151 lines
9.7 KiB
HTML
151 lines
9.7 KiB
HTML
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<?xml version="1.0" encoding="UTF-8"?>
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<!DOCTYPE html
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PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
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<html 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 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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<meta name="DC.Type" content="reference" />
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<meta name="DC.Title" content="SpooledFileViewer class" />
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<meta name="abstract" content="" />
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<meta name="description" content="" />
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<meta name="copyright" content="(C) Copyright IBM Corporation 2006" />
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<meta name="DC.Identifier" content="sfv" />
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<meta name="DC.Language" 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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<link rel="stylesheet" type="text/css" href="./ibmdita.css" />
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<link rel="stylesheet" type="text/css" href="./ic.css" />
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<title>SpooledFileViewer class</title>
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</head>
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<body id="sfv"><a name="sfv"><!-- --></a>
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<!-- Java sync-link --><script language="Javascript" src="../rzahg/synch.js" type="text/javascript"></script>
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<h1 class="topictitle1">SpooledFileViewer class</h1>
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<div><p></p>
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<div class="section"><p>The <a href="javadoc/com/ibm/as400/vaccess/SpooledFileViewer.html"> SpooledFileViewer class</a> creates a window for viewing Advanced
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Function Printing™ (AFP™) and Systems Network Architecture character string
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(SCS) files that have been spooled for printing. The class essentially adds
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a "print preview" function to your spooled files, common to most word processing
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programs, as illustrated in <a href="#sfv__spoolfig">Figure 1</a>.</p>
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</div>
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<div class="section"><p>The spooled file viewer is especially helpful when viewing the
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accuracy of the layout of the files is more important than printing the files,
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or when viewing the data is more economical than printing, or when a printer
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is not available.</p>
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</div>
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<div class="section"><div class="note"><span class="notetitle">Note:</span> SS1 Option 8 (AFP Compatibility Fonts) must be installed
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on the host server.</div>
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</div>
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<div class="section"><p><strong>Using the SpooledFileViewer class</strong></p>
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</div>
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<div class="section"><p>Three constructor methods are available to create an instance
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of the SpooledFileViewer class. The <a href="javadoc/com/ibm/as400/vaccess/SpooledFileViewer.html#SPOOLEDFILEVIEWER()">SpooledFileViewer()</a> constructor can be used to create
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a viewer without a spooled file associated with it. If this constructor is
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used, a spooled file will need to be set later using <a href="javadoc/com/ibm/as400/vaccess/SpooledFileViewer.html#SETSPOOLEDFILE(COM.IBM.AS400.ACCESS.SPOOLEDFILE)">setSpooledFile(SpooledFile)</a>. The <a href="javadoc/com/ibm/as400/vaccess/SpooledFileViewer.html#SPOOLEDFILEVIEWER(COM.IBM.AS400.ACCESS.SPOOLEDFILE)"> SpooledFileViewer(SpooledFile)</a> constructor can be used
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to create a viewer for the given spooled file, with page one as the initial
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view. Finally, the <a href="javadoc/com/ibm/as400/vaccess/SpooledFileViewer.html#SPOOLEDFILEVIEWER(COM.IBM.AS400.ACCESS.SPOOLEDFILE, INT)">SpooledFileViewer(spooledFile, int)</a> constructor can be
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used to create a viewer for the given spooled file with the specified page
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as the initial view. No matter which constructor is used, once a viewer is
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created, a call to <a href="javadoc/com/ibm/as400/vaccess/SpooledFileViewer.html#LOAD()">load()</a> must be performed in order to actually retrieve
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the spooled file data.</p>
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</div>
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<div class="section"><p>Then, your program can traverse the individual pages of the spooled
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file by using the following methods:</p>
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</div>
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<div class="section"><ul><li><a href="javadoc/com/ibm/as400/vaccess/SpooledFileViewer.html#LOADFLASHPAGE()">load FlashPage()</a></li>
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<li><a href="javadoc/com/ibm/as400/vaccess/SpooledFileViewer.html#LOADPAGE()">load Page()</a></li>
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<li><a href="javadoc/com/ibm/as400/vaccess/SpooledFileViewer.html#PAGEBACK()">pageBack()</a></li>
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<li><a href="javadoc/com/ibm/as400/vaccess/SpooledFileViewer.html#PAGEFORWARD()">pageForward()</a></li>
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</ul>
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</div>
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<div class="section"><p>If, however, you need to examine particular sections of the document
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more closely, you can magnify or reduce the image of a page of the document
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by altering the ratio proportions of each page with the following:</p>
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</div>
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<div class="section"><ul><li><a href="javadoc/com/ibm/as400/vaccess/SpooledFileViewer.html#FITHEIGHT()">fitHeight()</a></li>
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<li><a href="javadoc/com/ibm/as400/vaccess/SpooledFileViewer.html#FITPAGE()">fitPage()</a></li>
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<li><a href="javadoc/com/ibm/as400/vaccess/SpooledFileViewer.html#FITWIDTH()">fitWidth()</a></li>
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<li><a href="javadoc/com/ibm/as400/vaccess/SpooledFileViewer.html#ACTUALSIZE()">actualSize()</a></li>
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</ul>
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</div>
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<div class="section"><p>Your program concludes with calling the <a href="javadoc/com/ibm/as400/vaccess/SpooledFileViewer.html#CLOSE()">close()</a> method that closes the input stream and releases
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any resource associations with the stream.</p>
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</div>
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<div class="section"><p><strong>Using the SpooledFileViewer</strong></p>
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</div>
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<div class="section"><p><span class="synph" id="sfv__panel"><a name="sfv__panel"><!-- --></a><span class="kwd"></span></span>An instance of the SpooledFileViewer
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class is actually a graphical representation of a viewer capable of displaying
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and navigating through an AFP or SCS spooled file. For example, the following code
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creates the spooled file viewer in Figure 1 to display a spooled file previously
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created on the server.</p>
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</div>
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<div class="section"><div class="note"><span class="notetitle">Note:</span> You can either select a button on the image in <a href="#sfv__spoolfig">Figure
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1</a> for an explanation of its function, or (if your browser is not JavaScript™
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enabled) <a href="#sfv__list">see the toolbar description</a>.</div>
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</div>
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<div class="section"><div class="p"><pre>// Assume splf is the spooled file.
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// Create the spooled file viewer
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SpooledFileViewer splfv = new SpooledFileViewer(splf, 1);
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splfv.load();
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// Add the spooled file viewer to a frame
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JFrame frame = new JFrame("My Window");
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frame.getContentPane().add(splfv);
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frame.pack();
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frame.show();</pre>
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</div>
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</div>
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<div class="section"><p><strong><span class="synph" id="sfv__spoolfig"><a name="sfv__spoolfig"><!-- --></a><span class="kwd"></span></span>Figure 1: SpooledFileViewer</strong></p>
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</div>
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<div class="section"><p><img src="rzahh113.gif" alt="SpooledFile Viewer. For more information about the toolbar icons, see the descriptions that follow this image." /> </p>
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</div>
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<div class="section"><p><strong><span class="synph" id="sfv__list"><a name="sfv__list"><!-- --></a><span class="kwd"></span></span>SpooledFileViewer Toolbar
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description</strong></p>
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</div>
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<div class="section"><p><img src="rzahh516.gif" alt="Actual Size tool icon" />The actual size button returns the spooled file page image to its
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original size by using the actualSize() method.</p>
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</div>
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<div class="section"><p><img src="rzahh520.gif" alt="Fit Width tool icon" />The fit width button stretches the spooled file page image to the
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left and right edges of the viewer's frame by using the fitWidth() method.</p>
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</div>
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<div class="section"><p><img src="rzahh521.gif" alt="Fit Page tool icon" /> The fit page button stretches the spooled file page image vertically
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and horizontally to fit within the spooled file viewer's frame by using the
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fitPage() method.</p>
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</div>
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<div class="section"><p><img src="rzahh522.gif" alt="Zoom tool icon" /> The zoom button allows you to increase or decrease the size of the
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spooled file page image by selecting one of the preset percentages or entering
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your own percent in a text field that appears in a dialog box after selecting
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the zoom button.</p>
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</div>
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<div class="section"><p><img src="rzahh523.gif" alt="Go To Page tool icon" /> The go to page button allows you to go to a specific page within
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the spooled file when selected.</p>
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</div>
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<div class="section"><p><img src="rzahh524.gif" alt="First Page tool icon" />The first page button takes you to the first page of the spooled file
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when selected and indicates that you are on the first page when deactivated.</p>
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</div>
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<div class="section"><p><img src="rzahh525.gif" alt="Previous Page tool icon" /> The previous page button takes you to the page immediately before
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the page you are viewing when selected.</p>
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</div>
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<div class="section"><p><img src="rzahh526.gif" alt="Next Page tool icon" /> The next page button advances you to the page immediately after the
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page you are viewing when selected.</p>
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</div>
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<div class="section"><p><img src="rzahh527.gif" alt="Last Page tool icon" />The last page button advances you to the last page of the spooled
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file when selected and indicates that you are on the last page when deactivated.</p>
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</div>
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<div class="section"><p><img src="rzahh517.gif" alt="Load Flash Page tool icon" /> The load flash page button loads the previously viewed page by using
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the loadFlashPage() method when selected.</p>
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</div>
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<div class="section"><p><img src="rzahh518.gif" alt="Set Paper Size tool icon" />The set paper size button allows you to set the paper size when selected.</p>
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</div>
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<div class="section"><p><img src="rzahh519.gif" alt="Set Viewing Fidelity tool icon" /> The set viewing fidelity button allows you to
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set the viewing fidelity when selected.</p>
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</div>
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</div>
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</body>
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</html>
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