Simple drawing application with no apparent UI.
Right-click for the context menu.
The list of shortcuts:
- 'e' for erasing mode
- 'h' for dragging mode
- 'd' for drawing mode
- 's' for selecting mode
- '1' through '5' to change the drawing color
- 'r' to reset the application
- 'ctrl+z'/'ctrl+y' to undo/redo
- 'f' to recenter
- '+'/'-' to zoom
- 'ctrl+s' to save
- 'ctrl+d' to duplicate selection
