gradia: 1.4.3 -> 1.5.0

[Cameo007]

This PR updates Gradia to v1.5.0

Upstream changelog:

- A settings menu with options for the recent screenshots folder, image format, and more.
- A refreshed design for the gradient picker.
- An option to automatically balance the borders of certain images.
- Support for launching with image input from stdin.

Things done

• Built on platform(s)
  • [x] x86_64-linux
  • [ ] aarch64-linux
  • [ ] x86_64-darwin
  • [ ] aarch64-darwin
• For non-Linux: Is sandboxing enabled in nix.conf? (See Nix manual)
  • [ ] sandbox = relaxed
  • [ ] sandbox = true
• [ ] Tested, as applicable:
  • NixOS test(s) (look inside nixos/tests)
  • and/or package tests
  • or, for functions and "core" functionality, tests in lib/tests or pkgs/test
  • made sure NixOS tests are linked to the relevant packages
• [ ] Tested compilation of all packages that depend on this change using nix-shell -p nixpkgs-review --run "nixpkgs-review rev HEAD". Note: all changes have to be committed, also see nixpkgs-review usage
• [x] Tested basic functionality of all binary files (usually in ./result/bin/)
• Nixpkgs 25.11 Release Notes (or backporting 24.11 and 25.05 Nixpkgs Release notes)
  • [ ] (Package updates) Added a release notes entry if the change is major or breaking
• NixOS 25.11 Release Notes (or backporting 24.11 and 25.05 NixOS Release notes)
  • [ ] (Module updates) Added a release notes entry if the change is significant
  • [ ] (Module addition) Added a release notes entry if adding a new NixOS module
• [x] Fits CONTRIBUTING.md, pkgs/README.md, maintainers/README.md and other contributing documentation in corresponding paths.

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[Cameo007]

When running, the following logs appear

Error loading preset image /be/alexandervanhee/gradia/images/preset1.avif: gdk-pixbuf-error-quark: Unrecognized image file format (3)
Error loading preset image /be/alexandervanhee/gradia/images/preset2.avif: gdk-pixbuf-error-quark: Unrecognized image file format (3)
Error loading preset image /be/alexandervanhee/gradia/images/preset3.avif: gdk-pixbuf-error-quark: Unrecognized image file format (3)
Error loading preset image /be/alexandervanhee/gradia/images/preset4.avif: gdk-pixbuf-error-quark: Unrecognized image file format (3)
Error loading preset image /be/alexandervanhee/gradia/images/preset5.avif: gdk-pixbuf-error-quark: Unrecognized image file format (3)
Error loading preset image /be/alexandervanhee/gradia/images/preset6.avif: gdk-pixbuf-error-quark: Unrecognized image file format (3)

The preset-chooser is not showing the presets (even if they work; you can select them blindly and they're then applied)

Nixpkgs

Flatpak

[Cameo007]

When running, the following logs appear

Error loading preset image /be/alexandervanhee/gradia/images/preset1.avif: gdk-pixbuf-error-quark: Unrecognized image file format (3)
Error loading preset image /be/alexandervanhee/gradia/images/preset2.avif: gdk-pixbuf-error-quark: Unrecognized image file format (3)
Error loading preset image /be/alexandervanhee/gradia/images/preset3.avif: gdk-pixbuf-error-quark: Unrecognized image file format (3)
Error loading preset image /be/alexandervanhee/gradia/images/preset4.avif: gdk-pixbuf-error-quark: Unrecognized image file format (3)
Error loading preset image /be/alexandervanhee/gradia/images/preset5.avif: gdk-pixbuf-error-quark: Unrecognized image file format (3)
Error loading preset image /be/alexandervanhee/gradia/images/preset6.avif: gdk-pixbuf-error-quark: Unrecognized image file format (3)

The preset-chooser is not showing the presets (even if they work; you can select them blindly and they're then applied)

Nixpkgs

Flatpak

This is fixed now. I looked how other programs set GDK_PIXBUF_MODULE_FILE and adopted tuba's approach.

[Henry-Hiles]

Works well!

[nixpkgs-ci[bot]]

Successfully created backport PR for release-25.05:

• #420932