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<td align="right" valign="center"><img src="logo32.png" align="right" width="64" height="32" border="0"></td></tr></table><h1 align=center>TQSize Class Reference</h1>

<p>The TQSize class defines the size of a two-dimensional object.
<a href="#details">More...</a>
<p><tt>#include &lt;<a href="qsize-h.html">ntqsize.h</a>&gt;</tt>
<p><a href="qsize-members.html">List of all member functions.</a>
<h2>Public Members</h2>
<ul>
<li class=fn>enum <a href="#ScaleMode-enum"><b>ScaleMode</b></a> { ScaleFree, ScaleMin, ScaleMax }</li>
<li class=fn><a href="#TQSize"><b>TQSize</b></a> ()</li>
<li class=fn><a href="#TQSize-2"><b>TQSize</b></a> ( int&nbsp;w, int&nbsp;h )</li>
<li class=fn>bool <a href="#isNull"><b>isNull</b></a> () const</li>
<li class=fn>bool <a href="#isEmpty"><b>isEmpty</b></a> () const</li>
<li class=fn>bool <a href="#isValid"><b>isValid</b></a> () const</li>
<li class=fn>int <a href="#width"><b>width</b></a> () const</li>
<li class=fn>int <a href="#height"><b>height</b></a> () const</li>
<li class=fn>void <a href="#setWidth"><b>setWidth</b></a> ( int&nbsp;w )</li>
<li class=fn>void <a href="#setHeight"><b>setHeight</b></a> ( int&nbsp;h )</li>
<li class=fn>void <a href="#transpose"><b>transpose</b></a> ()</li>
<li class=fn>void <a href="#scale"><b>scale</b></a> ( int&nbsp;w, int&nbsp;h, ScaleMode&nbsp;mode )</li>
<li class=fn>void <a href="#scale-2"><b>scale</b></a> ( const&nbsp;TQSize&nbsp;&amp;&nbsp;s, ScaleMode&nbsp;mode )</li>
<li class=fn>TQSize <a href="#expandedTo"><b>expandedTo</b></a> ( const&nbsp;TQSize&nbsp;&amp;&nbsp;otherSize ) const</li>
<li class=fn>TQSize <a href="#boundedTo"><b>boundedTo</b></a> ( const&nbsp;TQSize&nbsp;&amp;&nbsp;otherSize ) const</li>
<li class=fn>TQCOORD &amp; <a href="#rwidth"><b>rwidth</b></a> ()</li>
<li class=fn>TQCOORD &amp; <a href="#rheight"><b>rheight</b></a> ()</li>
<li class=fn>TQSize &amp; <a href="#operator+-eq"><b>operator+=</b></a> ( const&nbsp;TQSize&nbsp;&amp;&nbsp;s )</li>
<li class=fn>TQSize &amp; <a href="#operator--eq"><b>operator-=</b></a> ( const&nbsp;TQSize&nbsp;&amp;&nbsp;s )</li>
<li class=fn>TQSize &amp; <a href="#operator*-eq"><b>operator*=</b></a> ( int&nbsp;c )</li>
<li class=fn>TQSize &amp; <a href="#operator*-eq-2"><b>operator*=</b></a> ( double&nbsp;c )</li>
<li class=fn>TQSize &amp; <a href="#operator/-eq"><b>operator/=</b></a> ( int&nbsp;c )</li>
<li class=fn>TQSize &amp; <a href="#operator/-eq-2"><b>operator/=</b></a> ( double&nbsp;c )</li>
</ul>
<h2>Related Functions</h2>
<ul>
<li class=fn>bool <a href="#operator-eq-eq"><b>operator==</b></a> ( const&nbsp;TQSize&nbsp;&amp;&nbsp;s1, const&nbsp;TQSize&nbsp;&amp;&nbsp;s2 )</li>
<li class=fn>bool <a href="#operator!-eq"><b>operator!=</b></a> ( const&nbsp;TQSize&nbsp;&amp;&nbsp;s1, const&nbsp;TQSize&nbsp;&amp;&nbsp;s2 )</li>
<li class=fn>const TQSize <a href="#operator+"><b>operator+</b></a> ( const&nbsp;TQSize&nbsp;&amp;&nbsp;s1, const&nbsp;TQSize&nbsp;&amp;&nbsp;s2 )</li>
<li class=fn>const TQSize <a href="#operator-"><b>operator-</b></a> ( const&nbsp;TQSize&nbsp;&amp;&nbsp;s1, const&nbsp;TQSize&nbsp;&amp;&nbsp;s2 )</li>
<li class=fn>const TQSize <a href="#operator*"><b>operator*</b></a> ( const&nbsp;TQSize&nbsp;&amp;&nbsp;s, int&nbsp;c )</li>
<li class=fn>const TQSize <a href="#operator*-2"><b>operator*</b></a> ( int&nbsp;c, const&nbsp;TQSize&nbsp;&amp;&nbsp;s )</li>
<li class=fn>const TQSize <a href="#operator*-3"><b>operator*</b></a> ( const&nbsp;TQSize&nbsp;&amp;&nbsp;s, double&nbsp;c )</li>
<li class=fn>const TQSize <a href="#operator*-4"><b>operator*</b></a> ( double&nbsp;c, const&nbsp;TQSize&nbsp;&amp;&nbsp;s )</li>
<li class=fn>const TQSize <a href="#operator/"><b>operator/</b></a> ( const&nbsp;TQSize&nbsp;&amp;&nbsp;s, int&nbsp;c )</li>
<li class=fn>const TQSize <a href="#operator/-2"><b>operator/</b></a> ( const&nbsp;TQSize&nbsp;&amp;&nbsp;s, double&nbsp;c )</li>
<li class=fn>TQDataStream &amp; <a href="#operator-lt-lt"><b>operator&lt;&lt;</b></a> ( TQDataStream&nbsp;&amp;&nbsp;s, const&nbsp;TQSize&nbsp;&amp;&nbsp;sz )</li>
<li class=fn>TQDataStream &amp; <a href="#operator-gt-gt"><b>operator&gt;&gt;</b></a> ( TQDataStream&nbsp;&amp;&nbsp;s, TQSize&nbsp;&amp;&nbsp;sz )</li>
</ul>
<hr><a name="details"></a><h2>Detailed Description</h2>


The TQSize class defines the size of a two-dimensional object.
<p> 

<p> A size is specified by a width and a height.
<p> The coordinate type is TQCOORD (defined in <tt>&lt;ntqwindowdefs.h&gt;</tt> as <tt>int</tt>).
The minimum value of TQCOORD is TQCOORD_MIN (-2147483648) and the maximum
value is TQCOORD_MAX (2147483647).
<p> The size can be set in the constructor and changed with <a href="#setWidth">setWidth</a>()
and <a href="#setHeight">setHeight</a>(), or using <a href="#operator+-eq">operator+=</a>(), <a href="#operator--eq">operator-=</a>(), <a href="#operator*-eq">operator*=</a>()
and <a href="#operator/-eq">operator/=</a>(), etc. You can swap the width and height with
<a href="#transpose">transpose</a>(). You can get a size which holds the maximum height and
width of two sizes using <a href="#expandedTo">expandedTo</a>(), and the minimum height and
width of two sizes using <a href="#boundedTo">boundedTo</a>().
<p> <p>See also <a href="ntqpoint.html">TQPoint</a>, <a href="ntqrect.html">TQRect</a>, <a href="graphics.html">Graphics Classes</a>, and <a href="images.html">Image Processing Classes</a>.

<hr><h2>Member Type Documentation</h2>
<h3 class=fn><a name="ScaleMode-enum"></a>TQSize::ScaleMode</h3> 
<p> This enum type defines the different ways of scaling a size.
<p> <center><img src="scaling.png"></center> 
<ul>
<li><tt>TQSize::ScaleFree</tt> - The size is scaled freely. The ratio is not preserved.
<li><tt>TQSize::ScaleMin</tt> - The size is scaled to a rectangle as large as possible
inside a given rectangle, preserving the aspect ratio.
<li><tt>TQSize::ScaleMax</tt> - The size is scaled to a rectangle as small as possible
outside a given rectangle, preserving the aspect ratio.
</ul><p> <p>See also <a href="#scale">TQSize::scale</a>(), <a href="ntqimage.html#scale">TQImage::scale</a>(), and <a href="ntqimage.html#smoothScale">TQImage::smoothScale</a>().

<hr><h2>Member Function Documentation</h2>
<h3 class=fn><a name="TQSize"></a>TQSize::TQSize ()
</h3>

Constructs a size with invalid (negative) width and height.

<h3 class=fn><a name="TQSize-2"></a>TQSize::TQSize ( int&nbsp;w, int&nbsp;h )
</h3>

Constructs a size with width <em>w</em> and height <em>h</em>.

<h3 class=fn><a href="ntqsize.html">TQSize</a> <a name="boundedTo"></a>TQSize::boundedTo ( const&nbsp;<a href="ntqsize.html">TQSize</a>&nbsp;&amp;&nbsp;otherSize ) const
</h3>

<p> Returns a size with the minimum width and height of this size and
<em>otherSize</em>.

<h3 class=fn><a href="ntqsize.html">TQSize</a> <a name="expandedTo"></a>TQSize::expandedTo ( const&nbsp;<a href="ntqsize.html">TQSize</a>&nbsp;&amp;&nbsp;otherSize ) const
</h3>

<p> Returns a size with the maximum width and height of this size and
<em>otherSize</em>.

<p>Examples: <a href="customlayout-example.html#x1528">customlayout/card.cpp</a> and <a href="customlayout-example.html#x1485">customlayout/flow.cpp</a>.
<h3 class=fn>int <a name="height"></a>TQSize::height () const
</h3>

Returns the height.
<p>See also <a href="#width">width</a>().

<p>Examples: <a href="movies-example.html#x520">movies/main.cpp</a>, <a href="qfd-example.html#x2007">qfd/fontdisplayer.cpp</a>, and <a href="qfd-example.html#x2016">qfd/qfd.cpp</a>.
<h3 class=fn>bool <a name="isEmpty"></a>TQSize::isEmpty () const
</h3>

Returns TRUE if the width is less than or equal to 0, or the height is
less than or equal to 0; otherwise returns FALSE.

<h3 class=fn>bool <a name="isNull"></a>TQSize::isNull () const
</h3>

Returns TRUE if the width is 0 and the height is 0; otherwise
returns FALSE.

<h3 class=fn>bool <a name="isValid"></a>TQSize::isValid () const
</h3>

Returns TRUE if the width is equal to or greater than 0 and the height is
equal to or greater than 0; otherwise returns FALSE.

<h3 class=fn><a href="ntqsize.html">TQSize</a>&nbsp;&amp; <a name="operator*-eq"></a>TQSize::operator*= ( int&nbsp;c )
</h3>

Multiplies both the width and height by <em>c</em> and returns a reference to
the size.

<h3 class=fn><a href="ntqsize.html">TQSize</a>&nbsp;&amp; <a name="operator*-eq-2"></a>TQSize::operator*= ( double&nbsp;c )
</h3>
This is an overloaded member function, provided for convenience. It behaves essentially like the above function.
<p> Multiplies both the width and height by <em>c</em> and returns a reference to
the size.
<p> Note that the result is truncated.

<h3 class=fn><a href="ntqsize.html">TQSize</a>&nbsp;&amp; <a name="operator+-eq"></a>TQSize::operator+= ( const&nbsp;<a href="ntqsize.html">TQSize</a>&nbsp;&amp;&nbsp;s )
</h3>

<p> Adds <em>s</em> to the size and returns a reference to this size.
<p> Example:
<pre>
    TQSize s(  3, 7 );
    TQSize r( -1, 4 );
    s += r;                     // s becomes (2,11)
</pre>
 

<h3 class=fn><a href="ntqsize.html">TQSize</a>&nbsp;&amp; <a name="operator--eq"></a>TQSize::operator-= ( const&nbsp;<a href="ntqsize.html">TQSize</a>&nbsp;&amp;&nbsp;s )
</h3>

<p> Subtracts <em>s</em> from the size and returns a reference to this size.
<p> Example:
<pre>
    TQSize s(  3, 7 );
    TQSize r( -1, 4 );
    s -= r;                     // s becomes (4,3)
  </pre>
 

<h3 class=fn><a href="ntqsize.html">TQSize</a>&nbsp;&amp; <a name="operator/-eq"></a>TQSize::operator/= ( int&nbsp;c )
</h3>

Divides both the width and height by <em>c</em> and returns a reference to the
size.

<h3 class=fn><a href="ntqsize.html">TQSize</a>&nbsp;&amp; <a name="operator/-eq-2"></a>TQSize::operator/= ( double&nbsp;c )
</h3>

This is an overloaded member function, provided for convenience. It behaves essentially like the above function.
<p> Divides both the width and height by <em>c</em> and returns a reference to the
size.
<p> Note that the result is truncated.

<h3 class=fn>TQCOORD &amp; <a name="rheight"></a>TQSize::rheight ()
</h3>

Returns a reference to the height.
<p> Using a reference makes it possible to directly manipulate the height.
<p> Example:
<pre>
    TQSize s( 100, 10 );
    s.<a href="#rheight">rheight</a>() += 5;           // s becomes (100,15)
  </pre>
 
<p> <p>See also <a href="#rwidth">rwidth</a>().

<h3 class=fn>TQCOORD &amp; <a name="rwidth"></a>TQSize::rwidth ()
</h3>

Returns a reference to the width.
<p> Using a reference makes it possible to directly manipulate the width.
<p> Example:
<pre>
    TQSize s( 100, 10 );
    s.<a href="#rwidth">rwidth</a>() += 20;           // s becomes (120,10)
  </pre>
 
<p> <p>See also <a href="#rheight">rheight</a>().

<h3 class=fn>void <a name="scale"></a>TQSize::scale ( int&nbsp;w, int&nbsp;h, <a href="ntqsize.html#ScaleMode-enum">ScaleMode</a>&nbsp;mode )
</h3>
Scales the size to a rectangle of width <em>w</em> and height <em>h</em> according
to the ScaleMode <em>mode</em>.
<p> <ul>
<li> If <em>mode</em> is <a href="#ScaleMode-enum">ScaleFree</a>, the size is set to (<em>w</em>, <em>h</em>).
<li> If <em>mode</em> is <a href="#ScaleMode-enum">ScaleMin</a>, the current size is scaled to a rectangle
as large as possible inside (<em>w</em>, <em>h</em>), preserving the aspect ratio.
<li> If <em>mode</em> is <a href="#ScaleMode-enum">ScaleMax</a>, the current size is scaled to a rectangle
as small as possible outside (<em>w</em>, <em>h</em>), preserving the aspect ratio.
</ul>
<p> Example:
<pre>
    TQSize t1( 10, 12 );
    t1.<a href="#scale">scale</a>( 60, 60, TQSize::<a href="#ScaleMode-enum">ScaleFree</a> );
    // t1 is (60, 60)

    TQSize t2( 10, 12 );
    t2.<a href="#scale">scale</a>( 60, 60, TQSize::<a href="#ScaleMode-enum">ScaleMin</a> );
    // t2 is (50, 60)

    TQSize t3( 10, 12 );
    t3.<a href="#scale">scale</a>( 60, 60, TQSize::<a href="#ScaleMode-enum">ScaleMax</a> );
    // t3 is (60, 72)
    </pre>
 

<h3 class=fn>void <a name="scale-2"></a>TQSize::scale ( const&nbsp;<a href="ntqsize.html">TQSize</a>&nbsp;&amp;&nbsp;s, <a href="ntqsize.html#ScaleMode-enum">ScaleMode</a>&nbsp;mode )
</h3>
This is an overloaded member function, provided for convenience. It behaves essentially like the above function.
<p> Equivalent to <a href="#scale">scale</a>(<em>s</em>.<a href="#width">width</a>(), <em>s</em>.<a href="#height">height</a>(), <em>mode</em>).

<h3 class=fn>void <a name="setHeight"></a>TQSize::setHeight ( int&nbsp;h )
</h3>

Sets the height to <em>h</em>.
<p>See also <a href="#height">height</a>() and <a href="#setWidth">setWidth</a>().

<h3 class=fn>void <a name="setWidth"></a>TQSize::setWidth ( int&nbsp;w )
</h3>

Sets the width to <em>w</em>.
<p>See also <a href="#width">width</a>() and <a href="#setHeight">setHeight</a>().

<h3 class=fn>void <a name="transpose"></a>TQSize::transpose ()
</h3>
Swaps the values of width and height.

<h3 class=fn>int <a name="width"></a>TQSize::width () const
</h3>

Returns the width.
<p>See also <a href="#height">height</a>().

<p>Examples: <a href="movies-example.html#x521">movies/main.cpp</a>, <a href="qfd-example.html#x2008">qfd/fontdisplayer.cpp</a>, and <a href="qfd-example.html#x2017">qfd/qfd.cpp</a>.
<hr><h2>Related Functions</h2>
<h3 class=fn>bool <a name="operator!-eq"></a>operator!= ( const&nbsp;<a href="ntqsize.html">TQSize</a>&nbsp;&amp;&nbsp;s1, const&nbsp;<a href="ntqsize.html">TQSize</a>&nbsp;&amp;&nbsp;s2 )
</h3>


Returns TRUE if <em>s1</em> and <em>s2</em> are different; otherwise returns FALSE.

<h3 class=fn>const&nbsp;<a href="ntqsize.html">TQSize</a> <a name="operator*"></a>operator* ( const&nbsp;<a href="ntqsize.html">TQSize</a>&nbsp;&amp;&nbsp;s, int&nbsp;c )
</h3>


Multiplies <em>s</em> by <em>c</em> and returns the result.

<h3 class=fn>const&nbsp;<a href="ntqsize.html">TQSize</a> <a name="operator*-2"></a>operator* ( int&nbsp;c, const&nbsp;<a href="ntqsize.html">TQSize</a>&nbsp;&amp;&nbsp;s )
</h3>
This is an overloaded member function, provided for convenience. It behaves essentially like the above function.
<p> 
Multiplies <em>s</em> by <em>c</em> and returns the result.

<h3 class=fn>const&nbsp;<a href="ntqsize.html">TQSize</a> <a name="operator*-3"></a>operator* ( const&nbsp;<a href="ntqsize.html">TQSize</a>&nbsp;&amp;&nbsp;s, double&nbsp;c )
</h3>
This is an overloaded member function, provided for convenience. It behaves essentially like the above function.
<p> 
Multiplies <em>s</em> by <em>c</em> and returns the result.

<h3 class=fn>const&nbsp;<a href="ntqsize.html">TQSize</a> <a name="operator*-4"></a>operator* ( double&nbsp;c, const&nbsp;<a href="ntqsize.html">TQSize</a>&nbsp;&amp;&nbsp;s )
</h3>
This is an overloaded member function, provided for convenience. It behaves essentially like the above function.
<p> 
Multiplies <em>s</em> by <em>c</em> and returns the result.

<h3 class=fn>const&nbsp;<a href="ntqsize.html">TQSize</a> <a name="operator+"></a>operator+ ( const&nbsp;<a href="ntqsize.html">TQSize</a>&nbsp;&amp;&nbsp;s1, const&nbsp;<a href="ntqsize.html">TQSize</a>&nbsp;&amp;&nbsp;s2 )
</h3>


Returns the sum of <em>s1</em> and <em>s2</em>; each component is added separately.

<h3 class=fn>const&nbsp;<a href="ntqsize.html">TQSize</a> <a name="operator-"></a>operator- ( const&nbsp;<a href="ntqsize.html">TQSize</a>&nbsp;&amp;&nbsp;s1, const&nbsp;<a href="ntqsize.html">TQSize</a>&nbsp;&amp;&nbsp;s2 )
</h3>


Returns <em>s2</em> subtracted from <em>s1</em>; each component is
subtracted separately.

<h3 class=fn>const&nbsp;<a href="ntqsize.html">TQSize</a> <a name="operator/"></a>operator/ ( const&nbsp;<a href="ntqsize.html">TQSize</a>&nbsp;&amp;&nbsp;s, int&nbsp;c )
</h3>


Divides <em>s</em> by <em>c</em> and returns the result.

<h3 class=fn>const&nbsp;<a href="ntqsize.html">TQSize</a> <a name="operator/-2"></a>operator/ ( const&nbsp;<a href="ntqsize.html">TQSize</a>&nbsp;&amp;&nbsp;s, double&nbsp;c )
</h3>


This is an overloaded member function, provided for convenience. It behaves essentially like the above function.
<p> Divides <em>s</em> by <em>c</em> and returns the result.
<p> Note that the result is truncated.

<h3 class=fn><a href="ntqdatastream.html">TQDataStream</a>&nbsp;&amp; <a name="operator-lt-lt"></a>operator&lt;&lt; ( <a href="ntqdatastream.html">TQDataStream</a>&nbsp;&amp;&nbsp;s, const&nbsp;<a href="ntqsize.html">TQSize</a>&nbsp;&amp;&nbsp;sz )
</h3>

Writes the size <em>sz</em> to the stream <em>s</em> and returns a reference to
the stream.
<p> <p>See also <a href="datastreamformat.html">Format of the TQDataStream operators</a>.

<h3 class=fn>bool <a name="operator-eq-eq"></a>operator== ( const&nbsp;<a href="ntqsize.html">TQSize</a>&nbsp;&amp;&nbsp;s1, const&nbsp;<a href="ntqsize.html">TQSize</a>&nbsp;&amp;&nbsp;s2 )
</h3>


Returns TRUE if <em>s1</em> and <em>s2</em> are equal; otherwise returns FALSE.

<h3 class=fn><a href="ntqdatastream.html">TQDataStream</a>&nbsp;&amp; <a name="operator-gt-gt"></a>operator&gt;&gt; ( <a href="ntqdatastream.html">TQDataStream</a>&nbsp;&amp;&nbsp;s, <a href="ntqsize.html">TQSize</a>&nbsp;&amp;&nbsp;sz )
</h3>

Reads the size from the stream <em>s</em> into size <em>sz</em> and returns a
reference to the stream.
<p> <p>See also <a href="datastreamformat.html">Format of the TQDataStream operators</a>.

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