scale down qrcode

dist/pdfParser.d.ts

@@ -5,7 +5,7 @@ declare class PDFparser {
     readonly config: any;
     constructor(document: Buffer);
     getPDFMeta: () => Promise<IgetMetaResponse>;
-    insertQrCode: (imgBytes: ArrayBuffer) => Promise<ArrayBuffer>;
+    insertQrCode: (imgBytes: ArrayBuffer, url: string) => Promise<ArrayBuffer>;
     private createPageLinkAnnotation;
 }
 export default PDFparser;

dist/pdfParser.js

@@ -46,10 +46,10 @@ class PDFparser {
                 throw new Error("Could not get pdf metadata");
             }
         });
-        this.insertQrCode = (imgBytes) => __awaiter(this, void 0, void 0, function* () {
+        this.insertQrCode = (imgBytes, url) => __awaiter(this, void 0, void 0, function* () {
             const pdfDoc = yield PDFDocument.load(this.document);
             const img = yield pdfDoc.embedPng(imgBytes);
-            const scaled = img.scale(0.5);
+            const scaled = img.scale(0.1);
             const pages = pdfDoc.getPages();
             const firstPage = pages[0];
             firstPage.drawImage(img, {
@@ -58,7 +58,7 @@ class PDFparser {
                 width: scaled.width,
                 height: scaled.height,
             });
-            const link = this.createPageLinkAnnotation(firstPage, "https://pdf-lib.js.org/", {
+            const link = this.createPageLinkAnnotation(firstPage, url, {
                 imgXPos: firstPage.getWidth() / 2 - scaled.width / 2,
                 imgYPos: firstPage.getHeight() / 2 - scaled.height / 2,
                 imgWidth: scaled.width,

src/pdfParser.ts

@@ -41,11 +41,14 @@ class PDFparser {
     }
   };
 
-  insertQrCode = async (imgBytes: ArrayBuffer): Promise<ArrayBuffer> => {
+  insertQrCode = async (
+    imgBytes: ArrayBuffer,
+    url: string
+  ): Promise<ArrayBuffer> => {
     const pdfDoc = await PDFDocument.load(this.document);
     const img = await pdfDoc.embedPng(imgBytes);
 
-    const scaled = img.scale(0.5);
+    const scaled = img.scale(0.1);
 
     const pages = pdfDoc.getPages();
 
@@ -58,16 +61,12 @@ class PDFparser {
       height: scaled.height,
     });
 
-    const link = this.createPageLinkAnnotation(
-      firstPage,
-      "https://pdf-lib.js.org/",
-      {
-        imgXPos: firstPage.getWidth() / 2 - scaled.width / 2,
-        imgYPos: firstPage.getHeight() / 2 - scaled.height / 2,
-        imgWidth: scaled.width,
-        imagHeight: scaled.height,
-      }
-    );
+    const link = this.createPageLinkAnnotation(firstPage, url, {
+      imgXPos: firstPage.getWidth() / 2 - scaled.width / 2,
+      imgYPos: firstPage.getHeight() / 2 - scaled.height / 2,
+      imgWidth: scaled.width,
+      imagHeight: scaled.height,
+    });
 
     firstPage.node.set(PDFName.of("Annots"), pdfDoc.context.obj([link]));