Angular 16 image crop, zoom, scale, preview and upload; Through this tutorial, i am going to show you how to upload and crop, zoom, scale, preview image in Angular 16 apps.
Angular 16 Image Upload with Crop, Zoom, Scale, Preview Tutorial
Follow the below given steps to image upload and crop, zoom in Angular 16 apps; as follows:
- Step 1 – Create New Angular App
- Step 2 – Install Bootstrap and Cropper JS Library
- Step 3 – Import Dependencies in Module.ts File
- Step 4 – Create Image Crop Form in View File
- Step 5 – Add Code On app.Component ts File
- Step 6 – Start the Angular App
Step 1 – Create New Angular App
Run the following command on terminal to install angular app:
ng new my-new-app
Step 2 – Install Bootstrap and Cropper JS Library
Then run the following command on terminal to install bootstrap library for implement image crop and upload in angular app; as follows:
npm install bootstrap
Include bootstrap css into angular.json file:
...
...
"styles": [
"src/styles.scss",
"node_modules/bootstrap/dist/css/bootstrap.min.css"
],
...
...
Once you created a new angular app and entered into the project further, you have to install and add the image cropper plugin into the angular app:
npm install ngx-image-cropper
Step 3 – Import Dependencies in Module.ts File
Go to src/app directory and open app.module.ts file. And then add the following lines of into app.module.ts file:
import { NgModule } from '@angular/core';
import { BrowserModule } from '@angular/platform-browser';
import { AppRoutingModule } from './app-routing.module';
import { AppComponent } from './app.component';
import { ImageCropperModule } from 'ngx-image-cropper';
@NgModule({
declarations: [
AppComponent
],
imports: [
BrowserModule,
AppRoutingModule,
ImageCropperModule
],
providers: [],
bootstrap: [AppComponent]
})
export class AppModule { }
Step 4 – Create Image Crop Form in View File
Go to src/app/ and app.component.html and update the following code into it:
<div class="container mt-5 text-center">
<h3 class="mb-5">Angular Image Crop Example - Laratutorials</h3>
<div class="col-md-12">
<input type="file" (change)="onFileChange($event)" />
</div>
<div class="col-md-8">
<image-cropper
[imageChangedEvent]="imgChangeEvt"
[maintainAspectRatio]="true"
[aspectRatio]="4 / 4"
[resizeToWidth]="256"
format="png"
(imageCropped)="cropImg($event)"
(imageLoaded)="imgLoad()"
(cropperReady)="initCropper()"
(loadImageFailed)="imgFailed()">
</image-cropper>
</div>
<div class="col-md-4">
<h6>Image Preview</h6>
<img [src]="cropImgPreview" />
</div>
</div>
Step 5 – Add Code On app.Component ts File
Go to the src/app directory and open app.component.ts. Then add the following code into component.ts file:
import { Component } from '@angular/core';
import { ImageCroppedEvent } from 'ngx-image-cropper';
@Component({
selector: 'app-root',
templateUrl: './app.component.html',
styleUrls: ['./app.component.scss']
})
export class AppComponent {
imgChangeEvt: any = '';
cropImgPreview: any = '';
onFileChange(event: any): void {
this.imgChangeEvt = event;
}
cropImg(e: ImageCroppedEvent) {
this.cropImgPreview = e.base64;
}
imgLoad() {
// display cropper tool
}
initCropper() {
// init cropper
}
imgFailed() {
// error msg
}
}
Step 6 – Start the Angular App
Run the following command on terminal to start angular apps:
ng serve