105 lines
4.2 KiB
JavaScript
105 lines
4.2 KiB
JavaScript
"use strict";
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Object.defineProperty(exports, "__esModule", {
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value: true
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});
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exports["default"] = void 0;
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var _vecks = require("vecks");
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function _slicedToArray(arr, i) { return _arrayWithHoles(arr) || _iterableToArrayLimit(arr, i) || _unsupportedIterableToArray(arr, i) || _nonIterableRest(); }
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function _nonIterableRest() { throw new TypeError("Invalid attempt to destructure non-iterable instance.\nIn order to be iterable, non-array objects must have a [Symbol.iterator]() method."); }
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function _unsupportedIterableToArray(o, minLen) { if (!o) return; if (typeof o === "string") return _arrayLikeToArray(o, minLen); var n = Object.prototype.toString.call(o).slice(8, -1); if (n === "Object" && o.constructor) n = o.constructor.name; if (n === "Map" || n === "Set") return Array.from(o); if (n === "Arguments" || /^(?:Ui|I)nt(?:8|16|32)(?:Clamped)?Array$/.test(n)) return _arrayLikeToArray(o, minLen); }
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function _arrayLikeToArray(arr, len) { if (len == null || len > arr.length) len = arr.length; for (var i = 0, arr2 = new Array(len); i < len; i++) arr2[i] = arr[i]; return arr2; }
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function _iterableToArrayLimit(arr, i) { var _i = null == arr ? null : "undefined" != typeof Symbol && arr[Symbol.iterator] || arr["@@iterator"]; if (null != _i) { var _s, _e, _x, _r, _arr = [], _n = !0, _d = !1; try { if (_x = (_i = _i.call(arr)).next, 0 === i) { if (Object(_i) !== _i) return; _n = !1; } else for (; !(_n = (_s = _x.call(_i)).done) && (_arr.push(_s.value), _arr.length !== i); _n = !0); } catch (err) { _d = !0, _e = err; } finally { try { if (!_n && null != _i["return"] && (_r = _i["return"](), Object(_r) !== _r)) return; } finally { if (_d) throw _e; } } return _arr; } }
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function _arrayWithHoles(arr) { if (Array.isArray(arr)) return arr; }
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/**
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* Transform the bounding box and the SVG element by the given
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* transforms. The <g> element are created in reverse transform
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* order and the bounding box in the given order.
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*/
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var _default = function _default(bbox, element, transforms) {
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var transformedElement = '';
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var matrices = transforms.map(function (transform) {
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// Create the transformation matrix
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var tx = transform.x || 0;
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var ty = transform.y || 0;
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var sx = transform.scaleX || 1;
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var sy = transform.scaleY || 1;
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var angle = (transform.rotation || 0) / 180 * Math.PI;
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var cos = Math.cos,
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sin = Math.sin;
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var a, b, c, d, e, f;
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// In DXF an extrusionZ value of -1 denote a tranform around the Y axis.
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if (transform.extrusionZ === -1) {
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a = -sx * cos(angle);
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b = sx * sin(angle);
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c = sy * sin(angle);
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d = sy * cos(angle);
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e = -tx;
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f = ty;
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} else {
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a = sx * cos(angle);
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b = sx * sin(angle);
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c = -sy * sin(angle);
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d = sy * cos(angle);
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e = tx;
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f = ty;
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}
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return [a, b, c, d, e, f];
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});
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// Only transform the bounding box is it is valid (i.e. not Infinity)
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var transformedBBox = new _vecks.Box2();
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if (bbox.valid) {
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var bboxPoints = [{
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x: bbox.min.x,
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y: bbox.min.y
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}, {
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x: bbox.max.x,
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y: bbox.min.y
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}, {
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x: bbox.max.x,
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y: bbox.max.y
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}, {
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x: bbox.min.x,
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y: bbox.max.y
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}];
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matrices.forEach(function (_ref) {
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var _ref2 = _slicedToArray(_ref, 6),
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a = _ref2[0],
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b = _ref2[1],
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c = _ref2[2],
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d = _ref2[3],
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e = _ref2[4],
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f = _ref2[5];
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bboxPoints = bboxPoints.map(function (point) {
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return {
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x: point.x * a + point.y * c + e,
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y: point.x * b + point.y * d + f
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};
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});
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});
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transformedBBox = bboxPoints.reduce(function (acc, point) {
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return acc.expandByPoint(point);
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}, new _vecks.Box2());
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}
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matrices.reverse();
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matrices.forEach(function (_ref3) {
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var _ref4 = _slicedToArray(_ref3, 6),
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a = _ref4[0],
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b = _ref4[1],
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c = _ref4[2],
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d = _ref4[3],
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e = _ref4[4],
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f = _ref4[5];
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transformedElement += "<g transform=\"matrix(".concat(a, " ").concat(b, " ").concat(c, " ").concat(d, " ").concat(e, " ").concat(f, ")\">");
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});
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transformedElement += element;
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matrices.forEach(function (transform) {
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transformedElement += '</g>';
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});
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return {
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bbox: transformedBBox,
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element: transformedElement
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};
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};
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exports["default"] = _default; |