30 lines
1.0 KiB
Dart
30 lines
1.0 KiB
Dart
// Copyright 2015 The Chromium Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style license that can be
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// found in the LICENSE file.
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import 'dart:ui' as ui;
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import 'dart:ui' show Rect, Color, Paint;
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import 'package:test/test.dart';
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import 'package:vector_math/vector_math_64.dart';
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void main() {
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ui.PictureRecorder recorder = new ui.PictureRecorder();
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ui.Canvas canvas = new ui.Canvas(recorder, new Rect.fromLTRB(0.0, 0.0, 100.0, 100.0));
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test("matrix access should work", () {
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// Matrix equality doesn't work!
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// https://github.com/google/vector_math.dart/issues/147
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expect(canvas.getTotalMatrix(), equals(new Matrix4.identity().storage));
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Matrix4 matrix = new Matrix4.identity();
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// Round-tripping through getTotalMatrix will lose the z value
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// So only scale to 1x in the z direction.
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matrix.scale(2.0, 2.0, 1.0);
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canvas.setMatrix(matrix.storage);
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canvas.drawPaint(new Paint()..color = const Color(0xFF00FF00));
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expect(canvas.getTotalMatrix(), equals(matrix.storage));
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});
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}
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