Unverified Commit 3a181e49 authored by Hans Muller's avatar Hans Muller Committed by GitHub

Added LinearBorder, an OutlinedBorder like BoxBorder (#116940)

parent fb1a1510
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// Copyright 2014 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:flutter/material.dart';
import 'package:flutter_api_samples/painting/linear_border/linear_border.0.dart' as example;
import 'package:flutter_test/flutter_test.dart';
void main() {
testWidgets('Smoke Test', (WidgetTester tester) async {
await tester.pumpWidget(
const example.ExampleApp(),
);
expect(find.byType(example.Home), findsOneWidget);
// Scroll the interpolation example into view
await tester.scrollUntilVisible(
find.byIcon(Icons.play_arrow),
500.0,
scrollable: find.byType(Scrollable),
);
expect(find.byIcon(Icons.play_arrow), findsOneWidget);
// Run the interpolation example
await tester.tap(find.byIcon(Icons.play_arrow));
await tester.pumpAndSettle();
await tester.tap(find.byIcon(Icons.play_arrow));
await tester.pumpAndSettle();
final TestGesture gesture = await tester.startGesture(tester.getCenter(find.text('Interpolation')));
await gesture.moveTo(tester.getCenter(find.text('Hover')));
await tester.pumpAndSettle();
await gesture.moveTo(tester.getCenter(find.text('Interpolation')));
await tester.pumpAndSettle();
});
}
...@@ -47,6 +47,7 @@ export 'src/painting/image_provider.dart'; ...@@ -47,6 +47,7 @@ export 'src/painting/image_provider.dart';
export 'src/painting/image_resolution.dart'; export 'src/painting/image_resolution.dart';
export 'src/painting/image_stream.dart'; export 'src/painting/image_stream.dart';
export 'src/painting/inline_span.dart'; export 'src/painting/inline_span.dart';
export 'src/painting/linear_border.dart';
export 'src/painting/matrix_utils.dart'; export 'src/painting/matrix_utils.dart';
export 'src/painting/notched_shapes.dart'; export 'src/painting/notched_shapes.dart';
export 'src/painting/oval_border.dart'; export 'src/painting/oval_border.dart';
......
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// Copyright 2014 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:flutter/painting.dart';
import 'package:flutter_test/flutter_test.dart';
import '../rendering/mock_canvas.dart';
const Rect canvasRect = Rect.fromLTWH(0, 0, 100, 100);
const BorderSide borderSide = BorderSide(width: 4, color: Color(0x0f00ff00));
// Test points for rectangular filled paths based on a BorderSide with width 4 and
// a 100x100 bounding rectangle (canvasRect).
List<Offset> rectIncludes(Rect r) {
return <Offset>[r.topLeft, r.topRight, r.bottomLeft, r.bottomRight, r.center];
}
final List<Offset> leftRectIncludes = rectIncludes(const Rect.fromLTWH(0, 0, 4, 100));
final List<Offset> rightRectIncludes = rectIncludes(const Rect.fromLTWH(96, 0, 4, 100));
final List<Offset> topRectIncludes = rectIncludes(const Rect.fromLTWH(0, 0, 100, 4));
final List<Offset> bottomRectIncludes = rectIncludes(const Rect.fromLTWH(0, 96, 100, 4));
void main() {
test('LinearBorderEdge defaults', () {
expect(const LinearBorderEdge().size, 1);
expect(const LinearBorderEdge().alignment, 0);
});
test('LinearBorder defaults', () {
void expectEmptyBorder(LinearBorder border) {
expect(border.side, BorderSide.none);
expect(border.dimensions, EdgeInsets.zero);
expect(border.preferPaintInterior, false);
expect(border.start, null);
expect(border.end, null);
expect(border.top, null);
expect(border.bottom, null);
}
expectEmptyBorder(LinearBorder.none);
expect(LinearBorder.start().side, BorderSide.none);
expect(LinearBorder.start().start, const LinearBorderEdge());
expect(LinearBorder.start().end, null);
expect(LinearBorder.start().top, null);
expect(LinearBorder.start().bottom, null);
expect(LinearBorder.end().side, BorderSide.none);
expect(LinearBorder.end().start, null);
expect(LinearBorder.end().end, const LinearBorderEdge());
expect(LinearBorder.end().top, null);
expect(LinearBorder.end().bottom, null);
expect(LinearBorder.top().side, BorderSide.none);
expect(LinearBorder.top().start, null);
expect(LinearBorder.top().end, null);
expect(LinearBorder.top().top, const LinearBorderEdge());
expect(LinearBorder.top().bottom, null);
expect(LinearBorder.bottom().side, BorderSide.none);
expect(LinearBorder.bottom().start, null);
expect(LinearBorder.bottom().end, null);
expect(LinearBorder.bottom().top, null);
expect(LinearBorder.bottom().bottom, const LinearBorderEdge());
});
test('LinearBorder copyWith, ==, hashCode', () {
expect(LinearBorder.none, LinearBorder.none.copyWith());
expect(LinearBorder.none.hashCode, LinearBorder.none.copyWith().hashCode);
const BorderSide side = BorderSide(width: 10.0, color: Color(0xff123456));
expect(LinearBorder.none.copyWith(side: side), const LinearBorder(side: side));
});
test('LinearBorderEdge, LinearBorder toString()', () {
expect(const LinearBorderEdge(size: 0.5, alignment: -0.5).toString(), 'LinearBorderEdge(size: 0.5, alignment: -0.5)');
expect(LinearBorder.none.toString(), 'LinearBorder.none');
const BorderSide side = BorderSide(width: 10.0, color: Color(0xff123456));
expect(const LinearBorder(side: side).toString(), 'LinearBorder(side: BorderSide(color: Color(0xff123456), width: 10.0))');
expect(
const LinearBorder(
side: side,
start: LinearBorderEdge(size: 0, alignment: -0.75),
end: LinearBorderEdge(size: 0.25, alignment: -0.5),
top: LinearBorderEdge(size: 0.5, alignment: 0.5),
bottom: LinearBorderEdge(size: 0.75, alignment: 0.75),
).toString(),
'LinearBorder('
'side: BorderSide(color: Color(0xff123456), width: 10.0), '
'start: LinearBorderEdge(size: 0.0, alignment: -0.75), '
'end: LinearBorderEdge(size: 0.25, alignment: -0.5), '
'top: LinearBorderEdge(size: 0.5, alignment: 0.5), '
'bottom: LinearBorderEdge(size: 0.75, alignment: 0.75))',
);
},
skip: isBrowser, // [intended] see https://github.com/flutter/flutter/issues/118207
);
test('LinearBorder.start()', () {
final LinearBorder border = LinearBorder.start(side: borderSide);
expect(
(Canvas canvas) => border.paint(canvas, canvasRect, textDirection: TextDirection.ltr),
paints
..path(
includes: leftRectIncludes,
excludes: rightRectIncludes,
color: borderSide.color,
),
);
expect(
(Canvas canvas) => border.paint(canvas, canvasRect, textDirection: TextDirection.rtl),
paints
..path(
includes: rightRectIncludes,
excludes: leftRectIncludes,
color: borderSide.color,
),
);
});
test('LinearBorder.end()', () {
final LinearBorder border = LinearBorder.end(side: borderSide);
expect(
(Canvas canvas) => border.paint(canvas, canvasRect, textDirection: TextDirection.ltr),
paints
..path(
includes: rightRectIncludes,
excludes: leftRectIncludes,
color: borderSide.color,
),
);
expect(
(Canvas canvas) => border.paint(canvas, canvasRect, textDirection: TextDirection.rtl),
paints
..path(
includes: leftRectIncludes,
excludes: rightRectIncludes,
color: borderSide.color,
),
);
});
test('LinearBorder.top()', () {
final LinearBorder border = LinearBorder.top(side: borderSide);
expect(
(Canvas canvas) => border.paint(canvas, canvasRect, textDirection: TextDirection.ltr),
paints
..path(
includes: topRectIncludes,
excludes: bottomRectIncludes,
color: borderSide.color,
),
);
});
test('LinearBorder.bottom()', () {
final LinearBorder border = LinearBorder.bottom(side: borderSide);
expect(
(Canvas canvas) => border.paint(canvas, canvasRect, textDirection: TextDirection.ltr),
paints
..path(
includes: bottomRectIncludes,
excludes: topRectIncludes,
color: borderSide.color,
),
);
});
}
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