cdc2aefc69
We need to apply the alignment to the source rect because the ouput rect fills the destination rect. Fixes #1514
50 lines
1.3 KiB
Dart
50 lines
1.3 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 'package:flutter/painting.dart';
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import 'package:test/test.dart';
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class TestImage implements ui.Image {
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TestImage({ this.width, this.height });
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final int width;
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final int height;
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void dispose() { }
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}
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class TestCanvas implements Canvas {
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final List<Invocation> invocations = <Invocation>[];
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void noSuchMethod(Invocation invocation) {
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invocations.add(invocation);
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}
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}
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void main() {
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test("Cover and align", () {
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TestImage image = new TestImage(width: 300, height: 300);
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TestCanvas canvas = new TestCanvas();
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paintImage(
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canvas: canvas,
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rect: new Rect.fromLTWH(50.0, 75.0, 200.0, 100.0),
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image: image,
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fit: ImageFit.cover,
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alignment: new FractionalOffset(0.0, 0.5)
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);
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Invocation command = canvas.invocations.firstWhere((Invocation invocation) {
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return invocation.memberName == #drawImageRect;
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});
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expect(command, isNotNull);
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expect(command.positionalArguments[0], equals(image));
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expect(command.positionalArguments[1], equals(new Rect.fromLTWH(0.0, 75.0, 300.0, 150.0)));
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expect(command.positionalArguments[2], equals(new Rect.fromLTWH(50.0, 75.0, 200.0, 100.0)));
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});
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}
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