Heartline Outline

Its lowercase is tall: the x-height is 52.1% of the cap height, against a median of 48.4% for script fonts, taller than 41 of the 53 other script fonts. Ascenders on b, d, h, k and l line up with the capitals (99.3% of their height), and descenders on g, j, p, q and y drop 46.3% of the cap height below the baseline, shallower than 39 of the 53 other script fonts. Its letters are of average width for script fonts: an average lowercase letter, spacing included, is 62.3% as wide as the capitals are tall (an average capital, 108.9%), within 2.8% of the median. The o is wider than it is tall, 1.55 to 1, and M is the widest capital, at 1.29 times the width of H. The O tops out level with H and stands 0.4% above the baseline.

Ink covers 19.9% of each lowercase letter's box (its advance width by the cap height), lighter than 40 of the 53 other script fonts. The letters are hollow: every stroke is drawn as a thin outline band.

Its 148 characters include 105 Latin letters, plus 43 figures, punctuation marks and symbols; 53 of the Latin letters are accented or special forms beyond A to Z. The word space measures 34.5% of the cap height, and lowercase letters reach 35.8% past their own widths into the space of their neighbours. Spacing is adjusted with 45 kerning pairs, fewer than 24 of the 53 other script fonts. The tightest of them is TA, which closes up by 28.5% of the cap height. The figures have different widths, so columns of numbers set in Heartline Outline will not line up exactly.

14 other library fonts share Heartline Outline's underlying letter structure. Compared with Heartline Outline, Inkwell Script keeps the letters plain, without the outline effect and puts down 124% more ink. Swiftpen keeps the letters plain, without the outline effect, puts down 25% less ink and has a 46% x-height. Willow Cursive keeps the letters plain, without the outline effect, sets 7% narrower and puts down 83% more ink.