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| author | Michele Calgaro <michele.calgaro@yahoo.it> | 2024-07-20 20:15:52 +0900 |
|---|---|---|
| committer | Michele Calgaro <michele.calgaro@yahoo.it> | 2024-07-21 23:04:19 +0900 |
| commit | 1e9fa8e06de5da7fcc268e9cccb2d6b21c5f53a3 (patch) | |
| tree | 5f1bb482f68ee0f95843fbf375cd2274acdabf25 /doc/html/ntqregion.html | |
| parent | 14c414378d96f7463b989384f4a0e5dd76632b6d (diff) | |
| download | tqt3-1e9fa8e06de5da7fcc268e9cccb2d6b21c5f53a3.tar.gz tqt3-1e9fa8e06de5da7fcc268e9cccb2d6b21c5f53a3.zip | |
Rename graphics class nt* related files to equivalent tq* (part 2)
Signed-off-by: Michele Calgaro <michele.calgaro@yahoo.it>
Diffstat (limited to 'doc/html/ntqregion.html')
| -rw-r--r-- | doc/html/ntqregion.html | 364 |
1 files changed, 0 insertions, 364 deletions
diff --git a/doc/html/ntqregion.html b/doc/html/ntqregion.html deleted file mode 100644 index 6ae2683ea..000000000 --- a/doc/html/ntqregion.html +++ /dev/null @@ -1,364 +0,0 @@ -<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN"> -<!-- /home/espenr/tmp/qt-3.3.8-espenr-2499/qt-x11-free-3.3.8/src/kernel/qregion.cpp:44 --> -<html> -<head> -<meta http-equiv="Content-Type" content="text/html; charset=ISO-8859-1"> -<title>TQRegion Class</title> -<style type="text/css"><!-- -fn { margin-left: 1cm; text-indent: -1cm; } -a:link { color: #004faf; text-decoration: none } -a:visited { color: #672967; text-decoration: none } -body { background: #ffffff; color: black; } ---></style> -</head> -<body> - -<table border="0" cellpadding="0" cellspacing="0" width="100%"> -<tr bgcolor="#E5E5E5"> -<td valign=center> - <a href="index.html"> -<font color="#004faf">Home</font></a> - | <a href="classes.html"> -<font color="#004faf">All Classes</font></a> - | <a href="mainclasses.html"> -<font color="#004faf">Main Classes</font></a> - | <a href="annotated.html"> -<font color="#004faf">Annotated</font></a> - | <a href="groups.html"> -<font color="#004faf">Grouped Classes</font></a> - | <a href="functions.html"> -<font color="#004faf">Functions</font></a> -</td> -<td align="right" valign="center"><img src="logo32.png" align="right" width="64" height="32" border="0"></td></tr></table><h1 align=center>TQRegion Class Reference</h1> - -<p>The TQRegion class specifies a clip region for a painter. -<a href="#details">More...</a> -<p><tt>#include <<a href="qregion-h.html">ntqregion.h</a>></tt> -<p><a href="qregion-members.html">List of all member functions.</a> -<h2>Public Members</h2> -<ul> -<li class=fn>enum <a href="#RegionType-enum"><b>RegionType</b></a> { Rectangle, Ellipse }</li> -<li class=fn><a href="#TQRegion"><b>TQRegion</b></a> ()</li> -<li class=fn><a href="#TQRegion-2"><b>TQRegion</b></a> ( int x, int y, int w, int h, RegionType t = Rectangle )</li> -<li class=fn><a href="#TQRegion-3"><b>TQRegion</b></a> ( const TQRect & r, RegionType t = Rectangle )</li> -<li class=fn><a href="#TQRegion-4"><b>TQRegion</b></a> ( const TQPointArray & a, bool winding = FALSE )</li> -<li class=fn><a href="#TQRegion-5"><b>TQRegion</b></a> ( const TQRegion & r )</li> -<li class=fn><a href="#TQRegion-6"><b>TQRegion</b></a> ( const TQBitmap & bm )</li> -<li class=fn><a href="#~TQRegion"><b>~TQRegion</b></a> ()</li> -<li class=fn>TQRegion & <a href="#operator-eq"><b>operator=</b></a> ( const TQRegion & r )</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="#contains"><b>contains</b></a> ( const TQPoint & p ) const</li> -<li class=fn>bool <a href="#contains-2"><b>contains</b></a> ( const TQRect & r ) const</li> -<li class=fn>void <a href="#translate"><b>translate</b></a> ( int dx, int dy )</li> -<li class=fn>TQRegion <a href="#unite"><b>unite</b></a> ( const TQRegion & r ) const</li> -<li class=fn>TQRegion <a href="#intersect"><b>intersect</b></a> ( const TQRegion & r ) const</li> -<li class=fn>TQRegion <a href="#subtract"><b>subtract</b></a> ( const TQRegion & r ) const</li> -<li class=fn>TQRegion <a href="#eor"><b>eor</b></a> ( const TQRegion & r ) const</li> -<li class=fn>TQRect <a href="#boundingRect"><b>boundingRect</b></a> () const</li> -<li class=fn>TQMemArray<TQRect> <a href="#rects"><b>rects</b></a> () const</li> -<li class=fn>const TQRegion <a href="#operator|"><b>operator|</b></a> ( const TQRegion & r ) const</li> -<li class=fn>const TQRegion <a href="#operator+"><b>operator+</b></a> ( const TQRegion & r ) const</li> -<li class=fn>const TQRegion <a href="#operator-and"><b>operator&</b></a> ( const TQRegion & r ) const</li> -<li class=fn>const TQRegion <a href="#operator-"><b>operator-</b></a> ( const TQRegion & r ) const</li> -<li class=fn>const TQRegion <a href="#operator^"><b>operator^</b></a> ( const TQRegion & r ) const</li> -<li class=fn>TQRegion & <a href="#operator|-eq"><b>operator|=</b></a> ( const TQRegion & r )</li> -<li class=fn>TQRegion & <a href="#operator+-eq"><b>operator+=</b></a> ( const TQRegion & r )</li> -<li class=fn>TQRegion & <a href="#operator-and-eq"><b>operator&=</b></a> ( const TQRegion & r )</li> -<li class=fn>TQRegion & <a href="#operator--eq"><b>operator-=</b></a> ( const TQRegion & r )</li> -<li class=fn>TQRegion & <a href="#operator^-eq"><b>operator^=</b></a> ( const TQRegion & r )</li> -<li class=fn>bool <a href="#operator-eq-eq"><b>operator==</b></a> ( const TQRegion & r ) const</li> -<li class=fn>bool <a href="#operator!-eq"><b>operator!=</b></a> ( const TQRegion & r ) const</li> -<li class=fn>HRGN <a href="#handle"><b>handle</b></a> () const</li> -</ul> -<h2>Related Functions</h2> -<ul> -<li class=fn>TQDataStream & <a href="#operator-lt-lt"><b>operator<<</b></a> ( TQDataStream & s, const TQRegion & r )</li> -<li class=fn>TQDataStream & <a href="#operator-gt-gt"><b>operator>></b></a> ( TQDataStream & s, TQRegion & r )</li> -</ul> -<hr><a name="details"></a><h2>Detailed Description</h2> - - -The TQRegion class specifies a clip region for a painter. -<p> - -<p> TQRegion is used with <a href="tqpainter.html#setClipRegion">TQPainter::setClipRegion</a>() to limit the paint -area to what needs to be painted. There is also a -<a href="tqwidget.html#repaint">TQWidget::repaint</a>() that takes a TQRegion parameter. TQRegion is the -best tool for reducing flicker. -<p> A region can be created from a rectangle, an ellipse, a polygon or -a bitmap. Complex regions may be created by combining simple -regions using <a href="#unite">unite</a>(), <a href="#intersect">intersect</a>(), <a href="#subtract">subtract</a>() or <a href="#eor">eor</a>() (exclusive -or). You can move a region using <a href="#translate">translate</a>(). -<p> You can test whether a region <a href="#isNull">isNull</a>(), <a href="#isEmpty">isEmpty</a>() or if it -<a href="#contains">contains</a>() a <a href="ntqpoint.html">TQPoint</a> or <a href="ntqrect.html">TQRect</a>. The bounding rectangle is given by -<a href="#boundingRect">boundingRect</a>(). -<p> The function <a href="#rects">rects</a>() gives a decomposition of the region into -rectangles. -<p> Example of using complex regions: -<pre> - void MyWidget::paintEvent( <a href="tqpaintevent.html">TQPaintEvent</a> * ) - { - <a href="tqpainter.html">TQPainter</a> p; // our painter - TQRegion r1( TQRect(100,100,200,80), // r1 = elliptic region - TQRegion::<a href="#RegionType-enum">Ellipse</a> ); - TQRegion r2( TQRect(100,120,90,30) ); // r2 = rectangular region - TQRegion r3 = r1.<a href="#intersect">intersect</a>( r2 ); // r3 = intersection - p.<a href="tqpainter.html#begin">begin</a>( this ); // start painting widget - p.<a href="tqpainter.html#setClipRegion">setClipRegion</a>( r3 ); // set clip region - ... // paint clipped graphics - p.<a href="tqpainter.html#end">end</a>(); // painting done - } - </pre> - -<p> TQRegion is an <a href="shclass.html">implicitly shared</a> class. -<p> <b>Warning:</b> Due to window system limitations, the whole coordinate -space for a region is limited to the points between -32767 and -32767 on Mac OS X and Windows 95/98/ME. -<p> <p>See also <a href="tqpainter.html#setClipRegion">TQPainter::setClipRegion</a>(), <a href="tqpainter.html#setClipRect">TQPainter::setClipRect</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="RegionType-enum"></a>TQRegion::RegionType</h3> - -<p> Specifies the shape of the region to be created. -<ul> -<li><tt>TQRegion::Rectangle</tt> - the region covers the entire rectangle. -<li><tt>TQRegion::Ellipse</tt> - the region is an ellipse inside the rectangle. -</ul> -<hr><h2>Member Function Documentation</h2> -<h3 class=fn><a name="TQRegion"></a>TQRegion::TQRegion () -</h3> -Constructs a null region. -<p> <p>See also <a href="#isNull">isNull</a>(). - -<h3 class=fn><a name="TQRegion-2"></a>TQRegion::TQRegion ( int x, int y, int w, int h, <a href="ntqregion.html#RegionType-enum">RegionType</a> t = Rectangle ) -</h3> -Constructs a rectangular or elliptic region. -<p> If <em>t</em> is <a href="#RegionType-enum">Rectangle</a>, the region is the filled rectangle (<em>x</em>, -<em>y</em>, <em>w</em>, <em>h</em>). If <em>t</em> is <a href="#RegionType-enum">Ellipse</a>, the region is the filled -ellipse with center at (<em>x</em> + <em>w</em> / 2, <em>y</em> + <em>h</em> / 2) and size -(<em>w</em> ,<em>h</em> ). - -<h3 class=fn><a name="TQRegion-3"></a>TQRegion::TQRegion ( const <a href="ntqrect.html">TQRect</a> & r, <a href="ntqregion.html#RegionType-enum">RegionType</a> t = Rectangle ) -</h3> -This is an overloaded member function, provided for convenience. It behaves essentially like the above function. -<p> Create a region based on the rectange <em>r</em> with region type <em>t</em>. -<p> If the rectangle is invalid a null region will be created. -<p> <p>See also <a href="#RegionType-enum">TQRegion::RegionType</a>. - -<h3 class=fn><a name="TQRegion-4"></a>TQRegion::TQRegion ( const <a href="ntqpointarray.html">TQPointArray</a> & a, bool winding = FALSE ) -</h3> -Constructs a polygon region from the point array <em>a</em>. -<p> If <em>winding</em> is TRUE, the polygon region is filled using the -winding algorithm, otherwise the default even-odd fill algorithm -is used. -<p> This constructor may create complex regions that will slow down -painting when used. - -<h3 class=fn><a name="TQRegion-5"></a>TQRegion::TQRegion ( const <a href="ntqregion.html">TQRegion</a> & r ) -</h3> -Constructs a new region which is equal to region <em>r</em>. - -<h3 class=fn><a name="TQRegion-6"></a>TQRegion::TQRegion ( const <a href="tqbitmap.html">TQBitmap</a> & bm ) -</h3> -Constructs a region from the bitmap <em>bm</em>. -<p> The resulting region consists of the pixels in bitmap <em>bm</em> that -are <tt>color1</tt>, as if each pixel was a 1 by 1 rectangle. -<p> This constructor may create complex regions that will slow down -painting when used. Note that drawing masked pixmaps can be done -much faster using <a href="ntqpixmap.html#setMask">TQPixmap::setMask</a>(). - -<h3 class=fn><a name="~TQRegion"></a>TQRegion::~TQRegion () -</h3> -Destroys the region. - -<h3 class=fn><a href="ntqrect.html">TQRect</a> <a name="boundingRect"></a>TQRegion::boundingRect () const -</h3> -Returns the bounding rectangle of this region. An empty region -gives a rectangle that is <a href="ntqrect.html#isNull">TQRect::isNull</a>(). - -<h3 class=fn>bool <a name="contains"></a>TQRegion::contains ( const <a href="ntqpoint.html">TQPoint</a> & p ) const -</h3> -Returns TRUE if the region contains the point <em>p</em>; otherwise -returns FALSE. - -<h3 class=fn>bool <a name="contains-2"></a>TQRegion::contains ( const <a href="ntqrect.html">TQRect</a> & r ) const -</h3> -This is an overloaded member function, provided for convenience. It behaves essentially like the above function. -<p> Returns TRUE if the region overlaps the rectangle <em>r</em>; otherwise -returns FALSE. - -<h3 class=fn><a href="ntqregion.html">TQRegion</a> <a name="eor"></a>TQRegion::eor ( const <a href="ntqregion.html">TQRegion</a> & r ) const -</h3> -Returns a region which is the exclusive or (XOR) of this region -and <em>r</em>. -<p> <center><img src="rxor.png" alt="Region XORed"></center> -<p> The figure shows the exclusive or of two elliptical regions. - -<h3 class=fn>HRGN <a name="handle"></a>TQRegion::handle () const -</h3> - -<p> Returns the region's handle. - -<h3 class=fn><a href="ntqregion.html">TQRegion</a> <a name="intersect"></a>TQRegion::intersect ( const <a href="ntqregion.html">TQRegion</a> & r ) const -</h3> -Returns a region which is the intersection of this region and <em>r</em>. -<p> <center><img src="rintersect.png" alt="Region Intersection"></center> -<p> The figure shows the intersection of two elliptical regions. - -<h3 class=fn>bool <a name="isEmpty"></a>TQRegion::isEmpty () const -</h3> -Returns TRUE if the region is empty; otherwise returns FALSE. An -empty region is a region that contains no points. -<p> Example: -<pre> - TQRegion r1( 10, 10, 20, 20 ); - TQRegion r2( 40, 40, 20, 20 ); - TQRegion r3; - r1.<a href="#isNull">isNull</a>(); // FALSE - r1.<a href="#isEmpty">isEmpty</a>(); // FALSE - r3.<a href="#isNull">isNull</a>(); // TRUE - r3.<a href="#isEmpty">isEmpty</a>(); // TRUE - r3 = r1.<a href="#intersect">intersect</a>( r2 ); // r3 = intersection of r1 and r2 - r3.<a href="#isNull">isNull</a>(); // FALSE - r3.<a href="#isEmpty">isEmpty</a>(); // TRUE - r3 = r1.<a href="#unite">unite</a>( r2 ); // r3 = union of r1 and r2 - r3.<a href="#isNull">isNull</a>(); // FALSE - r3.<a href="#isEmpty">isEmpty</a>(); // FALSE - </pre> - -<p> <p>See also <a href="#isNull">isNull</a>(). - -<h3 class=fn>bool <a name="isNull"></a>TQRegion::isNull () const -</h3> -Returns TRUE if the region is a null region; otherwise returns -FALSE. -<p> A null region is a region that has not been initialized. A null -region is always empty. -<p> <p>See also <a href="#isEmpty">isEmpty</a>(). - -<h3 class=fn>bool <a name="operator!-eq"></a>TQRegion::operator!= ( const <a href="ntqregion.html">TQRegion</a> & r ) const -</h3> - -<p> Returns TRUE if the region is different from <em>r</em>; otherwise -returns FALSE. - -<h3 class=fn>const <a href="ntqregion.html">TQRegion</a> <a name="operator-and"></a>TQRegion::operator& ( const <a href="ntqregion.html">TQRegion</a> & r ) const -</h3> -Applies the <a href="#intersect">intersect</a>() function to this region and <em>r</em>. <tt>r1&r2</tt> -is equivalent to <tt>r1.intersect(r2)</tt> -<p> <p>See also <a href="#intersect">intersect</a>(). - -<h3 class=fn><a href="ntqregion.html">TQRegion</a> & <a name="operator-and-eq"></a>TQRegion::operator&= ( const <a href="ntqregion.html">TQRegion</a> & r ) -</h3> -Applies the <a href="#intersect">intersect</a>() function to this region and <em>r</em> and -assigns the result to this region. <tt>r1&=r2</tt> is equivalent to <tt>r1=r1.intersect(r2)</tt> -<p> <p>See also <a href="#intersect">intersect</a>(). - -<h3 class=fn>const <a href="ntqregion.html">TQRegion</a> <a name="operator+"></a>TQRegion::operator+ ( const <a href="ntqregion.html">TQRegion</a> & r ) const -</h3> -Applies the <a href="#unite">unite</a>() function to this region and <em>r</em>. <tt>r1+r2</tt> is -equivalent to <tt>r1.unite(r2)</tt> -<p> <p>See also <a href="#unite">unite</a>() and <a href="#operator|">operator|</a>(). - -<h3 class=fn><a href="ntqregion.html">TQRegion</a> & <a name="operator+-eq"></a>TQRegion::operator+= ( const <a href="ntqregion.html">TQRegion</a> & r ) -</h3> -Applies the <a href="#unite">unite</a>() function to this region and <em>r</em> and assigns -the result to this region. <tt>r1+=r2</tt> is equivalent to <tt>r1=r1.unite(r2)</tt> -<p> <p>See also <a href="#intersect">intersect</a>(). - -<h3 class=fn>const <a href="ntqregion.html">TQRegion</a> <a name="operator-"></a>TQRegion::operator- ( const <a href="ntqregion.html">TQRegion</a> & r ) const -</h3> -Applies the <a href="#subtract">subtract</a>() function to this region and <em>r</em>. <tt>r1-r2</tt> -is equivalent to <tt>r1.subtract(r2)</tt> -<p> <p>See also <a href="#subtract">subtract</a>(). - -<h3 class=fn><a href="ntqregion.html">TQRegion</a> & <a name="operator--eq"></a>TQRegion::operator-= ( const <a href="ntqregion.html">TQRegion</a> & r ) -</h3> -Applies the <a href="#subtract">subtract</a>() function to this region and <em>r</em> and -assigns the result to this region. <tt>r1-=r2</tt> is equivalent to <tt>r1=r1.subtract(r2)</tt> -<p> <p>See also <a href="#subtract">subtract</a>(). - -<h3 class=fn><a href="ntqregion.html">TQRegion</a> & <a name="operator-eq"></a>TQRegion::operator= ( const <a href="ntqregion.html">TQRegion</a> & r ) -</h3> -Assigns <em>r</em> to this region and returns a reference to the region. - -<h3 class=fn>bool <a name="operator-eq-eq"></a>TQRegion::operator== ( const <a href="ntqregion.html">TQRegion</a> & r ) const -</h3> -Returns TRUE if the region is equal to <em>r</em>; otherwise returns -FALSE. - -<h3 class=fn>const <a href="ntqregion.html">TQRegion</a> <a name="operator^"></a>TQRegion::operator^ ( const <a href="ntqregion.html">TQRegion</a> & r ) const -</h3> -Applies the <a href="#eor">eor</a>() function to this region and <em>r</em>. <tt>r1^r2</tt> is -equivalent to <tt>r1.eor(r2)</tt> -<p> <p>See also <a href="#eor">eor</a>(). - -<h3 class=fn><a href="ntqregion.html">TQRegion</a> & <a name="operator^-eq"></a>TQRegion::operator^= ( const <a href="ntqregion.html">TQRegion</a> & r ) -</h3> -Applies the <a href="#eor">eor</a>() function to this region and <em>r</em> and -assigns the result to this region. <tt>r1^=r2</tt> is equivalent to <tt>r1=r1.eor(r2)</tt> -<p> <p>See also <a href="#eor">eor</a>(). - -<h3 class=fn>const <a href="ntqregion.html">TQRegion</a> <a name="operator|"></a>TQRegion::operator| ( const <a href="ntqregion.html">TQRegion</a> & r ) const -</h3> -Applies the <a href="#unite">unite</a>() function to this region and <em>r</em>. <tt>r1|r2</tt> is -equivalent to <tt>r1.unite(r2)</tt> -<p> <p>See also <a href="#unite">unite</a>() and <a href="#operator+">operator+</a>(). - -<h3 class=fn><a href="ntqregion.html">TQRegion</a> & <a name="operator|-eq"></a>TQRegion::operator|= ( const <a href="ntqregion.html">TQRegion</a> & r ) -</h3> -Applies the <a href="#unite">unite</a>() function to this region and <em>r</em> and assigns -the result to this region. <tt>r1|=r2</tt> is equivalent to <tt>r1=r1.unite(r2)</tt> -<p> <p>See also <a href="#unite">unite</a>(). - -<h3 class=fn><a href="tqmemarray.html">TQMemArray</a><TQRect> <a name="rects"></a>TQRegion::rects () const -</h3> -Returns an array of non-overlapping rectangles that make up the -region. -<p> The union of all the rectangles is equal to the original region. - -<h3 class=fn><a href="ntqregion.html">TQRegion</a> <a name="subtract"></a>TQRegion::subtract ( const <a href="ntqregion.html">TQRegion</a> & r ) const -</h3> -Returns a region which is <em>r</em> subtracted from this region. -<p> <center><img src="rsubtract.png" alt="Region Subtraction"></center> -<p> The figure shows the result when the ellipse on the right is -subtracted from the ellipse on the left. (<tt>left-right</tt> ) - -<h3 class=fn>void <a name="translate"></a>TQRegion::translate ( int dx, int dy ) -</h3> -Translates (moves) the region <em>dx</em> along the X axis and <em>dy</em> -along the Y axis. - -<h3 class=fn><a href="ntqregion.html">TQRegion</a> <a name="unite"></a>TQRegion::unite ( const <a href="ntqregion.html">TQRegion</a> & r ) const -</h3> -Returns a region which is the union of this region and <em>r</em>. -<p> <center><img src="runion.png" alt="Region Union"></center> -<p> The figure shows the union of two elliptical regions. - -<hr><h2>Related Functions</h2> -<h3 class=fn><a href="tqdatastream.html">TQDataStream</a> & <a name="operator-lt-lt"></a>operator<< ( <a href="tqdatastream.html">TQDataStream</a> & s, const <a href="ntqregion.html">TQRegion</a> & r ) -</h3> - -<p> Writes the region <em>r</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><a href="tqdatastream.html">TQDataStream</a> & <a name="operator-gt-gt"></a>operator>> ( <a href="tqdatastream.html">TQDataStream</a> & s, <a href="ntqregion.html">TQRegion</a> & r ) -</h3> - -<p> Reads a region from the stream <em>s</em> into <em>r</em> and returns a -reference to the stream. -<p> <p>See also <a href="datastreamformat.html">Format of the TQDataStream operators</a>. - -<!-- eof --> -<hr><p> -This file is part of the <a href="index.html">TQt toolkit</a>. -Copyright © 1995-2007 -<a href="http://www.trolltech.com/">Trolltech</a>. All Rights Reserved.<p><address><hr><div align=center> -<table width=100% cellspacing=0 border=0><tr> -<td>Copyright © 2007 -<a href="troll.html">Trolltech</a><td align=center><a href="trademarks.html">Trademarks</a> -<td align=right><div align=right>TQt 3.3.8</div> -</table></div></address></body> -</html> |