<h1 mat-dialog-title class="prevent-select">Firma de autorización</h1>
<div mat-dialog-actions class="prevent-select">
  <div class="is-loading animated fadeIn fast" *ngIf="isLoading">
    <mat-spinner align="center"></mat-spinner>
    <h3>Cargando datos ...</h3>
  </div>
  <div class="has-error animated fadeIn pt-64" *ngIf="!isLoading && hasError">
    <mat-icon class="red_primary_font">error</mat-icon>
    <h2>{{ errorStr }}</h2>
  </div>
  <div class="animated fadeIn w-100" *ngIf="!isLoading && !hasError">
    <img [src]="signatureFileURI" alt="signature-file" class="w-100">
  </div>
</div>
<div mat-dialog-actions align="end">
  <button mat-button mat-dialog-close>Cerrar</button>
</div>