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GNOME: Bolt, GTK and Rust, GNOME Image Viewer

Submitted by Roy Schestowitz on Tuesday 9th of July 2019 03:47:24 AM Filed under
GNOME
  • Bolt 0.8 update

    Christian recently released bolt 0.8, which includes IOMMU support. The Ubuntu security team seemed eager to see that new feature available so I took some time this week to do the update.

  • Gtk-rs tutorial

    Leonora Tindall has written a very nice tutorial on Speedy Desktop Apps With GTK and Rust. It covers prototyping a dice roller app with Glade, writing the code with Rust and the gtk-rs bindings, and integrating the app into the desktop with a .desktop file.

  • Battle of the Bilerps: Image Scaling on the CPU

    I’ve been on a quest for better bilerps lately. “Bilerp” is, of course, a contraction of “bilinear interpolation“, and it’s how you scale pictures when you’re in a hurry. The GNOME Image Viewer (née Eye of GNOME) and ImageMagick have both offered somewhat disappointing experiences in that regard; the former often pauses noticeably between the initial nearest-neighbor and eventual non-awful scaled images, but way more importantly, the latter is too slow to scale animation frames in Chafa.

    So, how fast can CPU image scaling be? I went looking, and managed to produce some benchmarks — and! — code. Keep reading.

»

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