1 line
26 KiB
JSON
1 line
26 KiB
JSON
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{"ast":null,"code":"import * as matrix from './matrix.js';\nimport * as vector from './vector.js';\nvar mIdentity = matrix.identity;\nvar EPSILON = 5e-5;\n\nfunction isNotAroundZero(val) {\n return val > EPSILON || val < -EPSILON;\n}\n\nvar scaleTmp = [];\nvar tmpTransform = [];\nvar originTransform = matrix.create();\nvar abs = Math.abs;\n\nvar Transformable = function () {\n function Transformable() {}\n\n Transformable.prototype.getLocalTransform = function (m) {\n return Transformable.getLocalTransform(this, m);\n };\n\n Transformable.prototype.setPosition = function (arr) {\n this.x = arr[0];\n this.y = arr[1];\n };\n\n Transformable.prototype.setScale = function (arr) {\n this.scaleX = arr[0];\n this.scaleY = arr[1];\n };\n\n Transformable.prototype.setSkew = function (arr) {\n this.skewX = arr[0];\n this.skewY = arr[1];\n };\n\n Transformable.prototype.setOrigin = function (arr) {\n this.originX = arr[0];\n this.originY = arr[1];\n };\n\n Transformable.prototype.needLocalTransform = function () {\n return isNotAroundZero(this.rotation) || isNotAroundZero(this.x) || isNotAroundZero(this.y) || isNotAroundZero(this.scaleX - 1) || isNotAroundZero(this.scaleY - 1) || isNotAroundZero(this.skewX) || isNotAroundZero(this.skewY);\n };\n\n Transformable.prototype.updateTransform = function () {\n var parentTransform = this.parent && this.parent.transform;\n var needLocalTransform = this.needLocalTransform();\n var m = this.transform;\n\n if (!(needLocalTransform || parentTransform)) {\n m && mIdentity(m);\n return;\n }\n\n m = m || matrix.create();\n\n if (needLocalTransform) {\n this.getLocalTransform(m);\n } else {\n mIdentity(m);\n }\n\n if (parentTransform) {\n if (needLocalTransform) {\n matrix.mul(m, parentTransform, m);\n } else {\n matrix.copy(m, parentTransform);\n }\n }\n\n this.transform = m;\n\n this._resolveGlobalScaleRatio(m);\n };\n\n Transformable.prototype._resolveGlobalScaleRatio = function (m) {\n var globalScaleRatio = this.globalScaleRatio;\n\n if (globalScaleRatio != null && globalScaleRatio !== 1) {\n this.getGlobalScale(scaleTmp);\n var relX = scaleTmp[0] < 0 ? -1 : 1;\n var relY = scaleTmp[1] < 0 ? -1 : 1;\n var sx = ((scaleTmp[0] - relX) * globalScaleRatio + relX) / scaleTmp[0] || 0;\n var sy = ((scaleTmp[1] - relY) * globalScaleRatio + relY) / scaleTmp[1] || 0;\n m[0] *= sx;\n m[1] *= sx;\n m[2] *= sy;\n m[3] *= sy;\n }\n\n this.invTransform = this.invTransform || matrix.create();\n matrix.invert(this.invTransform, m);\n };\n\n Transformable.prototype.getComputedTransform = function () {\n var transformNode = this;\n var ancestors = [];\n\n while (transformNode) {\n ancestors.push(transformNode);\n transformNode = transformNode.parent;\n }\n\n while (transformNode = ancestors.pop()) {\n transformNode.updateTransform();\n }\n\n return this.transform;\n };\n\n Transformable.prototype.setLocalTransform = function (m) {\n if (!m) {\n return;\n }\n\n var sx = m[0] * m[0] + m[1] * m[1];\n var sy = m[2] * m[2] + m[3] * m[3];\n var rotation = Math.atan2(m[1], m[0]);\n var shearX = Math.PI / 2 + rotation - Math.atan2(m[3], m[2]);\n sy = Math.sqrt(sy) * Math.cos(shearX);\n sx = Math.sqrt(sx);\n this.skewX = shearX;\n this.skewY = 0;\n this.rotation = -rotation;\n this.x = +m[4];\n this.y = +m[5];\n this.scaleX = sx;\n this.scaleY = sy;\n this.originX = 0;\n this.originY = 0;\n };\n\n Transformable.prototype.decomposeTransform = function () {\n if (!this.transform) {\n return;\n }\n\n var parent = this.parent;\n var m = this.transform;\n\n if (parent && parent.transform) {\n matrix.mul(tmpTransform, parent.invTransform, m);\n m = tmpTransform;\n }\n\n var ox = this.originX;\n var oy = this.originY;\n\n if (ox || oy) {\n originTransform[4] = ox;\n originTransform[5] = o
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