<!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/canvas/qcanvas.cpp:4533 --> <html> <head> <meta http-equiv="Content-Type" content="text/html; charset=ISO-8859-1"> <title>TQCanvasRectangle 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>TQCanvasRectangle Class Reference<br><small>[<a href="canvas.html">canvas module</a>]</small></h1> <p>The TQCanvasRectangle class provides a rectangle on a TQCanvas. <a href="#details">More...</a> <p><tt>#include <<a href="qcanvas-h.html">ntqcanvas.h</a>></tt> <p>Inherits <a href="qcanvaspolygonalitem.html">TQCanvasPolygonalItem</a>. <p><a href="qcanvasrectangle-members.html">List of all member functions.</a> <h2>Public Members</h2> <ul> <li class=fn><a href="#TQCanvasRectangle"><b>TQCanvasRectangle</b></a> ( TQCanvas * canvas )</li> <li class=fn><a href="#TQCanvasRectangle-2"><b>TQCanvasRectangle</b></a> ( const TQRect & r, TQCanvas * canvas )</li> <li class=fn><a href="#TQCanvasRectangle-3"><b>TQCanvasRectangle</b></a> ( int x, int y, int width, int height, TQCanvas * canvas )</li> <li class=fn><a href="#~TQCanvasRectangle"><b>~TQCanvasRectangle</b></a> ()</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="#setSize"><b>setSize</b></a> ( int width, int height )</li> <li class=fn>TQSize <a href="#size"><b>size</b></a> () const</li> <li class=fn>TQRect <a href="#rect"><b>rect</b></a> () const</li> <li class=fn>virtual int <a href="#rtti"><b>rtti</b></a> () const</li> </ul> <h2>Protected Members</h2> <ul> <li class=fn>virtual void <a href="#drawShape"><b>drawShape</b></a> ( TQPainter & p )</li> <li class=fn>virtual TQPointArray <a href="#chunks"><b>chunks</b></a> () const</li> </ul> <hr><a name="details"></a><h2>Detailed Description</h2> The TQCanvasRectangle class provides a rectangle on a <a href="ntqcanvas.html">TQCanvas</a>. <p> <p> This item paints a single rectangle which may have any <a href="qcanvaspolygonalitem.html#pen">pen</a>() and <a href="qcanvaspolygonalitem.html#brush">brush</a>(), but may not be tilted/rotated. For rotated rectangles, use <a href="qcanvaspolygon.html">TQCanvasPolygon</a>. <p> The rectangle's size and initial position can be set in the constructor. The size can be set or changed later using <a href="#setSize">setSize</a>(). Use <a href="#height">height</a>() and <a href="#width">width</a>() to retrieve the rectangle's dimensions. <p> The rectangle can be drawn on a painter with <a href="#drawShape">drawShape</a>(). <p> Like any other canvas item rectangles can be moved with <a href="qcanvasitem.html#move">TQCanvasItem::move</a>() and <a href="qcanvasitem.html#moveBy">TQCanvasItem::moveBy</a>(), or by setting coordinates with <a href="qcanvasitem.html#setX">TQCanvasItem::setX</a>(), <a href="qcanvasitem.html#setY">TQCanvasItem::setY</a>() and <a href="qcanvasitem.html#setZ">TQCanvasItem::setZ</a>(). <p> <p>See also <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="TQCanvasRectangle"></a>TQCanvasRectangle::TQCanvasRectangle ( <a href="ntqcanvas.html">TQCanvas</a> * canvas ) </h3> Constructs a rectangle at position (0,0) with both width and height set to 32 pixels on <em>canvas</em>. <h3 class=fn><a name="TQCanvasRectangle-2"></a>TQCanvasRectangle::TQCanvasRectangle ( const <a href="ntqrect.html">TQRect</a> & r, <a href="ntqcanvas.html">TQCanvas</a> * canvas ) </h3> Constructs a rectangle positioned and sized by <em>r</em> on <em>canvas</em>. <h3 class=fn><a name="TQCanvasRectangle-3"></a>TQCanvasRectangle::TQCanvasRectangle ( int x, int y, int width, int height, <a href="ntqcanvas.html">TQCanvas</a> * canvas ) </h3> Constructs a rectangle at position (<em>x</em>, <em>y</em>) and size <em>width</em> by <em>height</em>, on <em>canvas</em>. <h3 class=fn><a name="~TQCanvasRectangle"></a>TQCanvasRectangle::~TQCanvasRectangle () </h3> Destroys the rectangle. <h3 class=fn><a href="ntqpointarray.html">TQPointArray</a> <a name="chunks"></a>TQCanvasRectangle::chunks () const<tt> [virtual protected]</tt> </h3> Simply calls TQCanvasItem::chunks(). <h3 class=fn>void <a name="drawShape"></a>TQCanvasRectangle::drawShape ( <a href="ntqpainter.html">TQPainter</a> & p )<tt> [virtual protected]</tt> </h3> Draws the rectangle on painter <em>p</em>. <p>Example: <a href="canvas-example.html#x2925">canvas/canvas.cpp</a>. <p>Reimplemented from <a href="qcanvaspolygonalitem.html#drawShape">TQCanvasPolygonalItem</a>. <h3 class=fn>int <a name="height"></a>TQCanvasRectangle::height () const </h3> Returns the height of the rectangle. <h3 class=fn><a href="ntqrect.html">TQRect</a> <a name="rect"></a>TQCanvasRectangle::rect () const </h3> <p> Returns the integer-converted <a href="qcanvasitem.html#x">x</a>(), <a href="qcanvasitem.html#y">y</a>() position and <a href="#size">size</a>() of the rectangle as a <a href="ntqrect.html">TQRect</a>. <h3 class=fn>int <a name="rtti"></a>TQCanvasRectangle::rtti () const<tt> [virtual]</tt> </h3> Returns 5 (TQCanvasItem::Rtti_Rectangle). <p> <p>See also <a href="qcanvasitem.html#rtti">TQCanvasItem::rtti</a>(). <p>Reimplemented from <a href="qcanvaspolygonalitem.html#rtti">TQCanvasPolygonalItem</a>. <h3 class=fn>void <a name="setSize"></a>TQCanvasRectangle::setSize ( int width, int height ) </h3> Sets the <em>width</em> and <em>height</em> of the rectangle. <h3 class=fn><a href="ntqsize.html">TQSize</a> <a name="size"></a>TQCanvasRectangle::size () const </h3> <p> Returns the <a href="#width">width</a>() and <a href="#height">height</a>() of the rectangle. <p> <p>See also <a href="#rect">rect</a>() and <a href="#setSize">setSize</a>(). <h3 class=fn>int <a name="width"></a>TQCanvasRectangle::width () const </h3> Returns the width of the rectangle. <!-- eof --> <hr><p> This file is part of the <a href="index.html">TQt toolkit</a>. 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