Variable Fonts & the New Google Fonts API

rwt.io rwt.io3 years ago in #Typography Love299

While I was at ATypI Tokyo a couple weeks ago, Google had some big announcements (I covered those a bit last week). The new version of their API was particularly great to hear, as this marks the first support for using variable fonts on their platform. It’s a small set of typefaces, but there is some nice variety and what they have is really well done. There are 10 typefaces in all, with a selection of serifs, sans, rounded, slab, and monospace. Two of the serifs have italics as well, making them an interesting experiment for body copy usage. I created an example page that we played around with a bit in my workshop last week, and included it live in my talk, both at Web Unleashed in Toronto. A sample page on CodePen loading Hepta Slab and Crimson Pro as variable fonts from Google Fonts’ new API I’ve now created a demo on CodePen as well, and will walk through the setup here with a few examples. As the launch announcement page states, the syntax is pretty strict, but it didn’t take long to get up and running with it, and now it’s feeling pretty snappy. Here are all the different variable fonts you can play with for now In going through the announcement it’s clear that this will eventually be how all the fonts are served, not just specifically variable fonts. You can still request a single weight of a font, like so: https://fonts.googleapis.com/css2?family=Roboto:wght@700 You can see that the font-family attribute/value pair is the same, but the way you specify weight and italic is a little different. Here’s the current syntax: /css?family=Roboto:700 You’ll note that whereas the original syntax just expected a weight value (in this case 700) after the family name, now you’re specifying ‘wght’ and supplying a value. This is so when requisition a variable font, it’s now possible to specify an axis (or more than one), and then supply a second set of values after the ‘@’ sign. Multiple weights can be requested too: /css2?family=Roboto:wght@400;700 Note that the weight values are listed after the ‘@’ sign separated by semicolons. If you wanted to add italics, you have to specify each combination: /css2?family=Roboto:ital,wght@0,100;1,100;1,700 This will get you Italic and weight combinations of ‘upright 100’, ‘Italic 100’, and ‘Italic 700’. Now for the variable fonts. To get Crimson Pro with a weight axis (with a range of 200 to 900), you would request it like this: /css2?family=Crimson+Pro:wght@200..900 Note that this time the values after the ‘@’ sign are separated by ‘..’ which indicates that this is a range, not two separate values. When requesting Italics as well as upright, you have to indicate the axes and ranges requested for each: /css2?family=Crimson+Pro:ital,wght@0,200..900;1,200..900 Or just Italics with weight range: /css2?family=Crimson+Pro:ital,wght@1,200..900 You can either link to the request from the ‘head’ of your HTML page, or ‘@import’ from within your CSS. The whole thing looks like this: <link href=”https://fonts.googleapis.com/css2?family=Crimson+Pro:ital,wght@0,200..900;1,200..900&display=swap” rel=”stylesheet”> Or: @import url(‘https://fonts.googleapis.com/css2?family=Crimson+Pro:ital,wght@ 0,200..900;1,200..900&display=swap’); You can then work with the fonts just as you would if you were self-hosting, and be confident that the family grouping will be working properly as well. p { font-family: ‘Crimson Pro’, Georgia, serif; font-weight: 350; } Thus, with the code above any text in a paragraph would be set in Crimson Pro, and bold would be properly bold, and Italic actual Italics. The sample page shows a nice range of weights in the Hepta Slab-set headings, and regular and a slightly bolded italic in Crimson Pro Have a play around with the demo, and try swapping in some of the other fonts they have…

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