Creating XOPQ sources
draft
Uppercase
Straight glyphs
- only XOPQ changes
- only x-direction deltas
XOPQ max
XOPQ min
Round glyphs
- only x-direction deltas (?)
In AmstelvarA2 Italic, should we add some rotation with y-deltas? See XTRA / Round glyphs.
XOPQ max
XOPQ min
Diagonal glyphs
- angle of slanted strokes does not change
- xy-direction deltas allowed in slanted strokes
- in AmstelvarA2, slanted measurements are aligned to stroke
- XTRA may change slightly to accommodate angles
In RobotoDelta, the angle of slanted strokes is different from the default.
XOPQ max
XOPQ min
Single-stem glyphs
- XTRA should increase proportionally with XOPQ, to account for second vertical stroke in control glyph
XOPQ max
XOPQ min
Lowercase
Straight glyphs
- AmstelvarA2 Roman: XOLC changes in
- AmstelvarA2 Roman: YOLC changes on XOLC max because of /n’s shoulder translation
- AmstelvarA2 Roman: Mostly x-direction deltas and a little bit of y-direction deltas in XOLC max
- AmstelvarA2 Roman: Only x-direction delta in XOLC min
XOPQ max
XOPQ min
Round glyphs
- AmstelvarA2 Roman: only x-direction deltas
XOPQ max
Diagonal glyphs
- AmstelvarA2 Roman: angle of slanted strokes does not change
- AmstelvarA2 Roman: xy-direction deltas allowed in slanted strokes
- AmstelvarA2 Roman: slanted measurements are aligned to stroke
- AmstelvarA2 Roman: XTRA may change slightly to accommodate angles
XOPQ max
XOPQ min
Figures
Straight glyphs
- AmstelvarA2 Roman: XOFI changes
- AmstelvarA2 Roman: Since it’s a single stem glyph XTRA changes according to the XOPQ
XOPQ max
XOPQ min
Round glyphs
- AmstelvarA2 Roman: only x-direction deltas
XOPQ max
XOPQ min
Etcetera
…