Rich text - the justification calculation
If you are laying out text then you will need to justify it. But what's the algorithm? Lets take a look...
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This is a tech blog for the JavaScript Konva 2D canvas library. There's over 70 posts pitched for beginners, experts, and experienced developers covering concepts, how-tos, techniques, practices, experiences and opinions.
Most posts are members-only - it's free to sign up and I'll never pass on your contacts so join in and see whats on the other side of the wall - it'll be worth it.
Most posts are members-only - it's free to sign up and I'll never pass on your contacts so join in and see whats on the other side of the wall - it'll be worth it.
TypeScript - Types from arrays
I found a frustration in the act of making arrays of acceptable values to use in input validation for closed lists when I'd already defined the same when setting the types. Could I find a way to set up the array once and use for both needs?
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Konva - drawing arrows on a path
Ever needed to put a direction of flow indicator on some connector line? In this post I explain a simple approach to get that done.
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Konva - text and web-fonts, use a font loader
The font loading process is a stumbling block for folks new to using web-fonts in conjunction with Konva.Text and in the canvas. In this short post I'll explain what the problem is, how to solve it, and provide links to sample code. Read on...
![JavaScript - my develop, build bundler setup with TypeScript & Vite [Part #2]](/content/images/size/w768/2024/09/compressed_cans.jpg)
JavaScript - my develop, build bundler setup with TypeScript & Vite [Part #2]
In part #1 I talked about setting up a Vite project from VSCode. That's only half the job because sooner or later you'll need to share what you made, and maybe one day even make it live. And let's not overlook testing.
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![JavaScript - my develop, build
bundler setup with TypeScript & Vite [Part #1]](/content/images/size/w768/2024/09/clean_cans.jpg)
JavaScript - my develop, build bundler setup with TypeScript & Vite [Part #1]
When I moved over to TypeScript I could see the benefits but the code-transpile-test loop was way to slow, and I found a whole new world of pain in the form of bundlers. That was before I found Vite - since then my productivity is up and my frustration down. Here's why...
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Konva - How to edit and save points on a line or polygon
Editing line points or vertices of a polygon is a recurring question I see in the Konva Discord. It gets tricky when the line or its parents are affected by transforms. Here's how to make a bulletproof solution that handles that.
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Konva - Relativity and why your shapes aren't where you expect
We are often required to position shapes relative to each other - maybe circles mark points on a line - but then you move one of the shapes and update the others position but it doesn't make sense. The answer is relativity!
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