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<?xml version="1.0" encoding="UTF-8"?>
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<!-- qquickimageprovider.cpp -->
  <title>QQuickImageResponse Class | Qt Quick 5.5</title>
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<li>Qt 5.5</li>
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<li><a href="qtquick-module.html">C++ Classes</a></li>
<li>QQuickImageResponse</li>
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<h3><a name="toc">Contents</a></h3>
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<li class="level1"><a href="#public-functions">Public Functions</a></li>
<li class="level1"><a href="#public-slots">Public Slots</a></li>
<li class="level1"><a href="#signals">Signals</a></li>
<li class="level1"><a href="#details">Detailed Description</a></li>
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<h1 class="title">QQuickImageResponse Class</h1>
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<p>The <a href="qquickimageresponse.html">QQuickImageResponse</a> class provides an interface for asynchronous image loading in <a href="qquickasyncimageprovider.html">QQuickAsyncImageProvider</a>. <a href="#details">More...</a></p>
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<div class="table"><table class="alignedsummary">
<tr><td class="memItemLeft rightAlign topAlign"> Header:</td><td class="memItemRight bottomAlign"> <span class="preprocessor">#include &lt;QQuickImageResponse&gt;</span>
</td></tr><tr><td class="memItemLeft rightAlign topAlign"> qmake:</td><td class="memItemRight bottomAlign"> QT += quick</td></tr><tr><td class="memItemLeft rightAlign topAlign"> Since:</td><td class="memItemRight bottomAlign">  Qt 5.6</td></tr><tr><td class="memItemLeft rightAlign topAlign"> Inherits:</td><td class="memItemRight bottomAlign"> </td></tr></table></div><ul>
<li><a href="qquickimageresponse-members.html">List of all members, including inherited members</a></li>
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<a name="public-functions"></a>
<h2 id="public-functions">Public Functions</h2>
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<tr><td class="memItemLeft rightAlign topAlign"> </td><td class="memItemRight bottomAlign"><b><a href="qquickimageresponse.html#QQuickImageResponse">QQuickImageResponse</a></b>()</td></tr>
<tr><td class="memItemLeft rightAlign topAlign"> virtual </td><td class="memItemRight bottomAlign"><b><a href="qquickimageresponse.html#dtor.QQuickImageResponse">~QQuickImageResponse</a></b>()</td></tr>
<tr><td class="memItemLeft rightAlign topAlign"> virtual QString </td><td class="memItemRight bottomAlign"><b><a href="qquickimageresponse.html#errorString">errorString</a></b>() const</td></tr>
<tr><td class="memItemLeft rightAlign topAlign"> virtual QQuickTextureFactory * </td><td class="memItemRight bottomAlign"><b><a href="qquickimageresponse.html#textureFactory">textureFactory</a></b>() const = 0</td></tr>
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<a name="public-slots"></a>
<h2 id="public-slots">Public Slots</h2>
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<tr><td class="memItemLeft rightAlign topAlign"> virtual void </td><td class="memItemRight bottomAlign"><b><a href="qquickimageresponse.html#cancel">cancel</a></b>()</td></tr>
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<h2 id="signals">Signals</h2>
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<tr><td class="memItemLeft rightAlign topAlign"> void </td><td class="memItemRight bottomAlign"><b><a href="qquickimageresponse.html#finished">finished</a></b>()</td></tr>
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<div class="descr">
<h2 id="details">Detailed Description</h2>
<p>The <a href="qquickimageresponse.html">QQuickImageResponse</a> class provides an interface for asynchronous image loading in <a href="qquickasyncimageprovider.html">QQuickAsyncImageProvider</a>.</p>
<p>The purpose of an image response is to provide a way for image provider jobs to be executed in an asynchronous way.</p>
<p>Responses are deleted via deleteLater once the <a href="qquickimageresponse.html#finished">finished</a>() signal has been emitted. If you are using QRunnable as base for your <a href="qquickimageresponse.html">QQuickImageResponse</a> ensure automatic deletion is disabled.</p>
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<p><b>See also </b><a href="qquickimageprovider.html">QQuickImageProvider</a>.</p>
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<h2>Member Function Documentation</h2>
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<h3 class="fn" id="QQuickImageResponse"><a name="QQuickImageResponse"></a>QQuickImageResponse::<span class="name">QQuickImageResponse</span>()</h3>
<p>Constructs the image response</p>
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<h3 class="fn" id="dtor.QQuickImageResponse"><a name="dtor.QQuickImageResponse"></a><code>[virtual] </code>QQuickImageResponse::<span class="name">~QQuickImageResponse</span>()</h3>
<p>Destructs the image response</p>
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<h3 class="fn" id="cancel"><a name="cancel"></a><code>[virtual slot] </code><span class="type">void</span> QQuickImageResponse::<span class="name">cancel</span>()</h3>
<p>This method is used to communicate that the response is no longer required by the engine.</p>
<p>It may be reimplemented to cancel a request in the provider side, however, it is not mandatory.</p>
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<h3 class="fn" id="errorString"><a name="errorString"></a><code>[virtual] </code><span class="type">QString</span> QQuickImageResponse::<span class="name">errorString</span>() const</h3>
<p>Returns the error string for the job execution. An empty string means no error.</p>
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<h3 class="fn" id="finished"><a name="finished"></a><code>[signal] </code><span class="type">void</span> QQuickImageResponse::<span class="name">finished</span>()</h3>
<p>Signals that the job execution has finished (be it successfully, because an error happened or because it was cancelled).</p>
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<h3 class="fn" id="textureFactory"><a name="textureFactory"></a><code>[pure virtual] </code><span class="type"><a href="qquicktexturefactory.html">QQuickTextureFactory</a></span> * QQuickImageResponse::<span class="name">textureFactory</span>() const</h3>
<p>Returns the texture factory the job. You can use <a href="qquicktexturefactory.html#textureFactoryForImage">QQuickTextureFactory::textureFactoryForImage</a> if your provider works with QImage</p>
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