rlr: a pixel screen ruler

Rust + GTK interactive pixel screen ruler with protractor mode.

demo

use

• 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.

build

cargo build --release

packaging

To help packagers in OSes that support the XDG Desktop standards, a .desktop app launcher filer, an application icon and a symbolic application icon are included.

• rlr.desktop should be installed in any of the following: /usr/share/applications/, /usr/local/share/applications/ or $HOME/.local/share/applications/.
• rlr.svg should be installed in /usr/share/icons/hicolor/scalable/apps/rlr.svg.
• rlr.symbolic.svg should be installed in /usr/share/icons/hicolor/symbolic/apps/rlr.svg.

The files have been contributed by https://github.com/somepaulo.