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148 lines
7.4 KiB
148 lines
7.4 KiB
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<!-- /home/espenr/tmp/qt-3.3.8-espenr-2499/qt-x11-free-3.3.8/src/canvas/tqcanvas.cpp:4533 -->
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<title>TQCanvasRectangle Class</title>
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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>TQCanvasRectangle Class Reference<br><small>[<a href="canvas.html">canvas module</a>]</small></h1>
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<p>The TQCanvasRectangle class provides a rectangle on a TQCanvas.
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<a href="#details">More...</a>
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<p><tt>#include <<a href="tqcanvas-h.html">tqcanvas.h</a>></tt>
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<p>Inherits <a href="tqcanvaspolygonalitem.html">TQCanvasPolygonalItem</a>.
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<p><a href="tqcanvasrectangle-members.html">List of all member functions.</a>
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<h2>Public Members</h2>
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<ul>
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<li class=fn><a href="#TQCanvasRectangle"><b>TQCanvasRectangle</b></a> ( TQCanvas * canvas )</li>
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<li class=fn><a href="#TQCanvasRectangle-2"><b>TQCanvasRectangle</b></a> ( const TQRect & r, TQCanvas * canvas )</li>
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<li class=fn><a href="#TQCanvasRectangle-3"><b>TQCanvasRectangle</b></a> ( int x, int y, int width, int height, TQCanvas * canvas )</li>
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<li class=fn><a href="#~TQCanvasRectangle"><b>~TQCanvasRectangle</b></a> ()</li>
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<li class=fn>int <a href="#width"><b>width</b></a> () const</li>
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<li class=fn>int <a href="#height"><b>height</b></a> () const</li>
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<li class=fn>void <a href="#setSize"><b>setSize</b></a> ( int width, int height )</li>
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<li class=fn>TQSize <a href="#size"><b>size</b></a> () const</li>
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<li class=fn>TQRect <a href="#rect"><b>rect</b></a> () const</li>
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<li class=fn>virtual int <a href="#rtti"><b>rtti</b></a> () const</li>
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</ul>
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<h2>Protected Members</h2>
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<ul>
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<li class=fn>virtual void <a href="#drawShape"><b>drawShape</b></a> ( TQPainter & p )</li>
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<li class=fn>virtual TQPointArray <a href="#chunks"><b>chunks</b></a> () const</li>
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</ul>
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<hr><a name="details"></a><h2>Detailed Description</h2>
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The TQCanvasRectangle class provides a rectangle on a <a href="tqcanvas.html">TQCanvas</a>.
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<p>
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<p> This item paints a single rectangle which may have any <a href="tqcanvaspolygonalitem.html#pen">pen</a>() and
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<a href="tqcanvaspolygonalitem.html#brush">brush</a>(), but may not be tilted/rotated. For rotated rectangles,
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use <a href="tqcanvaspolygon.html">TQCanvasPolygon</a>.
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<p> The rectangle's size and initial position can be set in the
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constructor. The size can be set or changed later using <a href="#setSize">setSize</a>().
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Use <a href="#height">height</a>() and <a href="#width">width</a>() to retrieve the rectangle's dimensions.
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<p> The rectangle can be drawn on a painter with <a href="#drawShape">drawShape</a>().
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<p> Like any other canvas item rectangles can be moved with
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<a href="tqcanvasitem.html#move">TQCanvasItem::move</a>() and <a href="tqcanvasitem.html#moveBy">TQCanvasItem::moveBy</a>(), or by setting
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coordinates with <a href="tqcanvasitem.html#setX">TQCanvasItem::setX</a>(), <a href="tqcanvasitem.html#setY">TQCanvasItem::setY</a>() and
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<a href="tqcanvasitem.html#setZ">TQCanvasItem::setZ</a>().
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<p> <p>See also <a href="graphics.html">Graphics Classes</a> and <a href="images.html">Image Processing Classes</a>.
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<hr><h2>Member Function Documentation</h2>
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<h3 class=fn><a name="TQCanvasRectangle"></a>TQCanvasRectangle::TQCanvasRectangle ( <a href="tqcanvas.html">TQCanvas</a> * canvas )
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</h3>
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Constructs a rectangle at position (0,0) with both width and
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height set to 32 pixels on <em>canvas</em>.
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<h3 class=fn><a name="TQCanvasRectangle-2"></a>TQCanvasRectangle::TQCanvasRectangle ( const <a href="ntqrect.html">TQRect</a> & r, <a href="tqcanvas.html">TQCanvas</a> * canvas )
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</h3>
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Constructs a rectangle positioned and sized by <em>r</em> on <em>canvas</em>.
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<h3 class=fn><a name="TQCanvasRectangle-3"></a>TQCanvasRectangle::TQCanvasRectangle ( int x, int y, int width, int height, <a href="tqcanvas.html">TQCanvas</a> * canvas )
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</h3>
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Constructs a rectangle at position (<em>x</em>, <em>y</em>) and size <em>width</em>
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by <em>height</em>, on <em>canvas</em>.
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<h3 class=fn><a name="~TQCanvasRectangle"></a>TQCanvasRectangle::~TQCanvasRectangle ()
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</h3>
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Destroys the rectangle.
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<h3 class=fn><a href="ntqpointarray.html">TQPointArray</a> <a name="chunks"></a>TQCanvasRectangle::chunks () const<tt> [virtual protected]</tt>
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</h3>
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Simply calls TQCanvasItem::chunks().
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<h3 class=fn>void <a name="drawShape"></a>TQCanvasRectangle::drawShape ( <a href="ntqpainter.html">TQPainter</a> & p )<tt> [virtual protected]</tt>
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</h3>
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Draws the rectangle on painter <em>p</em>.
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<p>Example: <a href="canvas-example.html#x2925">canvas/canvas.cpp</a>.
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<p>Reimplemented from <a href="tqcanvaspolygonalitem.html#drawShape">TQCanvasPolygonalItem</a>.
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<h3 class=fn>int <a name="height"></a>TQCanvasRectangle::height () const
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</h3>
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Returns the height of the rectangle.
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<h3 class=fn><a href="ntqrect.html">TQRect</a> <a name="rect"></a>TQCanvasRectangle::rect () const
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</h3>
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<p> Returns the integer-converted <a href="tqcanvasitem.html#x">x</a>(), <a href="tqcanvasitem.html#y">y</a>() position and <a href="#size">size</a>() of the
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rectangle as a <a href="ntqrect.html">TQRect</a>.
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<h3 class=fn>int <a name="rtti"></a>TQCanvasRectangle::rtti () const<tt> [virtual]</tt>
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</h3>
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Returns 5 (TQCanvasItem::Rtti_Rectangle).
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<p> <p>See also <a href="tqcanvasitem.html#rtti">TQCanvasItem::rtti</a>().
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<p>Reimplemented from <a href="tqcanvaspolygonalitem.html#rtti">TQCanvasPolygonalItem</a>.
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<h3 class=fn>void <a name="setSize"></a>TQCanvasRectangle::setSize ( int width, int height )
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</h3>
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Sets the <em>width</em> and <em>height</em> of the rectangle.
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<h3 class=fn><a href="ntqsize.html">TQSize</a> <a name="size"></a>TQCanvasRectangle::size () const
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</h3>
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<p> Returns the <a href="#width">width</a>() and <a href="#height">height</a>() of the rectangle.
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<p> <p>See also <a href="#rect">rect</a>() and <a href="#setSize">setSize</a>().
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<h3 class=fn>int <a name="width"></a>TQCanvasRectangle::width () const
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</h3>
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Returns the width of the rectangle.
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This file is part of the <a href="index.html">TQt toolkit</a>.
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Copyright © 1995-2007
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<a href="http://www.trolltech.com/">Trolltech</a>. All Rights Reserved.<p><address><hr><div align=center>
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