OpenCV 4计算机视觉项目实战（原书第2版）_源代码

# Chapter 03. Learning Graphical User Interfaces ## Requirements - QT library - VTK library - OpenCV 4.0 with Qt and VTK support ## Steps to build To compile on Linux, mac or Windows using Mingw ``` mkdir build cd build cmake .. make ``` ## Executables The following applications are generated. ``` ./ch3_sample1 ./ch3_sample2 ./ch3_sample3 ./ch3_sample4 ./ch3_sample5 ./ch3_sample6 ``` Sample 1. Basic GUI - Differences between Qt and Normal GUI - Create a window - Move - Resize - Wait for key - Destroy Sample 2. Qt functions - Properties window - Overlay - Status Bar - Note: Save and load Sample 3. Create a Slider - Create a slider - Event slider - Add +1 to image Sample 4. Create a button - Create a button - Event button - Change color to gray Sample 5. Advanced UI. OpenGL - Create an interface - Add some boxes - Update Sample 6. Advanced UI. VTK - Create basic VTK sample