Customize annotation selectors in Angular PDF Viewer

Customize the annotation selector using the annotationSelectorSettings property of the PDF Viewer.

Example: Customize the selector of a shape annotation

<button ejs-button cssClass="e-primary" (click)="onAnnotationSelector()">annotationSelector</button>
import { Component, ViewEncapsulation, OnInit, ViewChild } from '@angular/core';
import {
  PdfViewerComponent,
  LinkAnnotationService,
  BookmarkViewService,
  MagnificationService,
  ThumbnailViewService,
  ToolbarService,
  NavigationService,
  TextSearchService,
  TextSelectionService,
  PrintService,
  AnnotationService,
  FormFieldsService,
  FormDesignerService,
  PageOrganizerService,
  PdfViewerModule,
} from '@syncfusion/ej2-angular-pdfviewer';

/**
 * Default PdfViewer Controller
 */
@Component({
  selector: 'app-root',
  templateUrl: 'app.component.html',
  encapsulation: ViewEncapsulation.None,
  // tslint:disable-next-line:max-line-length
  providers: [
    LinkAnnotationService,
    BookmarkViewService,
    MagnificationService,
    ThumbnailViewService,
    ToolbarService,
    NavigationService,
    TextSearchService,
    TextSelectionService,
    PrintService,
    AnnotationService,
    FormFieldsService,
    FormDesignerService,
    PageOrganizerService,
  ],
  styleUrls: ['app.component.css'],
  standalone: true,
  imports: [PdfViewerModule],
})
export class AppComponent {
  @ViewChild('pdfviewer')
  public pdfviewerControl: PdfViewerComponent;
  public document: string =
    'https://cdn.syncfusion.com/content/pdf/pdf-succinctly.pdf';
  public resource: string =
    'https://cdn.syncfusion.com/ej2/23.2.6/dist/ej2-pdfviewer-lib';

  onAnnotationSelector(): void {
    if (!this.pdfviewerControl) {
      return;
    }
    this.pdfviewerControl.rectangleSettings.annotationSelectorSettings.resizerShape =
      'Circle';
    const annot = this.pdfviewerControl.annotationCollection[0];
    if (annot) {
      this.pdfviewerControl.annotationModule.editAnnotation(annot);
    }
  }

  ngOnInit(): void {
    // ngOnInit function
  }
}

Sample: How to customize the annotation selector