| // Copyright 2013 The Flutter Authors. All rights reserved. |
| // Use of this source code is governed by a BSD-style license that can be |
| // found in the LICENSE file. |
| import 'package:test/bootstrap/browser.dart'; |
| import 'package:test/test.dart'; |
| import 'package:ui/src/engine.dart'; |
| import 'package:ui/ui.dart' as ui; |
| |
| import 'common.dart'; |
| |
| void main() { |
| internalBootstrapBrowserTest(() => testMain); |
| } |
| |
| const ui.Rect region = ui.Rect.fromLTRB(0, 0, 500, 250); |
| |
| /// Test that we can render even if `createImageBitmap` is not supported. |
| void testMain() { |
| group('CanvasKit', () { |
| setUpCanvasKitTest(withImplicitView: true); |
| setUp(() async { |
| EngineFlutterDisplay.instance.debugOverrideDevicePixelRatio(1.0); |
| }); |
| |
| tearDown(() { |
| debugDisableCreateImageBitmapSupport = false; |
| debugIsChrome110OrOlder = null; |
| }); |
| |
| test('can render without createImageBitmap', () async { |
| debugDisableCreateImageBitmapSupport = true; |
| |
| expect(browserSupportsCreateImageBitmap, isFalse); |
| |
| final CkPictureRecorder recorder = CkPictureRecorder(); |
| final CkCanvas canvas = recorder.beginRecording(region); |
| |
| final CkGradientLinear gradient = CkGradientLinear( |
| ui.Offset(region.left + region.width / 4, region.height / 2), |
| ui.Offset(region.right - region.width / 8, region.height / 2), |
| const <ui.Color>[ |
| ui.Color(0xFF4285F4), |
| ui.Color(0xFF34A853), |
| ui.Color(0xFFFBBC05), |
| ui.Color(0xFFEA4335), |
| ui.Color(0xFF4285F4), |
| ], |
| const <double>[ |
| 0.0, |
| 0.25, |
| 0.5, |
| 0.75, |
| 1.0, |
| ], |
| ui.TileMode.clamp, |
| null); |
| |
| final CkPaint paint = CkPaint()..shader = gradient; |
| |
| canvas.drawRect(region, paint); |
| |
| await matchPictureGolden( |
| 'canvaskit_linear_gradient_no_create_image_bitmap.png', |
| recorder.endRecording(), |
| region: region, |
| ); |
| }); |
| |
| test( |
| 'createImageBitmap support is disabled on ' |
| 'Windows on Chrome version 110 or older', () async { |
| debugIsChrome110OrOlder = true; |
| debugDisableCreateImageBitmapSupport = false; |
| |
| expect(browserSupportsCreateImageBitmap, isFalse); |
| }); |
| }); |
| } |