update to web-twain 19.1

Author: Ellie-dynamsoft

package.json

@@ -8,24 +8,26 @@
   },
   "private": true,
   "dependencies": {
-    "@angular/common": "^19.2.2",
-    "@angular/compiler": "^19.2.2",
-    "@angular/core": "^19.2.2",
-    "@angular/forms": "^19.2.2",
-    "@angular/platform-browser": "^19.2.2",
-    "@angular/router": "^19.2.2",
-    "@angular/elements": "^19.2.2",
-    "@angular/build": "^19.2.3",
-    "@angular-devkit/build-angular": "^19.2.3",
+    "@angular/common": "19.2.2",
+    "@angular/compiler": "19.2.2",
+    "@angular/core": "19.2.2",
+    "@angular/forms": "19.2.2",
+    "@angular/platform-browser": "19.2.2",
+    "@angular/router": "19.2.2",
+    "@angular/elements": "19.2.2",
+    "@angular/build": "19.2.3",
+    "@angular-devkit/build-angular": "19.2.3",
     "@ng-bootstrap/ng-bootstrap":"18.0.0",
-    "dwt": "19.0.0",
+	"@angular/localize": "19.2.2",
+    "@angular/animations": "19.2.2",
+    "dwt": "19.1.0",
     "rxjs": "~7.8.1",
     "tslib": "^2.5.2",
     "bootstrap": "^5.3.3"
   },
   "devDependencies": {
-    "@angular/cli": "^19.2.2",
-    "@angular/compiler-cli": "^19.2.2",
+    "@angular/cli": "19.2.2",
+    "@angular/compiler-cli": "19.2.2",
     "@types/node": "^22.13.10",
     "codelyzer": "^6.0.2",
     "protractor": "~7.0.0",

src/app/dwt.service.ts

@@ -120,6 +120,17 @@ export class DwtService {
               this._DWTObject = _DWTObject;
               /*this._DWTObject.IfShowProgressBar = false;
               this._DWTObject.IfShowCancelDialogWhenImageTransfer = false;*/
+              
+              // from v19.0
+              this._DWTObject.Addon.PDF.SetReaderOptions({
+                convertMode: Dynamsoft.DWT.EnumDWT_ConvertMode.CM_RENDERALL,
+                renderOptions: {
+                    renderAnnotations: true,
+                    resolution: 200
+                },
+                preserveUnmodifiedOnSave: true
+              });
+
               /**
                * The event OnBufferChanged is used here for monitoring the image buffer.
                */
@@ -405,12 +416,6 @@ export class DwtService {
    */
   load(files?: FileList): Promise<any> {
     return new Promise((res, rej) => {
-      this._DWTObject.Addon.PDF.SetReaderOptions({
-        convertMode: Dynamsoft.DWT.EnumDWT_ConvertMode.CM_AUTO,
-        renderOptions: {
-            resolution: 200
-        }
-      });
       this._DWTObject.IfShowFileDialog = true;
       this._DWTObject.RegisterEvent("OnPostLoad", (
         directory: string,