diff options
| author | giraffedata <giraffedata@9d0c8265-081b-0410-96cb-a4ca84ce46f8> | 2013-11-27 23:32:21 +0000 |
|---|---|---|
| committer | giraffedata <giraffedata@9d0c8265-081b-0410-96cb-a4ca84ce46f8> | 2013-11-27 23:32:21 +0000 |
| commit | 1d7e026e91d46a030396b8454d9a7e68efd09d79 (patch) | |
| tree | 9c8220539f8ae61f2a76c4f3427689cc0e79851b /ppm.html | |
| parent | 94b3dbf21a9f0595d9eacf28a93da4b0bd04d65b (diff) | |
| download | netpbm-mirror-1d7e026e91d46a030396b8454d9a7e68efd09d79.tar.gz netpbm-mirror-1d7e026e91d46a030396b8454d9a7e68efd09d79.tar.xz netpbm-mirror-1d7e026e91d46a030396b8454d9a7e68efd09d79.zip | |
miscellaneous update
git-svn-id: http://svn.code.sf.net/p/netpbm/code/userguide@2040 9d0c8265-081b-0410-96cb-a4ca84ce46f8
Diffstat (limited to 'ppm.html')
| -rw-r--r-- | ppm.html | 18 |
1 files changed, 15 insertions, 3 deletions
diff --git a/ppm.html b/ppm.html index 86886e43..05cfde72 100644 --- a/ppm.html +++ b/ppm.html @@ -42,6 +42,8 @@ scanner in question uses." Images in this format (or a precursor of it) were once also called "portable pixmaps." +<H2 id="format">THE FORMAT</H2> + <P>The format definition is as follows. You can use the <a href="libnetpbm.html">libnetpbm</a> C subroutine library to read and interpret the format conveniently and accurately. @@ -165,9 +167,9 @@ P3 accepting anything that looks remotely like a PPM image. -<h3 id="internetmediatype">Internet Media Type</h3> +<h2 id="internetmediatype">INTERNET MEDIA TYPE</h2> -<p>No Internet Media Type (aka MIME type, content type) for PBM has been +<p>No Internet Media Type (aka MIME type, content type) for PPM has been registered with IANA, but the value <tt>image/x-portable-pixmap</tt> is conventional. @@ -175,6 +177,14 @@ conventional. also applies. +<h2 id="filename">FILE NAME</h2> + +<p>There are no requirements on the name of a PPM file, but the convention is +to use the suffix ".ppm". "pnm" is also conventional, for +cases where distinguishing between the particular subformats of PNM is not +convenient. + + <H2 id="compatibility">COMPATIBILITY</H2> <P>Before April 2000, a raw format PPM file could not have a maxval greater @@ -198,10 +208,12 @@ data after the first image. <H2 id="index">Table Of Contents</H2> <UL> <LI><A HREF="#description">DESCRIPTION</A> +<LI><A HREF="#format">THE FORMAT</A> <ul> <li><A HREF="#plainppm">Plain PPM</A> - <li><A HREF="#internetmediatype">Internet Media Type</A> </ul> +<li><A HREF="#internetmediatype">INTERNET MEDIA TYPE</A> +<li><A HREF="#filename">FILE NAME</A> <LI><A HREF="#compatibility">COMPATIBILITY</A> <LI><A HREF="#seealso">SEE ALSO</A> </UL> |