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Graphics Classes

These classes provide powerful graphics drawing primitives for both 2D and (with OpenGL) 3D.

See also this introduction to the Qt coordinate system.

QBitmapMonochrome (1-bit depth) pixmaps
QBrushDefines the fill pattern of shapes drawn by a QPainter
QCanvas2D area that can contain QCanvasItem objects
QCanvasEllipseEllipse or ellipse segment on a QCanvas
QCanvasItemAbstract graphic object on a QCanvas
QCanvasItemListList of QCanvasItems
QCanvasLineLine on a QCanvas
QCanvasPixmapPixmaps for QCanvasSprites
QCanvasPixmapArrayArray of QCanvasPixmaps
QCanvasPolygonPolygon on a QCanvas
QCanvasPolygonalItemPolygonal canvas item on a QCanvas
QCanvasRectangleRectangle on a QCanvas
QCanvasSplineMulti-bezier splines on a QCanvas
QCanvasSpriteAnimated canvas item on a QCanvas
QCanvasTextText object on a QCanvas
QCanvasViewOn-screen view of a QCanvas
QColorColors based on RGB or HSV values
QColorDialogDialog widget for specifying colors
QColorGroupGroup of widget colors
QDirectPainterDirect access to the video hardware
QFontFont used for drawing text
QFontDatabaseInformation about the fonts available in the underlying window system
QFontInfoGeneral information about fonts
QFontMetricsFont metrics information
QGLNamespace for miscellaneous identifiers in the Qt OpenGL module
QGLColormapUsed for installing custom colormaps into QGLWidgets
QGLContextEncapsulates an OpenGL rendering context
QGLFormatThe display format of an OpenGL rendering context
QGLWidgetWidget for rendering OpenGL graphics
QIconSetSet of icons with different styles and sizes
QImageHardware-independent pixmap representation with direct access to the pixel data
QImageConsumerAbstraction used by QImageDecoder
QImageDecoderIncremental image decoder for all supported image formats
QImageFormatIncremental image decoder for a specific image format
QImageFormatTypeFactory that makes QImageFormat objects
QImageIOParameters for loading and saving images
QMovieIncremental loading of animations or images, signalling as it progresses
QPaintDeviceThe base class of objects that can be painted
QPaintDeviceMetricsInformation about a paint device
QPainterDoes low-level painting e.g. on widgets
QPaletteColor groups for each widget state
QPenDefines how a QPainter should draw lines and outlines of shapes
QPicturePaint device that records and replays QPainter commands
QPixmapOff-screen, pixel-based paint device
QPixmapCacheApplication-global cache for pixmaps
QPNGImagePackerCreates well-compressed PNG animations
QPointDefines a point in the plane
QPointArrayArray of points
QPrinterPaint device that paints on a printer
QRectDefines a rectangle in the plane
QRegionClip region for a painter
QSizeDefines the size of a two-dimensional object
QStyleSheetCollection of styles for rich text rendering and a generator of tags
QWMatrix2D transformations of a coordinate system


Copyright © 2003 TrolltechTrademarks
Qt 3.2.1