From d4714e2b01ae8a1d4c4422239a8da4e5fe5a8990 Mon Sep 17 00:00:00 2001
From: Anton Ramanovich <90370279+rmnvch@users.noreply.github.com>
Date: Mon, 9 Feb 2026 11:14:38 +0100
Subject: [PATCH] [MNT-25541] PDFs containing JP2 images (JPEG 2000) cannot be
 displayed in ADW viewer (#11618)

* [MNT-25541]: adds wasmUrl to default options

* [MNT-25541]: updates UTs

* [MNT-25541]: naming change
---
 .../viewer/components/mock/pdfjs-lib.mock.ts  | 41 +++++++++++++------
 .../pdf-viewer/pdf-viewer.component.spec.ts   | 19 ++++++++-
 .../pdf-viewer/pdf-viewer.component.ts        |  3 +-
 3 files changed, 47 insertions(+), 16 deletions(-)

diff --git a/lib/core/src/lib/viewer/components/mock/pdfjs-lib.mock.ts b/lib/core/src/lib/viewer/components/mock/pdfjs-lib.mock.ts
index 8f4c90cd2f..6c359ebeb3 100644
--- a/lib/core/src/lib/viewer/components/mock/pdfjs-lib.mock.ts
+++ b/lib/core/src/lib/viewer/components/mock/pdfjs-lib.mock.ts
@@ -17,19 +17,34 @@
 
 export default {
     GlobalWorkerOptions: {},
-    getDocument() {
-        return {
-            loadingTask: () => ({
-                destroy: () => Promise.resolve()
-            }),
-            promise: new Promise((resolve) => {
-                resolve({
-                    numPages: 6,
-                    getPage: () => 'fakePage'
-                });
-            })
-        };
-    },
+    getDocument: jasmine.createSpy('getDocument').and.callFake(() => ({
+        loadingTask: () => ({
+            destroy: () => Promise.resolve()
+        }),
+        promise: new Promise((resolve) => {
+            resolve({
+                numPages: 6,
+                getPage: () =>
+                    Promise.resolve({
+                        getAnnotations: () => [
+                            {
+                                subtype: 'Text',
+                                name: 'NoIcon',
+                                id: 'R13',
+                                titleObj: {
+                                    str: 'Annotation title'
+                                },
+                                contentsObj: {
+                                    str: 'Annotation contents'
+                                },
+                                modificationDate: "D:20260202104106Z00'00",
+                                popupRef: 'R1'
+                            }
+                        ]
+                    })
+            });
+        })
+    })),
     PasswordResponses: {
         NEED_PASSWORD: 1,
         INCORRECT_PASSWORD: 2
diff --git a/lib/core/src/lib/viewer/components/pdf-viewer/pdf-viewer.component.spec.ts b/lib/core/src/lib/viewer/components/pdf-viewer/pdf-viewer.component.spec.ts
index 3f30d366ca..43c691dbc5 100644
--- a/lib/core/src/lib/viewer/components/pdf-viewer/pdf-viewer.component.spec.ts
+++ b/lib/core/src/lib/viewer/components/pdf-viewer/pdf-viewer.component.spec.ts
@@ -16,7 +16,7 @@
  */
 
 import { LEFT_ARROW, RIGHT_ARROW } from '@angular/cdk/keycodes';
-import { Component, SimpleChange, ViewChild } from '@angular/core';
+import { Component, SimpleChange, SimpleChanges, ViewChild } from '@angular/core';
 import { ComponentFixture, fakeAsync, flush, TestBed, tick } from '@angular/core/testing';
 import { MatDialog } from '@angular/material/dialog';
 import { By } from '@angular/platform-browser';
@@ -326,7 +326,7 @@ describe('Test PdfViewer component', () => {
                     () =>
                         ({
                             afterClosed: () => of('')
-                        } as any)
+                        }) as any
                 );
 
                 spyOn(componentUrlTestPasswordComponent.pdfViewerComponent.close, 'emit');
@@ -510,6 +510,21 @@ describe('Test PdfViewer - User interaction', () => {
         expect(component.displayPage).toBe(2);
     });
 
+    it('should configure PDF.js with the correct wasmUrl', () => {
+        const changes: SimpleChanges = {
+            blobFile: new SimpleChange(null, component.blobFile, true)
+        };
+
+        component.ngOnChanges(changes);
+
+        const getDocumentSpy = pdfjsLibraryMock.getDocument;
+
+        expect(getDocumentSpy).toHaveBeenCalled();
+        const loadingArgs = getDocumentSpy.calls.mostRecent().args[0];
+
+        expect(loadingArgs.wasmUrl).toBe('./wasm/');
+    });
+
     describe('Zoom', () => {
         it('should zoom in increment the scale value', () => {
             const zoomBefore = component.pdfViewer.currentScaleValue;
diff --git a/lib/core/src/lib/viewer/components/pdf-viewer/pdf-viewer.component.ts b/lib/core/src/lib/viewer/components/pdf-viewer/pdf-viewer.component.ts
index 8d27698e64..0b3290a122 100644
--- a/lib/core/src/lib/viewer/components/pdf-viewer/pdf-viewer.component.ts
+++ b/lib/core/src/lib/viewer/components/pdf-viewer/pdf-viewer.component.ts
@@ -147,7 +147,8 @@ export class PdfViewerComponent implements OnChanges, OnDestroy {
         disableAutoFetch: true,
         disableStream: true,
         cMapUrl: './cmaps/',
-        cMapPacked: true
+        cMapPacked: true,
+        wasmUrl: './wasm/'
     };
     private pdfjsWorkerDestroy$ = new Subject<boolean>();