| author | Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com> |
| Tue, 06 Jul 2010 15:10:48 +0300 | |
| changeset 30 | 5dc02b23752f |
| parent 0 | 1918ee327afb |
| permissions | -rw-r--r-- |
| 0 | 1 |
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<meta name="generator" content="groff -Thtml, see www.gnu.org"> |
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<title>FAX2PS</title> |
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<h1 align=center>FAX2PS</h1> |
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<a href="#NAME">NAME</a><br> |
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<a href="#SYNOPSIS">SYNOPSIS</a><br> |
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<a href="#DESCRIPTION">DESCRIPTION</a><br> |
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<a href="#OPTIONS">OPTIONS</a><br> |
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<a href="#DIAGNOSTICS">DIAGNOSTICS</a><br> |
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<a href="#NOTES">NOTES</a><br> |
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<a href="#BUGS">BUGS</a><br> |
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<a href="#SEE ALSO">SEE ALSO</a><br> |
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<a name="NAME"></a> |
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<h2>NAME</h2> |
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<td width="91%"> |
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<p>fax2ps − convert a <small>TIFF</small> facsimile to |
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compressed PostScript™</p> |
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<a name="SYNOPSIS"></a> |
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<h2>SYNOPSIS</h2> |
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<td width="91%"> |
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<p><b>fax2ps</b> [ <i>options</i> ] [ <i>file ...</i> ]</p> |
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</table> |
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<a name="DESCRIPTION"></a> |
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<h2>DESCRIPTION</h2> |
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<p><i>fax2ps</i> reads one or more <small>TIFF</small> |
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facsimile image files and prints a compressed form of |
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PostScript on the standard output that is suitable for |
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printing.</p> |
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<p>By default, each page is scaled to reflect the image |
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dimensions and resolutions stored in the file. The |
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<b>−x</b> and <b>−y</b> options can be used to |
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specify the horizontal and vertical image resolutions |
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(lines/inch), respectively. If the <b>−S</b> option is |
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specified, each page is scaled to fill an output page. The |
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default output page is 8.5 by 11 inches. Alternate page |
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dimensions can be specified in inches with the |
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<b>−W</b> and <b>−H</b> options.</p> |
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<p>By default <i>fax2ps</i> generates PostScript for all |
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pages in the file. The <b>−p</b> option can be used to |
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select one or more pages from a multi-page document.</p> |
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<p><i>fax2ps</i> generates a compressed form of PostScript |
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that is optimized for sending pages of text to a PostScript |
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printer attached to a host through a low-speed link (such as |
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a serial line). Each output page is filled with white and |
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then only the black areas are drawn. The PostScript |
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specification of the black drawing operations is optimized |
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by using a special font that encodes the move-draw |
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operations required to fill the black regions on the page. |
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This compression scheme typically results in a substantially |
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reduced PostScript description, relative to the |
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straightforward imaging of the page with a PostScript |
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<i>image</i> operator. This algorithm can, however, be |
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ineffective for continuous-tone and white-on-black images. |
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For these images, it sometimes is more efficient to send the |
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raster bitmap image directly; see <b>tiff2ps</b>(1).</p> |
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</td> |
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</table> |
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<a name="OPTIONS"></a> |
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<h2>OPTIONS</h2> |
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<table width="100%" border=0 rules="none" frame="void" |
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cols="4" cellspacing="0" cellpadding="0"> |
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<tr valign="top" align="left"> |
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<td width="11%"></td> |
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<td width="11%"> |
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<p><b>−p</b> <i>number</i></p> |
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</td> |
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<td width="76%"> |
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<p>Print only the indicated page. Multiple pages may be |
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printed by specifying this option more than once.</p> |
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<td width="0%"> |
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<td width="8%"></td> |
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<td width="91%"> |
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<p><b>−x</b> <i>resolution</i></p></td> |
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</table> |
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<p>Use <i>resolution</i> as the horizontal resolution, in |
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dots/inch, of the image data. By default this value is taken |
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from the file.</p> |
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<td width="8%"></td> |
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<td width="91%"> |
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<p><b>−y</b> <i>resolution</i></p></td> |
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</table> |
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<!-- INDENTATION --> |
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<table width="100%" border=0 rules="none" frame="void" |
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cols="2" cellspacing="0" cellpadding="0"> |
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<tr valign="top" align="left"> |
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<td width="23%"></td> |
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<td width="76%"> |
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<p>Use <i>resolution</i> as the vertical resolution, in |
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lines/inch, of the image data. By default this value is |
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taken from the file.</p> |
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</td> |
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</table> |
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<!-- TABS --> |
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<table width="100%" border=0 rules="none" frame="void" |
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cols="4" cellspacing="0" cellpadding="0"> |
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<td width="10%"></td> |
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<td width="12%"> |
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<p><b>−S</b></p> |
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</td> |
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<td width="76%"> |
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<p>Scale each page of image data to fill the output page |
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dimensions. By default images are presented according to the |
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dimension information recorded in the <small>TIFF</small> |
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file.</p> |
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</td> |
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<td width="0%"> |
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</td> |
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<tr valign="top" align="left"> |
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<td width="10%"></td> |
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<td width="12%"> |
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<p><b>−W</b> <i>width</i></p> |
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</td> |
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<td width="76%"> |
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<p>Use <i>width</i> as the width, in inches, of the output |
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page.</p> |
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<td width="10%"></td> |
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<td width="12%"> |
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<p><b>−H</b> <i>height</i></p> |
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</td> |
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<td width="76%"> |
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<p>Use <i>height</i> as the height, in inches, of the |
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output page.</p> |
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</td> |
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<td width="0%"> |
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</td> |
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</table> |
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<a name="DIAGNOSTICS"></a> |
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<h2>DIAGNOSTICS</h2> |
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<table width="100%" border=0 rules="none" frame="void" |
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cols="2" cellspacing="0" cellpadding="0"> |
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<td width="8%"></td> |
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<p>Some messages about malformed <small>TIFF</small> images |
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come from the <small>TIFF</small> library.</p> |
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<p>Various messages about badly formatted facsimile images |
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may be generated due to transmission errors in received |
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facsimile. <i>fax2ps</i> attempts to recover from such data |
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errors by resynchronizing decoding at the end of the current |
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scanline. This can result in long horizontal black lines in |
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the resultant PostScript image.</p> |
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</td> |
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</table> |
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<a name="NOTES"></a> |
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<h2>NOTES</h2> |
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<td width="91%"> |
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<p>If the destination printer supports PostScript Level II |
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then it is always faster to just send the encoded bitmap |
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generated by the <b>tiff2ps</b>(1) program.</p> |
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</table> |
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<a name="BUGS"></a> |
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<h2>BUGS</h2> |
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<p><i>fax2ps</i> should probably figure out when it is doing |
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a poor job of compressing the output and just generate |
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PostScript to image the bitmap raster instead.</p> |
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</table> |
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<a name="SEE ALSO"></a> |
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<h2>SEE ALSO</h2> |
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<p><b>tiff2ps</b>(1), <b>libtiff</b>(3)</p> |
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<p>Libtiff library home page: |
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<b>http://www.remotesensing.org/libtiff/</b></p> |
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</td> |
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</table> |
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<hr> |
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</body> |
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</html> |