Shows how to use an image with Fl_Box widget.
To build this project, open "Terminal" and type following lines:
mkdir build && cd build
cmake ..
start Box_Picture2.slnSelect Box_Picture2 project and type Ctrl+F5 to build and run it.
mkdir build && cd build
cmake .. -G "Xcode"
open ./Box_Picture2.xcodeprojSelect Box_Picture2 project and type Cmd+R to build and run it.
mkdir build && cd build
cmake ..
cmake --build . --config Debug
./Box_Picture2