forked from MapComplete/MapComplete
		
	
		
			
				
	
	
		
			948 lines
		
	
	
	
		
			35 KiB
		
	
	
	
		
			TypeScript
		
	
	
	
	
	
			
		
		
	
	
			948 lines
		
	
	
	
		
			35 KiB
		
	
	
	
		
			TypeScript
		
	
	
	
	
	
import jsPDF, {Matrix} from "jspdf";
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import {Translation, TypedTranslation} from "../UI/i18n/Translation";
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import FeaturePipelineState from "../Logic/State/FeaturePipelineState";
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import {PngMapCreator} from "./pngMapCreator";
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import {AllKnownLayouts} from "../Customizations/AllKnownLayouts";
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import {Store} from "../Logic/UIEventSource";
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import "../assets/templates/Ubuntu-M-normal.js"
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import "../assets/templates/Ubuntu-L-normal.js"
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import "../assets/templates/UbuntuMono-B-bold.js"
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import {makeAbsolute, parseSVG} from 'svg-path-parser';
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import Translations from "../UI/i18n/Translations";
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import {Utils} from "../Utils";
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import Constants from "../Models/Constants";
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import Hash from "../Logic/Web/Hash";
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class SvgToPdfInternals {
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    private readonly doc: jsPDF;
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    private static readonly dummyDoc: jsPDF = new jsPDF()
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    private readonly matrices: Matrix[] = []
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    private readonly matricesInverted: Matrix[] = []
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    private currentMatrix: Matrix;
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    private currentMatrixInverted: Matrix;
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    private readonly _images: Record<string, HTMLImageElement>;
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    private readonly _rects: Record<string, SVGRectElement>;
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    private readonly extractTranslation: (string) => string;
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    constructor(advancedApi: jsPDF, images: Record<string, HTMLImageElement>, rects: Record<string, SVGRectElement>, extractTranslation: (string) => string) {
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        this.doc = advancedApi;
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        this._images = images;
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        this._rects = rects;
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        this.extractTranslation = s => extractTranslation(s)?.replace(/ /g, " ");
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        this.currentMatrix = this.doc.unitMatrix;
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        this.currentMatrixInverted = this.doc.unitMatrix;
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    }
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    applyMatrices(): void {
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        let multiplied = this.doc.unitMatrix;
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        let multipliedInv = this.doc.unitMatrix;
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        for (const matrix of this.matrices) {
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            multiplied = this.doc.matrixMult(multiplied, matrix)
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        }
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        for (const matrix of this.matricesInverted) {
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            multipliedInv = this.doc.matrixMult(multiplied, matrix)
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        }
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        this.currentMatrix = multiplied
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        this.currentMatrixInverted = multipliedInv
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    }
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    addMatrix(m: Matrix) {
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        this.matrices.push(m)
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        this.matricesInverted.push(m.inversed())
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        this.doc.setCurrentTransformationMatrix(m);
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        this.applyMatrices()
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    }
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    public static extractMatrix(element: Element): Matrix {
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        const t = element.getAttribute("transform")
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        if (t === null) {
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            return null;
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        }
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        const scaleMatch = t.match(/scale\(([-0-9.]+)\)/)
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        if (scaleMatch !== null) {
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            const s = Number(scaleMatch[1])
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            return SvgToPdfInternals.dummyDoc.Matrix(1 / s, 0, 0, 1 / s, 0, 0);
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        }
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        const translateMatch = t.match(/translate\(([-0-9.]+), ?([-0-9.]*)\)/)
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        if (translateMatch !== null) {
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            const dx = Number(translateMatch[1])
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            const dy = Number(translateMatch[2])
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            console.log("Translating", dx, dy)
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            return SvgToPdfInternals.dummyDoc.Matrix(1, 0, 0, 1, dx, dy);
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        }
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        const transformMatch = t.match(/matrix\(([-0-9.]*),([-0-9.]*),([-0-9.]*),([-0-9.]*),([-0-9.]*),([-0-9.]*)\)/)
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        if (transformMatch !== null) {
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            const vals = [1, 0, 0, 1, 0, 0]
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            const invVals = [1, 0, 0, 1, 0, 0]
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            for (let i = 0; i < 6; i++) {
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                const ti = Number(transformMatch[i + 1])
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                if (ti == 0) {
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                    vals[i] = 0
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                } else {
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                    invVals[i] = 1 / ti
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                    vals[i] = ti
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                }
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            }
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            return SvgToPdfInternals.dummyDoc.Matrix(vals[0], vals[1], vals[2], vals[3], vals[4], vals[5]);
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        }
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        return null;
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    }
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    public setTransform(element: Element): boolean {
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        const m = SvgToPdfInternals.extractMatrix(element)
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        if (m === null) {
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            return false;
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        }
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        this.addMatrix(m)
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        return true;
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    }
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    public undoTransform(): void {
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        this.matrices.pop()
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        const i = this.matricesInverted.pop()
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        this.doc.setCurrentTransformationMatrix(i)
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        this.applyMatrices()
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    }
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    public static parseCss(styleContent: string, separator: string = ";"): Record<string, string> {
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        if (styleContent === undefined || styleContent === null) {
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            return {}
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        }
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        const r: Record<string, string> = {}
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        for (const rule of styleContent.split(separator)) {
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            const [k, v] = rule.split(":").map(x => x.trim())
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            r[k] = v
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        }
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        return r
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    };
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    private drawRect(element: SVGRectElement) {
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        const x = Number(element.getAttribute("x"))
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        const y = Number(element.getAttribute("y"))
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        const width = Number(element.getAttribute("width"))
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        const height = Number(element.getAttribute("height"))
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        const ry = SvgToPdfInternals.attrNumber(element, "ry", false) ?? 0
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        const rx = SvgToPdfInternals.attrNumber(element, "rx", false) ?? 0
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        const css = SvgToPdfInternals.css(element)
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        if (css["fill-opacity"] !== "0" && css["fill"] !== "none") {
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            this.doc.setFillColor(css["fill"] ?? "black")
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            this.doc.roundedRect(x, y, width, height, rx, ry, "F")
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        }
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        if (css["stroke"] && css["stroke"] !== "none") {
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            this.doc.setLineWidth(Number(css["stroke-width"] ?? 1))
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            this.doc.setDrawColor(css["stroke"] ?? "black")
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            this.doc.roundedRect(x, y, width, height, rx, ry, "S")
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        }
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        return
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    }
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    private drawCircle(element: SVGCircleElement) {
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        const x = Number(element.getAttribute("cx"))
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        const y = Number(element.getAttribute("cy"))
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        const r = Number(element.getAttribute("r"))
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        const css = SvgToPdfInternals.css(element)
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        if (css["fill-opacity"] !== "0" && css["fill"] !== "none") {
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            this.doc.setFillColor(css["fill"] ?? "black")
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            this.doc.circle(x, y, r, "F")
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        }
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        if (css["stroke"] && css["stroke"] !== "none") {
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            this.doc.setLineWidth(Number(css["stroke-width"] ?? 1))
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            this.doc.setDrawColor(css["stroke"] ?? "black")
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            this.doc.circle(x, y, r, "S")
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        }
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        return
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    }
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    private static attr(element: Element, name: string, recurseup: boolean = true): string | undefined {
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        if (element === null || element === undefined) {
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            return undefined
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        }
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        const a = element.getAttribute(name)
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        if (a !== null && a !== undefined) {
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            return a
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        }
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        if (recurseup && element.parentElement !== undefined && element.parentElement !== element) {
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            return SvgToPdfInternals.attr(element.parentElement, name, recurseup)
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        }
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        return undefined
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    }
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    /**
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     * Reads the 'style'-element recursively
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     * @param element
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     * @private
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     */
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    private static css(element: Element): Record<string, string> {
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        if (element.parentElement == undefined || element.parentElement == element) {
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            return SvgToPdfInternals.parseCss(element.getAttribute("style"))
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        }
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        const css = SvgToPdfInternals.css(element.parentElement);
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        const style = element.getAttribute("style")
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        if (style === undefined || style == null) {
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            return css
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        }
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        for (const rule of style.split(";")) {
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            const [k, v] = rule.split(":").map(x => x.trim())
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            css[k] = v
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        }
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        return css
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    }
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    static attrNumber(element: Element, name: string, recurseup: boolean = true): number {
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        const a = SvgToPdfInternals.attr(element, name, recurseup)
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        const n = parseFloat(a)
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        if (!isNaN(n)) {
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            return n
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        }
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        return undefined
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    }
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    private drawTspan(tspan: Element) {
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        if (tspan.textContent == "") {
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            return
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        }
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        const x = SvgToPdfInternals.attrNumber(tspan, "x")
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        const y = SvgToPdfInternals.attrNumber(tspan, "y")
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        const css = SvgToPdfInternals.css(tspan)
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        let maxWidth: number = undefined
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        if (css["shape-inside"]) {
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            const matched = css["shape-inside"].match(/url\(#([a-zA-Z0-9-]+)\)/)
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            if (matched !== null) {
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                const rectId = matched[1]
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                const rect = this._rects[rectId]
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                maxWidth = SvgToPdfInternals.attrNumber(rect, "width", false)
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            }
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        }
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        let fontFamily = css["font-family"] ?? "Ubuntu";
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        if (fontFamily === "sans-serif") {
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            fontFamily = "Ubuntu"
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        }
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        let fontWeight = css["font-weight"] ?? "normal";
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        this.doc.setFont(fontFamily, fontWeight)
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        const fontColor = css["fill"]
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        if (fontColor) {
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            this.doc.setTextColor(fontColor)
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        } else {
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            this.doc.setTextColor("black")
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        }
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        let fontsize = parseFloat(css["font-size"])
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        this.doc.setFontSize(fontsize * 2.5)
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        let textTemplate = tspan.textContent.split(" ")
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        let result: string = ""
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        let addSpace = false
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        for (let text of textTemplate) {
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            if (text === "\\n") {
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                result += "\n"
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                addSpace = false
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                continue
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            }
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            if (text === "\\n\\n") {
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                result += "\n\n"
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                addSpace = false
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                continue
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            }
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            if (!text.startsWith("$")) {
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                if (addSpace) {
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                    result += " "
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                }
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                result += text
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                addSpace = true
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                continue
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            }
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            const list = text.match(/\$list\(([a-zA-Z0-9_.-]+)\)/)
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            if (list) {
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                const key = list[1]
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                console.log("Generating a list with key" + key)
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                let r = this.extractTranslation("$" + key + "0");
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                let i = 0
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                result += "\n"
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                while (r !== undefined && i < 100) {
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                    result += "• " + r + "\n"
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                    i++
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                    r = this.extractTranslation("$" + key + i);
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                }
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                result += "\n"
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                addSpace = false
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            } else {
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                const found = this.extractTranslation(text) ?? text
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                if (addSpace) {
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                    result += " "
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                }
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                result += found
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                addSpace = true
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            }
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        }
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        this.doc.text(result, x, y, {
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            maxWidth,
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        }, this.currentMatrix)
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    }
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    private drawSvgViaCanvas(element: Element): void {
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        const x = SvgToPdfInternals.attrNumber(element, "x")
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        const y = SvgToPdfInternals.attrNumber(element, "y")
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        const width = SvgToPdfInternals.attrNumber(element, "width")
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        const height = SvgToPdfInternals.attrNumber(element, "height")
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        const base64src = SvgToPdfInternals.attr(element, "xlink:href")
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        const svgXml = atob(base64src.substring(base64src.indexOf(";base64,") + ";base64,".length));
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        const parser = new DOMParser();
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        const xmlDoc = parser.parseFromString(svgXml, "text/xml");
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        const svgRoot = xmlDoc.getElementsByTagName("svg")[0];
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        const svgWidth = SvgToPdfInternals.attrNumber(svgRoot, "width")
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        const svgHeight = SvgToPdfInternals.attrNumber(svgRoot, "height")
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        let img = this._images[base64src]
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        // This is an svg image, we use the canvas to convert it to a png
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        const canvas = document.createElement("canvas")
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        const ctx = canvas.getContext("2d")
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        canvas.width = svgWidth
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        canvas.height = svgHeight
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        img.style.width = `${(svgWidth)}px`
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        img.style.height = `${(svgHeight)}px`
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        ctx.drawImage(img, 0, 0, svgWidth, svgHeight)
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        const base64img = canvas.toDataURL("image/png")
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        this.addMatrix(this.doc.Matrix(width / svgWidth, 0, 0, height / svgHeight, 0, 0))
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        const p = this.currentMatrixInverted.applyToPoint({x, y})
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        this.doc.addImage(base64img, "png", p.x * svgWidth / width, p.y * svgHeight / height, svgWidth, svgHeight)
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        this.undoTransform()
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    }
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    private drawImage(element: Element): void {
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        const href = SvgToPdfInternals.attr(element, "xlink:href")
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        if (href.endsWith('svg') || href.startsWith("data:image/svg")) {
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            this.drawSvgViaCanvas(element);
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        } else {
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            const x = SvgToPdfInternals.attrNumber(element, "x")
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            const y = SvgToPdfInternals.attrNumber(element, "y")
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            const width = SvgToPdfInternals.attrNumber(element, "width")
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            const height = SvgToPdfInternals.attrNumber(element, "height")
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            const base64src = SvgToPdfInternals.attr(element, "xlink:href")
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            this.doc.addImage(base64src, x, y, width, height)
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        }
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    }
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    private drawPath(element: SVGPathElement): void {
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        const path = element.getAttribute("d")
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        const parsed: { code: string, x: number, y: number, x2?, y2?, x1?, y1? }[] = parseSVG(path)
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        makeAbsolute(parsed)
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        for (const c of parsed) {
 | 
						|
            if (c.code === "C" || c.code === "c") {
 | 
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                const command = {op: "c", c: [c.x1, c.y1, c.x2, c.y2, c.x, c.y]}
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                this.doc.path([command])
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                continue
 | 
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            }
 | 
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 | 
						|
            if (c.code === "H") {
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                const command = {op: "l", c: [c.x, c.y]}
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                this.doc.path([command])
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                continue
 | 
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            }
 | 
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 | 
						|
            if (c.code === "V") {
 | 
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                const command = {op: "l", c: [c.x, c.y]}
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                this.doc.path([command])
 | 
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                continue
 | 
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            }
 | 
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 | 
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            this.doc.path([{op: c.code.toLowerCase(), c: [c.x, c.y]}])
 | 
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        }
 | 
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//"fill:#ffffff;stroke:#000000;stroke-width:0.8;stroke-linecap:round;stroke-linejoin:round;stroke-miterlimit:20"
 | 
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 | 
						|
        const css = SvgToPdfInternals.css(element)
 | 
						|
        if (css["color"] && css["color"].toLowerCase() !== "none") {
 | 
						|
            this.doc.setDrawColor(css["color"])
 | 
						|
        }
 | 
						|
        if (css["stroke-width"]) {
 | 
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            this.doc.setLineWidth(parseFloat(css["stroke-width"]))
 | 
						|
        }
 | 
						|
        if (css["stroke-linejoin"] !== undefined) {
 | 
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            this.doc.setLineJoin(css["stroke-linejoin"])
 | 
						|
        }
 | 
						|
        let doFill = false
 | 
						|
        if (css["fill-rule"] === "evenodd") {
 | 
						|
            this.doc.fillEvenOdd()
 | 
						|
        } else if (css["fill"] && css["fill"] !== "none") {
 | 
						|
            this.doc.setFillColor(css["fill"])
 | 
						|
            doFill = true
 | 
						|
        }
 | 
						|
 | 
						|
        if (css["stroke"] && css["stroke"] !== "none") {
 | 
						|
            this.doc.setDrawColor(css["stroke"])
 | 
						|
            if (doFill) {
 | 
						|
                this.doc.fillStroke()
 | 
						|
            } else {
 | 
						|
                this.doc.stroke()
 | 
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            }
 | 
						|
        } else if (doFill) {
 | 
						|
            this.doc.fill()
 | 
						|
        }
 | 
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    }
 | 
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 | 
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    public handleElement(element: SVGSVGElement | Element): void {
 | 
						|
        const isTransformed = this.setTransform(element)
 | 
						|
        try {
 | 
						|
 | 
						|
            if (element.tagName === "tspan") {
 | 
						|
                if (element.childElementCount == 0) {
 | 
						|
                    this.drawTspan(element)
 | 
						|
                } else {
 | 
						|
                    for (let child of Array.from(element.children)) {
 | 
						|
                        this.handleElement(child)
 | 
						|
                    }
 | 
						|
                }
 | 
						|
            }
 | 
						|
 | 
						|
            if (element.tagName === "image") {
 | 
						|
                this.drawImage(element)
 | 
						|
            }
 | 
						|
 | 
						|
            if (element.tagName === "path") {
 | 
						|
                this.drawPath(<any>element)
 | 
						|
            }
 | 
						|
 | 
						|
            if (element.tagName === "g" || element.tagName === "text") {
 | 
						|
 | 
						|
                for (let child of Array.from(element.children)) {
 | 
						|
                    this.handleElement(child)
 | 
						|
                }
 | 
						|
            }
 | 
						|
 | 
						|
            if (element.tagName === "rect") {
 | 
						|
                this.drawRect(<any>element)
 | 
						|
            }
 | 
						|
 | 
						|
            if (element.tagName === "circle") {
 | 
						|
                this.drawCircle(<any>element)
 | 
						|
            }
 | 
						|
 | 
						|
        } catch (e) {
 | 
						|
            console.error("Could not handle element", element, "due to", e)
 | 
						|
        }
 | 
						|
        if (isTransformed) {
 | 
						|
            this.undoTransform()
 | 
						|
        }
 | 
						|
    }
 | 
						|
 | 
						|
    /**
 | 
						|
     * Helper function to calculate where the given point will end up.
 | 
						|
     * ALl the transforms of the parent elements are taking into account
 | 
						|
     * @param mapSpec
 | 
						|
     * @constructor
 | 
						|
     */
 | 
						|
    static GetActualXY(mapSpec: SVGTSpanElement): { x: number, y: number } {
 | 
						|
        let runningM = SvgToPdfInternals.dummyDoc.unitMatrix
 | 
						|
 | 
						|
        let e: Element = mapSpec
 | 
						|
        do {
 | 
						|
            const m = SvgToPdfInternals.extractMatrix(e)
 | 
						|
            if (m !== null) {
 | 
						|
                runningM = SvgToPdfInternals.dummyDoc.matrixMult(runningM, m)
 | 
						|
            }
 | 
						|
            e = e.parentElement
 | 
						|
        } while (e !== null && e.parentElement != e)
 | 
						|
 | 
						|
        const x = SvgToPdfInternals.attrNumber(mapSpec, "x")
 | 
						|
        const y = SvgToPdfInternals.attrNumber(mapSpec, "y")
 | 
						|
        return runningM.applyToPoint({x, y})
 | 
						|
    }
 | 
						|
}
 | 
						|
 | 
						|
export interface SvgToPdfOptions {
 | 
						|
    getFreeDiv: () => string,
 | 
						|
    disableMaps?: false | true
 | 
						|
    textSubstitutions?: Record<string, string>,
 | 
						|
    beforePage?: (i: number) => void,
 | 
						|
    overrideLocation?: { lat: number, lon: number }
 | 
						|
}
 | 
						|
 | 
						|
 | 
						|
export class SvgToPdfPage {
 | 
						|
 | 
						|
    private images: Record<string, HTMLImageElement> = {}
 | 
						|
    private rects: Record<string, SVGRectElement> = {}
 | 
						|
    public readonly _svgRoot: SVGSVGElement;
 | 
						|
    public readonly currentState: Store<string>
 | 
						|
    private readonly importedTranslations: Record<string, string> = {}
 | 
						|
    private readonly layerTranslations: Record<string, Record<string, any>> = {}
 | 
						|
    private readonly options: SvgToPdfOptions
 | 
						|
 | 
						|
    constructor(page: string, options?: SvgToPdfOptions) {
 | 
						|
        this.options = options ?? (<SvgToPdfOptions>{})
 | 
						|
        const parser = new DOMParser();
 | 
						|
        const xmlDoc = parser.parseFromString(page, "image/svg+xml");
 | 
						|
        this._svgRoot = xmlDoc.getElementsByTagName("svg")[0];
 | 
						|
 | 
						|
    }
 | 
						|
 | 
						|
    private loadImage(element: Element): Promise<void> {
 | 
						|
        const xlink = element.getAttribute("xlink:href")
 | 
						|
        let img = document.createElement("img")
 | 
						|
 | 
						|
        if (xlink.startsWith("data:image/svg+xml;")) {
 | 
						|
            const base64src = xlink;
 | 
						|
            let svgXml = atob(base64src.substring(base64src.indexOf(";base64,") + ";base64,".length));
 | 
						|
            const parser = new DOMParser();
 | 
						|
            const xmlDoc = parser.parseFromString(svgXml, "text/xml");
 | 
						|
            const svgRoot = xmlDoc.getElementsByTagName("svg")[0];
 | 
						|
            const svgWidthStr = svgRoot.getAttribute("width")
 | 
						|
            const svgHeightStr = svgRoot.getAttribute("height")
 | 
						|
            const svgWidth = parseFloat(svgWidthStr)
 | 
						|
            const svgHeight = parseFloat(svgHeightStr)
 | 
						|
            if (!svgWidthStr.endsWith("px")) {
 | 
						|
                svgRoot.setAttribute("width", svgWidth + "px")
 | 
						|
            }
 | 
						|
            if (!svgHeightStr.endsWith("px")) {
 | 
						|
                svgRoot.setAttribute("height", svgHeight + "px")
 | 
						|
            }
 | 
						|
            img.src = "data:image/svg+xml;base64," + btoa(svgRoot.outerHTML)
 | 
						|
        } else {
 | 
						|
            img.src = xlink
 | 
						|
        }
 | 
						|
 | 
						|
        this.images[xlink] = img
 | 
						|
        return new Promise((resolve) => {
 | 
						|
            img.onload = _ => {
 | 
						|
                resolve()
 | 
						|
            }
 | 
						|
 | 
						|
        })
 | 
						|
    }
 | 
						|
 | 
						|
    public extractTranslations(): Set<string> {
 | 
						|
        const textContents: string[] = Array.from(this._svgRoot.getElementsByTagName("tspan"))
 | 
						|
            .map(t => t.textContent)
 | 
						|
        const translations = new Set<string>()
 | 
						|
        console.log("Extracting translations, contents are", textContents)
 | 
						|
        for (const tc of textContents) {
 | 
						|
            const parts = tc.split(" ").filter(p => p.startsWith("$") && p.indexOf("(") < 0)
 | 
						|
            for (let part of parts) {
 | 
						|
                part = part.substring(1) // Drop the $
 | 
						|
                let path = part.split(".")
 | 
						|
                const importPath = this.importedTranslations[path[0]]
 | 
						|
                if (importPath) {
 | 
						|
                    translations.add(importPath + "." + path.slice(1).join("."))
 | 
						|
                } else {
 | 
						|
                    translations.add(part)
 | 
						|
                }
 | 
						|
            }
 | 
						|
        }
 | 
						|
        console.log("Translations keys are", translations)
 | 
						|
        return translations
 | 
						|
    }
 | 
						|
 | 
						|
    public async prepareElement(element: SVGSVGElement | Element, mapTextSpecs: SVGTSpanElement[]): Promise<void> {
 | 
						|
        if (element.tagName === "rect") {
 | 
						|
            this.rects[element.id] = <SVGRectElement>element;
 | 
						|
        }
 | 
						|
 | 
						|
        if (element.tagName === "image") {
 | 
						|
            await this.loadImage(element)
 | 
						|
        }
 | 
						|
 | 
						|
        if (element.tagName === "tspan" && element.childElementCount == 0) {
 | 
						|
            const specialValues = element.textContent.split(" ").filter(t => t.startsWith("$"))
 | 
						|
            for (let specialValue of specialValues) {
 | 
						|
                const importMatch = element.textContent.match(/\$import ([a-zA-Z-_0-9.? ]+) as ([a-zA-Z0-9]+)/)
 | 
						|
                if (importMatch !== null) {
 | 
						|
                    const [, pathRaw, as] = importMatch
 | 
						|
                    this.importedTranslations[as] = pathRaw
 | 
						|
                }
 | 
						|
                const setPropertyMatch = element.textContent.match(/\$set\(([a-zA-Z-_0-9.?:]+),(.+)\)/)
 | 
						|
                if (setPropertyMatch) {
 | 
						|
                    this.options.textSubstitutions[setPropertyMatch[1].trim()] = setPropertyMatch[2].trim()
 | 
						|
                    console.log("Setting a property:", setPropertyMatch, this.options.textSubstitutions)
 | 
						|
                }
 | 
						|
                if (element.textContent.startsWith("$map(")) {
 | 
						|
                    mapTextSpecs.push(<any>element)
 | 
						|
                }
 | 
						|
            }
 | 
						|
        }
 | 
						|
 | 
						|
        if (element.tagName === "g" || element.tagName === "text" || element.tagName === "tspan" || element.tagName === "defs") {
 | 
						|
 | 
						|
            for (let child of Array.from(element.children)) {
 | 
						|
                await this.prepareElement(child, mapTextSpecs)
 | 
						|
            }
 | 
						|
        }
 | 
						|
 | 
						|
    }
 | 
						|
 | 
						|
    private _isPrepared = false;
 | 
						|
 | 
						|
    private async prepareMap(mapSpec: SVGTSpanElement,): Promise<void> {
 | 
						|
        // Upper left point of the tspan
 | 
						|
        const {x, y} = SvgToPdfInternals.GetActualXY(mapSpec)
 | 
						|
 | 
						|
        let textElement: Element = mapSpec
 | 
						|
        // We recurse up to get the actual, full specification
 | 
						|
        while (textElement.tagName !== "text") {
 | 
						|
            textElement = textElement.parentElement
 | 
						|
        }
 | 
						|
        const spec = textElement.textContent
 | 
						|
        const match = spec.match(/\$map\(([^)]+)\)$/)
 | 
						|
        if (match === null) {
 | 
						|
            throw "Invalid mapspec:" + spec
 | 
						|
        }
 | 
						|
        const params = SvgToPdfInternals.parseCss(match[1], ",")
 | 
						|
 | 
						|
        let smallestRect: SVGRectElement = undefined
 | 
						|
        let smallestSurface: number = undefined;
 | 
						|
        // We iterate over all the rectangles and pick the smallest (by surface area) that contains the upper left point of the tspan
 | 
						|
        for (const id in this.rects) {
 | 
						|
            const rect = this.rects[id]
 | 
						|
            const rx = SvgToPdfInternals.attrNumber(rect, "x")
 | 
						|
            const ry = SvgToPdfInternals.attrNumber(rect, "y")
 | 
						|
            const w = SvgToPdfInternals.attrNumber(rect, "width")
 | 
						|
            const h = SvgToPdfInternals.attrNumber(rect, "height")
 | 
						|
            const inBounds = rx <= x && x <= rx + w && ry <= y && y <= ry + h
 | 
						|
            if (!inBounds) {
 | 
						|
                continue
 | 
						|
            }
 | 
						|
            const surface = w * h
 | 
						|
            if (smallestSurface === undefined || smallestSurface > surface) {
 | 
						|
                smallestSurface = surface
 | 
						|
                smallestRect = rect
 | 
						|
            }
 | 
						|
 | 
						|
        }
 | 
						|
 | 
						|
        if (smallestRect === undefined) {
 | 
						|
            throw "No rectangle found around " + spec + ". Draw a rectangle around it, the map will be projected on that one"
 | 
						|
        }
 | 
						|
 | 
						|
        const svgImage = document.createElement('image')
 | 
						|
        svgImage.setAttribute("x", smallestRect.getAttribute("x"))
 | 
						|
        svgImage.setAttribute("y", smallestRect.getAttribute("y"))
 | 
						|
        const width = SvgToPdfInternals.attrNumber(smallestRect, "width")
 | 
						|
        const height = SvgToPdfInternals.attrNumber(smallestRect, "height")
 | 
						|
        svgImage.setAttribute("width", "" + width)
 | 
						|
        svgImage.setAttribute("height", "" + height)
 | 
						|
 | 
						|
        let layout = AllKnownLayouts.allKnownLayouts.get(params["theme"])
 | 
						|
        if (layout === undefined) {
 | 
						|
            console.error("Could not show map with parameters", params)
 | 
						|
            throw "Theme not found:" + params["theme"] + ". Use theme: to define which theme to use. "
 | 
						|
        }
 | 
						|
        layout.widenFactor = 0
 | 
						|
        layout.overpassTimeout = 600
 | 
						|
        layout.defaultBackgroundId = params["background"] ?? layout.defaultBackgroundId
 | 
						|
        for (const paramsKey in params) {
 | 
						|
            if (paramsKey.startsWith("layer-")) {
 | 
						|
                const layerName = paramsKey.substring("layer-".length)
 | 
						|
                const key = params[paramsKey].toLowerCase().trim()
 | 
						|
                const layer = layout.layers.find(l => l.id === layerName)
 | 
						|
                if (layer === undefined) {
 | 
						|
                    throw "No layer found for " + paramsKey
 | 
						|
                }
 | 
						|
                if (key === "force") {
 | 
						|
                    layer.minzoom = 0
 | 
						|
                    layer.minzoomVisible = 0
 | 
						|
                }
 | 
						|
            }
 | 
						|
        }
 | 
						|
        const zoom = Number(params["zoom"] ?? params["z"] ?? 14);
 | 
						|
 | 
						|
        Hash.hash.setData(undefined)
 | 
						|
        //  QueryParameters.ClearAll()
 | 
						|
 | 
						|
        const state = new FeaturePipelineState(layout)
 | 
						|
        state.locationControl.setData({
 | 
						|
            zoom,
 | 
						|
            lat: this.options?.overrideLocation?.lat ?? Number(params["lat"] ?? 51.05016),
 | 
						|
            lon: this.options?.overrideLocation?.lon ?? Number(params["lon"] ?? 3.717842)
 | 
						|
        })
 | 
						|
 | 
						|
        console.log("Params are", params, params["layers"] === "none")
 | 
						|
 | 
						|
        const fl = state.filteredLayers.data
 | 
						|
        for (const filteredLayer of fl) {
 | 
						|
            if (params["layer-" + filteredLayer.layerDef.id] !== undefined) {
 | 
						|
                filteredLayer.isDisplayed.setData(params["layer-" + filteredLayer.layerDef.id].trim().toLowerCase() !== "false")
 | 
						|
            } else if (params["layers"] === "none") {
 | 
						|
                filteredLayer.isDisplayed.setData(false)
 | 
						|
            } else if (filteredLayer.layerDef.id.startsWith("note_import")) {
 | 
						|
                filteredLayer.isDisplayed.setData(false)
 | 
						|
            }
 | 
						|
        }
 | 
						|
 | 
						|
        for (const paramsKey in params) {
 | 
						|
            if (paramsKey.startsWith("layer-")) {
 | 
						|
                const layerName = paramsKey.substring("layer-".length)
 | 
						|
                const key = params[paramsKey].toLowerCase().trim()
 | 
						|
                const isDisplayed = key === "true" || key === "force";
 | 
						|
                const layer = state.filteredLayers.data.find(l => l.layerDef.id === layerName)
 | 
						|
                console.log("Setting ", layer?.layerDef?.id, " to visibility", isDisplayed, "(minzoom:", layer?.layerDef?.minzoomVisible, layer?.layerDef?.minzoom, ")")
 | 
						|
                layer.isDisplayed.setData(
 | 
						|
                    isDisplayed
 | 
						|
                )
 | 
						|
                if (key === "force") {
 | 
						|
                    layer.layerDef.minzoom = 0
 | 
						|
                    layer.layerDef.minzoomVisible = 0
 | 
						|
                    layer.isDisplayed.addCallback(isDisplayed => {
 | 
						|
                        if (!isDisplayed) {
 | 
						|
                            console.warn("Forcing layer " + paramsKey + " as true")
 | 
						|
                            layer.isDisplayed.setData(true)
 | 
						|
                        }
 | 
						|
                    })
 | 
						|
                }
 | 
						|
            }
 | 
						|
        }
 | 
						|
 | 
						|
        const pngCreator = new PngMapCreator(
 | 
						|
            state,
 | 
						|
            {
 | 
						|
                width,
 | 
						|
                height,
 | 
						|
                scaling: Number(params["scaling"] ?? 1.5),
 | 
						|
                divId: this.options.getFreeDiv(),
 | 
						|
                dummyMode: this.options.disableMaps
 | 
						|
            }
 | 
						|
        )
 | 
						|
        const png = await pngCreator.CreatePng("image")
 | 
						|
 | 
						|
        svgImage.setAttribute('xlink:href', png)
 | 
						|
        smallestRect.parentElement.insertBefore(svgImage, smallestRect)
 | 
						|
        await this.prepareElement(svgImage, [])
 | 
						|
 | 
						|
 | 
						|
        const smallestRectCss = SvgToPdfInternals.parseCss(smallestRect.getAttribute("style"))
 | 
						|
        smallestRectCss["fill-opacity"] = "0"
 | 
						|
        smallestRect.setAttribute("style", Object.keys(smallestRectCss).map(k => k + ":" + smallestRectCss[k]).join(";"))
 | 
						|
 | 
						|
 | 
						|
        textElement.parentElement.removeChild(textElement)
 | 
						|
    }
 | 
						|
 | 
						|
    public async PrepareLanguage(language: string) {
 | 
						|
        // Always fetch the remote data - it's cached anyway
 | 
						|
        this.layerTranslations[language] = await Utils.downloadJsonCached("https://raw.githubusercontent.com/pietervdvn/MapComplete/develop/langs/layers/" + language + ".json", 24 * 60 * 60 * 1000)
 | 
						|
        const shared_questions = await Utils.downloadJsonCached("https://raw.githubusercontent.com/pietervdvn/MapComplete/develop/langs/shared-questions/" + language + ".json", 24 * 60 * 60 * 1000)
 | 
						|
        this.layerTranslations[language]["shared-questions"] = shared_questions["shared_questions"]
 | 
						|
    }
 | 
						|
 | 
						|
    public async Prepare() {
 | 
						|
 | 
						|
        if (this._isPrepared) {
 | 
						|
            return
 | 
						|
        }
 | 
						|
        this._isPrepared = true;
 | 
						|
        const mapSpecs: SVGTSpanElement[] = []
 | 
						|
        for (let child of Array.from(this._svgRoot.children)) {
 | 
						|
            await this.prepareElement(<any>child, mapSpecs)
 | 
						|
        }
 | 
						|
 | 
						|
        for (const mapSpec of mapSpecs) {
 | 
						|
            await this.prepareMap(mapSpec)
 | 
						|
        }
 | 
						|
 | 
						|
 | 
						|
    }
 | 
						|
 | 
						|
    public drawPage(advancedApi: jsPDF, i: number, language): void {
 | 
						|
        if (!this._isPrepared) {
 | 
						|
            throw "Run 'Prepare()' first!"
 | 
						|
        }
 | 
						|
 | 
						|
        if (this.options.beforePage) {
 | 
						|
            this.options.beforePage(i)
 | 
						|
        }
 | 
						|
        const self = this
 | 
						|
        const internal = new SvgToPdfInternals(advancedApi, this.images, this.rects, key => self.extractTranslation(key, language));
 | 
						|
        for (let child of Array.from(this._svgRoot.children)) {
 | 
						|
            internal.handleElement(<any>child)
 | 
						|
        }
 | 
						|
    }
 | 
						|
 | 
						|
 | 
						|
    extractTranslation(text: string, language: string, strict: boolean = false) {
 | 
						|
        if (text === "$version") {
 | 
						|
            return new Date().toISOString().substring(0, "2022-01-02THH:MM".length) + " - v" + Constants.vNumber
 | 
						|
        }
 | 
						|
        const pathPart = text.match(/\$(([_a-zA-Z0-9? ]+\.)+[_a-zA-Z0-9? ]+)(.*)/)
 | 
						|
        if (pathPart === null) {
 | 
						|
            return text
 | 
						|
        }
 | 
						|
        let t: any = Translations.t
 | 
						|
        const path = pathPart[1].split(".")
 | 
						|
        if (this.importedTranslations[path[0]]) {
 | 
						|
            path.splice(0, 1, ...this.importedTranslations[path[0]].split("."))
 | 
						|
        }
 | 
						|
        const rest = pathPart[3] ?? ""
 | 
						|
        if (path[0] === "layer") {
 | 
						|
            t = this.layerTranslations[language]
 | 
						|
            if (t === undefined) {
 | 
						|
                console.error("No layerTranslation available for language " + language)
 | 
						|
                return text
 | 
						|
            }
 | 
						|
            path.splice(0, 1)
 | 
						|
        }
 | 
						|
        for (const crumb of path) {
 | 
						|
            t = t[crumb]
 | 
						|
            if (t === undefined) {
 | 
						|
                console.error("No value found to substitute " + text, "the path is", path)
 | 
						|
                return undefined
 | 
						|
            }
 | 
						|
        }
 | 
						|
 | 
						|
        if (typeof t === "string") {
 | 
						|
            t = new TypedTranslation({"*": t})
 | 
						|
        }
 | 
						|
        if (t instanceof TypedTranslation) {
 | 
						|
            if (strict && (t.translations[language] ?? t.translations["*"]) === undefined) {
 | 
						|
                return undefined
 | 
						|
            }
 | 
						|
            return t.Subs(this.options.textSubstitutions).textFor(language) + rest
 | 
						|
        } else if (t instanceof Translation) {
 | 
						|
            if (strict && (t.translations[language] ?? t.translations["*"]) === undefined) {
 | 
						|
                return undefined
 | 
						|
            }
 | 
						|
            return (<Translation>t).textFor(language) + rest
 | 
						|
        } else {
 | 
						|
            console.error("Could not get textFor from ", t, "for path", text)
 | 
						|
        }
 | 
						|
    }
 | 
						|
 | 
						|
}
 | 
						|
 | 
						|
export class SvgToPdf {
 | 
						|
 | 
						|
    public static readonly templates: Record<string, { pages: string[], description: string | Translation }> = {
 | 
						|
        flyer_a4: {
 | 
						|
            pages: ["/assets/templates/MapComplete-flyer.svg", "/assets/templates/MapComplete-flyer.back.svg"],
 | 
						|
            description: Translations.t.flyer.description
 | 
						|
        },
 | 
						|
        poster_a3: {
 | 
						|
            pages: ["/assets/templates/MapComplete-poster-a3.svg"],
 | 
						|
            description: "A basic A3 poster (similar to the flyer)"
 | 
						|
        },
 | 
						|
        poster_a2: {
 | 
						|
            pages: ["/assets/templates/MapComplete-poster-a2.svg"],
 | 
						|
            description: "A basic A2 poster (similar to the flyer); scaled up from the A3 poster"
 | 
						|
        }
 | 
						|
    }
 | 
						|
    private readonly _title: string;
 | 
						|
 | 
						|
    private readonly _pages: SvgToPdfPage[]
 | 
						|
 | 
						|
    constructor(title: string, pages: string[], options?: SvgToPdfOptions) {
 | 
						|
        this._title = title;
 | 
						|
        options = options ?? <SvgToPdfOptions>{}
 | 
						|
        options.textSubstitutions = options.textSubstitutions ?? {}
 | 
						|
        const mapCount = "" + Array.from(AllKnownLayouts.allKnownLayouts.values()).filter(th => !th.hideFromOverview).length;
 | 
						|
        options.textSubstitutions["mapCount"] = mapCount
 | 
						|
 | 
						|
        this._pages = pages.map(page => new SvgToPdfPage(page, options))
 | 
						|
    }
 | 
						|
 | 
						|
 | 
						|
    public async ConvertSvg(language: string): Promise<void> {
 | 
						|
        const firstPage = this._pages[0]._svgRoot
 | 
						|
        const width = SvgToPdfInternals.attrNumber(firstPage, "width")
 | 
						|
        const height = SvgToPdfInternals.attrNumber(firstPage, "height")
 | 
						|
        const mode = width > height ? "landscape" : "portrait"
 | 
						|
 | 
						|
        await this.Prepare()
 | 
						|
        for (const page of this._pages) {
 | 
						|
            await page.Prepare()
 | 
						|
            await page.PrepareLanguage(language)
 | 
						|
        }
 | 
						|
 | 
						|
        const doc = new jsPDF(mode, undefined, [width, height])
 | 
						|
        doc.advancedAPI(advancedApi => {
 | 
						|
            for (let i = 0; i < this._pages.length; i++) {
 | 
						|
                if (i > 0) {
 | 
						|
                    const page = this._pages[i]._svgRoot
 | 
						|
                    const width = SvgToPdfInternals.attrNumber(page, "width")
 | 
						|
                    const height = SvgToPdfInternals.attrNumber(page, "height")
 | 
						|
 | 
						|
                    advancedApi.addPage([width, height])
 | 
						|
                    const mediabox: { bottomLeftX: number, bottomLeftY: number, topRightX: number, topRightY: number } = advancedApi.getCurrentPageInfo().pageContext.mediaBox
 | 
						|
                    const targetWidth = 297
 | 
						|
                    const targetHeight = 210
 | 
						|
                    const sx = mediabox.topRightX / targetWidth
 | 
						|
                    const sy = mediabox.topRightY / targetHeight
 | 
						|
                    advancedApi.setCurrentTransformationMatrix(advancedApi.Matrix(sx, 0, 0, -sy, 0, mediabox.topRightY))
 | 
						|
                }
 | 
						|
                this._pages[i].drawPage(advancedApi, i, language)
 | 
						|
            }
 | 
						|
        })
 | 
						|
        await doc.save(this._title + "." + language + ".pdf");
 | 
						|
    }
 | 
						|
 | 
						|
    public translationKeys(): Set<string> {
 | 
						|
        const allTranslations = this._pages[0].extractTranslations()
 | 
						|
        for (let i = 1; i < this._pages.length; i++) {
 | 
						|
            const translations = this._pages[i].extractTranslations()
 | 
						|
            translations.forEach(t => allTranslations.add(t))
 | 
						|
        }
 | 
						|
        allTranslations.delete("import")
 | 
						|
        allTranslations.delete("version")
 | 
						|
        return allTranslations
 | 
						|
    }
 | 
						|
 | 
						|
    /**
 | 
						|
     * Prepares all the minimaps
 | 
						|
     * @constructor
 | 
						|
     */
 | 
						|
    public async Prepare(): Promise<SvgToPdf> {
 | 
						|
        for (const page of this._pages) {
 | 
						|
            await page.Prepare()
 | 
						|
        }
 | 
						|
        return this
 | 
						|
    }
 | 
						|
 | 
						|
    public async PrepareLanguages(languages: string[]): Promise<boolean> {
 | 
						|
        for (const page of this._pages) {
 | 
						|
            // Load all languages at once.
 | 
						|
            // We don't parallelize the pages, as they'll probably reload the same languages anyway (and they are cached)
 | 
						|
            await Promise.all(languages.map(async language => await page.PrepareLanguage(language)))
 | 
						|
        }
 | 
						|
        return true
 | 
						|
    }
 | 
						|
 | 
						|
    getTranslation(translationKey: string, language: string, strict: boolean = false) {
 | 
						|
        for (const page of this._pages) {
 | 
						|
            const tr = page.extractTranslation(translationKey, language, strict)
 | 
						|
            if(tr === undefined){
 | 
						|
                continue
 | 
						|
            }
 | 
						|
            if(tr === translationKey){
 | 
						|
                continue
 | 
						|
            }
 | 
						|
            return tr
 | 
						|
        }
 | 
						|
        return undefined
 | 
						|
    }
 | 
						|
}
 |