`rlr`: a pixel screen ruler

Rust + GTK interactive pixel screen ruler with protractor mode.

demo

`![./demo.png](./demo.png)`
`![./demo.gif](./demo.gif)`	`![./demo_move.gif](./demo_move.gif)`

Quit with q or Ctrl-Q.
Click to drag.
Press r to rotate 90 degrees. Press <Shift>r to flip (mirror) the marks without rotation.
Press p to toggle protractor mode.
Press f or <Space> to toggle freezing the measurements.
Press Control_L and drag the angle base side to rotate it in protractor mode.
Press Control_L continuously to disable precision (measurements will snap to nearest integer).
Press + to increase size.
Press - to decrease size.
Press Up, Down, Left, Right to move window position by 10 pixels. Also hold down Control_L to move by 1 pixel.

shell cargo build --release