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diff --git a/doc/html/qrect.html b/doc/html/qrect.html new file mode 100644 index 000000000..22288df9d --- /dev/null +++ b/doc/html/qrect.html @@ -0,0 +1,645 @@ +<!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/qrect.cpp:42 --> +<html> +<head> +<meta http-equiv="Content-Type" content="text/html; charset=ISO-8859-1"> +<title>TQRect 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>TQRect Class Reference</h1> + +<p>The TQRect class defines a rectangle in the plane. +<a href="#details">More...</a> +<p><tt>#include <<a href="qrect-h.html">qrect.h</a>></tt> +<p><a href="qrect-members.html">List of all member functions.</a> +<h2>Public Members</h2> +<ul> +<li class=fn><a href="#TQRect"><b>TQRect</b></a> ()</li> +<li class=fn><a href="#TQRect-2"><b>TQRect</b></a> ( const TQPoint & topLeft, const TQPoint & bottomRight )</li> +<li class=fn><a href="#TQRect-3"><b>TQRect</b></a> ( const TQPoint & topLeft, const TQSize & size )</li> +<li class=fn><a href="#TQRect-4"><b>TQRect</b></a> ( int left, int top, int width, int height )</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>TQRect <a href="#normalize"><b>normalize</b></a> () const</li> +<li class=fn>int <a href="#left"><b>left</b></a> () const</li> +<li class=fn>int <a href="#top"><b>top</b></a> () const</li> +<li class=fn>int <a href="#right"><b>right</b></a> () const</li> +<li class=fn>int <a href="#bottom"><b>bottom</b></a> () const</li> +<li class=fn>TQCOORD & <a href="#rLeft"><b>rLeft</b></a> ()</li> +<li class=fn>TQCOORD & <a href="#rTop"><b>rTop</b></a> ()</li> +<li class=fn>TQCOORD & <a href="#rRight"><b>rRight</b></a> ()</li> +<li class=fn>TQCOORD & <a href="#rBottom"><b>rBottom</b></a> ()</li> +<li class=fn>int <a href="#x"><b>x</b></a> () const</li> +<li class=fn>int <a href="#y"><b>y</b></a> () const</li> +<li class=fn>void <a href="#setLeft"><b>setLeft</b></a> ( int pos )</li> +<li class=fn>void <a href="#setTop"><b>setTop</b></a> ( int pos )</li> +<li class=fn>void <a href="#setRight"><b>setRight</b></a> ( int pos )</li> +<li class=fn>void <a href="#setBottom"><b>setBottom</b></a> ( int pos )</li> +<li class=fn>void <a href="#setX"><b>setX</b></a> ( int x )</li> +<li class=fn>void <a href="#setY"><b>setY</b></a> ( int y )</li> +<li class=fn>void <a href="#setTopLeft"><b>setTopLeft</b></a> ( const TQPoint & p )</li> +<li class=fn>void <a href="#setBottomRight"><b>setBottomRight</b></a> ( const TQPoint & p )</li> +<li class=fn>void <a href="#setTopRight"><b>setTopRight</b></a> ( const TQPoint & p )</li> +<li class=fn>void <a href="#setBottomLeft"><b>setBottomLeft</b></a> ( const TQPoint & p )</li> +<li class=fn>TQPoint <a href="#topLeft"><b>topLeft</b></a> () const</li> +<li class=fn>TQPoint <a href="#bottomRight"><b>bottomRight</b></a> () const</li> +<li class=fn>TQPoint <a href="#topRight"><b>topRight</b></a> () const</li> +<li class=fn>TQPoint <a href="#bottomLeft"><b>bottomLeft</b></a> () const</li> +<li class=fn>TQPoint <a href="#center"><b>center</b></a> () const</li> +<li class=fn>void <a href="#rect"><b>rect</b></a> ( int * x, int * y, int * w, int * h ) const</li> +<li class=fn>void <a href="#coords"><b>coords</b></a> ( int * xp1, int * yp1, int * xp2, int * yp2 ) const</li> +<li class=fn>void <a href="#moveLeft"><b>moveLeft</b></a> ( int pos )</li> +<li class=fn>void <a href="#moveTop"><b>moveTop</b></a> ( int pos )</li> +<li class=fn>void <a href="#moveRight"><b>moveRight</b></a> ( int pos )</li> +<li class=fn>void <a href="#moveBottom"><b>moveBottom</b></a> ( int pos )</li> +<li class=fn>void <a href="#moveTopLeft"><b>moveTopLeft</b></a> ( const TQPoint & p )</li> +<li class=fn>void <a href="#moveBottomRight"><b>moveBottomRight</b></a> ( const TQPoint & p )</li> +<li class=fn>void <a href="#moveTopRight"><b>moveTopRight</b></a> ( const TQPoint & p )</li> +<li class=fn>void <a href="#moveBottomLeft"><b>moveBottomLeft</b></a> ( const TQPoint & p )</li> +<li class=fn>void <a href="#moveCenter"><b>moveCenter</b></a> ( const TQPoint & p )</li> +<li class=fn>void <a href="#moveBy"><b>moveBy</b></a> ( int dx, int dy )</li> +<li class=fn>void <a href="#setRect"><b>setRect</b></a> ( int x, int y, int w, int h )</li> +<li class=fn>void <a href="#setCoords"><b>setCoords</b></a> ( int xp1, int yp1, int xp2, int yp2 )</li> +<li class=fn>void <a href="#addCoords"><b>addCoords</b></a> ( int xp1, int yp1, int xp2, int yp2 )</li> +<li class=fn>TQSize <a href="#size"><b>size</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 w )</li> +<li class=fn>void <a href="#setHeight"><b>setHeight</b></a> ( int h )</li> +<li class=fn>void <a href="#setSize"><b>setSize</b></a> ( const TQSize & s )</li> +<li class=fn>TQRect <a href="#operator|"><b>operator|</b></a> ( const TQRect & r ) const</li> +<li class=fn>TQRect <a href="#operator-and"><b>operator&</b></a> ( const TQRect & r ) const</li> +<li class=fn>TQRect & <a href="#operator|-eq"><b>operator|=</b></a> ( const TQRect & r )</li> +<li class=fn>TQRect & <a href="#operator-and-eq"><b>operator&=</b></a> ( const TQRect & r )</li> +<li class=fn>bool <a href="#contains"><b>contains</b></a> ( const TQPoint & p, bool proper = FALSE ) const</li> +<li class=fn>bool <a href="#contains-2"><b>contains</b></a> ( int x, int y ) const</li> +<li class=fn>bool <a href="#contains-3"><b>contains</b></a> ( int x, int y, bool proper ) const</li> +<li class=fn>bool <a href="#contains-4"><b>contains</b></a> ( const TQRect & r, bool proper = FALSE ) const</li> +<li class=fn>TQRect <a href="#unite"><b>unite</b></a> ( const TQRect & r ) const</li> +<li class=fn>TQRect <a href="#intersect"><b>intersect</b></a> ( const TQRect & r ) const</li> +<li class=fn>bool <a href="#intersects"><b>intersects</b></a> ( const TQRect & r ) const</li> +</ul> +<h2>Related Functions</h2> +<ul> +<li class=fn>bool <a href="#operator-eq-eq"><b>operator==</b></a> ( const TQRect & r1, const TQRect & r2 )</li> +<li class=fn>bool <a href="#operator!-eq"><b>operator!=</b></a> ( const TQRect & r1, const TQRect & r2 )</li> +<li class=fn>TQDataStream & <a href="#operator-lt-lt"><b>operator<<</b></a> ( TQDataStream & s, const TQRect & r )</li> +<li class=fn>TQDataStream & <a href="#operator-gt-gt"><b>operator>></b></a> ( TQDataStream & s, TQRect & r )</li> +</ul> +<hr><a name="details"></a><h2>Detailed Description</h2> + + +The TQRect class defines a rectangle in the plane. +<p> + + +<p> A rectangle is internally represented as an upper-left corner and +a bottom-right corner, but it is normally expressed as an +upper-left corner and a size. +<p> The coordinate type is TQCOORD (defined in <a href="qwindowdefs-h.html">qwindowdefs.h</a> as <tt>int</tt>). The minimum value of TQCOORD is TQCOORD_MIN (-2147483648) and +the maximum value is TQCOORD_MAX (2147483647). +<p> Note that the size (width and height) of a rectangle might be +different from what you are used to. If the top-left corner and +the bottom-right corner are the same, the height and the width of +the rectangle will both be 1. +<p> Generally, <em>width = right - left + 1</em> and <em>height = bottom - top + 1</em>. We designed it this way to make it correspond to +rectangular spaces used by drawing functions in which the width +and height denote a number of pixels. For example, drawing a +rectangle with width and height 1 draws a single pixel. +<p> The default coordinate system has origin (0, 0) in the top-left +corner. The positive direction of the y axis is down, and the +positive x axis is from left to right. +<p> A TQRect can be constructed with a set of left, top, width and +height integers, from two TQPoints or from a <a href="qpoint.html">TQPoint</a> and a <a href="qsize.html">TQSize</a>. +After creation the dimensions can be changed, e.g. with <a href="#setLeft">setLeft</a>(), +<a href="#setRight">setRight</a>(), <a href="#setTop">setTop</a>() and <a href="#setBottom">setBottom</a>(), or by setting sizes, e.g. +<a href="#setWidth">setWidth</a>(), <a href="#setHeight">setHeight</a>() and <a href="#setSize">setSize</a>(). The dimensions can also be +changed with the move functions, e.g. <a href="#moveBy">moveBy</a>(), <a href="#moveCenter">moveCenter</a>(), +<a href="#moveBottomRight">moveBottomRight</a>(), etc. You can also add coordinates to a +rectangle with <a href="#addCoords">addCoords</a>(). +<p> You can test to see if a TQRect contains a specific point with +<a href="#contains">contains</a>(). You can also test to see if two TQRects intersect with +<a href="#intersects">intersects</a>() (see also <a href="#intersect">intersect</a>()). To get the bounding rectangle +of two TQRects use <a href="#unite">unite</a>(). +<p> <p>See also <a href="qpoint.html">TQPoint</a>, <a href="qsize.html">TQSize</a>, <a href="graphics.html">Graphics Classes</a>, and <a href="images.html">Image Processing Classes</a>. + +<hr><h2>Member Function Documentation</h2> +<h3 class=fn><a name="TQRect"></a>TQRect::TQRect () +</h3> + +<p> Constructs an invalid rectangle. + +<h3 class=fn><a name="TQRect-2"></a>TQRect::TQRect ( const <a href="qpoint.html">TQPoint</a> & topLeft, const <a href="qpoint.html">TQPoint</a> & bottomRight ) +</h3> +Constructs a rectangle with <em>topLeft</em> as the top-left corner and +<em>bottomRight</em> as the bottom-right corner. + +<h3 class=fn><a name="TQRect-3"></a>TQRect::TQRect ( const <a href="qpoint.html">TQPoint</a> & topLeft, const <a href="qsize.html">TQSize</a> & size ) +</h3> +Constructs a rectangle with <em>topLeft</em> as the top-left corner and +<em>size</em> as the rectangle size. + +<h3 class=fn><a name="TQRect-4"></a>TQRect::TQRect ( int left, int top, int width, int height ) +</h3> + +<p> Constructs a rectangle with the <em>top</em>, <em>left</em> corner and <em>width</em> and <em>height</em>. +<p> Example (creates three identical rectangles): +<pre> + TQRect r1( TQPoint(100,200), TQPoint(110,215) ); + TQRect r2( TQPoint(100,200), TQSize(11,16) ); + TQRect r3( 100, 200, 11, 16 ); + </pre> + + +<h3 class=fn>void <a name="addCoords"></a>TQRect::addCoords ( int xp1, int yp1, int xp2, int yp2 ) +</h3> +Adds <em>xp1</em>, <em>yp1</em>, <em>xp2</em> and <em>yp2</em> respectively to the +existing coordinates of the rectangle. + +<p>Examples: <a href="qaxserver-example-multiple.html#x2544">multiple/ax1.h</a> and <a href="qaxserver-example-multiple.html#x2549">multiple/ax2.h</a>. +<h3 class=fn>int <a name="bottom"></a>TQRect::bottom () const +</h3> + +<p> Returns the bottom coordinate of the rectangle. +<p> <p>See also <a href="#setBottom">setBottom</a>(), <a href="#top">top</a>(), <a href="#bottomLeft">bottomLeft</a>(), and <a href="#bottomRight">bottomRight</a>(). + +<p>Examples: <a href="qaction-application-example.html#x1152">action/application.cpp</a>, <a href="simple-application-example.html#x1570">application/application.cpp</a>, <a href="desktop-example.html#x1748">desktop/desktop.cpp</a>, <a href="helpviewer-example.html#x1008">helpviewer/helpwindow.cpp</a>, <a href="qfd-example.html#x2003">qfd/fontdisplayer.cpp</a>, <a href="scribble-example.html#x925">scribble/scribble.cpp</a>, and <a href="themes-example.html#x236">themes/wood.cpp</a>. +<h3 class=fn><a href="qpoint.html">TQPoint</a> <a name="bottomLeft"></a>TQRect::bottomLeft () const +</h3> + +<p> Returns the bottom-left position of the rectangle. +<p> <p>See also <a href="#setBottomLeft">setBottomLeft</a>(), <a href="#moveBottomLeft">moveBottomLeft</a>(), <a href="#topRight">topRight</a>(), <a href="#bottom">bottom</a>(), and <a href="#left">left</a>(). + +<p>Example: <a href="tictac-example.html#x32">tictac/tictac.cpp</a>. +<h3 class=fn><a href="qpoint.html">TQPoint</a> <a name="bottomRight"></a>TQRect::bottomRight () const +</h3> + +<p> Returns the bottom-right position of the rectangle. +<p> <p>See also <a href="#setBottomRight">setBottomRight</a>(), <a href="#moveBottomRight">moveBottomRight</a>(), <a href="#topLeft">topLeft</a>(), <a href="#right">right</a>(), and <a href="#bottom">bottom</a>(). + +<p>Example: <a href="tictac-example.html#x33">tictac/tictac.cpp</a>. +<h3 class=fn><a href="qpoint.html">TQPoint</a> <a name="center"></a>TQRect::center () const +</h3> + +<p> Returns the center point of the rectangle. +<p> <p>See also <a href="#moveCenter">moveCenter</a>(), <a href="#topLeft">topLeft</a>(), <a href="#bottomRight">bottomRight</a>(), <a href="#topRight">topRight</a>(), and <a href="#bottomLeft">bottomLeft</a>(). + +<p>Example: <a href="tooltip-example.html#x447">tooltip/tooltip.cpp</a>. +<h3 class=fn>bool <a name="contains"></a>TQRect::contains ( const <a href="qpoint.html">TQPoint</a> & p, bool proper = FALSE ) const +</h3> +Returns TRUE if the point <em>p</em> is inside or on the edge of the +rectangle; otherwise returns FALSE. +<p> If <em>proper</em> is TRUE, this function returns TRUE only if <em>p</em> is +inside (not on the edge). + +<p>Example: <a href="tutorial1-14.html#x2426">t14/cannon.cpp</a>. +<h3 class=fn>bool <a name="contains-2"></a>TQRect::contains ( int x, int y ) const +</h3> +This is an overloaded member function, provided for convenience. It behaves essentially like the above function. +<p> Returns TRUE if the point <em>x</em>, <em>y</em> is inside this rectangle; +otherwise returns FALSE. + +<h3 class=fn>bool <a name="contains-3"></a>TQRect::contains ( int x, int y, bool proper ) const +</h3> +This is an overloaded member function, provided for convenience. It behaves essentially like the above function. +<p> Returns TRUE if the point <em>x</em>, <em>y</em> is inside this rectangle; +otherwise returns FALSE. +<p> If <em>proper</em> is TRUE, this function returns TRUE only if the point +is entirely inside (not on the edge). + +<h3 class=fn>bool <a name="contains-4"></a>TQRect::contains ( const <a href="qrect.html">TQRect</a> & r, bool proper = FALSE ) const +</h3> +This is an overloaded member function, provided for convenience. It behaves essentially like the above function. +<p> Returns TRUE if the rectangle <em>r</em> is inside this rectangle; +otherwise returns FALSE. +<p> If <em>proper</em> is TRUE, this function returns TRUE only if <em>r</em> is +entirely inside (not on the edge). +<p> <p>See also <a href="#unite">unite</a>(), <a href="#intersect">intersect</a>(), and <a href="#intersects">intersects</a>(). + +<h3 class=fn>void <a name="coords"></a>TQRect::coords ( int * xp1, int * yp1, int * xp2, int * yp2 ) const +</h3> +Extracts the rectangle parameters as the top-left point <em>*xp1</em>, +<em>*yp1</em> and the bottom-right point <em>*xp2</em>, <em>*yp2</em>. +<p> <p>See also <a href="#setCoords">setCoords</a>() and <a href="#rect">rect</a>(). + +<p>Examples: <a href="themes-example.html#x297">themes/metal.cpp</a> and <a href="themes-example.html#x237">themes/wood.cpp</a>. +<h3 class=fn>int <a name="height"></a>TQRect::height () const +</h3> + +<p> Returns the height of the rectangle. The height includes both the +top and bottom edges, i.e. height = bottom - top + 1. +<p> <p>See also <a href="#width">width</a>(), <a href="#size">size</a>(), and <a href="#setHeight">setHeight</a>(). + +<p>Examples: <a href="coordsys.html#x2279">aclock/aclock.cpp</a>, <a href="desktop-example.html#x1749">desktop/desktop.cpp</a>, <a href="movies-example.html#x515">movies/main.cpp</a>, <a href="scribble-example.html#x926">scribble/scribble.cpp</a>, <a href="themes-example.html#x298">themes/metal.cpp</a>, <a href="themes-example.html#x238">themes/wood.cpp</a>, and <a href="xform-example.html#x1251">xform/xform.cpp</a>. +<h3 class=fn><a href="qrect.html">TQRect</a> <a name="intersect"></a>TQRect::intersect ( const <a href="qrect.html">TQRect</a> & r ) const +</h3> +Returns the intersection of this rectangle and rectangle <em>r</em>. +<tt>r.intersect(s)</tt> is equivalent to <tt>r&s</tt>. + +<h3 class=fn>bool <a name="intersects"></a>TQRect::intersects ( const <a href="qrect.html">TQRect</a> & r ) const +</h3> +Returns TRUE if this rectangle intersects with rectangle <em>r</em> +(there is at least one pixel that is within both rectangles); +otherwise returns FALSE. +<p> <p>See also <a href="#intersect">intersect</a>() and <a href="#contains">contains</a>(). + +<p>Examples: <a href="tutorial1-11.html#x2370">t11/cannon.cpp</a>, <a href="tutorial1-12.html#x2393">t12/cannon.cpp</a>, <a href="tutorial1-13.html#x2406">t13/cannon.cpp</a>, and <a href="tutorial1-14.html#x2427">t14/cannon.cpp</a>. +<h3 class=fn>bool <a name="isEmpty"></a>TQRect::isEmpty () const +</h3> + +<p> Returns TRUE if the rectangle is empty; otherwise returns FALSE. +<p> An empty rectangle has a <a href="#left">left</a>() > <a href="#right">right</a>() or <a href="#top">top</a>() > <a href="#bottom">bottom</a>(). +<p> An empty rectangle is not valid. <tt>isEmpty() == !isValid()</tt> +<p> <p>See also <a href="#isNull">isNull</a>(), <a href="#isValid">isValid</a>(), and <a href="#normalize">normalize</a>(). + +<h3 class=fn>bool <a name="isNull"></a>TQRect::isNull () const +</h3> + +<p> Returns TRUE if the rectangle is a null rectangle; otherwise +returns FALSE. +<p> A null rectangle has both the width and the height set to 0, that +is <a href="#right">right</a>() == <a href="#left">left</a>() - 1 and <a href="#bottom">bottom</a>() == <a href="#top">top</a>() - 1. +<p> Note that if right() == left() and bottom() == top(), then the +rectangle has width 1 and height 1. +<p> A null rectangle is also empty. +<p> A null rectangle is not valid. +<p> <p>See also <a href="#isEmpty">isEmpty</a>() and <a href="#isValid">isValid</a>(). + +<h3 class=fn>bool <a name="isValid"></a>TQRect::isValid () const +</h3> + +<p> Returns TRUE if the rectangle is valid; otherwise returns FALSE. +<p> A valid rectangle has a <a href="#left">left</a>() <= <a href="#right">right</a>() and <a href="#top">top</a>() <= <a href="#bottom">bottom</a>(). +<p> Note that non-trivial operations like intersections are not defined +for invalid rectangles. +<p> <tt>isValid() == !isEmpty()</tt> +<p> <p>See also <a href="#isNull">isNull</a>(), <a href="#isEmpty">isEmpty</a>(), and <a href="#normalize">normalize</a>(). + +<p>Examples: <a href="themes-example.html#x299">themes/metal.cpp</a> and <a href="tooltip-example.html#x448">tooltip/tooltip.cpp</a>. +<h3 class=fn>int <a name="left"></a>TQRect::left () const +</h3> + +<p> Returns the left coordinate of the rectangle. Identical to <a href="#x">x</a>(). +<p> <p>See also <a href="#setLeft">setLeft</a>(), <a href="#right">right</a>(), <a href="#topLeft">topLeft</a>(), and <a href="#bottomLeft">bottomLeft</a>(). + +<p>Examples: <a href="coordsys.html#x2280">aclock/aclock.cpp</a>, <a href="desktop-example.html#x1750">desktop/desktop.cpp</a>, <a href="i18n-example.html#x1942">i18n/main.cpp</a>, <a href="scribble-example.html#x927">scribble/scribble.cpp</a>, <a href="tictac-example.html#x35">tictac/tictac.cpp</a>, and <a href="xform-example.html#x1252">xform/xform.cpp</a>. +<h3 class=fn>void <a name="moveBottom"></a>TQRect::moveBottom ( int pos ) +</h3> +Sets the bottom position of the rectangle to <em>pos</em>, leaving the +size unchanged. +<p> <p>See also <a href="#bottom">bottom</a>(), <a href="#setBottom">setBottom</a>(), <a href="#moveLeft">moveLeft</a>(), <a href="#moveTop">moveTop</a>(), and <a href="#moveRight">moveRight</a>(). + +<h3 class=fn>void <a name="moveBottomLeft"></a>TQRect::moveBottomLeft ( const <a href="qpoint.html">TQPoint</a> & p ) +</h3> +Sets the bottom-left position of the rectangle to <em>p</em>, leaving +the size unchanged. +<p> <p>See also <a href="#bottomLeft">bottomLeft</a>(), <a href="#setBottomLeft">setBottomLeft</a>(), <a href="#moveTopLeft">moveTopLeft</a>(), <a href="#moveBottomRight">moveBottomRight</a>(), and <a href="#moveTopRight">moveTopRight</a>(). + +<p>Example: <a href="tutorial1-10.html#x2360">t10/cannon.cpp</a>. +<h3 class=fn>void <a name="moveBottomRight"></a>TQRect::moveBottomRight ( const <a href="qpoint.html">TQPoint</a> & p ) +</h3> +Sets the bottom-right position of the rectangle to <em>p</em>, leaving +the size unchanged. +<p> <p>See also <a href="#bottomRight">bottomRight</a>(), <a href="#setBottomRight">setBottomRight</a>(), <a href="#moveTopLeft">moveTopLeft</a>(), <a href="#moveTopRight">moveTopRight</a>(), and <a href="#moveBottomLeft">moveBottomLeft</a>(). + +<h3 class=fn>void <a name="moveBy"></a>TQRect::moveBy ( int dx, int dy ) +</h3> +Moves the rectangle <em>dx</em> along the x axis and <em>dy</em> along the y +axis, relative to the current position. Positive values move the +rectangle to the right and down. +<p> <p>See also <a href="#moveTopLeft">moveTopLeft</a>(). + +<p>Examples: <a href="qaction-application-example.html#x1154">action/application.cpp</a>, <a href="simple-application-example.html#x1572">application/application.cpp</a>, <a href="helpviewer-example.html#x1010">helpviewer/helpwindow.cpp</a>, <a href="mdi-example.html#x2057">mdi/application.cpp</a>, <a href="themes-example.html#x239">themes/wood.cpp</a>, and <a href="xform-example.html#x1253">xform/xform.cpp</a>. +<h3 class=fn>void <a name="moveCenter"></a>TQRect::moveCenter ( const <a href="qpoint.html">TQPoint</a> & p ) +</h3> +Sets the center point of the rectangle to <em>p</em>, leaving the size +unchanged. +<p> <p>See also <a href="#center">center</a>(), <a href="#moveTopLeft">moveTopLeft</a>(), <a href="#moveBottomRight">moveBottomRight</a>(), <a href="#moveTopRight">moveTopRight</a>(), and <a href="#moveBottomLeft">moveBottomLeft</a>(). + +<p>Examples: <a href="tutorial1-11.html#x2371">t11/cannon.cpp</a> and <a href="tutorial1-12.html#x2394">t12/cannon.cpp</a>. +<h3 class=fn>void <a name="moveLeft"></a>TQRect::moveLeft ( int pos ) +</h3> +Sets the left position of the rectangle to <em>pos</em>, leaving the +size unchanged. +<p> <p>See also <a href="#left">left</a>(), <a href="#setLeft">setLeft</a>(), <a href="#moveTop">moveTop</a>(), <a href="#moveRight">moveRight</a>(), and <a href="#moveBottom">moveBottom</a>(). + +<h3 class=fn>void <a name="moveRight"></a>TQRect::moveRight ( int pos ) +</h3> +Sets the right position of the rectangle to <em>pos</em>, leaving the +size unchanged. +<p> <p>See also <a href="#right">right</a>(), <a href="#setRight">setRight</a>(), <a href="#moveLeft">moveLeft</a>(), <a href="#moveTop">moveTop</a>(), and <a href="#moveBottom">moveBottom</a>(). + +<h3 class=fn>void <a name="moveTop"></a>TQRect::moveTop ( int pos ) +</h3> +Sets the top position of the rectangle to <em>pos</em>, leaving the +size unchanged. +<p> <p>See also <a href="#top">top</a>(), <a href="#setTop">setTop</a>(), <a href="#moveLeft">moveLeft</a>(), <a href="#moveRight">moveRight</a>(), and <a href="#moveBottom">moveBottom</a>(). + +<h3 class=fn>void <a name="moveTopLeft"></a>TQRect::moveTopLeft ( const <a href="qpoint.html">TQPoint</a> & p ) +</h3> +Sets the top-left position of the rectangle to <em>p</em>, leaving the +size unchanged. +<p> <p>See also <a href="#topLeft">topLeft</a>(), <a href="#setTopLeft">setTopLeft</a>(), <a href="#moveBottomRight">moveBottomRight</a>(), <a href="#moveTopRight">moveTopRight</a>(), and <a href="#moveBottomLeft">moveBottomLeft</a>(). + +<p>Examples: <a href="helpsystem-example.html#x2681">helpsystem/tooltip.cpp</a> and <a href="xform-example.html#x1254">xform/xform.cpp</a>. +<h3 class=fn>void <a name="moveTopRight"></a>TQRect::moveTopRight ( const <a href="qpoint.html">TQPoint</a> & p ) +</h3> +Sets the top-right position of the rectangle to <em>p</em>, leaving the +size unchanged. +<p> <p>See also <a href="#topRight">topRight</a>(), <a href="#setTopRight">setTopRight</a>(), <a href="#moveTopLeft">moveTopLeft</a>(), <a href="#moveBottomRight">moveBottomRight</a>(), and <a href="#moveBottomLeft">moveBottomLeft</a>(). + +<h3 class=fn><a href="qrect.html">TQRect</a> <a name="normalize"></a>TQRect::normalize () const +</h3> +Returns a normalized rectangle, i.e. a rectangle that has a +non-negative width and height. +<p> It swaps left and right if <a href="#left">left</a>() > <a href="#right">right</a>(), and swaps top and +bottom if <a href="#top">top</a>() > <a href="#bottom">bottom</a>(). +<p> <p>See also <a href="#isValid">isValid</a>(). + +<p>Example: <a href="scribble-example.html#x928">scribble/scribble.cpp</a>. +<h3 class=fn><a href="qrect.html">TQRect</a> <a name="operator-and"></a>TQRect::operator& ( const <a href="qrect.html">TQRect</a> & r ) const +</h3> +Returns the intersection of this rectangle and rectangle <em>r</em>. +<p> Returns an empty rectangle if there is no intersection. +<p> <p>See also <a href="#operator-and-eq">operator&=</a>(), <a href="#operator|">operator|</a>(), <a href="#isEmpty">isEmpty</a>(), <a href="#intersects">intersects</a>(), and <a href="#contains">contains</a>(). + +<h3 class=fn><a href="qrect.html">TQRect</a> & <a name="operator-and-eq"></a>TQRect::operator&= ( const <a href="qrect.html">TQRect</a> & r ) +</h3> +Intersects this rectangle with rectangle <em>r</em>. + +<h3 class=fn><a href="qrect.html">TQRect</a> <a name="operator|"></a>TQRect::operator| ( const <a href="qrect.html">TQRect</a> & r ) const +</h3> +Returns the bounding rectangle of this rectangle and rectangle <em>r</em>. +<p> The bounding rectangle of a nonempty rectangle and an empty or +invalid rectangle is defined to be the nonempty rectangle. +<p> <p>See also <a href="#operator|-eq">operator|=</a>(), <a href="#operator-and">operator&</a>(), <a href="#intersects">intersects</a>(), and <a href="#contains">contains</a>(). + +<h3 class=fn><a href="qrect.html">TQRect</a> & <a name="operator|-eq"></a>TQRect::operator|= ( const <a href="qrect.html">TQRect</a> & r ) +</h3> +Unites this rectangle with rectangle <em>r</em>. + +<h3 class=fn>TQCOORD & <a name="rBottom"></a>TQRect::rBottom () +</h3> + +<p> Returns a reference to the bottom coordinate of the rectangle. +<p> <p>See also <a href="#rLeft">rLeft</a>(), <a href="#rTop">rTop</a>(), and <a href="#rRight">rRight</a>(). + +<h3 class=fn>TQCOORD & <a name="rLeft"></a>TQRect::rLeft () +</h3> + +<p> Returns a reference to the left coordinate of the rectangle. +<p> <p>See also <a href="#rTop">rTop</a>(), <a href="#rRight">rRight</a>(), and <a href="#rBottom">rBottom</a>(). + +<h3 class=fn>TQCOORD & <a name="rRight"></a>TQRect::rRight () +</h3> + +<p> Returns a reference to the right coordinate of the rectangle. +<p> <p>See also <a href="#rLeft">rLeft</a>(), <a href="#rTop">rTop</a>(), and <a href="#rBottom">rBottom</a>(). + +<h3 class=fn>TQCOORD & <a name="rTop"></a>TQRect::rTop () +</h3> + +<p> Returns a reference to the top coordinate of the rectangle. +<p> <p>See also <a href="#rLeft">rLeft</a>(), <a href="#rRight">rRight</a>(), and <a href="#rBottom">rBottom</a>(). + +<h3 class=fn>void <a name="rect"></a>TQRect::rect ( int * x, int * y, int * w, int * h ) const +</h3> +Extracts the rectangle parameters as the position <em>*x</em>, <em>*y</em> and +width <em>*w</em> and height <em>*h</em>. +<p> <p>See also <a href="#setRect">setRect</a>() and <a href="#coords">coords</a>(). + +<p>Examples: <a href="themes-example.html#x300">themes/metal.cpp</a> and <a href="themes-example.html#x240">themes/wood.cpp</a>. +<h3 class=fn>int <a name="right"></a>TQRect::right () const +</h3> + +<p> Returns the right coordinate of the rectangle. +<p> <p>See also <a href="#setRight">setRight</a>(), <a href="#left">left</a>(), <a href="#topRight">topRight</a>(), and <a href="#bottomRight">bottomRight</a>(). + +<p>Examples: <a href="qaction-application-example.html#x1155">action/application.cpp</a>, <a href="simple-application-example.html#x1573">application/application.cpp</a>, <a href="customlayout-example.html#x1482">customlayout/flow.cpp</a>, <a href="desktop-example.html#x1751">desktop/desktop.cpp</a>, <a href="scribble-example.html#x929">scribble/scribble.cpp</a>, <a href="tutorial1-11.html#x2372">t11/cannon.cpp</a>, and <a href="themes-example.html#x241">themes/wood.cpp</a>. +<h3 class=fn>void <a name="setBottom"></a>TQRect::setBottom ( int pos ) +</h3> + +<p> Sets the bottom edge of the rectangle to <em>pos</em>. May change the +height, but will never change the top edge of the rectangle. +<p> <p>See also <a href="#bottom">bottom</a>(), <a href="#setTop">setTop</a>(), and <a href="#setHeight">setHeight</a>(). + +<p>Example: <a href="scribble-example.html#x930">scribble/scribble.cpp</a>. +<h3 class=fn>void <a name="setBottomLeft"></a>TQRect::setBottomLeft ( const <a href="qpoint.html">TQPoint</a> & p ) +</h3> +Set the bottom-left corner of the rectangle to <em>p</em>. May change +the size, but will the never change the top-right corner of +the rectangle. +<p> <p>See also <a href="#bottomLeft">bottomLeft</a>(), <a href="#moveBottomLeft">moveBottomLeft</a>(), <a href="#setTopLeft">setTopLeft</a>(), <a href="#setBottomRight">setBottomRight</a>(), and <a href="#setTopRight">setTopRight</a>(). + +<h3 class=fn>void <a name="setBottomRight"></a>TQRect::setBottomRight ( const <a href="qpoint.html">TQPoint</a> & p ) +</h3> +Set the bottom-right corner of the rectangle to <em>p</em>. May change +the size, but will the never change the top-left corner of +the rectangle. +<p> <p>See also <a href="#bottomRight">bottomRight</a>(), <a href="#moveBottomRight">moveBottomRight</a>(), <a href="#setTopLeft">setTopLeft</a>(), <a href="#setTopRight">setTopRight</a>(), and <a href="#setBottomLeft">setBottomLeft</a>(). + +<h3 class=fn>void <a name="setCoords"></a>TQRect::setCoords ( int xp1, int yp1, int xp2, int yp2 ) +</h3> +Sets the coordinates of the rectangle's top-left corner to <em>(xp1, yp1)</em>, and the coordinates of its bottom-right corner to <em>(xp2, yp2)</em>. +<p> <p>See also <a href="#coords">coords</a>() and <a href="#setRect">setRect</a>(). + +<h3 class=fn>void <a name="setHeight"></a>TQRect::setHeight ( int h ) +</h3> +Sets the height of the rectangle to <em>h</em>. The top edge is not +moved, but the bottom edge may be moved. +<p> <p>See also <a href="#height">height</a>(), <a href="#setTop">setTop</a>(), <a href="#setBottom">setBottom</a>(), and <a href="#setSize">setSize</a>(). + +<p>Example: <a href="desktop-example.html#x1752">desktop/desktop.cpp</a>. +<h3 class=fn>void <a name="setLeft"></a>TQRect::setLeft ( int pos ) +</h3> + +<p> Sets the left edge of the rectangle to <em>pos</em>. May change the +width, but will never change the right edge of the rectangle. +<p> Identical to <a href="#setX">setX</a>(). +<p> <p>See also <a href="#left">left</a>(), <a href="#setTop">setTop</a>(), and <a href="#setWidth">setWidth</a>(). + +<p>Example: <a href="scribble-example.html#x931">scribble/scribble.cpp</a>. +<h3 class=fn>void <a name="setRect"></a>TQRect::setRect ( int x, int y, int w, int h ) +</h3> +Sets the coordinates of the rectangle's top-left corner to <em>(x, y)</em>, and its size to <em>(w, h)</em>. +<p> <p>See also <a href="#rect">rect</a>() and <a href="#setCoords">setCoords</a>(). + +<p>Example: <a href="themes-example.html#x242">themes/wood.cpp</a>. +<h3 class=fn>void <a name="setRight"></a>TQRect::setRight ( int pos ) +</h3> + +<p> Sets the right edge of the rectangle to <em>pos</em>. May change the +width, but will never change the left edge of the rectangle. +<p> <p>See also <a href="#right">right</a>(), <a href="#setLeft">setLeft</a>(), and <a href="#setWidth">setWidth</a>(). + +<p>Example: <a href="scribble-example.html#x932">scribble/scribble.cpp</a>. +<h3 class=fn>void <a name="setSize"></a>TQRect::setSize ( const <a href="qsize.html">TQSize</a> & s ) +</h3> +Sets the size of the rectangle to <em>s</em>. The top-left corner is not +moved. +<p> <p>See also <a href="#size">size</a>(), <a href="#setWidth">setWidth</a>(), and <a href="#setHeight">setHeight</a>(). + +<p>Example: <a href="xform-example.html#x1255">xform/xform.cpp</a>. +<h3 class=fn>void <a name="setTop"></a>TQRect::setTop ( int pos ) +</h3> + +<p> Sets the top edge of the rectangle to <em>pos</em>. May change the +height, but will never change the bottom edge of the rectangle. +<p> Identical to <a href="#setY">setY</a>(). +<p> <p>See also <a href="#top">top</a>(), <a href="#setBottom">setBottom</a>(), and <a href="#setHeight">setHeight</a>(). + +<p>Example: <a href="scribble-example.html#x933">scribble/scribble.cpp</a>. +<h3 class=fn>void <a name="setTopLeft"></a>TQRect::setTopLeft ( const <a href="qpoint.html">TQPoint</a> & p ) +</h3> +Set the top-left corner of the rectangle to <em>p</em>. May change +the size, but will the never change the bottom-right corner of +the rectangle. +<p> <p>See also <a href="#topLeft">topLeft</a>(), <a href="#moveTopLeft">moveTopLeft</a>(), <a href="#setBottomRight">setBottomRight</a>(), <a href="#setTopRight">setTopRight</a>(), and <a href="#setBottomLeft">setBottomLeft</a>(). + +<h3 class=fn>void <a name="setTopRight"></a>TQRect::setTopRight ( const <a href="qpoint.html">TQPoint</a> & p ) +</h3> +Set the top-right corner of the rectangle to <em>p</em>. May change +the size, but will the never change the bottom-left corner of +the rectangle. +<p> <p>See also <a href="#topRight">topRight</a>(), <a href="#moveTopRight">moveTopRight</a>(), <a href="#setTopLeft">setTopLeft</a>(), <a href="#setBottomRight">setBottomRight</a>(), and <a href="#setBottomLeft">setBottomLeft</a>(). + +<h3 class=fn>void <a name="setWidth"></a>TQRect::setWidth ( int w ) +</h3> +Sets the width of the rectangle to <em>w</em>. The right edge is +changed, but not the left edge. +<p> <p>See also <a href="#width">width</a>(), <a href="#setLeft">setLeft</a>(), <a href="#setRight">setRight</a>(), and <a href="#setSize">setSize</a>(). + +<p>Example: <a href="desktop-example.html#x1753">desktop/desktop.cpp</a>. +<h3 class=fn>void <a name="setX"></a>TQRect::setX ( int x ) +</h3> + +<p> Sets the x position of the rectangle (its left end) to <em>x</em>. May +change the width, but will never change the right edge of the +rectangle. +<p> Identical to <a href="#setLeft">setLeft</a>(). +<p> <p>See also <a href="#x">x</a>() and <a href="#setY">setY</a>(). + +<h3 class=fn>void <a name="setY"></a>TQRect::setY ( int y ) +</h3> + +<p> Sets the y position of the rectangle (its top) to <em>y</em>. May change +the height, but will never change the bottom edge of the +rectangle. +<p> Identical to <a href="#setTop">setTop</a>(). +<p> <p>See also <a href="#y">y</a>() and <a href="#setX">setX</a>(). + +<h3 class=fn><a href="qsize.html">TQSize</a> <a name="size"></a>TQRect::size () const +</h3> + +<p> Returns the size of the rectangle. +<p> <p>See also <a href="#width">width</a>() and <a href="#height">height</a>(). + +<p>Examples: <a href="desktop-example.html#x1754">desktop/desktop.cpp</a>, <a href="movies-example.html#x516">movies/main.cpp</a>, and <a href="tutorial1-10.html#x2361">t10/cannon.cpp</a>. +<h3 class=fn>int <a name="top"></a>TQRect::top () const +</h3> + +<p> Returns the top coordinate of the rectangle. Identical to <a href="#y">y</a>(). +<p> <p>See also <a href="#setTop">setTop</a>(), <a href="#bottom">bottom</a>(), <a href="#topLeft">topLeft</a>(), and <a href="#topRight">topRight</a>(). + +<p>Examples: <a href="coordsys.html#x2281">aclock/aclock.cpp</a>, <a href="desktop-example.html#x1755">desktop/desktop.cpp</a>, <a href="scribble-example.html#x934">scribble/scribble.cpp</a>, <a href="themes-example.html#x243">themes/wood.cpp</a>, <a href="tictac-example.html#x36">tictac/tictac.cpp</a>, and <a href="xform-example.html#x1256">xform/xform.cpp</a>. +<h3 class=fn><a href="qpoint.html">TQPoint</a> <a name="topLeft"></a>TQRect::topLeft () const +</h3> + +<p> Returns the top-left position of the rectangle. +<p> <p>See also <a href="#setTopLeft">setTopLeft</a>(), <a href="#moveTopLeft">moveTopLeft</a>(), <a href="#bottomRight">bottomRight</a>(), <a href="#left">left</a>(), and <a href="#top">top</a>(). + +<p>Examples: <a href="helpsystem-example.html#x2682">helpsystem/tooltip.cpp</a>, <a href="tutorial1-10.html#x2362">t10/cannon.cpp</a>, and <a href="tictac-example.html#x37">tictac/tictac.cpp</a>. +<h3 class=fn><a href="qpoint.html">TQPoint</a> <a name="topRight"></a>TQRect::topRight () const +</h3> + +<p> Returns the top-right position of the rectangle. +<p> <p>See also <a href="#setTopRight">setTopRight</a>(), <a href="#moveTopRight">moveTopRight</a>(), <a href="#bottomLeft">bottomLeft</a>(), <a href="#top">top</a>(), and <a href="#right">right</a>(). + +<p>Example: <a href="tictac-example.html#x38">tictac/tictac.cpp</a>. +<h3 class=fn><a href="qrect.html">TQRect</a> <a name="unite"></a>TQRect::unite ( const <a href="qrect.html">TQRect</a> & r ) const +</h3> +Returns the bounding rectangle of this rectangle and rectangle <em>r</em>. <tt>r.unite(s)</tt> is equivalent to <tt>r|s</tt>. + +<p>Examples: <a href="tutorial1-11.html#x2373">t11/cannon.cpp</a>, <a href="tutorial1-12.html#x2395">t12/cannon.cpp</a>, and <a href="xform-example.html#x1257">xform/xform.cpp</a>. +<h3 class=fn>int <a name="width"></a>TQRect::width () const +</h3> + +<p> Returns the width of the rectangle. The width includes both the +left and right edges, i.e. width = right - left + 1. +<p> <p>See also <a href="#height">height</a>(), <a href="#size">size</a>(), and <a href="#setHeight">setHeight</a>(). + +<p>Examples: <a href="coordsys.html#x2282">aclock/aclock.cpp</a>, <a href="customlayout-example.html#x1505">customlayout/border.cpp</a>, <a href="desktop-example.html#x1756">desktop/desktop.cpp</a>, <a href="movies-example.html#x517">movies/main.cpp</a>, <a href="themes-example.html#x301">themes/metal.cpp</a>, <a href="themes-example.html#x244">themes/wood.cpp</a>, and <a href="xform-example.html#x1258">xform/xform.cpp</a>. +<h3 class=fn>int <a name="x"></a>TQRect::x () const +</h3> + +<p> Returns the left coordinate of the rectangle. Identical to <a href="#left">left</a>(). +<p> <p>See also <a href="#left">left</a>(), <a href="#y">y</a>(), and <a href="#setX">setX</a>(). + +<p>Examples: <a href="customlayout-example.html#x1506">customlayout/border.cpp</a>, <a href="desktop-example.html#x1757">desktop/desktop.cpp</a>, <a href="movies-example.html#x518">movies/main.cpp</a>, <a href="scribble-example.html#x936">scribble/scribble.cpp</a>, <a href="tutorial1-12.html#x2396">t12/cannon.cpp</a>, <a href="themes-example.html#x302">themes/metal.cpp</a>, and <a href="themes-example.html#x245">themes/wood.cpp</a>. +<h3 class=fn>int <a name="y"></a>TQRect::y () const +</h3> + +<p> Returns the top coordinate of the rectangle. Identical to <a href="#top">top</a>(). +<p> <p>See also <a href="#top">top</a>(), <a href="#x">x</a>(), and <a href="#setY">setY</a>(). + +<p>Examples: <a href="desktop-example.html#x1758">desktop/desktop.cpp</a>, <a href="movies-example.html#x519">movies/main.cpp</a>, <a href="scribble-example.html#x937">scribble/scribble.cpp</a>, <a href="tutorial1-12.html#x2397">t12/cannon.cpp</a>, <a href="tutorial1-14.html#x2429">t14/cannon.cpp</a>, <a href="themes-example.html#x303">themes/metal.cpp</a>, and <a href="themes-example.html#x246">themes/wood.cpp</a>. +<hr><h2>Related Functions</h2> +<h3 class=fn>bool <a name="operator!-eq"></a>operator!= ( const <a href="qrect.html">TQRect</a> & r1, const <a href="qrect.html">TQRect</a> & r2 ) +</h3> + +<p> Returns TRUE if <em>r1</em> and <em>r2</em> are different; otherwise returns FALSE. + +<h3 class=fn><a href="qdatastream.html">TQDataStream</a> & <a name="operator-lt-lt"></a>operator<< ( <a href="qdatastream.html">TQDataStream</a> & s, const <a href="qrect.html">TQRect</a> & r ) +</h3> + +<p> Writes the TQRect, <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>bool <a name="operator-eq-eq"></a>operator== ( const <a href="qrect.html">TQRect</a> & r1, const <a href="qrect.html">TQRect</a> & r2 ) +</h3> + +<p> Returns TRUE if <em>r1</em> and <em>r2</em> are equal; otherwise returns FALSE. + +<h3 class=fn><a href="qdatastream.html">TQDataStream</a> & <a name="operator-gt-gt"></a>operator>> ( <a href="qdatastream.html">TQDataStream</a> & s, <a href="qrect.html">TQRect</a> & r ) +</h3> + +<p> Reads a TQRect from the stream <em>s</em> into rect <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>. 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