62 lines
2.4 KiB
Dart
62 lines
2.4 KiB
Dart
// test/tool/generate_brand_assets_test.dart
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import 'dart:io';
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import 'dart:ui';
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import 'package:block_seasons/ui/branding/app_icon_painter.dart';
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import 'package:block_seasons/ui/branding/feature_graphic_painter.dart';
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import 'package:flutter_test/flutter_test.dart';
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Future<void> _writePng(String path, int size, void Function(Canvas) draw) async {
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final recorder = PictureRecorder();
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final canvas = Canvas(recorder);
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draw(canvas);
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final picture = recorder.endRecording();
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final image = await picture.toImage(size, size);
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final bytes = await image.toByteData(format: ImageByteFormat.png);
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File(path).parent.createSync(recursive: true);
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File(path).writeAsBytesSync(bytes!.buffer.asUint8List());
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}
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void main() {
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testWidgets('generate launcher icon PNGs', (tester) async {
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const s = 1024;
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final full = Rect.fromLTWH(0, 0, s.toDouble(), s.toDouble());
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await tester.runAsync(() async {
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// Master (iOS + fallback): opaque navy + blocks at 60%.
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await _writePng('assets/icon/icon.png', s, (c) {
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AppIconMark.paintBackground(c, full);
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AppIconMark.paintBlocks(c, s.toDouble(), groupFraction: 0.6);
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});
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// Adaptive background: navy only.
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await _writePng('assets/icon/icon_background.png', s, (c) {
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AppIconMark.paintBackground(c, full);
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});
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// Adaptive foreground: blocks only (transparent), 52% for the safe zone.
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await _writePng('assets/icon/icon_foreground.png', s, (c) {
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AppIconMark.paintBlocks(c, s.toDouble(), groupFraction: 0.52);
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});
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});
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for (final f in ['icon.png', 'icon_background.png', 'icon_foreground.png']) {
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expect(File('assets/icon/$f').existsSync(), isTrue, reason: f);
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}
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});
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testWidgets('generate feature graphic', (tester) async {
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await tester.runAsync(() async {
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const w = 1024, h = 500;
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final recorder = PictureRecorder();
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final canvas = Canvas(recorder);
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FeatureGraphic.paint(canvas, const Size(1024, 500));
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final picture = recorder.endRecording();
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final image = await picture.toImage(w, h);
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final bytes = await image.toByteData(format: ImageByteFormat.png);
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File('docs/store/feature_graphic.png').parent.createSync(recursive: true);
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File('docs/store/feature_graphic.png')
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.writeAsBytesSync(bytes!.buffer.asUint8List());
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});
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expect(File('docs/store/feature_graphic.png').existsSync(), isTrue);
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});
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}
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