| #!/usr/bin/env python3 |
| |
| from utils import mathfont |
| |
| # Create a font with glyphs for all the font-relative CSS units |
| # (so that they all have length 1em). |
| # See https://drafts.csswg.org/css-values-4/#lengths |
| f = mathfont.create("css-units", |
| "Copyright (c) 2025 Igalia S.L.") |
| |
| mathfont.drawRectangleGlyph(f.createChar(ord("x")), mathfont.em, mathfont.em // 2) # ex = 0.5em |
| mathfont.createSquareGlyph(f, ord("O")) # cap = 1em |
| mathfont.createSquareGlyph(f, ord("0")) # ch = 1em |
| mathfont.createSquareGlyph(f, ord("水")) # ic = 1em |
| |
| assert f.capHeight == 1000 |
| assert f.xHeight == 500 |
| |
| mathfont.save(f) |
