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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>MovieSprites - /Clippings/AddOverrideSamples.txt</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/QuickTime/index.html">QuickTime</a> > <a href="../../samplecode/QuickTime/idxWiredMoviesandSprites-date.html">Wired Movies and Sprites</a> > <A HREF="javascript:location.replace('index.html');">MovieSprites</A> >
</td>
</tr>
<tr>
<td colspan="2" scope="row"><img width="680" height="35" src="images/1dot.gif" alt=""></td>
</tr>
</table>
</div>
<!-- END BREADCRUMB -->
<!-- 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">MovieSprites</div></h1></td>
</tr>
</table>
<!-- END TITLE GRAPHIC AND INTRO -->
<!-- START WIDE COLUMN -->
<table width="680" border="0" cellpadding="0" cellspacing="0">
<tr align="left" valign="top">
<td id="scdetails">
<h2>/Clippings/AddOverrideSamples.txt</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">/Application Files/ComApplication.c</option>
<option value="listing2.html">/Application Files/ComApplication.h</option>
<option value="listing3.html">/Application Files/ComResource.h</option>
<option value="listing4.html">/Clippings/AddKeyFrameSampleMedia.txt</option>
<option value="listing5.html">/Clippings/AddMovieResource.txt</option>
<option value="listing6.html">/Clippings/AddOverrideSamples.txt</option>
<option value="listing7.html">/Clippings/AddSpritesToKeyFrameSample.txt</option>
<option value="listing8.html">/Clippings/CreateKeyFrameSample.txt</option>
<option value="listing9.html">/Clippings/CreateSpriteMovie.txt</option>
<option value="listing10.html">/Clippings/CreateSpriteTrackAndMedia.txt</option>
<option value="listing11.html">/Common Files/ComFramework.c</option>
<option value="listing12.html">/Common Files/ComFramework.h</option>
<option value="listing13.html">/Common Files/EndianUtilities.c</option>
<option value="listing14.html">/Common Files/EndianUtilities.h</option>
<option value="listing15.html">/Common Files/ImageCompressionUtilities.c</option>
<option value="listing16.html">/Common Files/ImageCompressionUtilities.h</option>
<option value="listing17.html">/Common Files/MacFramework.c</option>
<option value="listing18.html">/Common Files/MacFramework.h</option>
<option value="listing19.html">/Common Files/MacPrefix.h</option>
<option value="listing20.html">/Common Files/QTUtilities.c</option>
<option value="listing21.html">/Common Files/QTUtilities.h</option>
<option value="listing22.html">/Common Files/SpriteUtilities.c</option>
<option value="listing23.html">/Common Files/SpriteUtilities.h</option>
<option value="listing24.html">/Common Files/WinPrefix.h</option>
<option value="listing25.html">/Completed Lab/QTSprites.c</option>
<option value="listing26.html">/Completed Lab/QTSprites.h</option>
<option value="listing27.html">/Completed Lab/QTSprites.r</option>
<option value="listing28.html">/Start Code/QTSprites.c</option>
<option value="listing29.html">/Start Code/QTSprites.h</option></select>
</p>
</form>
<p><strong><a href="MovieSprites.zip">Download Sample</a></strong> (“MovieSprites.zip”, 2.08M)<BR>
<strong><a href="MovieSprites.dmg">Download Sample</a></strong> (“MovieSprites.dmg”, 2.72M)</p>
<!--
<p><strong><a href="#">Download Sample</a></strong> (“filename.sit”, 500K)</p>
-->
</td>
</tr>
<tr>
<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>
<img width="680" height="20" src="images/1dot.gif" alt=""></td>
</tr>
<tr>
<td scope="row">
<!--googleon: index -->
<pre class="sourcecodebox"> ////////// // // add a few override samples to move the space ship and icon,
and to change the icon's layer // ////////// // original space ship
location myIndex = kFirstSpaceShipImageIndex; myLocation.h =
0; myLocation.v = 80; isVisible = true; for (i = 1; i <=
kNumOverrideSamples; i++) { // remove existing atoms (which we used
above // to create our key frame sample) from our key // frame sample atom
container so we can re-use // the atom containers for our override
samples QTRemoveChildren(mySample,
kParentAtomIsContainer); QTRemoveChildren(mySpriteData,
kParentAtomIsContainer); // every third frame, bump the space ship's image
index (so that it spins as it moves) if ((i % 3) == 0) { myIndex++; if
(myIndex > kLastSpaceShipImageIndex) myIndex =
kFirstSpaceShipImageIndex; } // every frame, bump the space ship's
location (so that it moves as it spins) myLocation.h += 2; myLocation.v +=
1; if (isVisible) SetSpriteData(mySpriteData, &myLocation, NULL, NULL,
&myIndex, NULL, NULL, NULL); else { isVisible =
true; SetSpriteData(mySpriteData, &myLocation, &isVisible, NULL, &myIndex,
NULL, NULL, NULL); } AddSpriteToSample(mySample, mySpriteData,
2); // make the icon move and change layer // first remove previous
children from our container // so we can re-add the new sprite property
atoms QTRemoveChildren(mySpriteData, kParentAtomIsContainer); // change
the icon location myIconLocation.h += myDelta; if (myIconLocation.h >=
myIconMaxH ) { myIconLocation.h = myIconMaxH; myDelta =
-myDelta; } if (myIconLocation.h <= myIconMinH ) { myIconLocation.h =
myIconMinH; myDelta = -myDelta; } // change the sprite layer if
(myDelta > 0) myLayer = 0; else myLayer = 3; // set the data for
the sprite SetSpriteData(mySpriteData, &myIconLocation, NULL, &myLayer, NULL,
NULL, NULL, NULL); AddSpriteToSample(mySample, mySpriteData,
4); AddSpriteSampleToMedia(myMedia, mySample, kSpriteMediaFrameDuration,
false, NULL); } EndMediaEdits(myMedia); // add the media to the
track InsertMediaIntoTrack(myTrack, 0, 0, GetMediaDuration(myMedia), fixed1);</pre>
<!--googleoff: index -->
</td>
</tr>
</table>
<!-- END WIDE COLUMN -->
<!-- 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>
<tr>
<td align="center"><br/>
<table border="0" cellpadding="0" cellspacing="0" class="graybox">
<tr>
<th>Did this document help you?</th>
</tr>
<tr>
<td>
<div style="margin-bottom: 8px"><a href="http://developer.apple.com/feedback/?v=1&url=/samplecode/MovieSprites/listing6.html%3Fid%3DDTS10001040-1.0&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/MovieSprites/listing6.html%3Fid%3DDTS10001040-1.0&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/MovieSprites/listing6.html%3Fid%3DDTS10001040-1.0&media=dvd" target=_new>It wasn’t helpful</a>: Tell us what would have helped.</div>
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</table>
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