src/app/common/image/image.component.ts

/**
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you under the Apache License, Version 2.0 (the
 * "License"); you may not use this file except in compliance
 * with the License.  You may obtain a copy of the License at
 *
 *   http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing,
 * software distributed under the License is distributed on an
 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
 * KIND, either express or implied.  See the License for the
 * specific language governing permissions and limitations
 * under the License.
 */
import {Component, Inject, OnDestroy} from '@angular/core';
import {MAT_DIALOG_DATA} from '@angular/material';
import {DomSanitizer, SafeUrl} from '@angular/platform-browser';

@Component({
  template: '<img [src]="safeUrl" alt/>'
})
export class ImageComponent implements OnDestroy {

  private objectUrl: string;

  constructor(private domSanitizer: DomSanitizer, @Inject(MAT_DIALOG_DATA) public blob: Blob) {
    this.objectUrl = URL.createObjectURL(blob);
  }

  ngOnDestroy(): void {
    URL.revokeObjectURL(this.objectUrl);
  }

  get safeUrl(): SafeUrl {
    return this.domSanitizer.bypassSecurityTrustUrl(this.objectUrl);
  }
}