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comparison CSP2/CSP2_env/env-d9b9114564458d9d-741b3de822f2aaca6c6caa4325c4afce/share/man/man1/gifhisto.1 @ 68:5028fdace37b
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| author | jpayne |
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| date | Tue, 18 Mar 2025 16:23:26 -0400 |
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| 67:0e9998148a16 | 68:5028fdace37b |
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| 1 '\" t | |
| 2 .\" Title: gifhisto | |
| 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 "GIFHISTO" "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 gifhisto \- make a color histogram from GIF colr frequencies | |
| 32 .SH "SYNOPSIS" | |
| 33 .HP \w'\fBgifhisto\fR\ 'u | |
| 34 \fBgifhisto\fR [\-v] [\-t] [\-s\ \fIwidth\fR\ \fIheight\fR] [\-n\ \fIimage\-number\fR] [\-b] [\-h] [\fIgif\-file\fR] | |
| 35 .SH "DESCRIPTION" | |
| 36 .PP | |
| 37 A program to create histogram of number of pixels using each color\&. The output can be formatted into a GIF histogram file, or as text file \- both go to stdout\&. | |
| 38 .PP | |
| 39 If no GIF file is given, gifhisto will try to read a GIF file from stdin\&. | |
| 40 .SH "OPTIONS" | |
| 41 .PP | |
| 42 \-v | |
| 43 .RS 4 | |
| 44 Verbose mode (show progress)\&. Enables printout of running scan lines\&. | |
| 45 .RE | |
| 46 .PP | |
| 47 \-t | |
| 48 .RS 4 | |
| 49 Force output to be text file of the following form: (colormap size) lines each containing two integers: number of times color appeared, and color index\&. Lines are in increasing color index order\&. This output can be fed directly to a sort program if ordering by color frequency is desired\&. | |
| 50 .sp | |
| 51 The colormap picked is the one to be used for the image to generate histogram for, as defined in GIF format\&. | |
| 52 .RE | |
| 53 .PP | |
| 54 \-s width height | |
| 55 .RS 4 | |
| 56 Size of GIF histogram file\&. The height of the histogram should be power of 2 dividable by number of colors in colormap\&. | |
| 57 .sp | |
| 58 Width sets the resolution (accuracy if you like) of the histogram as the maximum histogram bar is scaled to fit it\&. | |
| 59 .RE | |
| 60 .PP | |
| 61 \-n image\-number | |
| 62 .RS 4 | |
| 63 Image number to test\&. Default is one\&. | |
| 64 .RE | |
| 65 .PP | |
| 66 \-b | |
| 67 .RS 4 | |
| 68 Zeros the background color count\&. As only linear scale bars are supported and usually the background appears much more often then other colors, deleting the background count will improve the scaling of other colors\&. | |
| 69 .RE | |
| 70 .PP | |
| 71 \-h | |
| 72 .RS 4 | |
| 73 Print one line of command line help, similar to Usage above\&. | |
| 74 .RE | |
| 75 .SH "AUTHOR" | |
| 76 .PP | |
| 77 Gershon Elber |