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</o:shapelayout></xml><![endif]--></head><body lang=EN-US link=blue vlink=purple><div class=WordSection1><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'>Thanks Michael for the reply :) My goal is to produce a PWG raster file first, and then to write code which would decode the PWG raster file to plain RGB (uncompressed). I understand that ‘Google cloud print’ has chosen PWG raster as their PDL, and printers would come with support for PWG raster baked in.<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'>--1-- Is the code for decoding PWG raster file to RGB data already existing in the public domain? If so, would you direct me to it?<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'>--2-- Also, is there a location where I can download a sample PWG raster file?<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'><o:p> </o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'>I’m heading to compile & build the svn version of cups 1.5, with the code modifications you have pointed out.<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'><o:p> </o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'>Thanks & Regards,<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'>-Roy.<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'><o:p> </o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'><o:p> </o:p></span></p><div><div style='border:none;border-top:solid #B5C4DF 1.0pt;padding:3.0pt 0in 0in 0in'><p class=MsoNormal><b><span style='font-size:10.0pt;font-family:"Tahoma","sans-serif"'>From:</span></b><span style='font-size:10.0pt;font-family:"Tahoma","sans-serif"'> Michael Sweet [mailto:msweet@apple.com] <br><b>Sent:</b> Tuesday, March 22, 2011 10:08 PM<br><b>To:</b> Mirror of cups.development Newsgroup<br><b>Subject:</b> Re: [cups.development] How/where can I obtain a filter for cupsto produce PWG raster file?<o:p></o:p></span></p></div></div><p class=MsoNormal><o:p> </o:p></p><div><div><p class=MsoNormal>[Background for those reading along: PWG Raster is a subset of CUPS Raster that is big-endian word order]<o:p></o:p></p></div><div><p class=MsoNormal><o:p> </o:p></p></div><div><p class=MsoNormal>On Mar 22, 2011, at 3:29 AM, Roy Samuel wrote:<o:p></o:p></p></div><blockquote style='margin-top:5.0pt;margin-bottom:5.0pt'><div><div><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif"'>Hi,<o:p></o:p></span></p></div><div><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif"'>I have installed the latest stable version of cups, 1.4.6 on my Ubuntu (10.10) machine.<o:p></o:p></span></p></div><div><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif"'> <o:p></o:p></span></p></div><div><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif"'>I would like to be able to produce a PWG raster file written on to disk. Is the PWG raster a filter that cups would be using? If so, where can I get to use it?<o:p></o:p></span></p></div></div></blockquote><div><p class=MsoNormal><o:p> </o:p></p></div><p class=MsoNormal>CUPS 1.4.x does not support writing of PWG Raster data. Support was added in CUPS 1..5.x and can be chosen by using the CUPS_RASTER_WRITE_PWG value when calling <i>cupsRasterOpe</i>n.<o:p></o:p></p></div><div><p class=MsoNormal><o:p> </o:p></p></div><div><p class=MsoNormal>CUPS 1.2.x and later support reading of PWG Raster data and will automatically handle any byte swapping that is needed.<o:p></o:p></p></div><div><p class=MsoNormal><o:p> </o:p></p></div><div><blockquote style='margin-top:5.0pt;margin-bottom:5.0pt'><div><div><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif"'>Would you guide me in how this can be done? Also, if you can send me a sample PWG raster file (link to it), it would be of great help.<o:p></o:p></span></p></div><div><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif"'>Any help would be appreciated. Perhaps some links to relevant information?<o:p></o:p></span></p></div></div></blockquote><p class=MsoNormal><o:p> </o:p></p></div><div><p class=MsoNormal>For the current 1.5.x snapshot:<o:p></o:p></p></div><div><p class=MsoNormal><o:p> </o:p></p></div><div><p class=MsoNormal> <a href="http://www.cups.org/software.php">http://www..cups.org/software.php</a><o:p></o:p></p></div><div><p class=MsoNormal><o:p> </o:p></p></div><div><p class=MsoNormal>For the current PWG Raster specification:<o:p></o:p></p></div><div><p class=MsoNormal><o:p> </o:p></p></div><div><p class=MsoNormal> <a href="http://www.pwg.org/ipp">http://www.pwg.org/ipp</a><o:p></o:p></p></div><p class=MsoNormal><o:p> </o:p></p><div><div><p class=MsoNormal><span style='font-size:13.5pt;font-family:"Helvetica","sans-serif";color:black'>________________________________________________________________________<br>Michael Sweet, Senior Printing System Engineer, PWG Chair<o:p></o:p></span></p></div></div><p class=MsoNormal><o:p> </o:p></p></div></body></html>
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