| QBitmap | Monochrome (1-bit depth) pixmaps | 
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| QBrush | Defines the fill pattern of shapes drawn by QPainter | 
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| QColor | Colors based on RGB, HSV or CMYK values | 
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| QColormap | Maps device independent QColors to device dependent pixel values | 
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| QConicalGradient | Used in combination with QBrush to specify a conical gradient brush | 
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| QDirectPainter | Direct access to the underlying hardware in Qt for Embedded Linux | 
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| QFont | Specifies a font used for drawing text | 
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| QFontMetrics | Font metrics information | 
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| QFontMetricsF | Font metrics information | 
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| QGenericMatrix | Template class that represents a NxM transformation matrix with N columns and M rows | 
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| QGradient | Used in combination with QBrush to specify gradient fills | 
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| QIcon | Scalable icons in different modes and states | 
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| QIconEngine | Abstract base class for QIcon renderers | 
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| QIconEngineV2 | Abstract base class for QIcon renderers | 
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| QImage | Hardware-independent image representation that allows direct access to the pixel data, and can be used as a paint device | 
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| QImageReader | Format independent interface for reading images from files or other devices | 
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| QImageWriter | Format independent interface for writing images to files or other devices | 
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| QLine | Two-dimensional vector using integer precision | 
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| QLineF | Two-dimensional vector using floating point precision | 
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| QLinearGradient | Used in combination with QBrush to specify a linear gradient brush | 
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| QMargins | Defines the four margins of a rectangle | 
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| QMovie | Convenience class for playing movies with QImageReader | 
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| QPaintDevice | The base class of objects that can be painted | 
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| QPaintEngine | Abstract definition of how QPainter draws to a given device on a given platform | 
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| QPainter | Performs low-level painting on widgets and other paint devices | 
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| QPainterPath | Container for painting operations, enabling graphical shapes to be constructed and reused | 
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| QPainterPathStroker | Used to generate fillable outlines for a given painter path | 
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| QPalette | Contains color groups for each widget state | 
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| QPen | Defines how a QPainter should draw lines and outlines of shapes | 
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| QPicture | Paint device that records and replays QPainter commands | 
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| QPixmap | Off-screen image representation that can be used as a paint device | 
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| QPixmapCache | Application-wide cache for pixmaps | 
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| QPoint | Defines a point in the plane using integer precision | 
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| QPointF | Defines a point in the plane using floating point precision | 
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| QPolygon | Vector of points using integer precision | 
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| QPolygonF | Vector of points using floating point precision | 
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| QRadialGradient | Used in combination with QBrush to specify a radial gradient brush | 
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| QRect | Defines a rectangle in the plane using integer precision | 
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| QRectF | Defines a rectangle in the plane using floating point precision | 
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| QRegion | Specifies a clip region for a painter | 
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| QSize | Defines the size of a two-dimensional object using integer point precision | 
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| QSizeF | Defines the size of a two-dimensional object using floating point precision | 
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| QStylePainter | Convenience class for drawing QStyle elements inside a widget | 
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| QSvgGenerator | Paint device that is used to create SVG drawings | 
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| QSvgRenderer | Used to draw the contents of SVG files onto paint devices | 
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| QSvgWidget | Widget that is used to display the contents of Scalable Vector Graphics (SVG) files | 
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| QTransform | Specifies 2D transformations of a coordinate system | 
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| QVector2D | Represents a vector or vertex in 2D space | 
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