1 jasmine.DEFAULT_TIMEOUT_INTERVAL = 20000; 2 3 describe('PathKit\'s Path Behavior', function() { 4 // Note, don't try to print the PathKit object - it can cause Karma/Jasmine to lock up. 5 var PathKit = null; 6 const LoadPathKit = new Promise(function(resolve, reject) { 7 if (PathKit) { 8 resolve(); 9 } else { 10 PathKitInit({ 11 locateFile: (file) => '/pathkit/'+file, 12 }).ready().then((_PathKit) => { 13 PathKit = _PathKit; 14 resolve(); 15 }); 16 } 17 }); 18 19 // see https://fiddle.skia.org/c/@discrete_path 20 function drawStar() { 21 let path = PathKit.NewPath(); 22 let R = 115.2, C = 128.0; 23 path.moveTo(C + R + 22, C); 24 for (let i = 1; i < 8; i++) { 25 let a = 2.6927937 * i; 26 path.lineTo(C + R * Math.cos(a) + 22, C + R * Math.sin(a)); 27 } 28 path.closePath(); 29 return path; 30 } 31 32 describe('Dash Path Effect', function() { 33 it('performs dash in-place with start, stop, phase', function(done) { 34 LoadPathKit.then(catchException(done, () => { 35 let orig = drawStar(); 36 let dashed = drawStar(); 37 let notACopy = dashed.dash(10, 3, 0); 38 let phased = drawStar().dash(10, 3, 2); 39 40 expect(dashed === notACopy).toBe(true); 41 expect(dashed.equals(phased)).toBe(false); 42 expect(dashed.equals(orig)).toBe(false); 43 44 reportPath(dashed, 'dashed_no_phase', () => { 45 reportPath(phased, 'dashed_with_phase', done); 46 orig.delete(); 47 dashed.delete(); 48 phased.delete(); 49 }); 50 })); 51 }); 52 }); 53 54 describe('Trim Path Effect', function() { 55 it('performs trim in-place with start, stop, phase', function(done) { 56 LoadPathKit.then(catchException(done, () => { 57 let orig = drawStar(); 58 let trimmed = drawStar(); 59 let notACopy = trimmed.trim(0.25, .8); 60 let complement = drawStar().trim(.1, .9, true); 61 62 expect(trimmed === notACopy).toBe(true); 63 expect(trimmed.equals(complement)).toBe(false); 64 expect(trimmed.equals(orig)).toBe(false); 65 expect(complement.equals(orig)).toBe(false); 66 67 reportPath(trimmed, 'trimmed_non_complement', () => { 68 reportPath(complement, 'trimmed_complement', done); 69 orig.delete(); 70 trimmed.delete(); 71 complement.delete(); 72 }); 73 })); 74 }); 75 }); 76 77 describe('Transform Path Effect', function() { 78 it('performs matrix transform in-place', function(done) { 79 LoadPathKit.then(catchException(done, () => { 80 let orig = drawStar(); 81 let scaled = drawStar(); 82 let notACopy = scaled.transform(3, 0, 0, 83 0, 3, 0, 84 0, 0, 1); 85 86 let scaled2 = drawStar().transform([3, 0, 0, 87 0, 3, 0, 88 0, 0, 1]); 89 90 expect(scaled === notACopy).toBe(true); 91 expect(scaled.equals(scaled2)).toBe(true); 92 expect(scaled.equals(orig)).toBe(false); 93 94 reportPath(scaled, 'transformed_scale', () => { 95 reportPath(scaled2, 'transformed_scale2', done); 96 orig.delete(); 97 scaled.delete(); 98 scaled2.delete(); 99 }); 100 })); 101 }); 102 }); 103 104 describe('Stroke Path Effect', function() { 105 it('creates a stroked path in-place', function(done) { 106 LoadPathKit.then(catchException(done, () => { 107 let orig = drawStar(); 108 let stroked = drawStar(); 109 let notACopy = stroked.stroke({ 110 width: 15, 111 join: PathKit.StrokeJoin.BEVEL, 112 cap: PathKit.StrokeCap.BUTT, 113 miter_limit: 2, 114 }); 115 116 // Don't have to specify all of the fields, defaults will 117 // be used instead. 118 let rounded = drawStar().stroke({ 119 width: 10, 120 join: PathKit.StrokeJoin.ROUND, 121 cap:PathKit.StrokeCap.SQUARE, 122 }); 123 124 expect(stroked === notACopy).toBe(true); 125 expect(stroked.equals(rounded)).toBe(false); 126 expect(stroked.equals(orig)).toBe(false); 127 128 reportPath(stroked, 'stroke_bevel_butt', () => { 129 reportPath(rounded, 'stroke_round_square', done); 130 orig.delete(); 131 stroked.delete(); 132 rounded.delete(); 133 }); 134 })); 135 }); 136 }); 137 138 }); 139
