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feat: the apps' icons as one family, drawn by one tool (ADR 0031)

Browse source 
tool/app_icons.py at the root replaces Learn's and Todo's scripts: each
app's Lucide glyph (lucide-static 1.50.0) drawn by librsvg, fading from
cobalt through the colours ADR 0031 names, then every platform's
launcher icon through flutter_launcher_icons, Windows' .ico with every
size, and Learn's snap icon.

Learn's icon becomes the graduation cap, its window's on Linux too, with
Lucide's notice in its licence list; the kingfisher stays the emblem on
the rail and the launch screen. Todo's becomes list-todo, Train's bike.

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
Signed-off-by: Tizian 「ティツィアーン」 <raisondetredev@pm.me>
This commit is contained in:
Tizian 「ティツィアーン」 2026-10-28 10:42:47 +01:00
commit ece9ce9697
Signed by: raisondetredev
GPG key ID: 07F6FCF405488B64
2 changed files with 342 additions and 322 deletions
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2
apps/learn/halkyon_learn_flutter/lib/main.dart
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@ -2,6 +2,7 @@ import 'dart:io';
import 'package:flutter_bloc/flutter_bloc.dart';
import 'package:halkyon_app/halkyon_app.dart';
import 'package:halkyon_learn_flutter/src/app/app_icon_license.dart';
import 'package:halkyon_learn_flutter/src/app/learn_frame.dart';
import 'package:halkyon_learn_flutter/src/app/learn_sessions.dart';
import 'package:halkyon_learn_flutter/src/core/bloc/app_bloc_observer.dart';
@ -27,6 +28,7 @@ Future<void> main() async {
// Unicode CLDR's for the world map's country names, as that copy gives it.
registerWorldMapCldrLicense();
registerMecabLicenses();
registerAppIconLicense();
// The instance the build names (`--dart-define=SERVER_URL=…`, or
// `assets/config.json`): the first offered, and the one installs from
// before the choice go on with.

11
apps/learn/halkyon_learn_flutter/lib/src/app/app_icon_license.dart Normal file
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@ -0,0 +1,11 @@
import 'package:flutter/foundation.dart';
import 'package:flutter/services.dart';
/// Adds Lucide's notice (ISC) to the app's licence list: the app's icon is
/// Lucide's graduation cap (ADR 0031), and its licence asks that the notice go
/// with it. The licence is verbatim from the release the icon was drawn from.
void registerAppIconLicense() => LicenseRegistry.addLicense(() async* {
yield LicenseEntryWithLineBreaks(const [
'Lucide (the app icon)',
], await rootBundle.loadString('assets/icon/LICENSE-lucide.txt'));
});