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diff --git a/directory.html b/directory.html index 1543d9ef..eb8ccd79 100644 --- a/directory.html +++ b/directory.html @@ -325,6 +325,9 @@ convert JBIG BIE (compressed bitmap) to PNM <DT><B><a href=asciitopgm.html>asciitopgm</a> </B> <DD>convert ASCII character graphics to PGM +<DT><B><a href=ppmtoascii.html>ppmtoascii</a> </B> +<DD>convert PPM to ASCII graphics with ANSI terminal color control + <DT><B><a href=pbmtobbnbg.html>pbmtobbnbg</a> </B> <DD>convert PBM to BBN BitGraph graphics diff --git a/pbmtoascii.html b/pbmtoascii.html index fa6c3c9c..416d7aaa 100644 --- a/pbmtoascii.html +++ b/pbmtoascii.html @@ -50,6 +50,7 @@ should give good results. <H2 id="seealso">SEE ALSO</H2> <A HREF="asciitopgm.html">asciitopgm</A> +<a href="ppmtoascii.html">ppmtoascii</a> <a href="ppmtoterm.html">ppmtoterm</a> <A HREF="pbm.html">pbm</A> diff --git a/ppmtoascii.html b/ppmtoascii.html new file mode 100644 index 00000000..e9ea1d3d --- /dev/null +++ b/ppmtoascii.html @@ -0,0 +1,82 @@ +<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 3.2//EN"> +<HTML><HEAD><TITLE>Ppmtoascii User Manual</TITLE></HEAD> +<BODY> +<H1>ppmtoascii</H1> +Updated: 09 April 2010 +<BR> +<A HREF="#index">Table Of Contents</A> + +<H2>NAME</H2> +ppmtoascii - convert a PPM image to ASCII graphics with ANSI terminal color + +<H2 id="synopsis">SYNOPSIS</H2> + +<B>ppmtoascii</B> + +[<B>-1x2</B>|<B>-2x4</B>] + +[<I>ppmfile</I>] + +<H2 id="description">DESCRIPTION</H2> + +<p>This program is part of <a href="index.html">Netpbm</a>. + +<p><b>ppmtoascii</b> reads a PPM image as input and produces a somewhat +crude ASCII graphic image as output, with ANSI terminal control characters +so it has crude color when sent to a color text terminal. + +<P>There is no converter for the other direction. + +<p><b>ppmtoterm</b> does a similar thing, but displays each character of the +image as a single pixel (using the same dense character for every pixel), +whereas <b>ppmtoascii</b> combines 2 or 8 pixels into one character, where +the character roughly represents those particular pixels. + +<p>Note that ANSI provides for only eight colors (including black and white). + +<p>Note that an ANSI terminal can't display a single character in multiple +colors, so where a character represents 8 pixels of differing colors, the +color of the character is one that is the average of the colors of those +pixels. + +<p><b>pbmtoascii</b> does the same thing for PBM images, with no terminal +control characters (because none are needed for a strictly black and white +image). + + +<H2 id="options">OPTIONS</H2> + +<p>The <B>-1x2</B> and <B>-2x4</B> options give you two alternate ways for the +pixels to get mapped to characters. With <B>1x2</B>, the default, each +character represents a group of 1 pixel across by 2 pixels down. With +<B>-2x4</B>, each character represents 2 pixels across by 4 pixels down. + +<H2 id="seealso">SEE ALSO</H2> + +<A HREF="pbmtoascii.html">pbmtoascii</A> +<a href="ppmtoterm.html">ppmtoterm</a> +<A HREF="ppm.html">ppm</A> + + +<h2 id="history">HISTORY</h2> + +<p><b>ppmtoascii</b> was new in Netpbm 10.51 (June 2010). Frank Ch. Eigler +derived it from <b>pbmtoascii</b>. + + +<H2 id="author">AUTHOR</H2> + +Copyright (C) 2010 by Frank Ch. Eigler. + +<HR> +<H2 id="index">Table Of Contents</H2> +<UL> +<LI><A HREF="#synopsis">SYNOPSIS</A> +<LI><A HREF="#description">DESCRIPTION</A> +<LI><A HREF="#options">OPTIONS</A> +<LI><A HREF="#seealso">SEE ALSO</A> +<LI><A HREF="#history">HISTORY</A> +<LI><A HREF="#author">AUTHOR</A> +</UL> +</BODY> +</HTML> |