multipage support

dist/pdfParser.js

@@ -51,20 +51,22 @@ class PDFparser {
             const img = yield pdfDoc.embedPng(imgBytes);
             const scaled = img.scale(0.2);
             const pages = pdfDoc.getPages();
-            const firstPage = pages[0];
-            firstPage.drawImage(img, {
-                x: firstPage.getWidth() / 2 - scaled.width / 2,
-                y: firstPage.getHeight() / 2 - scaled.height / 2,
-                width: scaled.width,
-                height: 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(pdf_lib_1.PDFName.of("Annots"), pdfDoc.context.obj([link]));
+            for (let index = 0; index < pages.length; index++) {
+                const page = pages[index];
+                page.drawImage(img, {
+                    x: page.getWidth() / 2 - scaled.width / 2,
+                    y: page.getHeight() / 2 - scaled.height / 2,
+                    width: scaled.width,
+                    height: scaled.height,
+                });
+                const link = this.createPageLinkAnnotation(page, url, {
+                    imgXPos: page.getWidth() / 2 - scaled.width / 2,
+                    imgYPos: page.getHeight() / 2 - scaled.height / 2,
+                    imgWidth: scaled.width,
+                    imagHeight: scaled.height,
+                });
+                page.node.set(pdf_lib_1.PDFName.of("Annots"), pdfDoc.context.obj([link]));
+            }
             const pdfBytes = yield pdfDoc.save();
             return pdfBytes;
         });

src/pdfParser.ts

@@ -52,23 +52,25 @@ class PDFparser {
 
     const pages = pdfDoc.getPages();
 
-    const firstPage = pages[0];
+    for (let index = 0; index < pages.length; index++) {
+      const page = pages[index];
 
-    firstPage.drawImage(img, {
-      x: firstPage.getWidth() / 2 - scaled.width / 2,
-      y: firstPage.getHeight() / 2 - scaled.height / 2,
-      width: scaled.width,
-      height: scaled.height,
-    });
+      page.drawImage(img, {
+        x: page.getWidth() / 2 - scaled.width / 2,
+        y: page.getHeight() / 2 - scaled.height / 2,
+        width: scaled.width,
+        height: 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,
-    });
+      const link = this.createPageLinkAnnotation(page, url, {
+        imgXPos: page.getWidth() / 2 - scaled.width / 2,
+        imgYPos: page.getHeight() / 2 - scaled.height / 2,
+        imgWidth: scaled.width,
+        imagHeight: scaled.height,
+      });
 
-    firstPage.node.set(PDFName.of("Annots"), pdfDoc.context.obj([link]));
+      page.node.set(PDFName.of("Annots"), pdfDoc.context.obj([link]));
+    }
 
     const pdfBytes = await pdfDoc.save();