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170 lines
8.6 KiB
170 lines
8.6 KiB
13 years ago
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<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN">
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<!-- /home/espenr/tmp/qt-3.3.8-espenr-2499/qt-x11-free-3.3.8/src/canvas/qcanvas.cpp:4858 -->
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<head>
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<meta http-equiv="Content-Type" content="text/html; charset=ISO-8859-1">
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<title>TQCanvasText Class</title>
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<font color="#004faf">Home</font></a>
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<font color="#004faf">All Classes</font></a>
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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>TQCanvasText Class Reference<br><small>[<a href="canvas.html">canvas module</a>]</small></h1>
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<p>The TQCanvasText class provides a text object on a TQCanvas.
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<a href="#details">More...</a>
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<p><tt>#include <<a href="qcanvas-h.html">qcanvas.h</a>></tt>
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<p>Inherits <a href="qcanvasitem.html">TQCanvasItem</a>.
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<p><a href="qcanvastext-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="#TQCanvasText"><b>TQCanvasText</b></a> ( TQCanvas * canvas )</li>
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<li class=fn><a href="#TQCanvasText-2"><b>TQCanvasText</b></a> ( const TQString & t, TQCanvas * canvas )</li>
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<li class=fn><a href="#TQCanvasText-3"><b>TQCanvasText</b></a> ( const TQString & t, TQFont f, TQCanvas * canvas )</li>
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<li class=fn>virtual <a href="#~TQCanvasText"><b>~TQCanvasText</b></a> ()</li>
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<li class=fn>void <a href="#setText"><b>setText</b></a> ( const TQString & t )</li>
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<li class=fn>void <a href="#setFont"><b>setFont</b></a> ( const TQFont & f )</li>
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<li class=fn>void <a href="#setColor"><b>setColor</b></a> ( const TQColor & c )</li>
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<li class=fn>TQString <a href="#text"><b>text</b></a> () const</li>
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<li class=fn>TQFont <a href="#font"><b>font</b></a> () const</li>
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<li class=fn>TQColor <a href="#color"><b>color</b></a> () const</li>
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<li class=fn>int <a href="#textFlags"><b>textFlags</b></a> () const</li>
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<li class=fn>void <a href="#setTextFlags"><b>setTextFlags</b></a> ( int f )</li>
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<li class=fn>virtual TQRect <a href="#boundingRect"><b>boundingRect</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="#draw"><b>draw</b></a> ( TQPainter & painter )</li>
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</ul>
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<hr><a name="details"></a><h2>Detailed Description</h2>
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The TQCanvasText class provides a text object on a <a href="qcanvas.html">TQCanvas</a>.
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<p>
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<p> A canvas text item has text with font, color and alignment
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attributes. The text and font can be set in the constructor or set
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or changed later with <a href="#setText">setText</a>() and <a href="#setFont">setFont</a>(). The color is set
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with <a href="#setColor">setColor</a>() and the alignment with <a href="#setTextFlags">setTextFlags</a>(). The text
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item's bounding rectangle is retrieved with <a href="#boundingRect">boundingRect</a>().
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<p> The text can be drawn on a painter with <a href="#draw">draw</a>().
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<p> Like any other canvas item text items can be moved with
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<a href="qcanvasitem.html#move">TQCanvasItem::move</a>() and <a href="qcanvasitem.html#moveBy">TQCanvasItem::moveBy</a>(), or by setting
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coordinates with <a href="qcanvasitem.html#setX">TQCanvasItem::setX</a>(), <a href="qcanvasitem.html#setY">TQCanvasItem::setY</a>() and
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<a href="qcanvasitem.html#setZ">TQCanvasItem::setZ</a>().
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<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="TQCanvasText"></a>TQCanvasText::TQCanvasText ( <a href="qcanvas.html">TQCanvas</a> * canvas )
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</h3>
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Constructs a TQCanvasText with the text "<text>", on <em>canvas</em>.
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<h3 class=fn><a name="TQCanvasText-2"></a>TQCanvasText::TQCanvasText ( const <a href="qstring.html">TQString</a> & t, <a href="qcanvas.html">TQCanvas</a> * canvas )
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</h3>
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Constructs a TQCanvasText with the text <em>t</em>, on canvas <em>canvas</em>.
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<h3 class=fn><a name="TQCanvasText-3"></a>TQCanvasText::TQCanvasText ( const <a href="qstring.html">TQString</a> & t, <a href="qfont.html">TQFont</a> f, <a href="qcanvas.html">TQCanvas</a> * canvas )
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</h3>
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Constructs a TQCanvasText with the text <em>t</em> and font <em>f</em>, on the
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canvas <em>canvas</em>.
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<h3 class=fn><a name="~TQCanvasText"></a>TQCanvasText::~TQCanvasText ()<tt> [virtual]</tt>
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</h3>
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Destroys the canvas text item.
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<h3 class=fn><a href="qrect.html">TQRect</a> <a name="boundingRect"></a>TQCanvasText::boundingRect () const<tt> [virtual]</tt>
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</h3>
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Returns the bounding rectangle of the text.
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<p>Reimplemented from <a href="qcanvasitem.html#boundingRect">TQCanvasItem</a>.
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<h3 class=fn><a href="qcolor.html">TQColor</a> <a name="color"></a>TQCanvasText::color () const
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</h3>
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Returns the color of the text.
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<p> <p>See also <a href="#setColor">setColor</a>().
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<h3 class=fn>void <a name="draw"></a>TQCanvasText::draw ( <a href="qpainter.html">TQPainter</a> & painter )<tt> [virtual protected]</tt>
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</h3>
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Draws the text using the painter <em>painter</em>.
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<p>Reimplemented from <a href="qcanvasitem.html#draw">TQCanvasItem</a>.
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<h3 class=fn><a href="qfont.html">TQFont</a> <a name="font"></a>TQCanvasText::font () const
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</h3>
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Returns the font in which the text is drawn.
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<p> <p>See also <a href="#setFont">setFont</a>().
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<h3 class=fn>int <a name="rtti"></a>TQCanvasText::rtti () const<tt> [virtual]</tt>
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</h3>
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Returns 3 (TQCanvasItem::Rtti_Text).
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<p> <p>See also <a href="qcanvasitem.html#rtti">TQCanvasItem::rtti</a>().
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<p>Reimplemented from <a href="qcanvasitem.html#rtti">TQCanvasItem</a>.
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<h3 class=fn>void <a name="setColor"></a>TQCanvasText::setColor ( const <a href="qcolor.html">TQColor</a> & c )
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</h3>
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Sets the color of the text to the color <em>c</em>.
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<p> <p>See also <a href="#color">color</a>() and <a href="#setFont">setFont</a>().
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<p>Example: <a href="tutorial2-06.html#x2574">chart/chartform_canvas.cpp</a>.
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<h3 class=fn>void <a name="setFont"></a>TQCanvasText::setFont ( const <a href="qfont.html">TQFont</a> & f )
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</h3>
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Sets the font in which the text is drawn to font <em>f</em>.
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<p> <p>See also <a href="#font">font</a>().
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<h3 class=fn>void <a name="setText"></a>TQCanvasText::setText ( const <a href="qstring.html">TQString</a> & t )
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</h3>
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Sets the text item's text to <em>t</em>. The text may contain newlines.
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<p> <p>See also <a href="#text">text</a>(), <a href="#setFont">setFont</a>(), <a href="#setColor">setColor</a>(), and <a href="#setTextFlags">setTextFlags</a>().
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<p>Example: <a href="canvas-example.html#x2929">canvas/canvas.cpp</a>.
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<h3 class=fn>void <a name="setTextFlags"></a>TQCanvasText::setTextFlags ( int f )
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</h3>
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Sets the alignment flags to <em>f</em>. These are a bitwise OR of the
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flags available to <a href="qpainter.html#drawText">TQPainter::drawText</a>() -- see the
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<a href="qt.html#AlignmentFlags-enum">TQt::AlignmentFlags</a>.
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<p> <p>See also <a href="#setFont">setFont</a>() and <a href="#setColor">setColor</a>().
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<h3 class=fn><a href="qstring.html">TQString</a> <a name="text"></a>TQCanvasText::text () const
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</h3>
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Returns the text item's text.
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<p> <p>See also <a href="#setText">setText</a>().
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<h3 class=fn>int <a name="textFlags"></a>TQCanvasText::textFlags () const
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</h3>
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<p> Returns the currently set alignment flags.
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<p> <p>See also <a href="#setTextFlags">setTextFlags</a>() and <a href="qt.html#AlignmentFlags-enum">TQt::AlignmentFlags</a>.
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<!-- eof -->
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<hr><p>
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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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<table width=100% cellspacing=0 border=0><tr>
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<td>Copyright © 2007
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<a href="troll.html">Trolltech</a><td align=center><a href="trademarks.html">Trademarks</a>
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<td align=right><div align=right>TQt 3.3.8</div>
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</table></div></address></body>
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</html>
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