \-c colors
48 .RS 4
49 Specifies number of colors to use in RGB\-to\-GIF conversions, in bits per pixels, so \*(Aq\-c 8\*(Aq actually specifies 256 colors (maximum and default)\&.
50 .RE
51 .PP
52 \-s width height
53 .RS 4
54 Sets RGB\-to\-GIF conversion mode and specifies the size of the image to read\&.
55 .RE
56 .PP
57 \-o
58 .RS 4
59 specifies the name of the out file (see also `\-1\*(Aq above)\&.
60 .RE
61 .PP
62 \-h
63 .RS 4
64 Print one line of command line help, similar to Usage above\&.
65 .RE
66 .PP
67 By default, convert a GIF input file to RGB triplets\&. If \-s is specified, convert RGB input to a GIF\&.
68 .PP
69 If no input file is given, gif2rgb will try to read data from stdin\&.
70 .SH "BUGS"
71 .PP
72 Feeding this utility a GIF with an invalid colormap, or other kinds of malformations, index will produce invalid output and may core\-dump the tool\&. Don\*(Aqt do that\&.
73 .SH "AUTHOR"
74 .PP
75 Gershon Elber\&.