Font Info
Names, vertical metrics and hinting values, per master.
| Status | Implemented |
|---|---|
| Stability | Names and metrics are editable; more of Font Info comes later |
Where It Is
The Font Info section appears in the right panel in the grid view. It
edits the active master and writes to that master’s
fontinfo.plist.
Switch masters in the Masters section to edit another one.
Names
| Family Name | The family every style belongs to. |
|---|---|
| Style Name | This master’s style. |
| UPM | Units per em. The coordinate grid everything else is measured in. |
Change UPM only at the start of a project. Every coordinate in the font is expressed in these units, and changing it later does not rescale the drawings.
Vertical Metrics
| Ascender, Descender | The UFO values, used by the editor and by tools reading the source. |
|---|---|
| Cap Height | The height of the capitals. |
| Italic Angle | The slant, in degrees. |
| typoAsc, typoDesc, typoGap | The OS/2 typographic values. |
| hheaAsc, hheaDesc, hheaGap | The hhea values. |
| winAsc, winDesc | The OS/2 Windows values, which govern clipping. |
Three sets of vertical metrics exist because different systems read different ones. They need to agree, or a line of text sits at different heights in different applications.
The Compare section reports vertical metrics that disagree between masters, which is the other way they go wrong.
Hinting Values
| Blue Values, Other Blues | The alignment zones: baseline, x-height, cap height, and the overshoots around them. |
|---|---|
| Stems V, Stems H | The dominant stem widths, vertical and horizontal. |
The Dimensions section measures the stems actually present in your reference glyphs, per master. Use it to check that the values you typed here match what you drew.
Axes and Instances
Axes, instances, and axis mappings belong to the designspace rather than to one master, so they live in the Axes section. See Masters and Interpolation.