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Annotated edit history of ppmqvga(1) version 1, including all changes. View license author blame.
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1 perry 1 PPMQVGA
2 !!!PPMQVGA
3 NAME
4 SYNOPSIS
5 DESCRIPTION
6 EXAMPLES
7 SEE ALSO
8 DIAGNOSTICS
9 LIMITATIONS
10 AUTHOR
11 Copyright
12 ----
13 !!NAME
14
15
16 ppmqvga - 8 plane quantization
17 !!SYNOPSIS
18
19
20 ppmqvga [[ options ] [[ input file ]
21 !!DESCRIPTION
22
23
24 __ppmqvga__ quantizes PPM files to 8 planes, with
25 optional Floyd-Steinberg dithering. Input is a PPM file from
26 the file named, or standard input of no file is
27 provided.
28
29
30 __Options__
31
32
33 __-d__ dither. Apply Floyd-Steinberg dithering to the
34 data
35
36
37 __-q__ quiet. Produces no progress reporting, and no
38 terminal output unless and error occurs.
39
40
41 __-v__ verbose. Produces additional output describing the
42 number of colors found, and some information on the
43 resulting mapping. May be repeated to generate loads of
44 internal table output, but generally only useful
45 once.
46 !!EXAMPLES
47
48
49 ppmqvga -d my_image.ppm | ppmtogif
50
51
52 tgatoppm zombie.tga | ppmqvga | ppmtotif
53 !!SEE ALSO
54
55
56 ppmquant
57 !!DIAGNOSTICS
58
59
60 Error messages if problems, various levels of optional
61 progress reporting.
62 !!LIMITATIONS
63
64
65 none known.
66 !!AUTHOR
67
68
69 Original by Lyle Rains (lrains@netcom.com) as ppmq256 and
70 ppmq256fs combined, documented, and enhanced by Bill
71 Davidsen (davidsen@crd.ge.com)
72 !!Copyright
73
74
75 Copyright 1991,1992 by Bill Davidsen, all rights reserved.
76 The program and documentation may be freely distributed by
77 anyone in source or binary format. Please clearly note any
78 changes.
79 ----
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