blob: 3b6459a6bcb09581136c2f01b63b22b2c56d4fd3 [file] [log] [blame]
// Copyright 2013 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 'dart:js_util' as js_util;
import 'dart:html' as html;
import 'dart:typed_data';
import 'package:test/bootstrap/browser.dart';
import 'package:test/test.dart';
import 'package:ui/ui.dart' hide window;
import 'package:ui/src/engine.dart';
import 'matchers.dart';
void main() {
internalBootstrapBrowserTest(() => testMain);
}
void testMain() {
group('Path', () {
test('Should have no subpaths when created', () {
final SurfacePath path = SurfacePath();
expect(path.isEmpty, true);
});
test('LineTo should add command', () {
final SurfacePath path = SurfacePath();
path.moveTo(5.0, 10.0);
path.lineTo(20.0, 40.0);
path.lineTo(30.0, 50.0);
expect(path.pathRef.countPoints(), 3);
expect(path.pathRef.atPoint(2).dx, 30.0);
expect(path.pathRef.atPoint(2).dy, 50.0);
});
test('LineTo should add moveTo 0,0 when first call to Path API', () {
final SurfacePath path = SurfacePath();
path.lineTo(20.0, 40.0);
expect(path.pathRef.countPoints(), 2);
expect(path.pathRef.atPoint(0).dx, 0);
expect(path.pathRef.atPoint(0).dy, 0);
expect(path.pathRef.atPoint(1).dx, 20.0);
expect(path.pathRef.atPoint(1).dy, 40.0);
});
test('relativeLineTo should increments currentX', () {
final SurfacePath path = SurfacePath();
path.moveTo(5.0, 10.0);
path.lineTo(20.0, 40.0);
path.relativeLineTo(5.0, 5.0);
expect(path.pathRef.countPoints(), 3);
expect(path.pathRef.atPoint(2).dx, 25.0);
expect(path.pathRef.atPoint(2).dy, 45.0);
});
test('Should allow calling relativeLineTo before moveTo', () {
final SurfacePath path = SurfacePath();
path.relativeLineTo(5.0, 5.0);
path.moveTo(5.0, 10.0);
expect(path.pathRef.countPoints(), 3);
expect(path.pathRef.atPoint(1).dx, 5.0);
expect(path.pathRef.atPoint(1).dy, 5.0);
expect(path.pathRef.atPoint(2).dx, 5.0);
expect(path.pathRef.atPoint(2).dy, 10.0);
});
test('Should allow relativeLineTo after reset', () {
final SurfacePath path = SurfacePath();
final Path subPath = Path();
subPath.moveTo(50.0, 60.0);
subPath.lineTo(200.0, 200.0);
path.extendWithPath(subPath, const Offset(0.0, 0.0));
path.reset();
path.relativeLineTo(5.0, 5.0);
expect(path.pathRef.countPoints(), 2);
expect(path.pathRef.atPoint(0).dx, 0);
expect(path.pathRef.atPoint(0).dy, 0);
expect(path.pathRef.atPoint(1).dx, 5.0);
});
test('Should detect rectangular path', () {
final SurfacePath path = SurfacePath();
path.addRect(const Rect.fromLTWH(1.0, 2.0, 3.0, 4.0));
expect(path.toRect(), const Rect.fromLTWH(1.0, 2.0, 3.0, 4.0));
});
test('Should detect horizontal line path', () {
SurfacePath path = SurfacePath();
path.moveTo(10, 20);
path.lineTo(100, 0);
expect(path.toStraightLine(), null);
path = SurfacePath();
path.moveTo(10, 20);
path.lineTo(200, 20);
Rect r = path.toStraightLine()!;
expect(r, equals(Rect.fromLTRB(10, 20, 200, 20)));
});
test('Should detect vertical line path', () {
final SurfacePath path = SurfacePath();
path.moveTo(10, 20);
path.lineTo(10, 200);
Rect r = path.toStraightLine()!;
expect(r, equals(Rect.fromLTRB(10, 20, 10, 200)));
});
test('Should detect non rectangular path if empty', () {
final SurfacePath path = SurfacePath();
expect(path.toRect(), null);
});
test('Should detect non rectangular path if there are multiple subpaths',
() {
final SurfacePath path = SurfacePath();
path.addRect(const Rect.fromLTWH(1.0, 2.0, 3.0, 4.0));
path.addRect(const Rect.fromLTWH(5.0, 6.0, 7.0, 8.0));
expect(path.toRect(), null);
});
test('Should detect rounded rectangular path', () {
final SurfacePath path = SurfacePath();
path.addRRect(RRect.fromRectAndRadius(
const Rect.fromLTRB(1.0, 2.0, 30.0, 40.0),
const Radius.circular(2.0)));
expect(
path.toRoundedRect(),
RRect.fromRectAndRadius(const Rect.fromLTRB(1.0, 2.0, 30.0, 40.0),
const Radius.circular(2.0)));
});
test('Should detect non rounded rectangular path if empty', () {
final SurfacePath path = SurfacePath();
expect(path.toRoundedRect(), null);
});
test('Should detect rectangular path is not round', () {
final SurfacePath path = SurfacePath();
path.addRect(const Rect.fromLTWH(1.0, 2.0, 3.0, 4.0));
expect(path.toRoundedRect(), null);
});
test(
'Should detect non rounded rectangular path if there are '
'multiple subpaths', () {
final SurfacePath path = SurfacePath();
path.addRRect(RRect.fromRectAndRadius(
const Rect.fromLTWH(1.0, 2.0, 3.0, 4.0), const Radius.circular(2.0)));
path.addRRect(RRect.fromRectAndRadius(
const Rect.fromLTWH(1.0, 2.0, 3.0, 4.0), const Radius.circular(2.0)));
expect(path.toRoundedRect(), null);
});
test('Should compute bounds as empty for empty and moveTo only path', () {
final Path emptyPath = Path();
expect(emptyPath.getBounds(), Rect.zero);
final SurfacePath path = SurfacePath();
path.moveTo(50, 60);
expect(path.getBounds(), const Rect.fromLTRB(50, 60, 50, 60));
});
test('Should compute bounds for multiple addRect calls', () {
final Path emptyPath = Path();
expect(emptyPath.getBounds(), Rect.zero);
final SurfacePath path = SurfacePath();
path.addRect(Rect.fromLTWH(0, 0, 270, 45));
path.addRect(Rect.fromLTWH(134.5, 0, 1, 45));
expect(path.getBounds(), const Rect.fromLTRB(0, 0, 270, 45));
});
test('Should compute bounds for addRRect', () {
SurfacePath path = SurfacePath();
final Rect bounds = Rect.fromLTRB(30, 40, 400, 300);
RRect rrect = RRect.fromRectAndCorners(bounds,
topLeft: Radius.elliptical(1, 2),
topRight: Radius.elliptical(3, 4),
bottomLeft: Radius.elliptical(5, 6),
bottomRight: Radius.elliptical(7, 8));
path.addRRect(rrect);
expect(path.getBounds(), bounds);
expect(path.toRoundedRect(), rrect);
path = SurfacePath();
rrect = RRect.fromRectAndCorners(bounds,
topLeft: Radius.elliptical(0, 2),
topRight: Radius.elliptical(3, 4),
bottomLeft: Radius.elliptical(5, 6),
bottomRight: Radius.elliptical(7, 8));
path.addRRect(rrect);
expect(path.getBounds(), bounds);
expect(path.toRoundedRect(), rrect);
path = SurfacePath();
rrect = RRect.fromRectAndCorners(bounds,
topLeft: Radius.elliptical(0, 0),
topRight: Radius.elliptical(3, 4),
bottomLeft: Radius.elliptical(5, 6),
bottomRight: Radius.elliptical(7, 8));
path.addRRect(rrect);
expect(path.getBounds(), bounds);
expect(path.toRoundedRect(), rrect);
path = SurfacePath();
rrect = RRect.fromRectAndCorners(bounds,
topLeft: Radius.elliptical(1, 2),
topRight: Radius.elliptical(0, 0),
bottomLeft: Radius.elliptical(5, 6),
bottomRight: Radius.elliptical(7, 8));
path.addRRect(rrect);
expect(path.getBounds(), bounds);
expect(path.toRoundedRect(), rrect);
path = SurfacePath();
rrect = RRect.fromRectAndCorners(bounds,
topLeft: Radius.elliptical(1, 2),
topRight: Radius.elliptical(3, 4),
bottomLeft: Radius.elliptical(0, 0),
bottomRight: Radius.elliptical(7, 8));
path.addRRect(rrect);
expect(path.getBounds(), bounds);
expect(path.toRoundedRect(), rrect);
path = SurfacePath();
rrect = RRect.fromRectAndCorners(bounds,
topLeft: Radius.elliptical(1, 2),
topRight: Radius.elliptical(3, 4),
bottomLeft: Radius.elliptical(5, 6),
bottomRight: Radius.elliptical(0, 0));
path.addRRect(rrect);
expect(path.getBounds(), bounds);
expect(path.toRoundedRect(), rrect);
});
test('Should compute bounds for lines', () {
final SurfacePath path = SurfacePath();
path.moveTo(25, 30);
path.lineTo(100, 200);
expect(path.getBounds(), const Rect.fromLTRB(25, 30, 100, 200));
final SurfacePath path2 = SurfacePath();
path2.moveTo(250, 300);
path2.lineTo(50, 60);
expect(path2.getBounds(), const Rect.fromLTRB(50, 60, 250, 300));
});
test('Should compute bounds for polygon', () {
final SurfacePath path = SurfacePath();
path.addPolygon(<Offset>[
Offset(50, 100),
Offset(250, 100),
Offset(152, 180),
Offset(159, 200),
Offset(151, 190)
], true);
expect(path.getBounds(), const Rect.fromLTRB(50, 100, 250, 200));
});
test('Should compute bounds for quadraticBezierTo', () {
final SurfacePath path1 = SurfacePath();
path1.moveTo(285.2, 682.1);
path1.quadraticBezierTo(432.0, 431.4, 594.9, 681.2);
expect(
path1.getBounds(),
within<Rect>(
distance: 0.1,
from: const Rect.fromLTRB(285.2, 556.5, 594.9, 682.1)));
// Control point below start , end.
final SurfacePath path2 = SurfacePath();
path2.moveTo(285.2, 682.1);
path2.quadraticBezierTo(447.4, 946.8, 594.9, 681.2);
expect(
path2.getBounds(),
within<Rect>(
distance: 0.1,
from: const Rect.fromLTRB(285.2, 681.2, 594.9, 814.2)));
// Control point to the right of end point.
final SurfacePath path3 = SurfacePath();
path3.moveTo(468.3, 685.6);
path3.quadraticBezierTo(644.7, 555.2, 594.9, 681.2);
expect(
path3.getBounds(),
within<Rect>(
distance: 0.1,
from: const Rect.fromLTRB(468.3, 619.3, 605.9, 685.6)));
});
test('Should compute bounds for cubicTo', () {
final SurfacePath path1 = SurfacePath();
path1.moveTo(220, 300);
path1.cubicTo(230, 120, 400, 125, 410, 280);
expect(
path1.getBounds(),
within<Rect>(
distance: 0.1,
from: const Rect.fromLTRB(220.0, 164.3, 410.0, 300.0)));
// control point 1 to the right of control point 2
final SurfacePath path2 = SurfacePath();
path2.moveTo(220, 300);
path2.cubicTo(564.2, 13.7, 400.0, 125.0, 410.0, 280.0);
expect(
path2.getBounds(),
within<Rect>(
distance: 0.1,
from: const Rect.fromLTRB(220.0, 122.8, 440.5, 300.0)));
// control point 1 to the right of control point 2 inflection
final SurfacePath path3 = SurfacePath();
path3.moveTo(220, 300);
path3.cubicTo(839.8, 67.9, 400.0, 125.0, 410.0, 280.0);
expect(
path3.getBounds(),
within<Rect>(
distance: 0.1,
from: const Rect.fromLTRB(220.0, 144.5, 552.1, 300.0)));
// control point 1 below and between start and end points
final SurfacePath path4 = SurfacePath();
path4.moveTo(220.0, 300.0);
path4.cubicTo(354.8, 388.3, 400.0, 125.0, 410.0, 280.0);
expect(
path4.getBounds(),
within<Rect>(
distance: 0.1,
from: const Rect.fromLTRB(220.0, 230.0, 410.0, 318.6)));
// control points inverted below
final SurfacePath path5 = SurfacePath();
path5.moveTo(220.0, 300.0);
path5.cubicTo(366.5, 487.3, 256.4, 489.9, 410.0, 280.0);
expect(
path5.getBounds(),
within<Rect>(
distance: 0.1,
from: const Rect.fromLTRB(220.0, 280.0, 410.0, 439.0)));
// control points inverted below wide
final SurfacePath path6 = SurfacePath();
path6.moveTo(220.0, 300.0);
path6.cubicTo(496.1, 485.5, 121.4, 491.6, 410.0, 280.0);
expect(
path6.getBounds(),
within<Rect>(
distance: 0.1,
from: const Rect.fromLTRB(220.0, 280.0, 410.0, 439.0)));
// control point 2 and end point swapped
final SurfacePath path7 = SurfacePath();
path7.moveTo(220.0, 300.0);
path7.cubicTo(230.0, 120.0, 394.5, 296.1, 382.3, 124.1);
expect(
path7.getBounds(),
within<Rect>(
distance: 0.1,
from: const Rect.fromLTRB(220.0, 124.1, 382.9, 300.0)));
});
// Regression test for https://github.com/flutter/flutter/issues/46813.
test('Should deep copy path', () {
final SurfacePath path = SurfacePath();
path.moveTo(25, 30);
path.lineTo(100, 200);
expect(path.getBounds(), const Rect.fromLTRB(25, 30, 100, 200));
final SurfacePath path2 = SurfacePath.from(path);
path2.lineTo(250, 300);
expect(path2.getBounds(), const Rect.fromLTRB(25, 30, 250, 300));
// Expect original path to stay the same.
expect(path.getBounds(), const Rect.fromLTRB(25, 30, 100, 200));
});
test('Should handle contains inclusive right,bottom coordinates', () {
final Path path = Path();
path.moveTo(50, 60);
path.lineTo(110, 60);
path.lineTo(110, 190);
path.lineTo(50, 190);
path.close();
expect(path.contains(Offset(80, 190)), true);
expect(path.contains(Offset(110, 80)), true);
expect(path.contains(Offset(110, 190)), true);
expect(path.contains(Offset(110, 191)), false);
});
test('Should not contain top-left of beveled border', () {
final Path path = Path();
path.moveTo(10, 25);
path.lineTo(15, 20);
path.lineTo(25, 20);
path.lineTo(30, 25);
path.lineTo(30, 35);
path.lineTo(25, 40);
path.lineTo(15, 40);
path.lineTo(10, 35);
path.close();
expect(path.contains(Offset(10, 20)), false);
});
test('Computes contains for cubic curves', () {
final Path path = Path();
path.moveTo(10, 25);
path.cubicTo(10, 20, 10, 20, 20, 15);
path.lineTo(25, 20);
path.cubicTo(30, 20, 30, 20, 30, 25);
path.lineTo(30, 35);
path.cubicTo(30, 40, 30, 40, 25, 40);
path.lineTo(15, 40);
path.cubicTo(10, 40, 10, 40, 10, 35);
path.close();
expect(path.contains(Offset(10, 20)), false);
expect(path.contains(Offset(30, 40)), false);
});
// Regression test for https://github.com/flutter/flutter/issues/44470
test('Should handle contains for devicepixelratio != 1.0', () {
js_util.setProperty(html.window, 'devicePixelRatio', 4.0);
window.debugOverrideDevicePixelRatio(4.0);
final Path path = Path()
..moveTo(50, 0)
..lineTo(100, 100)
..lineTo(0, 100)
..lineTo(50, 0)
..close();
expect(path.contains(Offset(50, 50)), isTrue);
js_util.setProperty(html.window, 'devicePixelRatio', 1.0);
window.debugOverrideDevicePixelRatio(1.0);
// TODO: Investigate failure on CI. Locally this passes.
// [Exception... "Failure" nsresult: "0x80004005 (NS_ERROR_FAILURE)"
}, skip: browserEngine == BrowserEngine.firefox);
// Path contains should handle case where invalid RRect with large
// corner radius is used for hit test. Use case is a RenderPhysicalShape
// with a clipper that contains RRect of width/height 50 but corner radius
// of 100.
//
// Regression test for https://github.com/flutter/flutter/issues/48887
test('Should hit test correctly for malformed rrect', () {
// Correctly formed rrect.
final Path path1 = Path()
..addRRect(RRect.fromLTRBR(50, 50, 100, 100, Radius.circular(20)));
expect(path1.contains(Offset(75, 75)), isTrue);
expect(path1.contains(Offset(52, 75)), isTrue);
expect(path1.contains(Offset(50, 50)), isFalse);
expect(path1.contains(Offset(100, 50)), isFalse);
expect(path1.contains(Offset(100, 100)), isFalse);
expect(path1.contains(Offset(50, 100)), isFalse);
final Path path2 = Path()
..addRRect(RRect.fromLTRBR(50, 50, 100, 100, Radius.circular(100)));
expect(path2.contains(Offset(75, 75)), isTrue);
expect(path2.contains(Offset(52, 75)), isTrue);
expect(path2.contains(Offset(50, 50)), isFalse);
expect(path2.contains(Offset(100, 50)), isFalse);
expect(path2.contains(Offset(100, 100)), isFalse);
expect(path2.contains(Offset(50, 100)), isFalse);
});
test('Should set segment masks', () {
final SurfacePath path = SurfacePath();
path.pathRef.computeSegmentMask();
expect(path.pathRef.segmentMasks, 0);
path.moveTo(20, 40);
path.pathRef.computeSegmentMask();
expect(path.pathRef.segmentMasks, 0);
path.lineTo(200, 40);
path.pathRef.computeSegmentMask();
expect(
path.pathRef.segmentMasks, SPathSegmentMask.kLine_SkPathSegmentMask);
});
test('Should convert conic to quad when approximation error is small', () {
final Conic conic = Conic(120.0, 20.0, 160.99470420829266, 20.0,
190.19301120261332, 34.38770865870253, 0.9252691032413082);
expect(conic.toQuads().length, 3);
});
test('Should be able to construct from empty path', () {
final SurfacePath path = SurfacePath();
final SurfacePath? path2 = SurfacePath.from(path);
assert(path2 != null, true);
});
});
group('PathRef', () {
test('Should return empty when created', () {
final PathRef pathRef = PathRef();
expect(pathRef.isEmpty, true);
});
test('Should return non-empty when mutated', () {
final PathRef pathRef = PathRef();
pathRef.growForVerb(SPath.kMoveVerb, 0);
expect(pathRef.isEmpty, false);
});
});
group('PathRefIterator', () {
test('Should iterate through empty path', () {
final Float32List points = Float32List(20);
final PathRef pathRef = PathRef();
final PathRefIterator iter = PathRefIterator(pathRef);
expect(iter.next(points), SPath.kDoneVerb);
});
test('Should iterate through verbs', () {
final Float32List points = Float32List(20);
final PathRef pathRef = PathRef();
pathRef.growForVerb(SPath.kMoveVerb, 0);
pathRef.growForVerb(SPath.kLineVerb, 0);
pathRef.growForVerb(SPath.kQuadVerb, 0);
pathRef.growForVerb(SPath.kCubicVerb, 0);
pathRef.growForVerb(SPath.kConicVerb, 0.8);
pathRef.growForVerb(SPath.kLineVerb, 0.8);
final PathRefIterator iter = PathRefIterator(pathRef);
expect(iter.next(points), SPath.kMoveVerb);
expect(iter.next(points), SPath.kLineVerb);
expect(iter.next(points), SPath.kQuadVerb);
expect(iter.next(points), SPath.kCubicVerb);
expect(iter.next(points), SPath.kConicVerb);
expect(iter.next(points), SPath.kLineVerb);
expect(iter.next(points), SPath.kDoneVerb);
});
test('Should iterate by index through empty path', () {
final PathRef pathRef = PathRef();
final PathRefIterator iter = PathRefIterator(pathRef);
expect(iter.nextIndex(), SPath.kDoneVerb);
});
test('Should iterate through contours', () {
final PathRef pathRef = PathRef();
pathRef.growForVerb(SPath.kMoveVerb, 0);
pathRef.growForVerb(SPath.kLineVerb, 0);
pathRef.growForVerb(SPath.kQuadVerb, 0);
pathRef.growForVerb(SPath.kCubicVerb, 0);
pathRef.growForVerb(SPath.kMoveVerb, 0);
pathRef.growForVerb(SPath.kConicVerb, 0.8);
pathRef.growForVerb(SPath.kLineVerb, 0.8);
pathRef.growForVerb(SPath.kCloseVerb, 0.8);
pathRef.growForVerb(SPath.kMoveVerb, 0);
pathRef.growForVerb(SPath.kLineVerb, 0);
pathRef.growForVerb(SPath.kLineVerb, 0);
final PathRefIterator iter = PathRefIterator(pathRef);
int start = iter.pointIndex;
int end = iter.skipToNextContour();
expect(end - start, 7);
start = end;
end = iter.skipToNextContour();
expect(end - start, 4);
start = end;
end = iter.skipToNextContour();
expect(end - start, 3);
start = end;
end = iter.skipToNextContour();
expect(start, end);
});
/// Regression test for https://github.com/flutter/flutter/issues/68702.
test('Path should return correct bounds after transform', () {
final Path path1 = Path()
..moveTo(100, 100)
..lineTo(200, 100)
..lineTo(150, 200)
..close();
final SurfacePath path2 = Path.from(path1) as SurfacePath;
Rect bounds = path2.pathRef.getBounds();
SurfacePath transformedPath = path2.transform(
Matrix4.identity().scaled(0.5, 0.5).toFloat64());
expect(transformedPath.pathRef.getBounds(), isNot(bounds));
});
});
}