// Copyright 2015 The Chromium 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:ui' as ui; import 'dart:ui' show Rect, Color, Paint; import 'package:test/test.dart'; import 'package:vector_math/vector_math_64.dart'; void main() { ui.PictureRecorder recorder = new ui.PictureRecorder(); ui.Canvas canvas = new ui.Canvas(recorder, new Rect.fromLTRB(0.0, 0.0, 100.0, 100.0)); test("matrix access should work", () { // Matrix equality doesn't work! // https://github.com/google/vector_math.dart/issues/147 expect(canvas.getTotalMatrix(), equals(new Matrix4.identity().storage)); Matrix4 matrix = new Matrix4.identity(); // Round-tripping through getTotalMatrix will lose the z value // So only scale to 1x in the z direction. matrix.scale(2.0, 2.0, 1.0); canvas.setMatrix(matrix.storage); canvas.drawPaint(new Paint()..color = const Color(0xFF00FF00)); expect(canvas.getTotalMatrix(), equals(matrix.storage)); }); }