| // 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 'dart:typed_data'; |
| |
| 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); |
| } |
| |
| void testMain() { |
| group('CanvasKit', () { |
| setUpCanvasKitTest(); |
| |
| // Regression test for https://github.com/flutter/flutter/issues/63715 |
| test('TransformLayer prerolls correctly', () async { |
| final CkPicture picture = |
| paintPicture(const ui.Rect.fromLTRB(0, 0, 60, 60), (CkCanvas canvas) { |
| canvas.drawRect(const ui.Rect.fromLTRB(0, 0, 60, 60), |
| CkPaint()..style = ui.PaintingStyle.fill); |
| }); |
| |
| final LayerSceneBuilder sb = LayerSceneBuilder(); |
| sb.pushClipRect(const ui.Rect.fromLTRB(15, 15, 30, 30)); |
| |
| // Intentionally use a perspective transform, which triggered the |
| // https://github.com/flutter/flutter/issues/63715 bug. |
| sb.pushTransform( |
| Float64List.fromList(Matrix4.identity().storage |
| ..[15] = 2, |
| )); |
| |
| sb.addPicture(ui.Offset.zero, picture); |
| final LayerTree layerTree = sb.build().layerTree; |
| CanvasKitRenderer.instance.rasterizer.draw(layerTree); |
| final ClipRectEngineLayer clipRect = layerTree.rootLayer.debugLayers.single as ClipRectEngineLayer; |
| expect(clipRect.paintBounds, const ui.Rect.fromLTRB(15, 15, 30, 30)); |
| |
| final TransformEngineLayer transform = clipRect.debugLayers.single as TransformEngineLayer; |
| expect(transform.paintBounds, const ui.Rect.fromLTRB(0, 0, 30, 30)); |
| }); |
| |
| test('can push a leaf layer without a container layer', () async { |
| final CkPictureRecorder recorder = CkPictureRecorder(); |
| recorder.beginRecording(ui.Rect.zero); |
| LayerSceneBuilder().addPicture(ui.Offset.zero, recorder.endRecording()); |
| }); |
| |
| test('null ViewEmbedder with PlatformView', () async { |
| final LayerSceneBuilder sb = LayerSceneBuilder(); |
| const ui.Rect kDefaultRegion = ui.Rect.fromLTRB(0, 0, 200, 200); |
| await createPlatformView(0, 'test-platform-view'); |
| sb.pushOffset(0, 0); |
| sb.addPlatformView(0, width: 10, height: 10); |
| sb.pushOffset(0, 0); |
| final LayerScene layerScene = sb.build(); |
| final ui.Image testImage = await layerScene.toImage(100, 100); |
| |
| final CkPictureRecorder recorder = CkPictureRecorder(); |
| final CkCanvas canvas = recorder.beginRecording(kDefaultRegion); |
| canvas.drawImage(testImage as CkImage, ui.Offset.zero, CkPaint()); |
| await matchPictureGolden( |
| 'canvaskit_picture.png', |
| recorder.endRecording(), |
| region: kDefaultRegion, |
| ); |
| }); |
| |
| test('ImageFilter layer applies matrix in preroll', () async { |
| final CkPicture picture = |
| paintPicture(const ui.Rect.fromLTRB(0, 0, 100, 100), (CkCanvas canvas) { |
| canvas.drawRect(const ui.Rect.fromLTRB(0, 0, 100, 100), |
| CkPaint()..style = ui.PaintingStyle.fill); |
| }); |
| |
| final LayerSceneBuilder sb = LayerSceneBuilder(); |
| sb.pushImageFilter( |
| ui.ImageFilter.matrix( |
| ( |
| Matrix4.identity() |
| ..scale(0.5, 0.5) |
| ..translate(20) |
| ).toFloat64(), |
| ), |
| ); |
| sb.addPicture(ui.Offset.zero, picture); |
| |
| final LayerTree layerTree = sb.build().layerTree; |
| CanvasKitRenderer.instance.rasterizer.draw(layerTree); |
| |
| final ImageFilterEngineLayer imageFilterLayer = layerTree.rootLayer.debugLayers.single as ImageFilterEngineLayer; |
| expect(imageFilterLayer.paintBounds, const ui.Rect.fromLTRB(10, 0, 60, 50)); |
| }); |
| }); |
| } |