These classes provide support for graphics (2D, and with OpenGL, 3D), image encoding, decoding, and manipulation, sound, animation, printing etc.
| QAbstractGraphicsShapeItem | Common base for all path items |
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| 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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| QColorDialog | Dialog widget for specifying colors |
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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 Qtopia Core |
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| QFont | Font used for drawing text |
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| QFontDatabase | Information about the fonts available in the underlying window system |
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| QFontInfo | General information about fonts |
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| QFontMetrics | Font metrics information |
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| QFontMetricsF | Font metrics information |
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| QGL | Miscellaneous identifiers used in the Qt OpenGL module |
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| QGLColormap | Used for installing custom colormaps into QGLWidgets |
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| QGLContext | Encapsulates an OpenGL rendering context |
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| QGLFormat | The display format of an OpenGL rendering context |
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| QGLFramebufferObject | Encapsulates an OpenGL framebuffer object |
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| QGLPixelBuffer | Encapsulates an OpenGL pbuffer |
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| QGLWidget | Widget for rendering OpenGL graphics |
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| QGradient | Used in combination with QBrush to specify gradient fills |
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| QGraphicsEllipseItem | Ellipse item that you can add to a QGraphicsScene |
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| QGraphicsItem | The base class for all graphical items in a QGraphicsScene |
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| QGraphicsItemAnimation | Simple animation support for QGraphicsItem |
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| QGraphicsItemGroup | Treating a group of items as one |
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| QGraphicsLineItem | Line item that you can add to a QGraphicsScene |
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| QGraphicsPathItem | Path item that you can add to a QGraphicsScene |
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| QGraphicsPixmapItem | Pixmap item that you can add to a QGraphicsScene |
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| QGraphicsPolygonItem | Polygon item that you can add to a QGraphicsScene |
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| QGraphicsRectItem | Rectangle item that you can add to a QGraphicsScene |
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| QGraphicsScene | Surface for managing a large number of 2D graphical items |
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| QGraphicsSceneContextMenuEvent | Context menu events in the graphics view framework |
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| QGraphicsSceneDragDropEvent | Events for drag and drop in the graphics view framework |
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| QGraphicsSceneEvent | Base class for all graphics view related events |
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| QGraphicsSceneHelpEvent | Events when a tooltip is requested |
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| QGraphicsSceneHoverEvent | Hover events in the graphics view framework |
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| QGraphicsSceneMouseEvent | Mouse events in the graphics view framework |
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| QGraphicsSceneWheelEvent | Wheel events in the graphics view framework |
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| QGraphicsSimpleTextItem | Text item that you can add to a QGraphicsScene |
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| QGraphicsSvgItem | QGraphicsItem that can be used to render the contents of SVG files |
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| QGraphicsTextItem | Text item that you can add to a QGraphicsScene to display formatted text |
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| QGraphicsView | Widget for displaying the contents of a QGraphicsScene |
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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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| 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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| QMatrix | 2D transformations of a coordinate system |
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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 | 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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| QPictureIO | Parameters for loading and saving pictures |
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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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| QPrintEngine | Defines an interface for how QPrinter interacts with a given printing subsystem |
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| QPrinter | Paint device that paints on a printer |
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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 | 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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| QSound | Access to the platform audio facilities |
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| QStyleOptionGraphicsItem | Used to describe the parameters needed to draw a QGraphicsItem |
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| QStylePainter | Convenience class for drawing QStyle elements inside a widget |
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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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| QTimeLine | Timeline for controlling animations |
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