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Implicitly and Explicitly Shared Classes
These classes are normally-heavy classes which in Qt have been optimized by the use of reference counter and common data so they can be passed around.
The only important effect is that the classes listed here can be passed around as arguments efficiently, even though they may seem heavyweight.
| QBitArray | Array of bits |
| QBitmap | Monochrome (1-bit depth) pixmaps |
| QBrush | Defines the fill pattern of shapes drawn by a QPainter |
| QCString | Abstraction of the classic C zero-terminated char array (char *) |
| QCursor | Mouse cursor with an arbitrary shape |
| QFont | Font used for drawing text |
| QFontInfo | General information about fonts |
| QFontMetrics | Font metrics information |
| QIconSet | Set of icons with different styles and sizes |
| QImage | Hardware-independent pixmap representation with direct access to the pixel data |
| QMap | Value-based template class that provides a dictionary |
| QPair | Value-based template class that provides a pair of elements |
| QPalette | Color groups for each widget state |
| QPen | Defines how a QPainter should draw lines and outlines of shapes |
| QPicture | Paint device that records and replays QPainter commands |
| QPixmap | Off-screen, pixel-based paint device |
| QPointArray | Array of points |
| QRegExp | Pattern matching using regular expressions |
| QString | Abstraction of Unicode text and the classic C null-terminated char array |
| QStringList | List of strings |
| QValueList | Value-based template class that provides doubly linked lists |
| QValueStack | Value-based template class that provides a stack |
| QValueVector | Value-based template class that provides a dynamic array |
| Copyright © 2002 Trolltech | Trademarks | Qt version 3.0.5
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