import { serialize , parse , getYForX , curveLines } from "../Paths" ; import type { Vector } from "../Vectors" ; import { d1 , d2 } from "./paths" ; const points = [ { x : 0 , y : 192 } , { x : 16.189944134078214 , y : 192 } , { x : 32.37988826815643 , y : 192 } , { x : 48.56983240223464 , y : 192 } , { x : 64.75977653631286 , y : 192 } , { x : 80.94972067039106 , y : 192 } , { x : 97.13966480446928 , y : 192 } , { x : 113.32960893854748 , y : 192 } , { x : 129.5195530726257 , y : 192 } , { x : 145.70949720670393 , y : 192 } , { x : 161.89944134078212 , y : 192 } , { x : 178.08938547486034 , y : 192 } , { x : 194.27932960893855 , y : 192 } , { x : 210.46927374301674 , y : 192 } , { x : 226.65921787709496 , y : 192 } , { x : 242.84916201117318 , y : 192 } , { x : 259.0391061452514 , y : 192 } , { x : 275.2290502793296 , y : 192 } , { x : 291.41899441340786 , y : 192 } , { x : 307.60893854748605 , y : 192 } , { x : 323.79888268156424 , y : 192 } , { x : 339.9888268156424 , y : 192 } , { x : 356.1787709497207 , y : 192 } , { x : 372.36871508379886 , y : 192 } , { x : 388.5586592178771 , y : 192 } , { x : 404.7486033519553 , y : 192 } , { x : 414 , y : 192 } , ] ; test ( "parse()" , ( ) => { const path = "M150,0 C150,0 0,75 200,75 C75,200 200,225 200,225 C225,200 200,150 0,150" ; expect ( serialize ( parse ( path ) ) ) . toBe ( path ) ; } ) ; test ( "getYForX()" , ( ) => { const p1 = parse ( "M150,0 C150,0 0,75 200,75 C75,200 200,225 200,225 C225,200 200,150 0,150" ) ; expect ( getYForX ( p1 , 200 ) ) . toBe ( 75 ) ; expect ( getYForX ( p1 , 50 ) ) . toBe ( 151.160325 ) ; expect ( getYForX ( p1 , 750 ) ) . toBe ( null ) ; } ) ; test ( "getYForX2()" , ( ) => { const p1 = parse ( d1 ) ; expect ( getYForX ( p1 , 358.7 ) ) . toBeCloseTo ( 42.92573877023815 , 4 ) ; expect ( getYForX ( p1 , 358.8 ) ) . toBeCloseTo ( 42.90651208682783 , 4 ) ; expect ( getYForX ( p1 , 359 ) ) . toBeCloseTo ( 42.878457025833086 , 4 ) ; } ) ; test ( "getYForX3()" , ( ) => { const p2 = parse ( d2 ) ; expect ( getYForX ( p2 , 414 ) ) . toBe ( 15.75 ) ; } ) ; test ( "curveLines(simple)" , ( ) => { expect ( curveLines ( points , 0.1 , "simple" ) ) . toEqual ( parse ( "M 0,192 Q 7.285474860335196,192 16.189944134078214,192 Q 24.28491620111732,192 32.37988826815643,192 Q 40.47486033519553,192 48.56983240223464,192 Q 56.66480446927375,192 64.75977653631286,192 Q 72.85474860335196,192 80.94972067039106,192 Q 89.04469273743017,192 97.13966480446928,192 Q 105.23463687150837,192 113.32960893854748,192 Q 121.42458100558659,192 129.5195530726257,192 Q 137.6145251396648,192 145.70949720670393,192 Q 153.80446927374302,192 161.89944134078212,192 Q 169.99441340782124,192 178.08938547486034,192 Q 186.18435754189943,192 194.27932960893855,192 Q 202.37430167597765,192 210.46927374301674,192 Q 218.56424581005587,192 226.65921787709496,192 Q 234.75418994413405,192 242.84916201117318,192 Q 250.9441340782123,192 259.0391061452514,192 Q 267.13407821229055,192 275.2290502793296,192 Q 283.32402234636874,192 291.41899441340786,192 Q 299.5139664804469,192 307.60893854748605,192 Q 315.70391061452517,192 323.79888268156424,192 Q 331.8938547486033,192 339.9888268156424,192 Q 348.08379888268155,192 356.1787709497207,192 Q 364.2737430167598,192 372.36871508379886,192 Q 380.463687150838,192 388.5586592178771,192 Q 397.00055865921786,192 404.7486033519553,192 Q 410.1837988826816,192 414,192" ) ) ; } ) ; test ( "curveLines(complex)" , ( ) => { const referencePath = "M 0,192 C 1.6189944134078216,192 12.95195530726257,192 16.189944134078214,192 C 19.427932960893855,192 29.141899441340787,192 32.37988826815643,192 C 35.61787709497207,192 45.33184357541899,192 48.56983240223464,192 C 51.80782122905028,192 61.52178770949721,192 64.75977653631286,192 C 67.9977653631285,192 77.71173184357542,192 80.94972067039106,192 C 84.1877094972067,192 93.90167597765364,192 97.13966480446928,192 C 100.37765363128491,192 110.09162011173184,192 113.32960893854748,192 C 116.56759776536312,192 126.28156424581007,192 129.5195530726257,192 C 132.75754189944135,192 142.4715083798883,192 145.70949720670393,192 C 148.94748603351957,192 158.66145251396648,192 161.89944134078212,192 C 165.13743016759776,192 174.8513966480447,192 178.08938547486034,192 C 181.32737430167597,192 191.04134078212292,192 194.27932960893855,192 C 197.5173184357542,192 207.2312849162011,192 210.46927374301674,192 C 213.70726256983238,192 223.42122905027932,192 226.65921787709496,192 C 229.8972067039106,192 239.61117318435754,192 242.84916201117318,192 C 246.08715083798882,192 255.8011173184358,192 259.0391061452514,192 C 262.27709497206706,192 271.991061452514,192 275.2290502793296,192 C 278.46703910614525,192 288.1810055865922,192 291.41899441340786,192 C 294.6569832402235,192 304.3709497206704,192 307.60893854748605,192 C 310.8469273743017,192 320.5608938547486,192 323.79888268156424,192 C 327.0368715083799,192 336.7508379888268,192 339.9888268156424,192 C 343.22681564245806,192 352.94078212290503,192 356.1787709497207,192 C 359.4167597765363,192 369.1307262569832,192 372.36871508379886,192 C 375.6067039106145,192 385.32067039106147,192 388.5586592178771,192 C 391.79664804469274,192 402.20446927374303,192 404.7486033519553,192 C 407.29273743016756,192 413.0748603351955,192 414,192" ; expect ( ( ) => curveLines ( points , 0.1 , "complex" ) ) . not . toThrow ( ) ; expect ( curveLines ( points , 0.1 , "complex" ) ) . toEqual ( parse ( referencePath ) ) ; } ) ; test ( "curveLines(bezier)" , ( ) => { expect ( curveLines ( points , 0.1 , "bezier" ) ) . toEqual ( parse ( "M 0,192 C 0,192 0,192 2.698324022346369,192 C 5.396648044692738,192 10.793296089385477,192 16.189944134078214,192 C 21.586592178770953,192 26.983240223463692,192 32.37988826815643,192 C 37.77653631284917,192 43.173184357541906,192 48.569832402234645,192 C 53.96648044692737,192 59.363128491620124,192 64.75977653631286,192 C 70.1564245810056,192 75.55307262569833,192 80.94972067039106,192 C 86.34636871508378,192 91.74301675977654,192 97.13966480446926,192 C 102.53631284916202,192 107.93296089385474,192 113.3296089385475,192 C 118.72625698324022,192 124.12290502793297,192 129.5195530726257,192 C 134.91620111731845,192 140.3128491620112,192 145.70949720670393,192 C 151.10614525139667,192 156.50279329608938,192 161.89944134078212,192 C 167.29608938547486,192 172.69273743016757,192 178.08938547486034,192 C 183.48603351955308,192 188.88268156424581,192 194.27932960893858,192 C 199.6759776536313,192 205.072625698324,192 210.46927374301674,192 C 215.86592178770948,192 221.2625698324022,192 226.65921787709496,192 C 232.0558659217877,192 237.45251396648044,192 242.8491620111732,192 C 248.24581005586592,192 253.64245810055868,192 259.0391061452514,192 C 264.43575418994413,192 269.8324022346369,192 275.2290502793296,192 C 280.6256983240224,192 286.0223463687151,192 291.41899441340786,192 C 296.8156424581006,192 302.21229050279334,192 307.60893854748605,192 C 313.00558659217876,192 318.4022346368715,192 323.79888268156424,192 C 329.19553072625695,192 334.5921787709497,192 339.9888268156424,192 C 345.38547486033514,192 350.78212290502796,192 356.1787709497207,192 C 361.5754189944134,192 366.97206703910615,192 372.36871508379886,192 C 377.7653631284916,192 383.16201117318434,192 388.55865921787705,192 C 393.9553072625699,192 399.3519553072626,192 403.5921787709497,192 C414,192 414,192 414,192" ) ) ; } ) ;