- Game Programming using Qt 5 Beginner's Guide
- Pavel Strakhov Witold Wysota Lorenz Haas
- 64字
- 2021-08-27 18:31:04
Painter paths
If you want to create a graphics item that consists of multiple geometric primitives, creating multiple QGraphicsItem objects seems to be tedious. Fortunately, Qt provides a QGraphicsPathItem class that allows you to specify a number of primitives in a QPainterPath object. QPainterPath allows you to "record" multiple painting instructions (including filling, outlining, and clipping), and then efficiently reuse them multiple times.