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Annotated edit history of ximtoppm(1) version 1, including all changes. View license author blame.
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1 perry 1 ximtoppm
2 !!!ximtoppm
3 NAME
4 SYNOPSIS
5 DESCRIPTION
6 OPTIONS
7 SEE ALSO
8 AUTHOR
9 ----
10 !!NAME
11
12
13 ximtoppm - convert an Xim file into a portable pixmap
14 !!SYNOPSIS
15
16
17 __ximtoppm__
18 [[__--alphaout=__{''alpha-filename'',__-__}]
19 [[''ximfile'']
20 !!DESCRIPTION
21
22
23 Reads an Xim file as input. Produces a portable pixmap as
24 output. The Xim toolkit is included in the contrib tree of
25 the X.V11R4 release.
26 !!OPTIONS
27
28
29 __--alphaout=__''alpha-filename''
30
31
32 __ximtoppm__ creates a PGM (portable graymap) file
33 containing the alpha channel values in the input image. If
34 the input image doesn't contain an alpha channel, the
35 ''alpha-filename'' file contains all zero (transparent)
36 alpha values. If you don't specify __--alphaout__,
37 __ximtoppm__ does not generate an alpha file, and if the
38 input image has an alpha channel, __ximtoppm__ simply
39 discards it.
40
41
42 If you specify __-__ as the filename, __ximtoppm__
43 writes the alpha output to Standard Output and discards the
44 image.
45
46
47 Actually, an Xim image can contain an arbitrary fourth
48 channel -- it need not be an Alpha channel. __ximtoppm__
49 extracts any fourth channel it finds as described above; it
50 doesn't matter if it is an alpha channel or
51 not.
52
53
54 See pnmcomp(1) for one way to use the alpha output
55 file.
56
57
58 All options can be abbreviated to their shortest unique
59 prefix.
60 !!SEE ALSO
61
62
63 pnmcomp(1), ppm(5)
64 !!AUTHOR
65
66
67 Copyright (C) 1991 by Jef Poskanzer.
68 ----
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