Protractor is an accurate angle measuring tool. Generate one or more screen protractors on the screen like real protractors so that you can measure angles without having a real protractor.
* Support to generate one or more protractor.
* Support lock reference line
* Rotate
- Reset
- Counterclockwise 1°
- Clockwise 1°
- Counterclockwise 10°
- Clockwise 10°
* Keyboard shortcut movement
- Move up
- Move down
- Move left
- Move right
* Resize
* Alpha (0~1)