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| 1 <!DOCTYPE html> | |
| 2 <!-- | |
| 3 Copyright (c) 2014 The Chromium Authors. All rights reserved. | |
| 4 Use of this source code is governed by a BSD-style license that can be | |
| 5 found in the LICENSE file. | |
| 6 --> | |
| 7 <link rel="import" href="/tracing/base/quad.html"> | |
| 8 <link rel="import" href="/tracing/base/rect.html"> | |
| 9 <script> | |
| 10 'use strict'; | |
| 11 | |
| 12 function assertQuadEquals(a, b, opt_message) { | |
| 13 var ok = true; | |
| 14 ok &= a.p1[0] === b.p1[0] && a.p1[1] === b.p1[1]; | |
| 15 ok &= a.p2[0] === b.p2[0] && a.p2[1] === b.p2[1]; | |
| 16 ok &= a.p3[0] === b.p3[0] && a.p3[1] === b.p3[1]; | |
| 17 ok &= a.p4[0] === b.p4[0] && a.p4[1] === b.p4[1]; | |
| 18 if (ok) | |
| 19 return; | |
| 20 var message = opt_message || 'Expected "' + a.toString() + | |
| 21 '", got "' + b.toString() + '"'; | |
| 22 assert.fail(a, b, message); | |
| 23 } | |
| 24 | |
| 25 tr.b.unittest.testSuite(function() { | |
| 26 test('pointInTri', function() { | |
| 27 var res = tr.b.pointInTriangle2( | |
| 28 [0.25, 0.25], | |
| 29 [0, 0], | |
| 30 [1, 0], | |
| 31 [0, 1]); | |
| 32 assert.isTrue(res); | |
| 33 }); | |
| 34 | |
| 35 test('pointNotInTri', function() { | |
| 36 var res = tr.b.pointInTriangle2( | |
| 37 [0.75, 0.75], | |
| 38 [0, 0], | |
| 39 [1, 0], | |
| 40 [0, 1]); | |
| 41 assert.isFalse(res); | |
| 42 }); | |
| 43 | |
| 44 test('pointInside', function() { | |
| 45 var q = tr.b.Quad.from4Vecs([0, 0], | |
| 46 [1, 0], | |
| 47 [1, 1], | |
| 48 [0, 1]); | |
| 49 var res = q.pointInside([0.5, 0.5]); | |
| 50 assert.isTrue(res); | |
| 51 }); | |
| 52 | |
| 53 test('pointNotInQuad', function() { | |
| 54 var q = tr.b.Quad.from4Vecs([0, 0], | |
| 55 [1, 0], | |
| 56 [1, 1], | |
| 57 [0, 1]); | |
| 58 var res = q.pointInside([1.5, 0.5]); | |
| 59 assert.isFalse(res); | |
| 60 }); | |
| 61 | |
| 62 test('isRectangle', function() { | |
| 63 assert.isTrue(tr.b.Quad.fromXYWH(0, 0, 10, 10).isRectangle()); | |
| 64 assert.isTrue(tr.b.Quad.fromXYWH(-10, -10, 5, 5).isRectangle()); | |
| 65 assert.isTrue(tr.b.Quad.fromXYWH(-10, -10, 20, 20).isRectangle()); | |
| 66 assert.isTrue(tr.b.Quad.fromXYWH(-10, 10, 5, 5).isRectangle()); | |
| 67 | |
| 68 assert.isFalse(tr.b.Quad.fromXYWH(0, 0, -10, -10).isRectangle()); | |
| 69 assert.isFalse( | |
| 70 tr.b.Quad.from8Array([0, 1, 2, 3, 4, 5, 6, 7]).isRectangle()); | |
| 71 assert.isFalse( | |
| 72 tr.b.Quad.from8Array([0, 0, 0, 5, 5, 5, 0, 0]).isRectangle()); | |
| 73 }); | |
| 74 | |
| 75 test('projectUnitRect', function() { | |
| 76 var container = tr.b.Quad.fromXYWH(0, 0, 10, 10); | |
| 77 var srcRect = tr.b.Rect.fromXYWH(0.1, 0.8, 0.8, 0.1); | |
| 78 var expectedRect = srcRect.scale(10); | |
| 79 | |
| 80 var q = new tr.b.Quad(); | |
| 81 container.projectUnitRectFast(q, srcRect); | |
| 82 | |
| 83 assertQuadEquals(tr.b.Quad.fromRect(expectedRect), q); | |
| 84 }); | |
| 85 | |
| 86 test('projectUnitRectOntoUnitQuad', function() { | |
| 87 var container = tr.b.Quad.fromXYWH(0, 0, 1, 1); | |
| 88 var srcRect = tr.b.Rect.fromXYWH(0.0, 0, 1, 1); | |
| 89 var expectedRect = srcRect; | |
| 90 | |
| 91 var q = new tr.b.Quad(); | |
| 92 container.projectUnitRectFast(q, srcRect); | |
| 93 | |
| 94 assertQuadEquals(tr.b.Quad.fromRect(expectedRect), q); | |
| 95 }); | |
| 96 | |
| 97 test('projectUnitRectOntoSizeTwoQuad', function() { | |
| 98 var container = tr.b.Quad.fromXYWH(0, 0, 2, 2); | |
| 99 var srcRect = tr.b.Rect.fromXYWH(0.0, 0, 1, 1); | |
| 100 var expectedRect = srcRect.scale(2); | |
| 101 | |
| 102 var q = new tr.b.Quad(); | |
| 103 container.projectUnitRectFast(q, srcRect); | |
| 104 | |
| 105 assertQuadEquals(tr.b.Quad.fromRect(expectedRect), q); | |
| 106 }); | |
| 107 | |
| 108 test('projectUnitRectOntoTranslatedQuad', function() { | |
| 109 var container = tr.b.Quad.fromXYWH(1, 1, 1, 1); | |
| 110 var srcRect = tr.b.Rect.fromXYWH(0.0, 0, 1, 1); | |
| 111 var expectedRect = srcRect.translate([1, 1]); | |
| 112 | |
| 113 var q = new tr.b.Quad(); | |
| 114 container.projectUnitRectFast(q, srcRect); | |
| 115 | |
| 116 assertQuadEquals(tr.b.Quad.fromRect(expectedRect), q); | |
| 117 }); | |
| 118 | |
| 119 test('projectShrunkUnitRectOntoUnitQuad', function() { | |
| 120 var container = tr.b.Quad.fromXYWH(0, 0, 1, 1); | |
| 121 var srcRect = tr.b.Rect.fromXYWH(0.1, 0.1, 0.8, 0.8); | |
| 122 var expectedRect = srcRect; | |
| 123 | |
| 124 var q = new tr.b.Quad(); | |
| 125 container.projectUnitRectFast(q, srcRect); | |
| 126 | |
| 127 assertQuadEquals(tr.b.Quad.fromRect(expectedRect), q); | |
| 128 }); | |
| 129 }); | |
| 130 </script> | |
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Chromium Code Reviews
Issue 2771723003:
[tracing] Move math utilities from base into their own subdirectory (attempt 2) (Closed)
