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Unverified Commit 6dc18ef7 authored by Deepak Penaganti's avatar Deepak Penaganti Committed by GitHub
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Blurstyle for boxshadow v2 (#88697)

parent c8e30bf4
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Showing with 311 additions and 5 deletions
packages/flutter/lib/src/painting/box_shadow.dart
View file @ 6dc18ef7
......@@ -36,11 +36,17 @@ class BoxShadow extends ui.Shadow {
Offset offset = Offset.zero,
double blurRadius = 0.0,
this.spreadRadius = 0.0,
this.blurStyle = BlurStyle.normal,
}) : super(color: color, offset: offset, blurRadius: blurRadius);
/// The amount the box should be inflated prior to applying the blur.
final double spreadRadius;
/// The [BlurStyle] to use for this shadow.
///
/// Defaults to [BlurStyle.normal].
final BlurStyle blurStyle;
/// Create the [Paint] object that corresponds to this shadow description.
///
/// The [offset] and [spreadRadius] are not represented in the [Paint] object.
......@@ -51,7 +57,7 @@ class BoxShadow extends ui.Shadow {
Paint toPaint() {
final Paint result = Paint()
..color = color
..maskFilter = MaskFilter.blur(BlurStyle.normal, blurSigma);
..maskFilter = MaskFilter.blur(blurStyle, blurSigma);
assert(() {
if (debugDisableShadows)
result.maskFilter = null;
......@@ -68,6 +74,7 @@ class BoxShadow extends ui.Shadow {
offset: offset * factor,
blurRadius: blurRadius * factor,
spreadRadius: spreadRadius * factor,
blurStyle: blurStyle,
);
}
......@@ -91,6 +98,7 @@ class BoxShadow extends ui.Shadow {
offset: Offset.lerp(a.offset, b.offset, t)!,
blurRadius: ui.lerpDouble(a.blurRadius, b.blurRadius, t)!,
spreadRadius: ui.lerpDouble(a.spreadRadius, b.spreadRadius, t)!,
blurStyle: a.blurStyle == BlurStyle.normal ? b.blurStyle : a.blurStyle,
);
}
......@@ -123,12 +131,13 @@ class BoxShadow extends ui.Shadow {
&& other.color == color
&& other.offset == offset
&& other.blurRadius == blurRadius
&& other.spreadRadius == spreadRadius;
&& other.spreadRadius == spreadRadius
&& other.blurStyle == blurStyle;
}
@override
int get hashCode => hashValues(color, offset, blurRadius, spreadRadius);
int get hashCode => hashValues(color, offset, blurRadius, spreadRadius, blurStyle);
@override
String toString() => 'BoxShadow($color, $offset, ${debugFormatDouble(blurRadius)}, ${debugFormatDouble(spreadRadius)})';
String toString() => 'BoxShadow($color, $offset, ${debugFormatDouble(blurRadius)}, ${debugFormatDouble(spreadRadius)}), $blurStyle';
}
packages/flutter/test/painting/box_painter_test.dart
View file @ 6dc18ef7
......@@ -2,10 +2,16 @@
// 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/painting.dart';
import 'package:flutter/widgets.dart';
import 'package:flutter_test/flutter_test.dart';
void main() {
tearDown(() {
debugDisableShadows = true;
});
test('BorderSide control test', () {
const BorderSide side1 = BorderSide();
final BorderSide side2 = side1.copyWith(
......@@ -107,7 +113,298 @@ void main() {
expect(shadowList, equals(<BoxShadow>[shadow4, shadow1.scale(0.5)]));
});
test('BoxShadow BlurStyle test', () {
const BoxShadow shadow1 = BoxShadow(blurRadius: 4.0);
const BoxShadow shadow2 = BoxShadow(blurRadius: 4.0, blurStyle: BlurStyle.outer);
final BoxShadow shadow3 = BoxShadow.lerp(shadow1, null, 0.25)!;
final BoxShadow shadow4 = BoxShadow.lerp(null, shadow1, 0.25)!;
final BoxShadow shadow5 = BoxShadow.lerp(shadow1, shadow2, 0.25)!;
final BoxShadow shadow6 = BoxShadow.lerp(const BoxShadow(blurStyle: BlurStyle.solid), shadow2, 0.25)!;
expect(shadow1.blurStyle, equals(BlurStyle.normal));
expect(shadow2.blurStyle, equals(BlurStyle.outer));
expect(shadow3.blurStyle, equals(BlurStyle.normal));
expect(shadow4.blurStyle, equals(BlurStyle.normal));
expect(shadow5.blurStyle, equals(BlurStyle.outer));
expect(shadow6.blurStyle, equals(BlurStyle.solid));
List<BoxShadow> shadowList = BoxShadow.lerpList(<BoxShadow>[shadow2, shadow1], <BoxShadow>[shadow3], 0.5)!;
expect(shadowList[0].blurStyle, equals(BlurStyle.outer));
expect(shadowList[1].blurStyle, equals(BlurStyle.normal));
shadowList = BoxShadow.lerpList(<BoxShadow>[shadow6], <BoxShadow>[shadow3, shadow1], 0.5)!;
expect(shadowList[0].blurStyle, equals(BlurStyle.solid));
expect(shadowList[1].blurStyle, equals(BlurStyle.normal));
shadowList = BoxShadow.lerpList(<BoxShadow>[shadow3], <BoxShadow>[shadow6, shadow1], 0.5)!;
expect(shadowList[0].blurStyle, equals(BlurStyle.solid));
expect(shadowList[1].blurStyle, equals(BlurStyle.normal));
shadowList = BoxShadow.lerpList(<BoxShadow>[shadow3], <BoxShadow>[shadow2, shadow1], 0.5)!;
expect(shadowList[0].blurStyle, equals(BlurStyle.outer));
expect(shadowList[1].blurStyle, equals(BlurStyle.normal));
});
test('BoxShadow toString test', () {
expect(const BoxShadow(blurRadius: 4.0).toString(), equals('BoxShadow(Color(0xff000000), Offset(0.0, 0.0), 4.0, 0.0)'));
expect(const BoxShadow(blurRadius: 4.0).toString(), equals('BoxShadow(Color(0xff000000), Offset(0.0, 0.0), 4.0, 0.0), BlurStyle.normal'));
expect(const BoxShadow(blurRadius: 4.0, blurStyle: BlurStyle.solid).toString(), equals('BoxShadow(Color(0xff000000), Offset(0.0, 0.0), 4.0, 0.0), BlurStyle.solid'));
});
testWidgets('BoxShadow BoxStyle.solid', (WidgetTester tester) async {
final Key key = UniqueKey();
debugDisableShadows = false;
await tester.pumpWidget(
Center(
child: RepaintBoundary(
key: key,
child: Container(
color: Colors.white,
width: 50,
height: 50,
child: Center(
child: Container(
decoration: const BoxDecoration(
boxShadow: <BoxShadow>[BoxShadow(blurRadius: 3.0, blurStyle: BlurStyle.solid)],
),
width: 10,
height: 10,
),
),
),
),
),
);
await expectLater(
find.byKey(key),
matchesGoldenFile('boxShadow.boxStyle.solid.0.0.png'),
);
debugDisableShadows = true;
});
testWidgets('BoxShadow BoxStyle.outer', (WidgetTester tester) async {
final Key key = UniqueKey();
debugDisableShadows = false;
await tester.pumpWidget(
Center(
child: RepaintBoundary(
key: key,
child: Container(
color: Colors.white,
width: 50,
height: 50,
child: Center(
child: Container(
decoration: const BoxDecoration(
boxShadow: <BoxShadow>[BoxShadow(blurRadius: 8.0, blurStyle: BlurStyle.outer)],
),
width: 20,
height: 20,
),
),
),
),
),
);
await expectLater(
find.byKey(key),
matchesGoldenFile('boxShadow.boxStyle.outer.0.0.png'),
);
debugDisableShadows = true;
});
testWidgets('BoxShadow BoxStyle.inner', (WidgetTester tester) async {
final Key key = UniqueKey();
debugDisableShadows = false;
await tester.pumpWidget(
Center(
child: RepaintBoundary(
key: key,
child: Container(
color: Colors.white,
width: 50,
height: 50,
child: Center(
child: Container(
decoration: const BoxDecoration(
boxShadow: <BoxShadow>[BoxShadow(blurRadius: 4.0, blurStyle: BlurStyle.inner)],
),
width: 20,
height: 20,
),
),
),
),
),
);
await expectLater(
find.byKey(key),
matchesGoldenFile('boxShadow.boxStyle.inner.0.0.png'),
);
debugDisableShadows = true;
});
testWidgets('BoxShadow BoxStyle.normal', (WidgetTester tester) async {
final Key key = UniqueKey();
debugDisableShadows = false;
await tester.pumpWidget(
Center(
child: RepaintBoundary(
key: key,
child: Container(
color: Colors.white,
width: 50,
height: 50,
child: Center(
child: Container(
decoration: const BoxDecoration(
boxShadow: <BoxShadow>[BoxShadow(blurRadius: 4.0, blurStyle: BlurStyle.normal)],
),
width: 20,
height: 20,
),
),
),
),
),
);
await expectLater(
find.byKey(key),
matchesGoldenFile('boxShadow.boxStyle.normal.0.0.png'),
);
debugDisableShadows = true;
});
testWidgets('BoxShadow BoxStyle.normal.wide_radius', (WidgetTester tester) async {
final Key key = UniqueKey();
debugDisableShadows = false;
await tester.pumpWidget(
Center(
child: RepaintBoundary(
key: key,
child: Container(
color: Colors.amber,
width: 128,
height: 128,
child: Center(
child: Container(
decoration: const BoxDecoration(
color: Colors.black,
boxShadow: <BoxShadow>[BoxShadow(blurRadius: 16.0, offset: Offset(4, 4), blurStyle: BlurStyle.normal, color: Colors.green, spreadRadius: 2)],
),
width: 64,
height: 64,
),
),
),
),
),
);
await expectLater(
find.byKey(key),
matchesGoldenFile('boxShadow.boxStyle.normal.wide_radius.0.0.png'),
);
debugDisableShadows = true;
});
testWidgets('BoxShadow BoxStyle.outer.wide_radius', (WidgetTester tester) async {
final Key key = UniqueKey();
debugDisableShadows = false;
await tester.pumpWidget(
Center(
child: RepaintBoundary(
key: key,
child: Container(
color: Colors.amber,
width: 128,
height: 128,
child: Center(
child: Container(
decoration: const BoxDecoration(
color: Colors.black,
boxShadow: <BoxShadow>[BoxShadow(blurRadius: 16.0, offset: Offset(4, 4), blurStyle: BlurStyle.outer, color: Colors.red, spreadRadius: 2)],
),
width: 64,
height: 64,
),
),
),
),
),
);
await expectLater(
find.byKey(key),
matchesGoldenFile('boxShadow.boxStyle.outer.wide_radius.0.0.png'),
);
debugDisableShadows = true;
});
testWidgets('BoxShadow BoxStyle.solid.wide_radius', (WidgetTester tester) async {
final Key key = UniqueKey();
debugDisableShadows = false;
await tester.pumpWidget(
Center(
child: RepaintBoundary(
key: key,
child: Container(
color: Colors.grey,
width: 128,
height: 128,
child: Center(
child: Container(
decoration: const BoxDecoration(
color: Colors.black,
boxShadow: <BoxShadow>[BoxShadow(blurRadius: 16.0, offset: Offset(4, 4), blurStyle: BlurStyle.solid, color: Colors.purple, spreadRadius: 2)],
),
width: 64,
height: 64,
),
),
),
),
),
);
await expectLater(
find.byKey(key),
matchesGoldenFile('boxShadow.boxStyle.solid.wide_radius.0.0.png'),
);
debugDisableShadows = true;
});
testWidgets('BoxShadow BoxStyle.inner.wide_radius', (WidgetTester tester) async {
final Key key = UniqueKey();
debugDisableShadows = false;
await tester.pumpWidget(
Center(
child: RepaintBoundary(
key: key,
child: Container(
color: Colors.green,
width: 128,
height: 128,
child: Center(
child: Container(
decoration: const BoxDecoration(
color: Colors.black,
boxShadow: <BoxShadow>[BoxShadow(blurRadius: 16.0, offset: Offset(4, 4), blurStyle: BlurStyle.inner, color: Colors.amber, spreadRadius: 2)],
),
width: 64,
height: 64,
),
),
),
),
),
);
await expectLater(
find.byKey(key),
matchesGoldenFile('boxShadow.boxStyle.inner.wide_radius.0.0.png'),
);
debugDisableShadows = true;
});
}
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