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<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN"
"http://www.w3.org/TR/1999/REC-html401-19991224/loose.dtd">
<html>
<head>
<!-- BEGIN META TAG INFO -->
<meta http-equiv="content-type" content="text/html; charset=UTF-8">
<link rel="home" href="http://developer.apple.com/">
<link rel="find" href="http://developer.apple.com/search/">
<link rel="stylesheet" type="text/css" href="../../documentation/css/adcstyle.css" title="fonts">
<script language="JavaScript" src="../../documentation/js/adc.js" type="text/javascript"></script>
<!-- END META TAG INFO -->
<!-- BEGIN TITLE -->
<title>DrawableBroadcaster - /src/StatDrawer.java</title>
<!-- END TITLE -->
<script language="JavaScript">
function JumpToNewPage() {
window.location=document.scpopupmenu.gotop.value;
return true;
}
</script>
</head>
<!-- BEGIN BODY OPEN -->
<body>
<!--END BODY OPEN -->
<!-- START CENTER OPEN -->
<center>
<!-- END CENTER OPEN -->
<!-- BEGIN LOGO AND SEARCH -->
<!--#include virtual="/includes/adcnavbar"-->
<!-- END LOGO AND SEARCH -->
<!-- START BREADCRUMB -->
<div id="breadcrumb">
<table width="680" border="0" cellpadding="0" cellspacing="0">
<tr>
<td scope="row"><img width="340" height="10" src="images/1dot.gif" alt=""></td>
<td><img width="340" height="10" src="images/1dot.gif" alt=""></td>
</tr>
<tr valign="middle">
<td align="left" colspan="2">
<a href="http://developer.apple.com/">ADC Home</a> > <a href="../../referencelibrary/index.html">Reference Library</a> > <a href="../../samplecode/index.html">Sample Code</a> > <a href="../../samplecode/LegacyTechnologies/index.html">Legacy Documents</a> > <a href="../../samplecode/LegacyTechnologies/idxQuickTime-date.html">QuickTime</a> > <A HREF="javascript:location.replace('index.html');">DrawableBroadcaster</A> >
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<td colspan="2" scope="row"><img width="680" height="35" src="images/1dot.gif" alt=""></td>
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<div style="width:100%; position:fixed;"><div align="center" id="watermark" style="position: relative; margin-left:auto; margin-right:auto; z-index:20; width:500px;"><div class="legacybox"><h1>Legacy Document<span class=closebutton><a href="javascript:closeWatermark()"><img src="../../images/closebutton.png" width="14" height="14" border="0" alt="close button"></a></span></h1>
<p><strong>Important: </strong>This document is part of the Legacy section of the ADC Reference Library. This information should not be used for new development.</p>
<div class="reflibtopic">
<p>Current information on this Reference Library topic can be found here:</p>
<ul>
<li><a href="http://developer.apple.com/referencelibrary/QuickTime/idxJava-date.html" target="_blank">QuickTime > Java</a></li>
</ul>
</div>
</div></div></div>
<!-- START MAIN CONTENT -->
<!-- START TITLE GRAPHIC AND INTRO-->
<table width="680" border="0" cellpadding="0" cellspacing="0">
<tr align="left" valign="top">
<td><h1><div id="pagehead">DrawableBroadcaster</div></h1></td>
</tr>
</table>
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<!-- START WIDE COLUMN -->
<table width="680" border="0" cellpadding="0" cellspacing="0">
<tr align="left" valign="top">
<td id="scdetails">
<h2>/src/StatDrawer.java</h2>
<form name="scpopupmenu" onSubmit="return false;" method=post>
<p><strong>View Source Code:</strong>
<select name="gotop" onChange="JumpToNewPage();" style="width:340px"><option selected value="ingnore">Select File</option>
<option value="listing1.html">/README.txt</option>
<option value="listing2.html">/src/BroadcastDrawer.java</option>
<option value="listing3.html">/src/SimplePres.java</option>
<option value="listing4.html">/src/StatDrawer.java</option></select>
</p>
</form>
<p><strong><a href="DrawableBroadcaster.zip">Download Sample</a></strong> (“DrawableBroadcaster.zip”, 30.3K)<BR>
<strong><a href="DrawableBroadcaster.dmg">Download Sample</a></strong> (“DrawableBroadcaster.dmg”, 88.8K)</p>
<!--
<p><strong><a href="#">Download Sample</a></strong> (“filename.sit”, 500K)</p>
-->
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<td scope="row"><img width="680" height="10" src="images/1dot.gif" alt=""><br>
<img height="1" width="680" src="images/1dot_919699.gif" alt=""><br>
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<td scope="row">
<!--googleon: index -->
<pre class="sourcecodebox">/*
* QuickTime for Java SDK Sample Code
*
* Usage subject to restrictions in SDK License Agreement
* Copyright: © 2000 Apple Computer, Inc.
*/
import quicktime.app.time.*;
import quicktime.std.*;
import quicktime.*;
import quicktime.std.clocks.*;
import java.text.DecimalFormat;
import java.awt.*;
/* This class retreives statistical information about the presentation and displays it in the
* main application window
*/
public class StatDrawer extends Tasking {
private static TaskThread updateThread = new TaskThread ("Default SG Tasker", 600);
/* Constructor- sets up the default tasking thread */
public StatDrawer (SimplePres p) {
this.pres = p;
setDefaultTasker(updateThread);
}
/* This method resets the active SimplePres object to get data from */
public void setPres (SimplePres p) {
boolean tasking = (getTasker() == null);
stopTasking();
this.pres = p;
if ( tasking )
startTasking();
}
/**
* This method performs idle processing for the SGDrawer and will be automatically
* called if this object is added to the TaskThread object.
* It the sequence grabber has completed its capture task this method
* will stop tasking the SGDrawer, stop the sequence grabber and call
* the SGCaptureCallback if registered to notify the application that Sequence grabbing
* is complete.
* @see quicktime.util.TaskThread
*/
public synchronized final void task() throws QTException {
TimeBase t = pres.pres.getTimeBase();
TimeRecord r = t.getTRTime();
timeLabel.setText( timeRecordToHHMMSSFF(r, 30, ':', '.'));
rateLabel.setText (new Integer(pres.pres.getTotalDataRate()).toString());
}
/**
* Returns the specified time record as a hour-minutes-seconds-frames string
* according to the specified frames per second value. The first char
* argument is used to separate hours, minutes and seconds and the second
* char is used to separate the frames from the rest of the HHMMSSFF string.
* A null time record or a zero frames-per-second value will result in a null
* returned by the function. Negative frames-per-second values are converted
* to positive integers (absolute value). If frames-per-second exceeds 1000
* 1000 will be used.
*
* @author Ilias Argyriou <[email protected]>
*
* Examples:
* timeRecordToHHMMSSFF(<TimeRecord>, 10, '-', '-') -> "HH-MM-SS-F"
* timeRecordToHHMMSSFF(<TimeRecord>, 30, ':', '.') -> "HH:MM:SS.FF"
* timeRecordToHHMMSSFF(<TimeRecord>, 500, ';', '.') -> "HH;MM;SS.FFF"
*/
public static String timeRecordToHHMMSSFF(TimeRecord tr, int fps, char ss, char fs) {
if (tr == null || fps == 0) {
return null;
}
fps = Math.abs(fps);
// If frames-per-second exceeds 1000, 1000 will be used.
if (fps > 1000) {
fps = 1000;
}
tr.convertTimeScale(fps);
StringBuffer sb = new StringBuffer();
long value = tr.getValue();
int scale = tr.getScale();
if (scale <= 0) {
return null;
}
long h = value / (scale * 3600);
long m = (value / (scale * 60)) % 60;
long s = (value / scale) % 60;
long f = value % scale;
sb.append(DOUBLE_DIGIT_DF.format(h));
sb.append(ss);
sb.append(DOUBLE_DIGIT_DF.format(m));
sb.append(ss);
sb.append(DOUBLE_DIGIT_DF.format(s));
sb.append(fs);
if (fps <= 10) {
sb.append(SINGLE_DIGIT_DF.format(f));
} else if (fps <= 100) {
sb.append(DOUBLE_DIGIT_DF.format(f));
} else if (fps <= 1000) {
sb.append(TRIPLE_DIGIT_DF.format(f));
}
return sb.toString();
}
//_________________________ INSTANCE VARIABLES
private SimplePres pres;
public Label timeLabel, rateLabel;
/** DecimalFormats used to display integer values as strings. */
private static DecimalFormat SINGLE_DIGIT_DF = new DecimalFormat("0");
private static DecimalFormat DOUBLE_DIGIT_DF = new DecimalFormat("00");
private static DecimalFormat TRIPLE_DIGIT_DF = new DecimalFormat("000");
}</pre>
<!--googleoff: index -->
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<!-- END MAIN CONTENT -->
<table width="680" border="0" cellpadding="0" cellspacing="0">
<tr>
<td><div style="width: 100%; height: 1px; background-color: #919699; margin-top: 5px; margin-bottom: 15px"></div></td>
</tr>
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<td align="center"><br/>
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<th>Did this document help you?</th>
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<td>
<div style="margin-bottom: 8px"><a href="http://developer.apple.com/feedback/?v=1&url=/samplecode/DrawableBroadcaster/listing4.html%3Fid%3DDTS10000943-1.0&media=dvd" target=_new>Yes</a>: Tell us what works for you.</div>
<div style="margin-bottom: 8px"><a href="http://developer.apple.com/feedback/?v=2&url=/samplecode/DrawableBroadcaster/listing4.html%3Fid%3DDTS10000943-1.0&media=dvd" target=_new>It’s good, but:</a> Report typos, inaccuracies, and so forth.</div>
<div><a href="http://developer.apple.com/feedback/?v=3&url=/samplecode/DrawableBroadcaster/listing4.html%3Fid%3DDTS10000943-1.0&media=dvd" target=_new>It wasn’t helpful</a>: Tell us what would have helped.</div>
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