The QStyleOption class stores the parameters used by QStyle functions.| doc.qt.io
The QPalette class contains color groups for each widget state.| doc.qt.io
The QPicture class is a paint device that records and replays QPainter commands.| doc.qt.io
The QImage class provides a hardware-independent image representation that allows direct access to the pixel data, and can be used as a paint device.| doc.qt.io
The QPixmap class is an off-screen image representation that can be used as a paint device.| doc.qt.io
The QList class is a template class that provides a dynamic array.| doc.qt.io
The QStringList class provides a list of strings.| doc.qt.io
The QByteArray class provides an array of bytes.| doc.qt.io
Qt's template-based container classes.| doc.qt.io
The QString class provides a Unicode character string.| doc.qt.io