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Vrmac
Vrmac Graphics, a cross-platform graphics library for .NET. Supports 3D, 2D, and accelerated video playback. Works on Windows 10 and Raspberry Pi4.
Agree about TGA, it is trivially easy to write. Example in C# for grayscale version, a single page of code: https://github.com/Const-me/Vrmac/blob/1.2/VrmacInterop/Util...
BMP is more complicated, unfortunately. The header structure is more complex. And then there’s a requirement for rows to be 4-bytes aligned, might need to insert padding bytes between the rows.
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SurveyJS
Open-Source JSON Form Builder to Create Dynamic Forms Right in Your App. With SurveyJS form UI libraries, you can build and style forms in a fully-integrated drag & drop form builder, render them in your JS app, and store form submission data in any backend, inc. PHP, ASP.NET Core, and Node.js.
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There was also an update to it called FUIF - Free Universal Image Format
https://github.com/cloudinary/fuif
But it too got superseded by JPEG XL (.jxl) https://jpegxl.info/
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qrcode-png
Create QR code PNG files! This module has a custom built PNG encoder for QR codes to make them tinier than the competition, and works *fast* in both the browser and Node. It has a light dependency tree.
This article has some... interesting entries (as noted elsewhere in the comments here), but it came up at an interesting moment for me. I spent last weekend poring over the PNG spec because I wanted to make QR codes real small [1]. I'm completely obsessed now. I'm going to dig into some other formats...
[1]: https://github.com/qubyte/qrcode-png/blob/main/index.js#L6-L...
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