First Commit

3rdparty/kddockwidgets/tests/flutter/lib/utils.dart

@@ -0,0 +1,40 @@
+/*
+  This file is part of KDDockWidgets.
+
+  SPDX-FileCopyrightText: 2024 Klarälvdalens Datakonsult AB, a KDAB Group company <info@kdab.com>
+  Author: Sérgio Martins <sergio.martins@kdab.com>
+
+  SPDX-License-Identifier: GPL-2.0-only OR GPL-3.0-only
+
+  Contact KDAB at <info@kdab.com> for commercial licensing options.
+*/
+
+import 'dart:io';
+import 'dart:ui';
+
+import 'package:flutter/material.dart';
+import 'package:flutter/rendering.dart';
+import 'package:flutter_test/flutter_test.dart';
+
+Map<String, int> _s_count = {};
+
+String _screenshotDirectory() {
+  return '${Directory(Platform.script.toFilePath()).parent.path}/../reference-images/images/flutter';
+}
+
+Future<void> saveScreenShot(WidgetTester tester,
+    {required String prefix}) async {
+  final renderObject = tester.firstRenderObject(find.byType(RepaintBoundary));
+  final image =
+      await (renderObject as RenderRepaintBoundary).toImage(pixelRatio: 2);
+
+  final byteDataFuture = image.toByteData(format: ImageByteFormat.png);
+  final byteData = await byteDataFuture;
+  final buffer = byteData!.buffer.asUint8List();
+
+  _s_count[prefix] = (_s_count[prefix] ?? 0) + 1;
+
+  final file =
+      File('${_screenshotDirectory()}/${prefix}_${_s_count[prefix]}.png');
+  file.writeAsBytesSync(buffer);
+}