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| author | giraffedata <giraffedata@9d0c8265-081b-0410-96cb-a4ca84ce46f8> | 2012-05-26 01:49:19 +0000 |
|---|---|---|
| committer | giraffedata <giraffedata@9d0c8265-081b-0410-96cb-a4ca84ce46f8> | 2012-05-26 01:49:19 +0000 |
| commit | 550d0e8254424ec1bbc6dd4e24bb009489b0e48b (patch) | |
| tree | b979a35c2767f91e4e12363feaeeb5ab94d5acdf /giftopnm.html | |
| parent | 47b9b0ef9bd7e50892ebf70f535b5595aca9360c (diff) | |
| download | netpbm-mirror-550d0e8254424ec1bbc6dd4e24bb009489b0e48b.tar.gz netpbm-mirror-550d0e8254424ec1bbc6dd4e24bb009489b0e48b.tar.xz netpbm-mirror-550d0e8254424ec1bbc6dd4e24bb009489b0e48b.zip | |
miscellaneous update
git-svn-id: http://svn.code.sf.net/p/netpbm/code/userguide@1690 9d0c8265-081b-0410-96cb-a4ca84ce46f8
Diffstat (limited to 'giftopnm.html')
| -rw-r--r-- | giftopnm.html | 15 |
1 files changed, 7 insertions, 8 deletions
diff --git a/giftopnm.html b/giftopnm.html index 93a68d02..a4a82b48 100644 --- a/giftopnm.html +++ b/giftopnm.html @@ -2,7 +2,7 @@ <HTML><HEAD><TITLE>Giftopnm User Manual</TITLE></HEAD> <BODY> <H1>giftopnm</H1> -Updated: 11 August 2008 +Updated: 25 May 2012 <BR> <A HREF="#index">Table Of Contents</A> @@ -52,13 +52,12 @@ Netpbm output image has the wrong aspect ratio. In this case, <DL COMPACT> <DT><B>--alphaout=</B><I>alpha-filename</I> -<DD><B>giftopnm </B> creates a PGM (portable graymap) file containing -the alpha channel values in the input image. If the input image -doesn't contain an alpha channel, the <I>alpha-filename</I> file -contains all zero (transparent) alpha values. If you don't specify -<B>--alphaout</B>, <B>giftopnm</B> does not generate an alpha file, -and if the input image has an alpha channel, <B>giftopnm</B> simply -discards it. +<DD><B>giftopnm </B> creates a PBM file containing the alpha channel values in +the input image. If the input image doesn't contain an alpha channel, +the <I>alpha-filename</I> file contains all zero (transparent) alpha values. +If you don't specify <B>--alphaout</B>, <B>giftopnm</B> does not generate an +alpha file, and if the input image has an alpha channel, <B>giftopnm</B> +simply discards it. <P>If you specify <B>-</B> as the filename, <B>giftopnm</B> writes the alpha output to Standard Output and discards the image. |