Chapter 4. Controlling Camera and Taking Photos
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
QFileDialog - Using the QML Camera
Accessing the camera in Qt
Although we won't talk about the technical details of how a camera works, ...
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