Previously, SFText and SFDisplay had different tracking values, because smaller fonts usually requires more tracking to make it easier to read text.It’s different than Kerning which is a micro-correction in spacing that’s only applied to certain pairs Tracking is the action of adding spaces between glyphs in text layout (equally across the whole word).The following APIs handle optical sizes automatically for system fonts (as well as custom fonts with optical size access):.

This year, Apple has moved away from multiple fonts versions to a single SFPro.ttf font which can change how it looks in many different aspects according to its font size.Introduced in 2016, variable fonts lets you use one font that adapts to different text point sizes dynamically.The difference between these two fonts lies in different aspects, spacing and vertical proportion for example.SF font was designed to provide two separate versions depending on the current size set, for fonts smaller than 20 points it used SF Text while fonts at 20 points or higher used SF Display.We’ll also share tips about how to get the most out of systems fonts, support dynamic type with custom fonts.įor a refresher on the principles behind the San Francisco font family, catch up on “Introducing the New System Fonts” from WWDC15. Get up to speed on the latest advancements to the San Francisco font family including the move to variable fonts for accommodating optical sizes and weights. Description: Learn how to achieve exceptional typography in your app’s user interface that enhances legibility, accessibility, and consistency across Apple platforms.

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