fontforge/fontforge — pull request #237 by jhps (2013-01-18 01:14:46+00:00)
Title: Incremental additions to measure tool.

To measure tool, add:
- snap to points, configurable snap distance
- configurable line and and text colors
- configurable window forground and background colors
- lingering measurement, including floating window, cancelled by mouse-down of measure tool
- measure tool dialog on double-click of measure tool icon
- optional horizontal and vertical distance indication on canvas

In a little while, though, a rework should remove the floating windows entirely, uncluttering the main canvas, and allow the measure tool to stay active during editing, updating and following snapped points.