VarFontAssistant

A tool to view and edit font-level values in multiple designspace sources.

RF4 Rewritten using the new RoboFont 4 APIs.

Designspace

Use the designspace tab to define which designspaces and font sources to look into.

designspaces
Drag one or more .designspace files into the list.
sources

A list of all sources in the selected designspace.
Select which sources to display values from in the next tabs.

open
Use the open button to open the selected sources in the UI.
reload
Use the reload button to update the font data for all sources.

Font info

Visualize and edit font values in selected sources.

attributes
A list of font attributes for which to display collected values.
values
Values for the selected font attribute across all selected sources.

Kerning

Visualize and edit kerning values in selected sources.

pairs
A list of all kerning pairs in all selected sources.
values
Values for the selected kerning pair across all selected sources.

Measurements

Collect custom measurements from the selected sources.

load…
Open a dialog to select a measurements file and load its data into the UI.
measurements
A list of measurement definitions contained in the selected file.
d-threshold
Threshold value for validating the scale of the glyph measurement in relation to the default font.

Validation

checks
Select which glyph attributes to check against the default source.
validate
Validate the selected sources.
result
The result is printed to the output area once the validation process is completed.