Core tools

RoboFont’s Glyph Editor comes with four core tools for interacting with glyphs:

These interactive tools are built around macOS NSEvent objects, which represent input actions such as mouse clicks, mouse position, pressed keys, etc.

Custom tools

Custom interactive tools can be created by subclassing the BaseEventTool or one of the other core tools which are available from the module:

# subclass base tool
from import BaseEventTool
# or one of the core tools
from import EditingTool, BezierDrawingTool, SliceTool, MeasurementTool


Several custom interactive tools are available as open-source extensions:

Last edited on 15/07/2021