Rebrand as TPSchedule and refine clear liquid glass dock
This commit is contained in:
@@ -0,0 +1,270 @@
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import 'dart:io';
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import 'dart:typed_data';
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import 'dart:ui' as ui;
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import 'package:flutter/material.dart';
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import 'package:flutter/rendering.dart';
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import 'package:flutter_test/flutter_test.dart';
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import 'package:hepan_everyday/widgets/glass_dock.dart';
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import 'package:hepan_everyday/widgets/glass_refraction.dart';
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void main() {
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testWidgets(
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'glass softens fine background detail without whitening its colour',
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(tester) async {
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final pixels = await _render(
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tester,
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const GlassRefraction(strength: 0.32, child: SizedBox.expand()),
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stripes: true,
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);
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final reds = [for (var x = 110; x < 150; x++) _channel(pixels, x, 34, 0)];
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final contrast =
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reds.reduce((a, b) => a > b ? a : b) -
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reds.reduce((a, b) => a < b ? a : b);
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expect(contrast, lessThan(25));
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expect(_channel(pixels, 132, 34, 0), closeTo(130, 15));
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expect(_channel(pixels, 132, 34, 1), closeTo(120, 15));
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expect(_channel(pixels, 132, 34, 2), closeTo(140, 15));
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expect(_channel(pixels, 132, 34, 3), 255);
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},
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);
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testWidgets(
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'Dock lens preserves the backdrop colour through its neutral tint',
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(tester) async {
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final pixels = await _render(
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tester,
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GlassDock(selectedIndex: 0, onSelected: (_) {}),
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);
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// Below the symbol and away from the rim, the selected lens should retain
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// most of this saturated cyan backdrop instead of painting a grey pill.
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final red = _channel(pixels, 46, 52, 0);
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final green = _channel(pixels, 46, 52, 1);
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final blue = _channel(pixels, 46, 52, 2);
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expect(red, lessThan(50));
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expect(green - red, greaterThan(130));
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expect(blue - red, greaterThan(165));
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},
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);
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testWidgets('Dock base and selected lens both soften the live backdrop', (
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tester,
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) async {
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final pixels = await _render(
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tester,
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GlassDock(selectedIndex: 0, onSelected: (_) {}),
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stripes: true,
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preview: true,
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);
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for (final start in [32, 160]) {
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final reds = [
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for (var x = start; x < start + 20; x++) _channel(pixels, x, 52, 0),
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];
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final contrast =
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reds.reduce((a, b) => a > b ? a : b) -
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reds.reduce((a, b) => a < b ? a : b);
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expect(contrast, lessThan(30), reason: 'background at x=$start');
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}
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});
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testWidgets(
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'Dock keeps larger backdrop details recognizable through its glass',
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(tester) async {
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final pixels = await _render(
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tester,
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GlassDock(selectedIndex: 0, onSelected: (_) {}),
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stripes: true,
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stripeWidth: 12,
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preview: true,
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);
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for (final start in [24, 160]) {
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final reds = [
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for (var x = start; x < start + 40; x++) _channel(pixels, x, 52, 0),
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];
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final contrast =
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reds.reduce((a, b) => a > b ? a : b) -
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reds.reduce((a, b) => a < b ? a : b);
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// The original stripes have 180 levels of contrast. Both the base and
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// selected lens retain over half, keeping these larger shapes readable.
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expect(contrast, greaterThan(90), reason: 'background at x=$start');
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}
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},
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);
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testWidgets(
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'composed diffusion keeps edge refraction aligned when glass moves',
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(tester) async {
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final plain = await _render(
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tester,
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const GlassRefraction(strength: 0, child: SizedBox.expand()),
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gradient: true,
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);
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final refracted = await _render(
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tester,
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const GlassRefraction(strength: 1, child: SizedBox.expand()),
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gradient: true,
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);
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final translated = await _render(
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tester,
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const GlassRefraction(strength: 1, child: SizedBox.expand()),
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gradient: true,
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offset: const Offset(23, -37),
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);
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expect(
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(_channel(refracted, 15, 34, 0) - _channel(plain, 15, 34, 0)).abs(),
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greaterThan(3),
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);
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expect(
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_channel(refracted, 132, 34, 0),
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closeTo(_channel(plain, 132, 34, 0), 2),
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);
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for (final x in [15, 132, 248]) {
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expect(
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_channel(translated, x, 34, 0),
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closeTo(_channel(refracted, x, 34, 0), 2),
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);
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}
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},
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skip: !ui.ImageFilter.isShaderFilterSupported,
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);
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}
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int _channel(ByteData pixels, int x, int y, int channel) =>
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pixels.getUint8((y * 264 + x) * 4 + channel);
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Future<ByteData> _render(
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WidgetTester tester,
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Widget glass, {
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bool stripes = false,
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double stripeWidth = 2,
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bool gradient = false,
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bool preview = false,
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Offset offset = Offset.zero,
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}) async {
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tester.view.physicalSize = const Size(800, 600);
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tester.view.devicePixelRatio = 1;
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addTearDown(tester.view.resetPhysicalSize);
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addTearDown(tester.view.resetDevicePixelRatio);
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final key = GlobalKey(), glassKey = GlobalKey();
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await tester.pumpWidget(
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RepaintBoundary(
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key: key,
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child: MaterialApp(
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home: Center(
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child: Transform.translate(
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offset: offset,
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child: SizedBox(
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key: glassKey,
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width: 264,
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height: 68,
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child: Stack(
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children: [
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Positioned.fill(
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child: CustomPaint(
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painter: _Backdrop(stripes, gradient, stripeWidth),
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),
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),
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Positioned.fill(child: glass),
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],
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),
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),
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),
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),
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),
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),
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);
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if (ui.ImageFilter.isShaderFilterSupported) {
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// Native shader loading completes outside the widget test's fake async zone.
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await tester.runAsync(
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() => ui.FragmentProgram.fromAsset('shaders/liquid_glass.frag'),
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);
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}
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await tester.pumpAndSettle();
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if (ui.ImageFilter.isShaderFilterSupported) {
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expect(find.byType(BackdropFilter), findsNothing);
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}
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return (await tester.runAsync(() async {
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final boundary =
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key.currentContext!.findRenderObject()! as RenderRepaintBoundary;
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final image = await boundary.toImage(pixelRatio: 1);
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final data = (await image.toByteData(format: ui.ImageByteFormat.rawRgba))!;
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final region = tester.getRect(find.byKey(glassKey));
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if (preview && const bool.fromEnvironment('TP_BRAND_PREVIEW')) {
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final recorder = ui.PictureRecorder();
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ui.Canvas(recorder).drawImageRect(
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image,
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region,
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const Rect.fromLTWH(0, 0, 792, 204),
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Paint()..filterQuality = FilterQuality.high,
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);
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final picture = recorder.endRecording();
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final previewImage = await picture.toImage(792, 204);
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final png = (await previewImage.toByteData(
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format: ui.ImageByteFormat.png,
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))!;
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final output = File('../dist/screenshots/glass-frosted-dock.png');
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await output.parent.create(recursive: true);
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await output.writeAsBytes(png.buffer.asUint8List());
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previewImage.dispose();
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picture.dispose();
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}
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final cropped = ByteData(264 * 68 * 4);
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for (var y = 0; y < 68; y++) {
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for (var x = 0; x < 264; x++) {
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final source =
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((region.top.round() + y) * image.width + region.left.round() + x) *
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4;
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for (var channel = 0; channel < 4; channel++) {
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cropped.setUint8(
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(y * 264 + x) * 4 + channel,
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data.getUint8(source + channel),
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);
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}
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}
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}
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image.dispose();
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return cropped;
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}))!;
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}
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class _Backdrop extends CustomPainter {
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const _Backdrop(this.stripes, this.gradient, this.stripeWidth);
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final bool stripes;
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final bool gradient;
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final double stripeWidth;
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@override
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void paint(Canvas canvas, Size size) {
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if (gradient) {
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for (var x = 0; x < size.width; x++) {
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canvas.drawRect(
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Rect.fromLTWH(x.toDouble(), 0, 1, size.height),
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Paint()..color = Color.fromARGB(255, 40 + (x * 0.7).round(), 70, 90),
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);
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}
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return;
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}
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if (!stripes) {
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canvas.drawRect(
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Offset.zero & size,
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Paint()..color = const Color(0xFF14B4E6),
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);
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return;
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}
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for (var x = 0.0; x < size.width; x += stripeWidth) {
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canvas.drawRect(
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Rect.fromLTWH(x, 0, stripeWidth, size.height),
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Paint()
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..color = (x / stripeWidth).round().isEven
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? const Color(0xFFDC3C3C)
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: const Color(0xFF28B4DC),
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);
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}
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}
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@override
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bool shouldRepaint(_Backdrop oldDelegate) =>
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oldDelegate.stripes != stripes ||
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oldDelegate.gradient != gradient ||
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oldDelegate.stripeWidth != stripeWidth;
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}
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