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<title>Qt 4.5: QSizeF Class Reference</title>
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<title>Qt 4.6: QSizeF Class Reference</title>
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<td align="right" valign="top" width="230"></td></tr></table><h1 class="title">QSizeF Class Reference<br /><span class="small-subtitle">[<a href="qtcore.html">QtCore</a> module]</span>
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</tr></table><h1 class="title">QSizeF Class Reference<br /><span class="small-subtitle">[<a href="qtcore.html">QtCore</a> module]</span>
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<p>The QSizeF class defines the size of a two-dimensional object using floating point precision. <a href="#details">More...</a></p>
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<pre> #include <QSizeF></pre><ul>
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<li><a href="qsizef-members.html">List of all members, including inherited members</a></li>
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<a name="public-functions"></a>
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<h3>Public Functions</h3>
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<li><div class="fn"></div><b><a href="qsizef.html#QSizeF">QSizeF</a></b> ()</li>
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<li><div class="fn"></div><b><a href="qsizef.html#QSizeF-2">QSizeF</a></b> ( const QSize & <i>size</i> )</li>
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<li><div class="fn"></div><b><a href="qsizef.html#QSizeF-3">QSizeF</a></b> ( qreal <i>width</i>, qreal <i>height</i> )</li>
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<li><div class="fn"></div>QSizeF <b><a href="qsizef.html#boundedTo">boundedTo</a></b> ( const QSizeF & <i>otherSize</i> ) const</li>
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<li><div class="fn"></div>QSizeF <b><a href="qsizef.html#expandedTo">expandedTo</a></b> ( const QSizeF & <i>otherSize</i> ) const</li>
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<li><div class="fn"></div>qreal <b><a href="qsizef.html#height">height</a></b> () const</li>
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<li><div class="fn"></div>bool <b><a href="qsizef.html#isEmpty">isEmpty</a></b> () const</li>
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<li><div class="fn"></div>bool <b><a href="qsizef.html#isNull">isNull</a></b> () const</li>
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<li><div class="fn"></div>bool <b><a href="qsizef.html#isValid">isValid</a></b> () const</li>
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<li><div class="fn"></div>qreal & <b><a href="qsizef.html#rheight">rheight</a></b> ()</li>
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<li><div class="fn"></div>qreal & <b><a href="qsizef.html#rwidth">rwidth</a></b> ()</li>
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<li><div class="fn"></div>void <b><a href="qsizef.html#scale">scale</a></b> ( qreal <i>width</i>, qreal <i>height</i>, Qt::AspectRatioMode <i>mode</i> )</li>
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<li><div class="fn"></div>void <b><a href="qsizef.html#scale-2">scale</a></b> ( const QSizeF & <i>size</i>, Qt::AspectRatioMode <i>mode</i> )</li>
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<li><div class="fn"></div>void <b><a href="qsizef.html#setHeight">setHeight</a></b> ( qreal <i>height</i> )</li>
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<li><div class="fn"></div>void <b><a href="qsizef.html#setWidth">setWidth</a></b> ( qreal <i>width</i> )</li>
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<li><div class="fn"></div>QSize <b><a href="qsizef.html#toSize">toSize</a></b> () const</li>
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<li><div class="fn"></div>void <b><a href="qsizef.html#transpose">transpose</a></b> ()</li>
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<li><div class="fn"></div>qreal <b><a href="qsizef.html#width">width</a></b> () const</li>
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<li><div class="fn"></div>QSizeF & <b><a href="qsizef.html#operator-2a-eq">operator*=</a></b> ( qreal <i>factor</i> )</li>
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<li><div class="fn"></div>QSizeF & <b><a href="qsizef.html#operator-2b-eq">operator+=</a></b> ( const QSizeF & <i>size</i> )</li>
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<li><div class="fn"></div>QSizeF & <b><a href="qsizef.html#operator--eq">operator-=</a></b> ( const QSizeF & <i>size</i> )</li>
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<li><div class="fn"></div>QSizeF & <b><a href="qsizef.html#operator-2f-eq">operator/=</a></b> ( qreal <i>divisor</i> )</li>
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<h2>Public Functions</h2>
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<table class="alignedsummary" border="0" cellpadding="0" cellspacing="0" width="100%">
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<tr><td class="memItemLeft" align="right" valign="top"></td><td class="memItemRight" valign="bottom"><b><a href="qsizef.html#QSizeF">QSizeF</a></b> ()</td></tr>
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<tr><td class="memItemLeft" align="right" valign="top"></td><td class="memItemRight" valign="bottom"><b><a href="qsizef.html#QSizeF-2">QSizeF</a></b> ( const QSize & <i>size</i> )</td></tr>
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<tr><td class="memItemLeft" align="right" valign="top"></td><td class="memItemRight" valign="bottom"><b><a href="qsizef.html#QSizeF-3">QSizeF</a></b> ( qreal <i>width</i>, qreal <i>height</i> )</td></tr>
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<tr><td class="memItemLeft" align="right" valign="top">QSizeF </td><td class="memItemRight" valign="bottom"><b><a href="qsizef.html#boundedTo">boundedTo</a></b> ( const QSizeF & <i>otherSize</i> ) const</td></tr>
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<tr><td class="memItemLeft" align="right" valign="top">QSizeF </td><td class="memItemRight" valign="bottom"><b><a href="qsizef.html#expandedTo">expandedTo</a></b> ( const QSizeF & <i>otherSize</i> ) const</td></tr>
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<tr><td class="memItemLeft" align="right" valign="top">qreal </td><td class="memItemRight" valign="bottom"><b><a href="qsizef.html#height">height</a></b> () const</td></tr>
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<tr><td class="memItemLeft" align="right" valign="top">bool </td><td class="memItemRight" valign="bottom"><b><a href="qsizef.html#isEmpty">isEmpty</a></b> () const</td></tr>
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<tr><td class="memItemLeft" align="right" valign="top">bool </td><td class="memItemRight" valign="bottom"><b><a href="qsizef.html#isNull">isNull</a></b> () const</td></tr>
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<tr><td class="memItemLeft" align="right" valign="top">bool </td><td class="memItemRight" valign="bottom"><b><a href="qsizef.html#isValid">isValid</a></b> () const</td></tr>
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<tr><td class="memItemLeft" align="right" valign="top">qreal & </td><td class="memItemRight" valign="bottom"><b><a href="qsizef.html#rheight">rheight</a></b> ()</td></tr>
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<tr><td class="memItemLeft" align="right" valign="top">qreal & </td><td class="memItemRight" valign="bottom"><b><a href="qsizef.html#rwidth">rwidth</a></b> ()</td></tr>
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<tr><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><b><a href="qsizef.html#scale">scale</a></b> ( qreal <i>width</i>, qreal <i>height</i>, Qt::AspectRatioMode <i>mode</i> )</td></tr>
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<tr><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><b><a href="qsizef.html#scale-2">scale</a></b> ( const QSizeF & <i>size</i>, Qt::AspectRatioMode <i>mode</i> )</td></tr>
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<tr><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><b><a href="qsizef.html#setHeight">setHeight</a></b> ( qreal <i>height</i> )</td></tr>
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<tr><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><b><a href="qsizef.html#setWidth">setWidth</a></b> ( qreal <i>width</i> )</td></tr>
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<tr><td class="memItemLeft" align="right" valign="top">QSize </td><td class="memItemRight" valign="bottom"><b><a href="qsizef.html#toSize">toSize</a></b> () const</td></tr>
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<tr><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><b><a href="qsizef.html#transpose">transpose</a></b> ()</td></tr>
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<tr><td class="memItemLeft" align="right" valign="top">qreal </td><td class="memItemRight" valign="bottom"><b><a href="qsizef.html#width">width</a></b> () const</td></tr>
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<tr><td class="memItemLeft" align="right" valign="top">QSizeF & </td><td class="memItemRight" valign="bottom"><b><a href="qsizef.html#operator-2a-eq">operator*=</a></b> ( qreal <i>factor</i> )</td></tr>
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<tr><td class="memItemLeft" align="right" valign="top">QSizeF & </td><td class="memItemRight" valign="bottom"><b><a href="qsizef.html#operator-2b-eq">operator+=</a></b> ( const QSizeF & <i>size</i> )</td></tr>
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<tr><td class="memItemLeft" align="right" valign="top">QSizeF & </td><td class="memItemRight" valign="bottom"><b><a href="qsizef.html#operator--eq">operator-=</a></b> ( const QSizeF & <i>size</i> )</td></tr>
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<tr><td class="memItemLeft" align="right" valign="top">QSizeF & </td><td class="memItemRight" valign="bottom"><b><a href="qsizef.html#operator-2f-eq">operator/=</a></b> ( qreal <i>divisor</i> )</td></tr>
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<a name="related-non-members"></a>
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<h3>Related Non-Members</h3>
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<li><div class="fn"></div>bool <b><a href="qsizef.html#operator-not-eq-23">operator!=</a></b> ( const QSizeF & <i>s1</i>, const QSizeF & <i>s2</i> )</li>
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<li><div class="fn"></div>const QSizeF <b><a href="qsizef.html#operator-2a-28">operator*</a></b> ( const QSizeF & <i>size</i>, qreal <i>factor</i> )</li>
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<li><div class="fn"></div>const QSizeF <b><a href="qsizef.html#operator-2a-29">operator*</a></b> ( qreal <i>factor</i>, const QSizeF & <i>size</i> )</li>
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<li><div class="fn"></div>const QSizeF <b><a href="qsizef.html#operator-2b-8">operator+</a></b> ( const QSizeF & <i>s1</i>, const QSizeF & <i>s2</i> )</li>
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<li><div class="fn"></div>const QSizeF <b><a href="qsizef.html#operator--5">operator-</a></b> ( const QSizeF & <i>s1</i>, const QSizeF & <i>s2</i> )</li>
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<li><div class="fn"></div>const QSizeF <b><a href="qsizef.html#operator-2f-6">operator/</a></b> ( const QSizeF & <i>size</i>, qreal <i>divisor</i> )</li>
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<li><div class="fn"></div>QDataStream & <b><a href="qsizef.html#operator-lt-lt-69">operator<<</a></b> ( QDataStream & <i>stream</i>, const QSizeF & <i>size</i> )</li>
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<li><div class="fn"></div>bool <b><a href="qsizef.html#operator-eq-eq-30">operator==</a></b> ( const QSizeF & <i>s1</i>, const QSizeF & <i>s2</i> )</li>
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<li><div class="fn"></div>QDataStream & <b><a href="qsizef.html#operator-gt-gt-45">operator>></a></b> ( QDataStream & <i>stream</i>, QSizeF & <i>size</i> )</li>
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<h2>Related Non-Members</h2>
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<table class="alignedsummary" border="0" cellpadding="0" cellspacing="0" width="100%">
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<tr><td class="memItemLeft" align="right" valign="top">bool </td><td class="memItemRight" valign="bottom"><b><a href="qsizef.html#operator-not-eq-6">operator!=</a></b> ( const QSizeF & <i>s1</i>, const QSizeF & <i>s2</i> )</td></tr>
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<tr><td class="memItemLeft" align="right" valign="top">const QSizeF </td><td class="memItemRight" valign="bottom"><b><a href="qsizef.html#operator-2a-55">operator*</a></b> ( const QSizeF & <i>size</i>, qreal <i>factor</i> )</td></tr>
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<tr><td class="memItemLeft" align="right" valign="top">const QSizeF </td><td class="memItemRight" valign="bottom"><b><a href="qsizef.html#operator-2a-56">operator*</a></b> ( qreal <i>factor</i>, const QSizeF & <i>size</i> )</td></tr>
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<tr><td class="memItemLeft" align="right" valign="top">const QSizeF </td><td class="memItemRight" valign="bottom"><b><a href="qsizef.html#operator-2b-8">operator+</a></b> ( const QSizeF & <i>s1</i>, const QSizeF & <i>s2</i> )</td></tr>
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<tr><td class="memItemLeft" align="right" valign="top">const QSizeF </td><td class="memItemRight" valign="bottom"><b><a href="qsizef.html#operator--5">operator-</a></b> ( const QSizeF & <i>s1</i>, const QSizeF & <i>s2</i> )</td></tr>
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<tr><td class="memItemLeft" align="right" valign="top">const QSizeF </td><td class="memItemRight" valign="bottom"><b><a href="qsizef.html#operator-2f-12">operator/</a></b> ( const QSizeF & <i>size</i>, qreal <i>divisor</i> )</td></tr>
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<tr><td class="memItemLeft" align="right" valign="top">QDataStream & </td><td class="memItemRight" valign="bottom"><b><a href="qsizef.html#operator-lt-lt-43">operator<<</a></b> ( QDataStream & <i>stream</i>, const QSizeF & <i>size</i> )</td></tr>
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<tr><td class="memItemLeft" align="right" valign="top">bool </td><td class="memItemRight" valign="bottom"><b><a href="qsizef.html#operator-eq-eq-11">operator==</a></b> ( const QSizeF & <i>s1</i>, const QSizeF & <i>s2</i> )</td></tr>
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<tr><td class="memItemLeft" align="right" valign="top">QDataStream & </td><td class="memItemRight" valign="bottom"><b><a href="qsizef.html#operator-gt-gt-18">operator>></a></b> ( QDataStream & <i>stream</i>, QSizeF & <i>size</i> )</td></tr>
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<a name="details"></a>
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<h2>Detailed Description</h2>
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<p>See also <a href="qsizef.html#toSize">toSize</a>().</p>
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<h3 class="fn"><a name="QSizeF-3"></a>QSizeF::QSizeF ( <a href="qtglobal.html#qreal-typedef">qreal</a> <i>width</i>, <a href="qtglobal.html#qreal-typedef">qreal</a> <i>height</i> )</h3>
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<p>Constructs a size with the given <i>width</i> and <i>height</i>.</p>
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<a name="//apple_ref/cpp/instm/QSizeF/boundedTo" />
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<h3 class="fn"><a name="boundedTo"></a>QSizeF QSizeF::boundedTo ( const QSizeF & <i>otherSize</i> ) const</h3>
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<p>Returns a size holding the minimum width and height of this size and the given <i>otherSize</i>.</p>
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<p>See also <a href="qsizef.html#expandedTo">expandedTo</a>() and <a href="qsizef.html#scale">scale</a>().</p>
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<a name="//apple_ref/cpp/instm/QSizeF/expandedTo" />
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<h3 class="fn"><a name="expandedTo"></a>QSizeF QSizeF::expandedTo ( const QSizeF & <i>otherSize</i> ) const</h3>
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<p>Returns a size holding the maximum width and height of this size and the given <i>otherSize</i>.</p>
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<p>See also <a href="qsizef.html#boundedTo">boundedTo</a>() and <a href="qsizef.html#scale">scale</a>().</p>
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<a name="//apple_ref/cpp/instm/QSizeF/height" />
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<h3 class="fn"><a name="height"></a><a href="qtglobal.html#qreal-typedef">qreal</a> QSizeF::height () const</h3>
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<p>Returns the height.</p>
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<p>See also <a href="qsizef.html#width">width</a>() and <a href="qsizef.html#setHeight">setHeight</a>().</p>
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<a name="//apple_ref/cpp/instm/QSizeF/isEmpty" />
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<h3 class="fn"><a name="isEmpty"></a>bool QSizeF::isEmpty () const</h3>
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<p>Returns true if either of the width and height is less than or equal to 0; otherwise returns false.</p>
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<p>See also <a href="qsizef.html#isNull">isNull</a>() and <a href="qsizef.html#isValid">isValid</a>().</p>
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<a name="//apple_ref/cpp/instm/QSizeF/isNull" />
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<h3 class="fn"><a name="isNull"></a>bool QSizeF::isNull () const</h3>
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<p>Returns true if both the width and height is 0; otherwise returns false.</p>
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<p>See also <a href="qsizef.html#isValid">isValid</a>() and <a href="qsizef.html#isEmpty">isEmpty</a>().</p>
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<a name="//apple_ref/cpp/instm/QSizeF/isValid" />
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<h3 class="fn"><a name="isValid"></a>bool QSizeF::isValid () const</h3>
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<p>Returns true if both the width and height is equal to or greater than 0; otherwise returns false.</p>
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<p>See also <a href="qsizef.html#isNull">isNull</a>() and <a href="qsizef.html#isEmpty">isEmpty</a>().</p>
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<a name="//apple_ref/cpp/instm/QSizeF/rheight" />
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<h3 class="fn"><a name="rheight"></a><a href="qtglobal.html#qreal-typedef">qreal</a> & QSizeF::rheight ()</h3>
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<p>Returns a reference to the height.</p>
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<p>Using a reference makes it possible to manipulate the height directly. For example:</p>
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<h3 class="fn"><a name="scale-2"></a>void QSizeF::scale ( const QSizeF & <i>size</i>, <a href="qt.html#AspectRatioMode-enum">Qt::AspectRatioMode</a> <i>mode</i> )</h3>
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<p>This is an overloaded function.</p>
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<p>Scales the size to a rectangle with the given <i>size</i>, according to the specified <i>mode</i>.</p>
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<a name="//apple_ref/cpp/instm/QSizeF/setHeight" />
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<h3 class="fn"><a name="setHeight"></a>void QSizeF::setHeight ( <a href="qtglobal.html#qreal-typedef">qreal</a> <i>height</i> )</h3>
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<p>Sets the height to the given <i>height</i>.</p>
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<p>See also <a href="qsizef.html#height">height</a>(), <a href="qsizef.html#rheight">rheight</a>(), and <a href="qsizef.html#setWidth">setWidth</a>().</p>
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<a name="//apple_ref/cpp/instm/QSizeF/setWidth" />
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<h3 class="fn"><a name="setWidth"></a>void QSizeF::setWidth ( <a href="qtglobal.html#qreal-typedef">qreal</a> <i>width</i> )</h3>
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<p>Sets the width to the given <i>width</i>.</p>
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<p>See also <a href="qsizef.html#width">width</a>(), <a href="qsizef.html#rwidth">rwidth</a>(), and <a href="qsizef.html#setHeight">setHeight</a>().</p>
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<a name="//apple_ref/cpp/instm/QSizeF/toSize" />
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<h3 class="fn"><a name="toSize"></a><a href="qsize.html">QSize</a> QSizeF::toSize () const</h3>
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<p>Returns an integer based copy of this size.</p>
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<p>Note that the coordinates in the returned size will be rounded to the nearest integer.</p>
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<p>See also <a href="qsizef.html#QSizeF">QSizeF</a>().</p>
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<a name="//apple_ref/cpp/instm/QSizeF/transpose" />
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<h3 class="fn"><a name="transpose"></a>void QSizeF::transpose ()</h3>
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<p>Swaps the width and height values.</p>
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<p>See also <a href="qsizef.html#setWidth">setWidth</a>() and <a href="qsizef.html#setHeight">setHeight</a>().</p>
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<a name="//apple_ref/cpp/instm/QSizeF/width" />
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<h3 class="fn"><a name="width"></a><a href="qtglobal.html#qreal-typedef">qreal</a> QSizeF::width () const</h3>
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<p>Returns the width.</p>
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<p>See also <a href="qsizef.html#height">height</a>() and <a href="qsizef.html#setWidth">setWidth</a>().</p>
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<a name="//apple_ref/cpp/instm/QSizeF/operator*=" />
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<h3 class="fn"><a name="operator-2a-eq"></a>QSizeF & QSizeF::operator*= ( <a href="qtglobal.html#qreal-typedef">qreal</a> <i>factor</i> )</h3>
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<p>This is an overloaded function.</p>
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<p>Multiplies both the width and height by the given <i>factor</i> and returns a reference to the size.</p>
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<p>See also <a href="qsizef.html#scale">scale</a>().</p>
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<a name="//apple_ref/cpp/instm/QSizeF/operator+=" />
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<h3 class="fn"><a name="operator-2b-eq"></a>QSizeF & QSizeF::operator+= ( const QSizeF & <i>size</i> )</h3>
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<p>Adds the given <i>size</i> to this size and returns a reference to this size. For example:</p>
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<pre> QSizeF s( 3, 7);
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<span class="comment"> // s becomes (4,3)</span></pre>
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<a name="//apple_ref/cpp/instm/QSizeF/operator/=" />
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<h3 class="fn"><a name="operator-2f-eq"></a>QSizeF & QSizeF::operator/= ( <a href="qtglobal.html#qreal-typedef">qreal</a> <i>divisor</i> )</h3>
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<p>This is an overloaded function.</p>
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<p>Divides both the width and height by the given <i>divisor</i> and returns a reference to the size.</p>
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<p>See also <a href="qsizef.html#scale">scale</a>().</p>
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<h2>Related Non-Members</h2>
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<h3 class="fn"><a name="operator-not-eq-23"></a>bool operator!= ( const QSizeF & <i>s1</i>, const QSizeF & <i>s2</i> )</h3>
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<h3 class="fn"><a name="operator-not-eq-6"></a>bool operator!= ( const QSizeF & <i>s1</i>, const QSizeF & <i>s2</i> )</h3>
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<p>Returns true if <i>s1</i> and <i>s2</i> are different; otherwise returns false.</p>
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<h3 class="fn"><a name="operator-2a-28"></a>const QSizeF operator* ( const QSizeF & <i>size</i>, <a href="qtglobal.html#qreal-typedef">qreal</a> <i>factor</i> )</h3>
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<h3 class="fn"><a name="operator-2a-55"></a>const QSizeF operator* ( const QSizeF & <i>size</i>, <a href="qtglobal.html#qreal-typedef">qreal</a> <i>factor</i> )</h3>
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<p>This is an overloaded function.</p>
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<p>Multiplies the given <i>size</i> by the given <i>factor</i> and returns the result.</p>
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<p>See also <a href="qsizef.html#scale">QSizeF::scale</a>().</p>
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<h3 class="fn"><a name="operator-2a-29"></a>const QSizeF operator* ( <a href="qtglobal.html#qreal-typedef">qreal</a> <i>factor</i>, const QSizeF & <i>size</i> )</h3>
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<h3 class="fn"><a name="operator-2a-56"></a>const QSizeF operator* ( <a href="qtglobal.html#qreal-typedef">qreal</a> <i>factor</i>, const QSizeF & <i>size</i> )</h3>
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<p>This is an overloaded function.</p>
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<p>Multiplies the given <i>size</i> by the given <i>factor</i> and returns the result.</p>
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<h3 class="fn"><a name="operator-2b-8"></a>const QSizeF operator+ ( const QSizeF & <i>s1</i>, const QSizeF & <i>s2</i> )</h3>
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<p>Returns the sum of <i>s1</i> and <i>s2</i>; each component is added separately.</p>
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<h3 class="fn"><a name="operator--5"></a>const QSizeF operator- ( const QSizeF & <i>s1</i>, const QSizeF & <i>s2</i> )</h3>
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<p>Returns <i>s2</i> subtracted from <i>s1</i>; each component is subtracted separately.</p>
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<h3 class="fn"><a name="operator-2f-6"></a>const QSizeF operator/ ( const QSizeF & <i>size</i>, <a href="qtglobal.html#qreal-typedef">qreal</a> <i>divisor</i> )</h3>
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<h3 class="fn"><a name="operator-2f-12"></a>const QSizeF operator/ ( const QSizeF & <i>size</i>, <a href="qtglobal.html#qreal-typedef">qreal</a> <i>divisor</i> )</h3>
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<p>This is an overloaded function.</p>
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<p>Divides the given <i>size</i> by the given <i>divisor</i> and returns the result.</p>
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<p>See also <a href="qsizef.html#scale">QSizeF::scale</a>().</p>
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<h3 class="fn"><a name="operator-lt-lt-69"></a><a href="qdatastream.html">QDataStream</a> & operator<< ( <a href="qdatastream.html">QDataStream</a> & <i>stream</i>, const QSizeF & <i>size</i> )</h3>
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<h3 class="fn"><a name="operator-lt-lt-43"></a><a href="qdatastream.html">QDataStream</a> & operator<< ( <a href="qdatastream.html">QDataStream</a> & <i>stream</i>, const QSizeF & <i>size</i> )</h3>
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<p>Writes the given <i>size</i> to the given <i>stream</i> and returns a reference to the stream.</p>
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<p>See also <a href="datastreamformat.html">Format of the QDataStream Operators</a>.</p>
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<h3 class="fn"><a name="operator-eq-eq-30"></a>bool operator== ( const QSizeF & <i>s1</i>, const QSizeF & <i>s2</i> )</h3>
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<h3 class="fn"><a name="operator-eq-eq-11"></a>bool operator== ( const QSizeF & <i>s1</i>, const QSizeF & <i>s2</i> )</h3>
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<p>Returns true if <i>s1</i> and <i>s2</i> are equal; otherwise returns false.</p>
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<h3 class="fn"><a name="operator-gt-gt-45"></a><a href="qdatastream.html">QDataStream</a> & operator>> ( <a href="qdatastream.html">QDataStream</a> & <i>stream</i>, QSizeF & <i>size</i> )</h3>
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<h3 class="fn"><a name="operator-gt-gt-18"></a><a href="qdatastream.html">QDataStream</a> & operator>> ( <a href="qdatastream.html">QDataStream</a> & <i>stream</i>, QSizeF & <i>size</i> )</h3>
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<p>Reads a size from the given <i>stream</i> into the given <i>size</i> and returns a reference to the stream.</p>
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<p>See also <a href="datastreamformat.html">Format of the QDataStream Operators</a>.</p>
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<td width="40%" align="right"><div align="right">Qt 4.6.0</div></td>
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