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| author | giraffedata <giraffedata@9d0c8265-081b-0410-96cb-a4ca84ce46f8> | 2019-10-05 02:12:39 +0000 |
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| committer | giraffedata <giraffedata@9d0c8265-081b-0410-96cb-a4ca84ce46f8> | 2019-10-05 02:12:39 +0000 |
| commit | 741c5d963c209b78ec7422b1fb18242e43939044 (patch) | |
| tree | eae42e465e6ced0b043ad38bcfdfc9b8afd0fc96 | |
| parent | 6e207e41ab714b01cf4c7eed6afeafcd9cf96b95 (diff) | |
| download | netpbm-mirror-741c5d963c209b78ec7422b1fb18242e43939044.tar.gz netpbm-mirror-741c5d963c209b78ec7422b1fb18242e43939044.tar.xz netpbm-mirror-741c5d963c209b78ec7422b1fb18242e43939044.zip | |
miscellaneous update
git-svn-id: http://svn.code.sf.net/p/netpbm/code/userguide@3703 9d0c8265-081b-0410-96cb-a4ca84ce46f8
| -rw-r--r-- | pamcomp.html | 8 | ||||
| -rw-r--r-- | pnmpad.html | 73 |
2 files changed, 67 insertions, 14 deletions
diff --git a/pamcomp.html b/pamcomp.html index 21e18529..cecc7a65 100644 --- a/pamcomp.html +++ b/pamcomp.html @@ -14,11 +14,11 @@ pamcomp - composite (overlay) two Netpbm images together <B>pamcomp</B> -[<B>-align=</B>{<B>left</B>|<B>center</B>|<B>right</B>| -<B>beyondleft</b>|<b>beyondright</b>}] +[<B>-align=</B>{<B>left</B> | <B>center</B> | <B>right</B> | +<B>beyondleft</b> | <b>beyondright</b>}] <BR> -[<B>-valign=</B>{<B>top</B>|<B>middle</B>|<B>bottom</B>| -<b>above</b>|<b>below</b>}] +[<B>-valign=</B>{<B>top</B> | <B>middle</B> | <B>bottom</B>| +<b>above</b> | <b>below</b>}] <BR> [<B>-xoff=</B><I>X</I>] [<B>-yoff=</B><I>Y</I>] diff --git a/pnmpad.html b/pnmpad.html index 75a95ad3..9d5e5185 100644 --- a/pnmpad.html +++ b/pnmpad.html @@ -2,7 +2,7 @@ <HTML><HEAD><TITLE>Pnmpad User Manual</TITLE></HEAD> <BODY> <H1>pnmpad</H1> -Updated: 18 October 2018 +Updated: 05 October 2019 <BR> <A HREF="#index">Table Of Contents</A> @@ -13,7 +13,6 @@ pnmpad - add borders to a PNM image <H2 id="synopsis">SYNOPSIS</H2> <B>pnmpad </B> -[<B>-verbose</B>] [<B>-white</B>|<B>-black</B>] <BR> [<B>-width=</B><I>pixels</I>] @@ -30,6 +29,9 @@ pnmpad - add borders to a PNM image [<B>-top=</B><I>pixels</I>] [<B>-bottom=</B><I>pixels</I>] <BR> +[<b>-reportonly</b>] +[<B>-verbose</B>] +<BR> [<I>pnmfile</I>] @@ -64,17 +66,11 @@ use either white space or an equals sign between an option name and its value. <DL> -<DT><B>-verbose</B> - -<DD> -Verbose output. - <dt><B>-white</B> <dt><B>-black</B> <dd>Set pad color. Default is <b>-black</b>. - <dt><B>-left=</B><I>pixels</I> <dt><B>-right=</B><I>pixels</I> <dt><B>-width=</B><I>width</I> @@ -136,11 +132,67 @@ on the left and 25 on the right. <dt><B>-mheight=</B><I>pixels</I> <dd> -These options determine the vertical padding. They are analogous -to the horizontal padding options above. +These options determine the vertical padding. They are analogous to the +horizontal padding options above. + +<dt><b>-reportonly</b> +<dd> + This causes <b>pnmpad</b> to write to Standard Output a description of the + padding it would have done instead of producing an output image. See + <a href="#reportonly">below</a> for a description of this output and ways + to use it. + +<p>This option was new in Netpbm 10.89 (December 2019). + +<DT><B>-verbose</B> + +<DD> +This causes verbose messages. </dl> +<h2 id="reportonly">REPORT ONLY</h2> + +<p>When you specify <b>-reportonly</b>, <B>pnmpad</B> does not produce an + output image. Instead, it writes to Standard Output a description of the + padding it would have done without <b>-reportonly</b>. + +<P>That description is one line of text, containing 6 decimal numbers of + pixels, separated by spaces: + +<ol> + <li>left padding + <li>right padding + <li>top padding + <li>bottom padding + <li>output width + <li>output height +</ol> + +<p>Example: + <pre> + <tt> + 4 3 0 2 100 100 + </tt> + </pre> + +<P>One use for this is to make padding which is fancier than the black and + white that <b>pnmpad</b> can do. + +<p>In the following example, we pad an image with 10 pixels of gray all + around, without knowing the original image dimensions beforehand. We do + this by generating a gray image with <b>pbmmake</b> and then pasting the + subject image into the middle of it. + +<p>The example uses shell arrays, such as exist in Bash, but not Dash. + + <pre> + <xmp> + pad=($(pnmpad -reportonly -left=10 -right=10 -top=10 -bottom=10)) + pbmmake -gray 10 10 | pnmpaste input.ppm ${pad[0]} ${pad[2]} - + </xmp> + </pre> + <H2 id="history">HISTORY</H2> @@ -182,6 +234,7 @@ without express or implied warranty. <LI><A HREF="#synopsis">SYNOPSIS</A> <LI><A HREF="#description">DESCRIPTION</A> <LI><A HREF="#options">OPTIONS</A> +<LI><A HREF="#reportonly">REPORT ONLY</A> <LI><A HREF="#history">HISTORY</A> <LI><A HREF="#seealso">SEE ALSO</A> <LI><A HREF="#author">AUTHOR</A> |