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These classes provide support for graphics (2D, and with OpenGL, 3D), image encoding, decoding, and manipulation, sound, animation, printing etc.
See also this introduction to the Qt coordinate system.
QBitmap | Monochrome (1-bit depth) pixmaps |
QBrush | Defines the fill pattern of shapes drawn by a QPainter |
QColor | Colors based on RGB or HSV values |
QColorDialog | Dialog widget for specifying colors |
QDirectPainter | Direct access to the video hardware |
QFont | Font used for drawing text |
QFontDatabase | Information about the fonts available in the underlying window system |
QFontInfo | General information about fonts |
QFontMetrics | Font metrics information |
QGL | Namespace for miscellaneous identifiers in the Qt OpenGL module |
QGLColormap | Used for installing custom colormaps into QGLWidgets |
QGLContext | Encapsulates an OpenGL rendering context |
QGLFormat | The display format of an OpenGL rendering context |
QGLWidget | Widget for rendering OpenGL graphics |
QIconSet | Set of icons with different styles and sizes |
QImage | Hardware-independent pixmap representation with direct access to the pixel data |
QImageConsumer | Abstraction used by QImageDecoder |
QImageDecoder | Incremental image decoder for all supported image formats |
QImageFormat | Incremental image decoder for a specific image format |
QImageFormatType | Factory that makes QImageFormat objects |
QImageIO | Parameters for loading and saving images |
QMovie | Incremental loading of animations or images, signalling as it progresses |
QPNGImagePacker | Creates well-compressed PNG animations |
QPaintDevice | The base class of objects that can be painted |
QPaintDeviceMetrics | Information about a paint device |
QPainter | Does low-level painting e.g. on widgets |
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 |
QPictureIO | Parameters for loading and saving pictures |
QPixmap | Off-screen, pixel-based paint device |
QPixmapCache | Application-wide cache for pixmaps |
QPoint | Defines a point in the plane |
QPointArray | Vector of points |
QPrinter | Paint device that paints on a printer |
QRect | Defines a rectangle in the plane |
QRegion | Clip region for a painter |
QSize | Defines the size of a two-dimensional object |
QSound | Access to the platform audio facilities |
QWMatrix | 2D transformations of a coordinate system |
Copyright © 2004 Trolltech. | Trademarks | Qt 4.0.0-tp1 |