Commands
- Clicking in a color at the top changes the brush to that color
- Up and down arrows change colors saturation
- Right and left arrows change colors brightness
- Delete cleans the screen
- R activates or deactivates rainbow brush color
- E activates or deactivates eraser
- C changes the brush tob a random color
- B allow to change the background color, but also cleans the screen
Brush types (press the key number to select)
- Quill (stroke weight varies)
- Thin line
- Thicker line
- Caligraphy
- Paintbrush
- Line with transparency