Through this chapter, you'll find how easy it is to access and control a camera with Qt. The example in this chapter also demonstrates how to utilize the status bar and menu bar. In addition to the traditional Qt Widget applications, there is a QML camera example, which does the same thing as Qt/C++ but in a more elegant way. The following topics, which are covered in this chapter, will extend your application:
Accessing the camera in Qt
Controlling the camera
Displaying errors in the status bar
Displaying the permanent widgets in the status bar
Utilizing the menu bar
Using
QFileDialogUsing the QML Camera