71 lines
4.4 KiB
HTML
71 lines
4.4 KiB
HTML
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<?xml version="1.0" encoding="utf-8"?>
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<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN"
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"http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
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<html xmlns="http://www.w3.org/1999/xhtml" lang="en-US" xml:lang="en-us">
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<head>
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<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
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<meta name="dc.language" scheme="rfc1766" content="en-us" />
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<!-- All rights reserved. Licensed Materials Property of IBM -->
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<!-- US Government Users Restricted Rights -->
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<!-- Use, duplication or disclosure restricted by -->
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<!-- GSA ADP Schedule Contract with IBM Corp. -->
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<meta name="dc.date" scheme="iso8601" content="2005-09-06" />
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<meta name="copyright" content="(C) Copyright IBM Corporation 1998, 2006" />
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<meta name="security" content="public" />
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<meta name="Robots" content="index,follow"/>
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<meta http-equiv="PICS-Label" content='(PICS-1.1 "http://www.icra.org/ratingsv02.html" l gen true r (cz 1 lz 1 nz 1 oz 1 vz 1) "http://www.rsac.org/ratingsv01.html" l gen true r (n 0 s 0 v 0 l 0) "http://www.classify.org/safesurf/" l gen true r (SS~~000 1))' />
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<title>Image print transform overview</title>
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<link rel="stylesheet" type="text/css" href="ibmidwb.css" />
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<link rel="stylesheet" type="text/css" href="ic.css" />
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</head>
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<body>
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<a id="Top_Of_Page" name="Top_Of_Page"></a><!-- Java sync-link -->
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<script language = "Javascript" src = "../rzahg/synch.js" type="text/javascript"></script>
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<a name="rzaluiptover"></a>
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<h4 id="rzaluiptover">Image print transform overview</h4>
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<p>The image print transform is an i5/OS® function that is capable of converting
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image or PostScript data streams into various ASCII and non-ASCII printer
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data streams. The conversion takes place on the iSeries server, which means
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the data stream generated is independent of any printer emulators or hardware
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connections.</p>
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<p>The image print transform function converts image or print data from one
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format into another. A supporting printer interprets the resultant printer
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data stream. The image print transform function can convert the following
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data streams: </p>
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<ul>
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<li>Tag Image File Format (TIFF)</li>
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<li>Graphics Interchange Format (GIF)</li>
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<li>Windows Bitmap (BMP)</li>
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<li>PostScript Level 1 with DBCS extensions</li></ul>
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<p>The image print transform function can generate the following printer data
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streams: </p>
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<ul>
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<li>Advanced Function Presentation Data Stream</li>
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<li>Hewlett-Packard Printer Control Language (PCL)</li>
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<li>PostScript Level 1</li></ul>
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<p>Similar to the host print transform function, the image print transform
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function converts the data on the iSeries server instead of an emulator.</p>
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<p>When a data stream is converted by the image print transform function,
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the printer data stream that is created contains a bit-mapped image. A <span class="italic">bit-mapped image</span> is an array of numerical values. Each
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value represents part or all of a <span class="italic">pixel</span>. A <span class="italic">pixel</span> is a single point or dot of an image. An image is usually measured
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in terms of pixels, for both width and height. The <span class="italic">resolution</span> of an image is then defined as the number of pixels (dots) per unit
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of measure. For example, a resolution supported by many printers is 300 dots
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per inch (dpi). Therefore, an image having dimensions 1200 pixels by 1500
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pixels would have a width of 4 inches and a height of 5 inches when printed
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at 300 dpi.</p>
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<p>The image print transform function works with ASCII printers as well as Intelligent Printer Data Stream™ (IPDS™) printers that have AFP(*YES) specified
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in the configuration. When the image print transform function is used, the
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transform does not take place until after the data stream is spooled. Then,
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when the spooled file is printed or sent to a remote output queue, it is first
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sent to the image print transform function to be transformed. Printing with
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the image print transform function is done automatically when:</p>
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<ul>
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<li>A printer device is created with the host print transform function enabled.</li>
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<li>The device or remote output queue has an image configuration object defined.</li></ul><p class="indatacontent"> For more information about creating a device with host print transform
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enabled, see <a href="rzaluconfhpt.htm#rzaluconfhpt">Configure host print transform</a>.</p>
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<a id="Bot_Of_Page" name="Bot_Of_Page"></a>
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</body>
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</html>
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