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"use strict";
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var __extends = (this && this.__extends) || (function () {
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var extendStatics = function (d, b) {
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extendStatics = Object.setPrototypeOf ||
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({ __proto__: [] } instanceof Array && function (d, b) { d.__proto__ = b; }) ||
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function (d, b) { for (var p in b) if (Object.prototype.hasOwnProperty.call(b, p)) d[p] = b[p]; };
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return extendStatics(d, b);
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};
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return function (d, b) {
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if (typeof b !== "function" && b !== null)
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throw new TypeError("Class extends value " + String(b) + " is not a constructor or null");
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extendStatics(d, b);
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function __() { this.constructor = d; }
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d.prototype = b === null ? Object.create(b) : (__.prototype = b.prototype, new __());
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};
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})();
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var __awaiter = (this && this.__awaiter) || function (thisArg, _arguments, P, generator) {
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function adopt(value) { return value instanceof P ? value : new P(function (resolve) { resolve(value); }); }
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return new (P || (P = Promise))(function (resolve, reject) {
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function fulfilled(value) { try { step(generator.next(value)); } catch (e) { reject(e); } }
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function rejected(value) { try { step(generator["throw"](value)); } catch (e) { reject(e); } }
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function step(result) { result.done ? resolve(result.value) : adopt(result.value).then(fulfilled, rejected); }
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step((generator = generator.apply(thisArg, _arguments || [])).next());
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});
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};
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var __generator = (this && this.__generator) || function (thisArg, body) {
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var _ = { label: 0, sent: function() { if (t[0] & 1) throw t[1]; return t[1]; }, trys: [], ops: [] }, f, y, t, g;
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return g = { next: verb(0), "throw": verb(1), "return": verb(2) }, typeof Symbol === "function" && (g[Symbol.iterator] = function() { return this; }), g;
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function verb(n) { return function (v) { return step([n, v]); }; }
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function step(op) {
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if (f) throw new TypeError("Generator is already executing.");
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while (_) try {
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if (f = 1, y && (t = op[0] & 2 ? y["return"] : op[0] ? y["throw"] || ((t = y["return"]) && t.call(y), 0) : y.next) && !(t = t.call(y, op[1])).done) return t;
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if (y = 0, t) op = [op[0] & 2, t.value];
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switch (op[0]) {
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case 0: case 1: t = op; break;
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case 4: _.label++; return { value: op[1], done: false };
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case 5: _.label++; y = op[1]; op = [0]; continue;
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case 7: op = _.ops.pop(); _.trys.pop(); continue;
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default:
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if (!(t = _.trys, t = t.length > 0 && t[t.length - 1]) && (op[0] === 6 || op[0] === 2)) { _ = 0; continue; }
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if (op[0] === 3 && (!t || (op[1] > t[0] && op[1] < t[3]))) { _.label = op[1]; break; }
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if (op[0] === 6 && _.label < t[1]) { _.label = t[1]; t = op; break; }
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if (t && _.label < t[2]) { _.label = t[2]; _.ops.push(op); break; }
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if (t[2]) _.ops.pop();
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_.trys.pop(); continue;
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}
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op = body.call(thisArg, _);
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} catch (e) { op = [6, e]; y = 0; } finally { f = t = 0; }
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if (op[0] & 5) throw op[1]; return { value: op[0] ? op[1] : void 0, done: true };
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}
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};
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Object.defineProperty(exports, "__esModule", { value: true });
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exports.loadSerializedSVG = exports.ForeignObjectRenderer = void 0;
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var features_1 = require("../../core/features");
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var color_1 = require("../../css/types/color");
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var renderer_1 = require("../renderer");
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var ForeignObjectRenderer = /** @class */ (function (_super) {
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__extends(ForeignObjectRenderer, _super);
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function ForeignObjectRenderer(context, options) {
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var _this = _super.call(this, context, options) || this;
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_this.canvas = options.canvas ? options.canvas : document.createElement('canvas');
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_this.ctx = _this.canvas.getContext('2d');
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_this.options = options;
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_this.canvas.width = Math.floor(options.width * options.scale);
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_this.canvas.height = Math.floor(options.height * options.scale);
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_this.canvas.style.width = options.width + "px";
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_this.canvas.style.height = options.height + "px";
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_this.ctx.scale(_this.options.scale, _this.options.scale);
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_this.ctx.translate(-options.x, -options.y);
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_this.context.logger.debug("EXPERIMENTAL ForeignObject renderer initialized (" + options.width + "x" + options.height + " at " + options.x + "," + options.y + ") with scale " + options.scale);
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return _this;
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}
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ForeignObjectRenderer.prototype.render = function (element) {
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return __awaiter(this, void 0, void 0, function () {
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var svg, img;
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return __generator(this, function (_a) {
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switch (_a.label) {
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case 0:
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svg = features_1.createForeignObjectSVG(this.options.width * this.options.scale, this.options.height * this.options.scale, this.options.scale, this.options.scale, element);
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return [4 /*yield*/, exports.loadSerializedSVG(svg)];
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case 1:
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img = _a.sent();
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if (this.options.backgroundColor) {
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this.ctx.fillStyle = color_1.asString(this.options.backgroundColor);
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this.ctx.fillRect(0, 0, this.options.width * this.options.scale, this.options.height * this.options.scale);
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}
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this.ctx.drawImage(img, -this.options.x * this.options.scale, -this.options.y * this.options.scale);
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return [2 /*return*/, this.canvas];
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}
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});
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});
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};
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return ForeignObjectRenderer;
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}(renderer_1.Renderer));
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exports.ForeignObjectRenderer = ForeignObjectRenderer;
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var loadSerializedSVG = function (svg) {
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return new Promise(function (resolve, reject) {
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var img = new Image();
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img.onload = function () {
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resolve(img);
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};
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img.onerror = reject;
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img.src = "data:image/svg+xml;charset=utf-8," + encodeURIComponent(new XMLSerializer().serializeToString(svg));
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});
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};
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exports.loadSerializedSVG = loadSerializedSVG;
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//# sourceMappingURL=foreignobject-renderer.js.map
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+1
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