1 line
11 KiB
JSON
1 line
11 KiB
JSON
{"ast":null,"code":"import { __extends } from \"tslib\";\nimport Path from '../Path.js';\nimport * as vec2 from '../../core/vector.js';\nimport { quadraticSubdivide, cubicSubdivide, quadraticAt, cubicAt, quadraticDerivativeAt, cubicDerivativeAt } from '../../core/curve.js';\nvar out = [];\n\nvar BezierCurveShape = function () {\n function BezierCurveShape() {\n this.x1 = 0;\n this.y1 = 0;\n this.x2 = 0;\n this.y2 = 0;\n this.cpx1 = 0;\n this.cpy1 = 0;\n this.percent = 1;\n }\n\n return BezierCurveShape;\n}();\n\nexport { BezierCurveShape };\n\nfunction someVectorAt(shape, t, isTangent) {\n var cpx2 = shape.cpx2;\n var cpy2 = shape.cpy2;\n\n if (cpx2 != null || cpy2 != null) {\n return [(isTangent ? cubicDerivativeAt : cubicAt)(shape.x1, shape.cpx1, shape.cpx2, shape.x2, t), (isTangent ? cubicDerivativeAt : cubicAt)(shape.y1, shape.cpy1, shape.cpy2, shape.y2, t)];\n } else {\n return [(isTangent ? quadraticDerivativeAt : quadraticAt)(shape.x1, shape.cpx1, shape.x2, t), (isTangent ? quadraticDerivativeAt : quadraticAt)(shape.y1, shape.cpy1, shape.y2, t)];\n }\n}\n\nvar BezierCurve = function (_super) {\n __extends(BezierCurve, _super);\n\n function BezierCurve(opts) {\n return _super.call(this, opts) || this;\n }\n\n BezierCurve.prototype.getDefaultStyle = function () {\n return {\n stroke: '#000',\n fill: null\n };\n };\n\n BezierCurve.prototype.getDefaultShape = function () {\n return new BezierCurveShape();\n };\n\n BezierCurve.prototype.buildPath = function (ctx, shape) {\n var x1 = shape.x1;\n var y1 = shape.y1;\n var x2 = shape.x2;\n var y2 = shape.y2;\n var cpx1 = shape.cpx1;\n var cpy1 = shape.cpy1;\n var cpx2 = shape.cpx2;\n var cpy2 = shape.cpy2;\n var percent = shape.percent;\n\n if (percent === 0) {\n return;\n }\n\n ctx.moveTo(x1, y1);\n\n if (cpx2 == null || cpy2 == null) {\n if (percent < 1) {\n quadraticSubdivide(x1, cpx1, x2, percent, out);\n cpx1 = out[1];\n x2 = out[2];\n quadraticSubdivide(y1, cpy1, y2, percent, out);\n cpy1 = out[1];\n y2 = out[2];\n }\n\n ctx.quadraticCurveTo(cpx1, cpy1, x2, y2);\n } else {\n if (percent < 1) {\n cubicSubdivide(x1, cpx1, cpx2, x2, percent, out);\n cpx1 = out[1];\n cpx2 = out[2];\n x2 = out[3];\n cubicSubdivide(y1, cpy1, cpy2, y2, percent, out);\n cpy1 = out[1];\n cpy2 = out[2];\n y2 = out[3];\n }\n\n ctx.bezierCurveTo(cpx1, cpy1, cpx2, cpy2, x2, y2);\n }\n };\n\n BezierCurve.prototype.pointAt = function (t) {\n return someVectorAt(this.shape, t, false);\n };\n\n BezierCurve.prototype.tangentAt = function (t) {\n var p = someVectorAt(this.shape, t, true);\n return vec2.normalize(p, p);\n };\n\n return BezierCurve;\n}(Path);\n\n;\nBezierCurve.prototype.type = 'bezier-curve';\nexport default 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{ __extends } from \"tslib\";\r\nimport Path from '../Path.js';\r\nimport * as vec2 from '../../core/vector.js';\r\nimport { quadraticSubdivide, cubicSubdivide, quadraticAt, cubicAt, quadraticDerivativeAt, cubicDerivativeAt } from '../../core/curve.js';\r\nvar out = [];\r\nvar BezierCurveShape = (function () {\r\n function BezierCurveShape() {\r\n this.x1 = 0;\r\n this.y1 = 0;\r\n this.x2 = 0;\r\n this.y2 = 0;\r\n this.cpx1 = 0;\r\n this.cpy1 = 0;\r\n this.percent = 1;\r\n }\r\n return BezierCurveShape;\r\n}());\r\nexport { BezierCurveShape };\r\nfunction someVectorAt(shape, t, isTangent) {\r\n var cpx2 = shape.cpx2;\r\n var cpy2 = shape.cpy2;\r\n if (cpx2 != null || cpy2 != null) {\r\n return [\r\n (isTangent ? cubicDerivativeAt : cubicAt)(shape.x1, shape.cpx1, shape.cpx2, shape.x2, t),\r\n (isTangent ? cubicDerivativeAt : cubicAt)(shape.y1, shape.cpy1, shape.cpy2, shape.y2, t)\r\n ];\r\n }\r\n else {\r\n return [\r\n (isTangent ? quadraticDerivativeAt : quadraticAt)(shape.x1, shape.cpx1, shape.x2, t),\r\n (isTangent ? quadraticDerivativeAt : quadraticAt)(shape.y1, shape.cpy1, shape.y2, t)\r\n ];\r\n }\r\n}\r\nvar BezierCurve = (function (_super) {\r\n __extends(BezierCurve, _super);\r\n function BezierCurve(opts) {\r\n return _super.call(this, opts) || this;\r\n }\r\n BezierCurve.prototype.getDefaultStyle = function () {\r\n return {\r\n stroke: '#000',\r\n fill: null\r\n };\r\n };\r\n BezierCurve.prototype.getDefaultShape = function () {\r\n return new BezierCurveShape();\r\n };\r\n BezierCurve.prototype.buildPath = function (ctx, shape) {\r\n var x1 = shape.x1;\r\n var y1 = shape.y1;\r\n var x2 = shape.x2;\r\n var y2 = shape.y2;\r\n var cpx1 = shape.cpx1;\r\n var cpy1 = shape.cpy1;\r\n var cpx2 = shape.cpx2;\r\n var cpy2 = shape.cpy2;\r\n var percent = shape.percent;\r\n if (percent === 0) {\r\n return;\r\n }\r\n ctx.moveTo(x1, y1);\r\n if (cpx2 == null || cpy2 == null) {\r\n if (percent < 1) {\r\n quadraticSubdivide(x1, cpx1, x2, percent, out);\r\n cpx1 = out[1];\r\n x2 = out[2];\r\n quadraticSubdivide(y1, cpy1, y2, percent, out);\r\n cpy1 = out[1];\r\n y2 = out[2];\r\n }\r\n ctx.quadraticCurveTo(cpx1, cpy1, x2, y2);\r\n }\r\n else {\r\n if (percent < 1) {\r\n cubicSubdivide(x1, cpx1, cpx2, x2, percent, out);\r\n cpx1 = out[1];\r\n cpx2 = out[2];\r\n x2 = out[3];\r\n cubicSubdivide(y1, cpy1, cpy2, y2, percent, out);\r\n cpy1 = out[1];\r\n cpy2 = out[2];\r\n y2 = out[3];\r\n }\r\n ctx.bezierCurveTo(cpx1, cpy1, cpx2, cpy2, x2, y2);\r\n }\r\n };\r\n BezierCurve.prototype.pointAt = function (t) {\r\n return someVectorAt(this.shape, t, false);\r\n };\r\n BezierCurve.prototype.tangentAt = function (t) {\r\n var p = someVectorAt(this.shape, t, true);\r\n return vec2.normalize(p, p);\r\n };\r\n return BezierCurve;\r\n}(Path));\r\n;\r\nBezierCurve.prototype.type = 'bezier-curve';\r\nexport default BezierCurve;\r\n"]},"metadata":{},"sourceType":"module"} |