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| author | giraffedata <giraffedata@9d0c8265-081b-0410-96cb-a4ca84ce46f8> | 2019-01-07 04:11:31 +0000 |
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| committer | giraffedata <giraffedata@9d0c8265-081b-0410-96cb-a4ca84ce46f8> | 2019-01-07 04:11:31 +0000 |
| commit | 214ca4206eb4046a1fe7292c039569421b226eeb (patch) | |
| tree | bef0747cc4b517a0c2862509d80bb9e4851612e6 /pamenlarge.html | |
| parent | 6670c5d6e7380d253f286d79314f8f6b0aa90503 (diff) | |
| download | netpbm-mirror-214ca4206eb4046a1fe7292c039569421b226eeb.tar.gz netpbm-mirror-214ca4206eb4046a1fe7292c039569421b226eeb.tar.xz netpbm-mirror-214ca4206eb4046a1fe7292c039569421b226eeb.zip | |
miscellaneous update
git-svn-id: http://svn.code.sf.net/p/netpbm/code/userguide@3489 9d0c8265-081b-0410-96cb-a4ca84ce46f8
Diffstat (limited to 'pamenlarge.html')
| -rw-r--r-- | pamenlarge.html | 58 |
1 files changed, 54 insertions, 4 deletions
diff --git a/pamenlarge.html b/pamenlarge.html index bda0a3a4..9b90121f 100644 --- a/pamenlarge.html +++ b/pamenlarge.html @@ -2,7 +2,7 @@ <HTML><HEAD><TITLE>Pamenlarge User Manual</TITLE></HEAD> <BODY> <H1>pamenlarge</H1> -Updated: 17 March 2010 +Updated: 07 January 2019 <BR> <A HREF="#index">Table Of Contents</A> @@ -12,8 +12,15 @@ pamenlarge - Enlarge a Netpbm image N times <H2 id="synopsis">SYNOPSIS</H2> +<B>pamenlarge</B> +[<b>-scale=</b><i>integer</i>] +[<b>-xscale=</b><i>integer</i>] +[<b>-yscale=</b><i>integer</i>] +[<I>filename</I>] + <B>pamenlarge</B> <I>N</I> [<I>pnmfile</I>] + <H2 id="description">DESCRIPTION</H2> <p>This program is part of <a href="index.html">Netpbm</a>. @@ -38,9 +45,9 @@ but with at different spees, each being faster than the one before. <pre> <kbd> - $ pamenlarge 15 test.pbm - $ pamenlarge 5 test.pbm | pamenlarge 3 - $ pamenlarge 3 test.pbm | pamenlarge 5 + $ pamenlarge -scale=15 test.pbm + $ pamenlarge -scale=5 test.pbm | pamenlarge -scale=3 + $ pamenlarge -scale=3 test.pbm | pamenlarge -scale=5 </kbd> </pre> @@ -61,6 +68,47 @@ smoothed enlargement with less computational cost. <p><b>pbmreduce</b> can reduce by integer factors, but only for PBM images. +<h2 id="arguments">ARGUMENTS</h2> + +<p>As with most Netpbm programs, you can give the input file name as an +argument or omit that argument and have it come from Standard Input (and +you can specify "-" for the argument to specify Standard Input +explicitly). + +<p>You can also specify the scale factor as an argument, for backward +compatibility, but the preferred way to do that is with a <b>-scale</b> +option, because it is easier to remember and read that way. The scale factor +argument goes before the file name argument. + + + + +<h2 id="options">OPTIONS</h2> + +<dl> +<dt><b>-scale=</b><i>integer</i> +<dt><b>-xscale=</b><i>integer</i> +<dt><b>-yscale=</b><i>integer</i> + +<dd>These specify the scale factor. <b>-xscale</b> specifies the horizontal +scale factor; <b>-yscale</b> specifies the vertical scale factor +and <b>-scale</b> specifies both. + +<p>If you specify <b>-xscale</b> but not <b>-yscale</b>, <b>pamenlarge</b> +does not scale vertically (i.e. the vertical scale factor is 1). The converse +applies if you specify <b>-yscale</b> and not <b>-xscale</b>. + +<p>You cannot specify <b>-scale</b> and also <b>-xscale</b> or <b>yscale</b>. + +<p>You must specify at least one of these options, unless you use the +deprecaated method of specifying the scale factor via argument. + +<p>These options were all new in Netpbm 10.86 (March 2019). Before that, use +the scale argument. + +</dl> + + <h2 id="history">HISTORY</h2> <p><b>pamenlarge</b> was new in Netpbm 10.25 (October 2004). It is @@ -87,6 +135,8 @@ Copyright (C) 1989 by Jef Poskanzer. <UL> <LI><A HREF="#synopsis">SYNOPSIS</A> <LI><A HREF="#description">DESCRIPTION</A> +<LI><A HREF="#arguments">ARGUMENTS</A> +<LI><A HREF="#options">OPTIONS</A> <LI><A HREF="#history">HISTORY</A> <LI><A HREF="#seealso">SEE ALSO</A> <LI><A HREF="#author">AUTHOR</A> |