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<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN"><!-- /home/reggie/tmp/qt-3.0-reggie-5401/qt-x11-commercial-3.0.5/doc/indices.doc:621 --><html><head><meta http-equiv="Content-Type" content="text/html; charset=ISO-8859-1"><title>Implicitly and Explicitly Shared Classes</title><style type="text/css"><!--h3.fn,span.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>Implicitly and Explicitly Shared Classes</h1> <p> These classes are normally-heavy classes which in Qt have beenoptimized by the use of reference counter and common data so they canbe passed around.<p> The only important effect is that the classes listed here <em>can</em>be passed around as arguments efficiently, even though they mayseem heavyweight.<p> <p><table width="100%"><tr bgcolor=#f0f0f0><td><b><a href="qbitarray.html">QBitArray</a></b><td>Array of bits<tr bgcolor=#f0f0f0><td><b><a href="qbitmap.html">QBitmap</a></b><td>Monochrome (1-bit depth) pixmaps<tr bgcolor=#f0f0f0><td><b><a href="qbrush.html">QBrush</a></b><td>Defines the fill pattern of shapes drawn by a QPainter<tr bgcolor=#f0f0f0><td><b><a href="qcstring.html">QCString</a></b><td>Abstraction of the classic C zero-terminated char array (char *)<tr bgcolor=#f0f0f0><td><b><a href="qcursor.html">QCursor</a></b><td>Mouse cursor with an arbitrary shape<tr bgcolor=#f0f0f0><td><b><a href="qfont.html">QFont</a></b><td>Font used for drawing text<tr bgcolor=#f0f0f0><td><b><a href="qfontinfo.html">QFontInfo</a></b><td>General information about fonts<tr bgcolor=#f0f0f0><td><b><a href="qfontmetrics.html">QFontMetrics</a></b><td>Font metrics information<tr bgcolor=#f0f0f0><td><b><a href="qiconset.html">QIconSet</a></b><td>Set of icons with different styles and sizes<tr bgcolor=#f0f0f0><td><b><a href="qimage.html">QImage</a></b><td>Hardware-independent pixmap representation with direct access to the pixel data<tr bgcolor=#f0f0f0><td><b><a href="qmap.html">QMap</a></b><td>Value-based template class that provides a dictionary<tr bgcolor=#f0f0f0><td><b><a href="qpair.html">QPair</a></b><td>Value-based template class that provides a pair of elements<tr bgcolor=#f0f0f0><td><b><a href="qpalette.html">QPalette</a></b><td>Color groups for each widget state<tr bgcolor=#f0f0f0><td><b><a href="qpen.html">QPen</a></b><td>Defines how a QPainter should draw lines and outlines of shapes<tr bgcolor=#f0f0f0><td><b><a href="qpicture.html">QPicture</a></b><td>Paint device that records and replays QPainter commands<tr bgcolor=#f0f0f0><td><b><a href="qpixmap.html">QPixmap</a></b><td>Off-screen, pixel-based paint device<tr bgcolor=#f0f0f0><td><b><a href="qpointarray.html">QPointArray</a></b><td>Array of points<tr bgcolor=#f0f0f0><td><b><a href="qregexp.html">QRegExp</a></b><td>Pattern matching using regular expressions<tr bgcolor=#f0f0f0><td><b><a href="qstring.html">QString</a></b><td>Abstraction of Unicode text and the classic C null-terminated char array<tr bgcolor=#f0f0f0><td><b><a href="qstringlist.html">QStringList</a></b><td>List of strings<tr bgcolor=#f0f0f0><td><b><a href="qvaluelist.html">QValueList</a></b><td>Value-based template class that provides doubly linked lists<tr bgcolor=#f0f0f0><td><b><a href="qvaluestack.html">QValueStack</a></b><td>Value-based template class that provides a stack<tr bgcolor=#f0f0f0><td><b><a href="qvaluevector.html">QValueVector</a></b><td>Value-based template class that provides a dynamic array</table><!-- eof --><p><address><hr><div align=center><table width=100% cellspacing=0 border=0><tr><td>Copyright © 2002 <a href="http://www.trolltech.com">Trolltech</a><td><a href="http://www.trolltech.com/trademarks.html">Trademarks</a><td align=right><div align=right>Qt version 3.0.5</div></table></div></address></body></html>⌨️ 快捷键说明
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