forked from MapComplete/MapComplete
		
	
		
			
				
	
	
		
			1019 lines
		
	
	
	
		
			37 KiB
		
	
	
	
		
			TypeScript
		
	
	
	
	
	
			
		
		
	
	
			1019 lines
		
	
	
	
		
			37 KiB
		
	
	
	
		
			TypeScript
		
	
	
	
	
	
| import jsPDF, { Matrix } from "jspdf"
 | |
| import { Translation, TypedTranslation } from "../UI/i18n/Translation"
 | |
| import FeaturePipelineState from "../Logic/State/FeaturePipelineState"
 | |
| import { PngMapCreator } from "./pngMapCreator"
 | |
| import { AllKnownLayouts } from "../Customizations/AllKnownLayouts"
 | |
| import { Store } from "../Logic/UIEventSource"
 | |
| import "../assets/templates/Ubuntu-M-normal.js"
 | |
| import "../assets/templates/Ubuntu-L-normal.js"
 | |
| import "../assets/templates/UbuntuMono-B-bold.js"
 | |
| import { makeAbsolute, parseSVG } from "svg-path-parser"
 | |
| import Translations from "../UI/i18n/Translations"
 | |
| import { Utils } from "../Utils"
 | |
| import Constants from "../Models/Constants"
 | |
| import Hash from "../Logic/Web/Hash"
 | |
| 
 | |
| class SvgToPdfInternals {
 | |
|     private readonly doc: jsPDF
 | |
|     private static readonly dummyDoc: jsPDF = new jsPDF()
 | |
|     private readonly matrices: Matrix[] = []
 | |
|     private readonly matricesInverted: Matrix[] = []
 | |
| 
 | |
|     private currentMatrix: Matrix
 | |
|     private currentMatrixInverted: Matrix
 | |
| 
 | |
|     private readonly _images: Record<string, HTMLImageElement>
 | |
|     private readonly _rects: Record<string, SVGRectElement>
 | |
|     private readonly extractTranslation: (string) => string
 | |
| 
 | |
|     constructor(
 | |
|         advancedApi: jsPDF,
 | |
|         images: Record<string, HTMLImageElement>,
 | |
|         rects: Record<string, SVGRectElement>,
 | |
|         extractTranslation: (string) => string
 | |
|     ) {
 | |
|         this.doc = advancedApi
 | |
|         this._images = images
 | |
|         this._rects = rects
 | |
|         this.extractTranslation = (s) => extractTranslation(s)?.replace(/ /g, " ")
 | |
|         this.currentMatrix = this.doc.unitMatrix
 | |
|         this.currentMatrixInverted = this.doc.unitMatrix
 | |
|     }
 | |
| 
 | |
|     applyMatrices(): void {
 | |
|         let multiplied = this.doc.unitMatrix
 | |
|         let multipliedInv = this.doc.unitMatrix
 | |
|         for (const matrix of this.matrices) {
 | |
|             multiplied = this.doc.matrixMult(multiplied, matrix)
 | |
|         }
 | |
|         for (const matrix of this.matricesInverted) {
 | |
|             multipliedInv = this.doc.matrixMult(multiplied, matrix)
 | |
|         }
 | |
|         this.currentMatrix = multiplied
 | |
|         this.currentMatrixInverted = multipliedInv
 | |
|     }
 | |
| 
 | |
|     addMatrix(m: Matrix) {
 | |
|         this.matrices.push(m)
 | |
|         this.matricesInverted.push(m.inversed())
 | |
|         this.doc.setCurrentTransformationMatrix(m)
 | |
|         this.applyMatrices()
 | |
|     }
 | |
| 
 | |
|     public static extractMatrix(element: Element): Matrix {
 | |
|         const t = element.getAttribute("transform")
 | |
|         if (t === null) {
 | |
|             return null
 | |
|         }
 | |
|         const scaleMatch = t.match(/scale\(([-0-9.]+)\)/)
 | |
|         if (scaleMatch !== null) {
 | |
|             const s = Number(scaleMatch[1])
 | |
|             return SvgToPdfInternals.dummyDoc.Matrix(1 / s, 0, 0, 1 / s, 0, 0)
 | |
|         }
 | |
| 
 | |
|         const translateMatch = t.match(/translate\(([-0-9.]+), ?([-0-9.]*)\)/)
 | |
|         if (translateMatch !== null) {
 | |
|             const dx = Number(translateMatch[1])
 | |
|             const dy = Number(translateMatch[2])
 | |
|             console.log("Translating", dx, dy)
 | |
|             return SvgToPdfInternals.dummyDoc.Matrix(1, 0, 0, 1, dx, dy)
 | |
|         }
 | |
| 
 | |
|         const transformMatch = t.match(
 | |
|             /matrix\(([-0-9.]*),([-0-9.]*),([-0-9.]*),([-0-9.]*),([-0-9.]*),([-0-9.]*)\)/
 | |
|         )
 | |
|         if (transformMatch !== null) {
 | |
|             const vals = [1, 0, 0, 1, 0, 0]
 | |
|             const invVals = [1, 0, 0, 1, 0, 0]
 | |
|             for (let i = 0; i < 6; i++) {
 | |
|                 const ti = Number(transformMatch[i + 1])
 | |
|                 if (ti == 0) {
 | |
|                     vals[i] = 0
 | |
|                 } else {
 | |
|                     invVals[i] = 1 / ti
 | |
|                     vals[i] = ti
 | |
|                 }
 | |
|             }
 | |
|             return SvgToPdfInternals.dummyDoc.Matrix(
 | |
|                 vals[0],
 | |
|                 vals[1],
 | |
|                 vals[2],
 | |
|                 vals[3],
 | |
|                 vals[4],
 | |
|                 vals[5]
 | |
|             )
 | |
|         }
 | |
| 
 | |
|         return null
 | |
|     }
 | |
| 
 | |
|     public setTransform(element: Element): boolean {
 | |
|         const m = SvgToPdfInternals.extractMatrix(element)
 | |
|         if (m === null) {
 | |
|             return false
 | |
|         }
 | |
|         this.addMatrix(m)
 | |
|         return true
 | |
|     }
 | |
| 
 | |
|     public undoTransform(): void {
 | |
|         this.matrices.pop()
 | |
|         const i = this.matricesInverted.pop()
 | |
|         this.doc.setCurrentTransformationMatrix(i)
 | |
|         this.applyMatrices()
 | |
|     }
 | |
| 
 | |
|     public static parseCss(styleContent: string, separator: string = ";"): Record<string, string> {
 | |
|         if (styleContent === undefined || styleContent === null) {
 | |
|             return {}
 | |
|         }
 | |
|         const r: Record<string, string> = {}
 | |
| 
 | |
|         for (const rule of styleContent.split(separator)) {
 | |
|             const [k, v] = rule.split(":").map((x) => x.trim())
 | |
|             r[k] = v
 | |
|         }
 | |
| 
 | |
|         return r
 | |
|     }
 | |
| 
 | |
|     private drawRect(element: SVGRectElement) {
 | |
|         const x = Number(element.getAttribute("x"))
 | |
|         const y = Number(element.getAttribute("y"))
 | |
|         const width = Number(element.getAttribute("width"))
 | |
|         const height = Number(element.getAttribute("height"))
 | |
|         const ry = SvgToPdfInternals.attrNumber(element, "ry", false) ?? 0
 | |
|         const rx = SvgToPdfInternals.attrNumber(element, "rx", false) ?? 0
 | |
|         const css = SvgToPdfInternals.css(element)
 | |
|         if (css["fill-opacity"] !== "0" && css["fill"] !== "none") {
 | |
|             this.doc.setFillColor(css["fill"] ?? "black")
 | |
|             this.doc.roundedRect(x, y, width, height, rx, ry, "F")
 | |
|         }
 | |
|         if (css["stroke"] && css["stroke"] !== "none") {
 | |
|             this.doc.setLineWidth(Number(css["stroke-width"] ?? 1))
 | |
|             this.doc.setDrawColor(css["stroke"] ?? "black")
 | |
|             this.doc.roundedRect(x, y, width, height, rx, ry, "S")
 | |
|         }
 | |
|         return
 | |
|     }
 | |
| 
 | |
|     private drawCircle(element: SVGCircleElement) {
 | |
|         const x = Number(element.getAttribute("cx"))
 | |
|         const y = Number(element.getAttribute("cy"))
 | |
|         const r = Number(element.getAttribute("r"))
 | |
|         const css = SvgToPdfInternals.css(element)
 | |
|         if (css["fill-opacity"] !== "0" && css["fill"] !== "none") {
 | |
|             this.doc.setFillColor(css["fill"] ?? "black")
 | |
|             this.doc.circle(x, y, r, "F")
 | |
|         }
 | |
|         if (css["stroke"] && css["stroke"] !== "none") {
 | |
|             this.doc.setLineWidth(Number(css["stroke-width"] ?? 1))
 | |
|             this.doc.setDrawColor(css["stroke"] ?? "black")
 | |
|             this.doc.circle(x, y, r, "S")
 | |
|         }
 | |
|         return
 | |
|     }
 | |
| 
 | |
|     private static attr(
 | |
|         element: Element,
 | |
|         name: string,
 | |
|         recurseup: boolean = true
 | |
|     ): string | undefined {
 | |
|         if (element === null || element === undefined) {
 | |
|             return undefined
 | |
|         }
 | |
|         const a = element.getAttribute(name)
 | |
|         if (a !== null && a !== undefined) {
 | |
|             return a
 | |
|         }
 | |
|         if (recurseup && element.parentElement !== undefined && element.parentElement !== element) {
 | |
|             return SvgToPdfInternals.attr(element.parentElement, name, recurseup)
 | |
|         }
 | |
|         return undefined
 | |
|     }
 | |
| 
 | |
|     /**
 | |
|      * Reads the 'style'-element recursively
 | |
|      * @param element
 | |
|      * @private
 | |
|      */
 | |
|     private static css(element: Element): Record<string, string> {
 | |
|         if (element.parentElement == undefined || element.parentElement == element) {
 | |
|             return SvgToPdfInternals.parseCss(element.getAttribute("style"))
 | |
|         }
 | |
| 
 | |
|         const css = SvgToPdfInternals.css(element.parentElement)
 | |
|         const style = element.getAttribute("style")
 | |
|         if (style === undefined || style == null) {
 | |
|             return css
 | |
|         }
 | |
|         for (const rule of style.split(";")) {
 | |
|             const [k, v] = rule.split(":").map((x) => x.trim())
 | |
|             css[k] = v
 | |
|         }
 | |
|         return css
 | |
|     }
 | |
| 
 | |
|     static attrNumber(element: Element, name: string, recurseup: boolean = true): number {
 | |
|         const a = SvgToPdfInternals.attr(element, name, recurseup)
 | |
|         const n = parseFloat(a)
 | |
|         if (!isNaN(n)) {
 | |
|             return n
 | |
|         }
 | |
|         return undefined
 | |
|     }
 | |
| 
 | |
|     private drawTspan(tspan: Element) {
 | |
|         if (tspan.textContent == "") {
 | |
|             return
 | |
|         }
 | |
|         const x = SvgToPdfInternals.attrNumber(tspan, "x")
 | |
|         const y = SvgToPdfInternals.attrNumber(tspan, "y")
 | |
| 
 | |
|         const css = SvgToPdfInternals.css(tspan)
 | |
|         let maxWidth: number = undefined
 | |
|         if (css["shape-inside"]) {
 | |
|             const matched = css["shape-inside"].match(/url\(#([a-zA-Z0-9-]+)\)/)
 | |
|             if (matched !== null) {
 | |
|                 const rectId = matched[1]
 | |
|                 const rect = this._rects[rectId]
 | |
|                 maxWidth = SvgToPdfInternals.attrNumber(rect, "width", false)
 | |
|             }
 | |
|         }
 | |
| 
 | |
|         let fontFamily = css["font-family"] ?? "Ubuntu"
 | |
|         if (fontFamily === "sans-serif") {
 | |
|             fontFamily = "Ubuntu"
 | |
|         }
 | |
| 
 | |
|         let fontWeight = css["font-weight"] ?? "normal"
 | |
|         this.doc.setFont(fontFamily, fontWeight)
 | |
| 
 | |
|         const fontColor = css["fill"]
 | |
|         if (fontColor) {
 | |
|             this.doc.setTextColor(fontColor)
 | |
|         } else {
 | |
|             this.doc.setTextColor("black")
 | |
|         }
 | |
|         let fontsize = parseFloat(css["font-size"])
 | |
| 
 | |
|         this.doc.setFontSize(fontsize * 2.5)
 | |
| 
 | |
|         let textTemplate = tspan.textContent.split(" ")
 | |
|         let result: string = ""
 | |
|         let addSpace = false
 | |
|         for (let text of textTemplate) {
 | |
|             if (text === "\\n") {
 | |
|                 result += "\n"
 | |
|                 addSpace = false
 | |
|                 continue
 | |
|             }
 | |
|             if (text === "\\n\\n") {
 | |
|                 result += "\n\n"
 | |
|                 addSpace = false
 | |
|                 continue
 | |
|             }
 | |
| 
 | |
|             if (!text.startsWith("$")) {
 | |
|                 if (addSpace) {
 | |
|                     result += " "
 | |
|                 }
 | |
|                 result += text
 | |
|                 addSpace = true
 | |
|                 continue
 | |
|             }
 | |
|             const list = text.match(/\$list\(([a-zA-Z0-9_.-]+)\)/)
 | |
|             if (list) {
 | |
|                 const key = list[1]
 | |
|                 console.log("Generating a list with key" + key)
 | |
|                 let r = this.extractTranslation("$" + key + "0")
 | |
|                 let i = 0
 | |
|                 result += "\n"
 | |
|                 while (r !== undefined && i < 100) {
 | |
|                     result += "• " + r + "\n"
 | |
|                     i++
 | |
|                     r = this.extractTranslation("$" + key + i)
 | |
|                 }
 | |
|                 result += "\n"
 | |
|                 addSpace = false
 | |
|             } else {
 | |
|                 const found = this.extractTranslation(text) ?? text
 | |
|                 if (addSpace) {
 | |
|                     result += " "
 | |
|                 }
 | |
|                 result += found
 | |
|                 addSpace = true
 | |
|             }
 | |
|         }
 | |
|         this.doc.text(
 | |
|             result,
 | |
|             x,
 | |
|             y,
 | |
|             {
 | |
|                 maxWidth,
 | |
|             },
 | |
|             this.currentMatrix
 | |
|         )
 | |
|     }
 | |
| 
 | |
|     private drawSvgViaCanvas(element: Element): void {
 | |
|         const x = SvgToPdfInternals.attrNumber(element, "x")
 | |
|         const y = SvgToPdfInternals.attrNumber(element, "y")
 | |
|         const width = SvgToPdfInternals.attrNumber(element, "width")
 | |
|         const height = SvgToPdfInternals.attrNumber(element, "height")
 | |
|         const base64src = SvgToPdfInternals.attr(element, "xlink:href")
 | |
|         const 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 svgWidth = SvgToPdfInternals.attrNumber(svgRoot, "width")
 | |
|         const svgHeight = SvgToPdfInternals.attrNumber(svgRoot, "height")
 | |
| 
 | |
|         let img = this._images[base64src]
 | |
|         // This is an svg image, we use the canvas to convert it to a png
 | |
|         const canvas = document.createElement("canvas")
 | |
|         const ctx = canvas.getContext("2d")
 | |
| 
 | |
|         canvas.width = svgWidth
 | |
|         canvas.height = svgHeight
 | |
|         img.style.width = `${svgWidth}px`
 | |
|         img.style.height = `${svgHeight}px`
 | |
| 
 | |
|         ctx.drawImage(img, 0, 0, svgWidth, svgHeight)
 | |
|         const base64img = canvas.toDataURL("image/png")
 | |
| 
 | |
|         this.addMatrix(this.doc.Matrix(width / svgWidth, 0, 0, height / svgHeight, 0, 0))
 | |
|         const p = this.currentMatrixInverted.applyToPoint({ x, y })
 | |
|         this.doc.addImage(
 | |
|             base64img,
 | |
|             "png",
 | |
|             (p.x * svgWidth) / width,
 | |
|             (p.y * svgHeight) / height,
 | |
|             svgWidth,
 | |
|             svgHeight
 | |
|         )
 | |
|         this.undoTransform()
 | |
|     }
 | |
| 
 | |
|     private drawImage(element: Element): void {
 | |
|         const href = SvgToPdfInternals.attr(element, "xlink:href")
 | |
|         if (href.endsWith("svg") || href.startsWith("data:image/svg")) {
 | |
|             this.drawSvgViaCanvas(element)
 | |
|         } else {
 | |
|             const x = SvgToPdfInternals.attrNumber(element, "x")
 | |
|             const y = SvgToPdfInternals.attrNumber(element, "y")
 | |
|             const width = SvgToPdfInternals.attrNumber(element, "width")
 | |
|             const height = SvgToPdfInternals.attrNumber(element, "height")
 | |
|             const base64src = SvgToPdfInternals.attr(element, "xlink:href")
 | |
| 
 | |
|             this.doc.addImage(base64src, x, y, width, height)
 | |
|         }
 | |
|     }
 | |
| 
 | |
|     private drawPath(element: SVGPathElement): void {
 | |
|         const path = element.getAttribute("d")
 | |
|         const parsed: { code: string; x: number; y: number; x2?; y2?; x1?; y1? }[] = parseSVG(path)
 | |
|         makeAbsolute(parsed)
 | |
| 
 | |
|         for (const c of parsed) {
 | |
|             if (c.code === "C" || c.code === "c") {
 | |
|                 const command = { op: "c", c: [c.x1, c.y1, c.x2, c.y2, c.x, c.y] }
 | |
|                 this.doc.path([command])
 | |
|                 continue
 | |
|             }
 | |
| 
 | |
|             if (c.code === "H") {
 | |
|                 const command = { op: "l", c: [c.x, c.y] }
 | |
|                 this.doc.path([command])
 | |
|                 continue
 | |
|             }
 | |
| 
 | |
|             if (c.code === "V") {
 | |
|                 const command = { op: "l", c: [c.x, c.y] }
 | |
|                 this.doc.path([command])
 | |
|                 continue
 | |
|             }
 | |
| 
 | |
|             this.doc.path([{ op: c.code.toLowerCase(), c: [c.x, c.y] }])
 | |
|         }
 | |
|         //"fill:#ffffff;stroke:#000000;stroke-width:0.8;stroke-linecap:round;stroke-linejoin:round;stroke-miterlimit:20"
 | |
| 
 | |
|         const css = SvgToPdfInternals.css(element)
 | |
|         if (css["color"] && css["color"].toLowerCase() !== "none") {
 | |
|             this.doc.setDrawColor(css["color"])
 | |
|         }
 | |
|         if (css["stroke-width"]) {
 | |
|             this.doc.setLineWidth(parseFloat(css["stroke-width"]))
 | |
|         }
 | |
|         if (css["stroke-linejoin"] !== undefined) {
 | |
|             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()
 | |
|             }
 | |
|         } else if (doFill) {
 | |
|             this.doc.fill()
 | |
|         }
 | |
|     }
 | |
| 
 | |
|     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
 | |
|     }
 | |
| }
 |