Introducing the Graphics View framework

The Graphics View framework is a powerful graphics engine that allows you to visualize and interact with a large number of custom-made 2D graphical items. If you are an experienced programmer, you can use the graphics view framework to draw your GUI and have it animated completely manually. To draw hundreds or thousands of relatively lightweight customized items at once, Qt provides a separate view framework, the Graphics View framework. You can make use of the Graphics View framework if you are creating your own widget set from scratch, or if you have a large number of items to display on the screen at once, each with its own position and data. This is especially important for applications that process and display a large amount of data, such as geographic information systems or computer-aided design software.

Graphics View offers a surface for managing as well as interacting with a multitude of custom-created 2D graphical items, and a view...