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diff --git a/hpcdtoppm.html b/hpcdtoppm.html new file mode 100644 index 00000000..885ed253 --- /dev/null +++ b/hpcdtoppm.html @@ -0,0 +1,448 @@ +<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 3.2//EN"> +<HTML><HEAD><TITLE>Hpcdtoppm User Manual</TITLE></HEAD> +<BODY> +<H1>hpcdtoppm</H1> +Updated: 7 August 2003 +<BR> + +<A HREF="#index">Table Of Contents</A> + +<A NAME="lbAB"> </A> +<H2>NAME</H2> +hpcdtoppm - convert a Photo-CD image into a PBM image + +<A NAME="lbAC"> </A> +<H2>SYNOPSIS</H2> + +<B>hpcdtoppm</B> +<I>infile</I> +[<B>-a</B>] +[{<B>-C</B>|<B>-0</B>|<B>-Overview</B>|<B>-O</B>} <I>file opt</I>] +[<B>-c0</B>] +[<B>-c-</B>] +[<B>-c+</B>] +[<B>-crop</B>] +[<B>-d</B>] +[<B>-dpi</B> <I>f</I>] +[<B>-eps</B>] +[<B>-epsd</B>] +[<B>-epsg</B>] +[<B>-fak</B> <I>scale</I>] +[<B>-hori</B>] +[<B>-i</B>] +[<B>-l</B>] +[<B>-m</B>] +[<B>-n</B>] +[<B>-pb</B> <I>pos</I>] +[<B>-pgm</B>] +[<B>-ph</B> <I>height</I>] +[<B>-pl</B> <I>pos</I>] +[<B>-pos</B>] +[<B>-ppm</B>] +[<B>-ps</B>] +[<B>-psd</B>] +[<B>-psg</B>] +[<B>-pw</B> <I>width</I>] +[<B>-r</B>] +[<B>-rep</B>] +[<B>-S</B> <I>long short</I>] +[<B>-s</B>] +[<B>-vert</B>] +[<B>-x</B>] +[<B>-ycc</B>] +[<B>-1</B>|<B>-Base/16</B>|<B>-128x192</B>] +[<B>-2</B>|<B>-Base/4</B>|<B>-256x384</B>] +[<B>-3</B>|<B>-Base</B>|<B>-512x768</B>] +[<B>-4</B>|<B>-4Base</B>|<B>-1024x1536</B>] +[<B>-5</B>|<B>-16Base</B>|<B>-2048x3072</B>] +[<B>-6</B>|<B>-64Base</B>|<B>-4096x6144</B>] +[<I>outfile</I>] + +<A NAME="lbAD"> </A> +<H2>DESCRIPTION</H2> + +<p>This program is part of <a href="index.html">Netpbm</a>. + +<p>This program accepts Photo-CD image or overview file data from the +specified input file, <I>infile</I> (or, if the resolution is lower +than 64Base and the file argument is specified as <B>-</B>, from +standard input), and writes either PBM Format or PostScript to the +specified output file (or to standard output if no file is specified). + +<P>On a standard Photo-CD, image files appear in the directory +<b>photo_cd/images</b>, in files with names of the form +img<I>nnnn</i>.pcd, where <I>nnnn</I> is a 4-digit-number. The +overview file appears in <B>photo_cd/overview.pcd</B>. + +<P>Photo-CD images are stored using as many as 6 different resolutions: + + +<PRE> + Format Resolution + ------ ---------- + 64Base 4096x6144 (ProPhotoCD only) + 16Base 2048x3072 + 4Base 1024x1536 + Base 512x768 + Base/4 256x384 + Base/16 128x192 +</PRE> + +<P>The overview file employs Base/16 format. + + +<A NAME="lbAE"> </A> +<H2>OPTIONS</H2> + +Invoking <b>hpcdtoppm</b> without arguments produces a list of default +values. Note that you can supply only one size option. + +<DL COMPACT> +<DT><B>-a</B> + +<DD>Automatically determine image orientation (this option is +experimental, and does not work for overview files). + +<DT>{<B>-C</B> | <B>-0</B> | <B>-Overview</B> | <B>-O</B> } <I>file opt</I> + +<DD>Extract all images from an overview file. The mandatory +<I>file</I> argument is the name of a PPM file; output files are named +<i>filennnn</I>, where <I>nnnn</I> is a 4-digit number. Overview +images are extracted in their original Base/16 format. The value of +<I>opt</I> determines the orientation of the contact sheet image; +recognized values are: + +<DL COMPACT> +<DT><B>n</B> + +<DD>Do not rotate the image. + +<DT><B>l</B> + +<DD>Rotate the picture counter-clockwise (portrait mode). + +<DT><B>r</B> + +<DD>Rotate the picture clockwise (portrait mode). + +</DL> + +<DT><B>-c0</B> + +<DD>Do not correct (brighten or darken) the image. + +<DT><B>-c-</B> + +<DD>Darken the image. + +<DT><B>-c+</B> + +<DD>Brighten the image. + +<DT><B>-crop</B> + +<DD>Cut off the black frame which sometimes appears at the image +borders. + +<DT><B>-d</B> + +<DD>Show only the decompressed difference rather than the complete image +(applicable only to 4Base and 16Base images). + +<DT><B>-dpi</b> <i>res</i> + +<DD>Set the printer resolution to <I>res</I> for dithered Postscript +images. + +<DT><B>-eps</B> + +<DD>Write a RGB Encapsulated Postscript color image. + +<DT><B>-epsd</B> + +<DD>Write a Floyd-Steinberg dithered image in Encapsulated Postscript. + +<DT><B>-epsg</B> + +<DD>Write a grayscale image in Encapsulated Postscript. + +<DT><B>-fak</b> <i>scale</i> + +<DD>Set the scaling factor for dithered PostScript images to +<I>scale</I>. + +<DT><B>-hori</B> + +<DD>Flip the image horizontally. + +<DT><B>-i</B> + +<DD>Send information from an image file header to Standard Error. + +<DT><B>-l</B> + +<DD>Rotate the picture counter-clockwise (portrait mode). + +<DT><B>-m</B> + +<DD>Write messages about the phases of decoding to standard error. + +<DT><B>-n</B> + +<DD>Do not rotate the image. + +<DT><B>-pb</b> <i>pos</i> + +<DD>Set the bottom position of the Postscript image to <I>pos</I>. + +<DT><B>-pgm</B> + +<DD>Write a <I>pgm</I> (grayscale) image. + +<DT><B>-ph height</B> + +<DD>Set the height of the Postscript image to <I>height</I>. + +<DT><B>-pl</b> <i>pos</i> + +<DD>Set the leftmost position of the Postscript image to <I>pos</I>. + +<DT><B>-pos</B> + +<DD>Print the relative starting position of the data for the current +resolution. + +<DT><B>-ppm</B> + +<DD>Write a <I>ppm</I> RGB (color) image. + +<DT><B>-ps</B> + +<DD>Write a RGB Postscript color image. + +<DT><B>-psd</B> + +<DD>Write a Floyd-Steinberg dithered image in Postscript. + +<DT><B>-psg</B> + +<DD>Write a Postscript grayscale image. + +<DT><B>-pw width</B> + +<DD>Set the width of the Postscript image to <I>width</I>. + +<DT><B>-r</B> + +<DD>Rotate the picture clockwise (portrait mode). + +<DT><B>-rep</B> + +<DD>Try to jump over reading errors in the Huffman code. + +<DT><B>-S</b> <i>long</i> <i>short</i> + +<DD>Cut out a subrectangle with boundaries defined by the values: + +<DL COMPACT> +<DT><I>long</I> + +<DD>For the longer side of the image. + +<DT><I>short</I> + +<DD>For the shorter side of the image. + +</DL> + +where <I>long</I> and <I>short</I> take one of two forms: + +<DL COMPACT> +<DT><B>a-b</B> + +<DD>Cut from position <I>a</I> to position <I>b</I>. + +<DT><B>a+b</B> + +<DD>Starting at offset <I>a</I>, cut a length of <I>b</I>. + +</DL> + +and where <I>a</I> and <I>b</I> are either integers representing pixel +locations, or floating point values over the range [0.0 ... 1.0], +representing the fraction of the length of a side. + +<DT><B>-s</B> + +<DD>Apply a simple sharpness operator to the luminosity channel. + +<DT><B>-vert</B> + +<DD>Flip the image vertically. + +<DT><B>-x</B> + +<DD> Overskip Mode (applicable to Base/16, Base/4, Base and 4Base). +In Photo-CD images the luminosity channel is stored in full +resolution, the two chromaticity channels are stored in half +resolution only and have to be interpolated. In Overskip Mode, the +chromaticity channels of the next higher resolution are taken instead +of interpolating. To see the difference, generate one PPM with and +one PPM without this option. Use <B><A +HREF="pamarith.html">pamarith</A></B> to generate the difference image +of these two images. Call <B><A HREF="ppmhist.html">ppmhist</A></B> +for this difference or show it with <b>xv</b> (push the <B>HistEq</B> button +in the color editor). + +<DT><B>-ycc</B> + +<DD>Write the image in a variation on PPM format in which the samples +are YCC instead of RGB. + +<DT><B>-1</B>|<B>-Base/16</B>|<B>-128x192</B> + +<DD>Extract the Base/16 image. + +<DT><B>-2</b>|<b>-Base/4</b>|<b>-256x384</B> + +<DD>Extract the Base/4 image. + +<DT><B>-3</b>|<b>-Base</b>|<b>-512x768</B> + +<DD>Extract the Base image. + +<DT><B>-4</b>|<b>-4Base</b>|<b>-1024x1536</B> + +<DD>Extract the 4Base image. + +<DT><B>-5</b>|<b>-16Base</b>|<b>-2048x3072</B> + +<DD>Extract the 16Base image. + +<DT><B>-6</b>|<b>-64Base</b>|<b>-4096x6144</B> + +<DD>Extract the 64Base image. This resolution can be extracted from +ProPhotoCD images only. The path of the 64Base extension files is +derived from the path to the image file. This means that it doesn't +work on stdin an the directory structure must be the very same as on +the ProPhotoCD. + +</DL> + +<A NAME="lbAF"> </A> +<H2>Postcript Output</H2> + +<p>For Postscript output (options <B>-ps</B>, <B>-eps</B>, +<B>-psg</B>, <B>-epsg</B>, <B>-psd</B>, <B>-epsg</B>) you can define +both the resolution and placement of the image. Both size and +position are specified in points (1/72 inch). + +<P>The position of the image (where the origin is assumed to be at the +lower left corner of the page) is controlled by the <B>-pl</B> and +<B>-pb</B> options (applicable at all resolutions). + +<P>The size of color and grayscale images is changed with the +<B>-pw</B> and <B>-ph</B> options. Every image pixel is mapped onto +one Postscript pixel. + +<P>There are three modes of control for dithered Postscript: + +<DL COMPACT> +<DT>Image size + +<DD> (<B>-pw</B> and <B>-ph</B>) + +<DT>Printer resolution + +<DD>(<B>-dpi</B>) + +<DT>Scaling factor + +<DD>(<B>-fak</B>) + +</DL> + +<P>These three factors are interdependent, hence no more then two can +be specified simultaneously. Using <B>-dpi</B> and the +<B>-pw</B>/<B>-ph</B> options together often yields pleasing results. +Even using the default values for these options will produce results +differing from those obtained without use of the options. + +<A NAME="lbAG"> </A> +<H2>Limitations</H2> +<p>The program ignores read protection. + +<P>The <B>-i</B> option is not working correctly. + +<P>Available information obout the Photo-CD format is vague; this +program was developed by trial-and-error after staring at hex-dumps. +Please send bugs reports and patches to the author. + + +<A NAME="lbAH"> </A> +<H2>SEE ALSO</H2> + +<A HREF="pcdovtoppm.html">pcdovtoppm</A>, +<A HREF="pamarith.html">pamarith</A>, +<A HREF="ppm.html">ppm</A>, +<A HREF="ppmhist.html">ppmhist</A>, +<A HREF="pnmquant.html">pnmquant</A>, +<A HREF="ppmtopgm.html">ppmtopgm</A>, +<A HREF="ppmtorgb3.html">ppmtorgb3</A>, +<b>xv</b> + + +<A NAME="lbAI"> </A> +<H2>VERSION</H2> + +<p>The name <b>hpcdtoppm</b> stands for "Hadmut's pcdtoppm," to +make it distinguishable in the event that someone else is building a +similar application and naming it <b>pcdtoppm</b>. + +<p>This is version 0.6. + + +<A NAME="lbAJ"> </A> +<H2>AUTHOR</H2> + +Copyright (c) 1992, 1993, 1994 by Hadmut Danisch (<A +HREF="mailto:danisch@ira.uka.de">danisch@ira.uka.de</A>). + +<p>Hadmut Danish has given permission to Bryan Henderson (August 2003) +to distribute this documentation as part of Netpbm on Sourceforge and +therefore to license this copy of this documentation to the public +with the following Sourceforge-compatible license. Note that this +license does not contain a restriction on one's right to sell the +material, as does the <b>hpcdtoppm</b> program itself and other copies +of this documentation. + +<p>This software is not public domain. Permission to use and +distribute this software and its documentation for noncommercial use +and without fee is hereby granted, provided that the above copyright +notice appear in all copies and that both that copyright notice and +this permission notice appear in supporting documentation. + +<P>The <b>hpcdtoppm</b> software itself (as opposed to this supporting +documentation) is licensed by Danisch under a similar license, but +with an additional restriction that a recipient may not sell the +software or use it in profit-making activity. See the source code of +the program for details on its license. + +<P> Manual page extensively modified by R. P. C. Rodgers (<A +HREF="mailto:rodgers@nlm.nih.gov">rodgers@nlm.nih.gov</A>). + +<HR> +<A NAME="index"> </A><H2>Table Of Contents</H2> +<UL> +<LI><A HREF="#lbAB">NAME</A> +<LI><A HREF="#lbAC">SYNOPSIS</A> +<LI><A HREF="#lbAD">DESCRIPTION</A> +<LI><A HREF="#lbAE">OPTIONS</A> +<LI><A HREF="#lbAF">POSTSCRIPT OUTPUT</A> +<LI><A HREF="#lbAG">LIMITATIONS</A> +<LI><A HREF="#lbAH">SEE ALSO</A> +<LI><A HREF="#lbAI">VERSION</A> +<LI><A HREF="#lbAJ">AUTHOR</A> +</UL> +</BODY> +</HTML> |