SVG

Glue Cross-Browser Responsive Irregular Images with Sticky Tape

I recently came across this Atlas of Makers by Vasilis van Gemert. Its fun and quirky appearance made me look under the hood and it was certainly worth it! What I discovered is that it was actually built making use of really cool features that so many articles and talks have been written about over the past few years, but somehow don't get used that much in the wild - the likes of CSS Grid, custom properties, blend modes, and even SVG.

SVG was used in order to create the irregular images that appear as if they were glued onto the page with the pieces of neon sticky tape. This article is going to explain how to recreate that in the simplest possible manner, without ever needing to step outside the browser. Let's get started!

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Text Lock-Up

<svg viewBox="0 0 100 100">
  <text>
    <tspan class="line-1" textLength="100" x="0" y="1em" font-size="20">
      The Cat
    </tspan>
    <tspan class="line-2" textLength="100" x="0" dy="0.9em" font-size="20" lengthAdjust="spacingAndGlyphs">
      in the
    </tspan>
    <tspan class="line-3" textLength="100" x="0" dy="0.9em" font-size="35">
      Hat
    </tspan>
  </text>
</svg>

SVG offers the <tspan></tspan> tag. While it functions a lot like a normal <span></span> in HTML, it accepts attributes that unlock powerful text-shaping capabilities.

One of those attributes is textLength. If we set this to 100, then the text wrapped in <tspan></tspan> will be forced to the full length of the SVG container.

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Snap Animation States

There are many ways to make icons for a website. Inline SVG is scalable, easy to modify with CSS, and can even be animated. If you're interested in learning more about the merits of using inline SVG, I recommend reading Inline SVG vs Icon Fonts. With ever increasing browser support, there's never been a better time to start working with SVGs. Snap Animation States is a JavaScript plugin built around Snap.svg to help create and extend icon libraries with scaleable, editable SVG icons. Snap Animation States makes it easy to load and animate those SVGs with a simple schema.

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Shape Morphing Icons in Button on Click

The idea here is use an SVG icon in a button and swap that icon out for another when the button is clicked. A button click often suggests an action has been taken, so switching icons can be a nice UI touch to show the change in context and confirm that the action has happened.

A possible use case could be a download button. The icon in the button might initially indicate that the button will trigger a download but change to a checkmark when the button has been clicked.

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Adobe Illustrator Export Options

This is less of a snippet and more of a reminder for something I look up often. When creating SVG files in Adobe Illustrator, there are a couple of different methods for exporting the files. Both methods include a handful of options, some of which I totally forget what they mean and what to select.

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SVG Patterns

The SVG <pattern></pattern> attribute allows us to define patterns inside of our SVG markup and use those patterns as a fill. The basic process for patterns goes something like:

  • Define a <pattern></pattern> inside of the SVG
  • Define the shapes inside of the pattern
  • Use the shapes
  • Create a new shape and fill it with the pattern

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The Many Tools for Shape Morphing

To no one's surprise, I'm sure, there are lots of different ways to do the same thing on the web. Shape morphing, being a thing on the web, is no different. There are some native technologies, some libraries that leverage those, and some libraries that do things all on their own. Let's look at some of the options (with demos) and weigh the advantages and disadvantages.

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Sketch Now Replicates Inside & Outside Stroke Alignment

I was just bemoaning strokes the other week:

And that's the trouble with text-stroke in CSS: you have no choice. It's center-aligned stroke only. Either of the other options [outside-aligned or inside-aligned], arguably, would have been more useful.

There still is no solution for text-stroke, but SVG has the exact same problem. It's not quite as design-ruining with SVG, since you can (and designers have been) design with center aligned strokes in mind with their vector art. Still, I'd say if we had stroke-align: [center, outside, inside]; we'd be better off.

Peter Nowell documents how Sketch now repositions the points of your shapes to replicate the different stroke alignments, if you explicitly chose those options in Sketch. Pretty useful! Since native SVG still only does center alignment, that would mean changing the stroke width after exporting would still be weird, but I suppose that's fairly rare.

The article notes how SVG 2 accommodates for aligned strokes, but that still feels a bit up in the air.

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