# Detecting and cropping faces in images

By combining Pintura Image Editor with [Smartcrop.js](https://github.com/jwagner/smartcrop.js/) we can automatically move the crop rectangle to the most prominent subject in the image.

* [ ![](/pintura/static/assets/technologies-mono/javascript.svg)JavaScript](#javascript-panel-0)
* [ ![](/pintura/static/assets/technologies-mono/react.svg)React](#react-panel-0)
* [ ![](/pintura/static/assets/technologies-mono/vue.svg)Vue](#vue-panel-0)
* [ ![](/pintura/static/assets/technologies-mono/svelte.svg)Svelte](#svelte-panel-0)
* [ ![](/pintura/static/assets/technologies-mono/angular.svg)Angular](#angular-panel-0)
* [ ![](/pintura/static/assets/technologies-mono/jquery.svg)jQuery](#jquery-panel-0)

* [index.html](#index-html-panel-0)

```html
<!DOCTYPE html>

<head>
    <link rel="stylesheet" href="./pintura.css" />
</head>

<style>
    .pintura-editor {
        height: 600px;
    }
</style>

<div id="editor"></div>

<script type="module">
    import { appendDefaultEditor } from './pintura.js';

    const editor = appendDefaultEditor('#editor', { src: 'image.jpeg' });

    editor.on('load', (imageState) => {
        // Please note that this example doesn't include smartcrop it'll have to be added manually.

        // Create a normal image and send it to smartcrop.js
        const image = new Image();
        image.src = URL.createObjectURL(imageState.dest);
        image.onload = async () => {
            // Calculate the smart crop rectangle, set aspect ratio to 3:4
            const { topCrop } = await smartcrop.crop(image, {
                width: 3,
                height: 4,
            });

            // Update the editor crop
            editor.imageCrop = topCrop;
        };
    });
</script>

```

* [App.jsx](#App-jsx-panel-0)
* [App.css](#App-css-panel-0)

```jsx
import '@pqina/pintura/pintura.css';
import './App.css';
import { useRef } from 'react';
import { PinturaEditor } from '@pqina/react-pintura';
import { getEditorDefaults } from '@pqina/pintura';

const editorDefaults = getEditorDefaults();

function App() {
    const editorRef = useRef(null);

    const handleEditorLoad = (imageState) => {
        // Please note that this example doesn't include smartcrop it'll have to be added manually.

        // Create a normal image and send it to smartcrop.js
        const image = new Image();
        image.src = URL.createObjectURL(imageState.dest);
        image.onload = async () => {
            // Calculate the smart crop rectangle, set aspect ratio to 3:4
            const { topCrop } = await smartcrop.crop(image, {
                width: 3,
                height: 4,
            });

            // Update the editor crop
            editorRef.current.editor.imageCrop = topCrop;
        };
    };

    return (
        <div className="App">
            <PinturaEditor
                ref={editorRef}
                {...editorDefaults}
                src={'image.jpeg'}
                onLoad={handleEditorLoad}
            />
        </div>
    );
}

export default App;

```

```css
.pintura-editor {
    height: 600px;
}

```

* [App.vue](#App-vue-panel-0)

```html
<template>
    <div>
        <PinturaEditor
            ref="editor"
            v-bind="editorDefaults"
            src="image.jpeg"
            v-on:pintura:load="handleEditorLoad($event)"
        />
    </div>
</template>
<script>
import { PinturaEditor } from '@pqina/vue-pintura';
import { getEditorDefaults } from '@pqina/pintura';

export default {
    name: 'App',

    components: {
        PinturaEditor,
    },

    data() {
        return {
            editorDefaults: getEditorDefaults(),
        };
    },

    methods: {
        handleEditorLoad: function (imageState) {
            // Please note that this example doesn't include smartcrop it'll have to be added manually.

            // Create a normal image and send it to smartcrop.js
            const image = new Image();
            image.src = URL.createObjectURL(imageState.dest);
            image.onload = async () => {
                // Calculate the smart crop rectangle, set aspect ratio to 3:4
                const { topCrop } = await smartcrop.crop(image, {
                    width: 3,
                    height: 4,
                });

                // Update the editor crop
                this.$refs.editor.editor.imageCrop = topCrop;
            };
        },
    },
};
</script>
<style>
@import '@pqina/pintura/pintura.css';

.pintura-editor {
    height: 600px;
}
</style>

```

* [App.svelte](#App-svelte-panel-0)

```svelte
<script>
    import { PinturaEditor } from '@pqina/svelte-pintura';
    import { getEditorDefaults } from '@pqina/pintura';
    import '@pqina/pintura/pintura.css';

    let editorDefaults = getEditorDefaults();

    let editor;

    const handleEditorLoad = (event) => {
        const imageState = event.detail;

        {
            // Please note that this example doesn't include smartcrop it'll have to be added manually.

            // Create a normal image and send it to smartcrop.js
            const image = new Image();
            image.src = URL.createObjectURL(imageState.dest);
            image.onload = async () => {
                // Calculate the smart crop rectangle, set aspect ratio to 3:4
                const { topCrop } = await smartcrop.crop(image, {
                    width: 3,
                    height: 4,
                });

                // Update the editor crop
                editor.imageCrop = topCrop;
            };
        }
    };
</script>

<div>
    <PinturaEditor
        bind:this={editor}
        {...editorDefaults}
        src={'image.jpeg'}
        on:load={handleEditorLoad}
    />
</div>

<style>
    div :global(.pintura-editor) {
        height: 600px;
    }
</style>

```

* [app.component.ts](#app-component-ts-panel-0)
* [app.component.html](#app-component-html-panel-0)
* [app.component.css](#app-component-css-panel-0)
* [app.module.ts](#app-module-ts-panel-0)

```javascript
import { Component, ViewChild } from '@angular/core';

import { DomSanitizer } from '@angular/platform-browser';

import { getEditorDefaults } from '@pqina/pintura';

@Component({
    selector: 'app-root',
    templateUrl: './app.component.html',
    styleUrls: ['./app.component.css'],
})
export class AppComponent {
    constructor(private domSanitizer: DomSanitizer) {}

    @ViewChild('editor') editor?: any;

    editorDefaults: any = getEditorDefaults();

    handleEditorLoad(imageState: any): void {
        // Please note that this example doesn't include smartcrop it'll have to be added manually.

        // Create a normal image and send it to smartcrop.js
        const image = new Image();
        image.src = <string>(
            this.domSanitizer.bypassSecurityTrustResourceUrl(
                URL.createObjectURL(imageState.dest)
            )
        );
        image.onload = async () => {
            // Calculate the smart crop rectangle, set aspect ratio to 3:4
            const { topCrop } = await smartcrop.crop(image, {
                width: 3,
                height: 4,
            });

            // Update the editor crop
            this.editor.editor.imageCrop = topCrop;
        };
    }
}

```

```html
<pintura-editor
    #editor
    [options]="editorDefaults"
    src="image.jpeg"
    (load)="handleEditorLoad($event)"
></pintura-editor>

```

```css
::ng-deep .pintura-editor {
    height: 600px;
}

```

```javascript
import { BrowserModule } from '@angular/platform-browser';
import { NgModule } from '@angular/core';
import { AppComponent } from './app.component';
import { AngularPinturaModule } from '@pqina/angular-pintura';

@NgModule({
    declarations: [AppComponent],
    imports: [BrowserModule, AngularPinturaModule],
    exports: [AppComponent],
    providers: [],
    bootstrap: [AppComponent],
})
export class AppModule {}

```

* [index.html](#index-html-panel-0)

```html
<!DOCTYPE html>
<head>
    <link rel="stylesheet" href="./pintura/pintura.css" />
</head>

<script src="./jquery.js"></script>
<script src="./jquery-pintura/useEditorWithJQuery-iife.js"></script>
<script src="./pintura/pintura-iife.js"></script>

<style>
    .pintura-editor {
        height: 600px;
    }
</style>

<div id="editor"></div>

<script>
    useEditorWithJQuery(jQuery, pintura);

    $(function () {
        var editor = $('#editor').pinturaDefault({ src: 'image.jpeg' });

        editor.on('pintura:load', function (event) {
            const imageState = event.detail;

            {
                // Please note that this example doesn't include smartcrop it'll have to be added manually.

                // Create a normal image and send it to smartcrop.js
                const image = new Image();
                image.src = URL.createObjectURL(imageState.dest);
                image.onload = async () => {
                    // Calculate the smart crop rectangle, set aspect ratio to 3:4
                    const { topCrop } = await smartcrop.crop(image, {
                        width: 3,
                        height: 4,
                    });

                    // Update the editor crop
                    $(editor).pintura('imageCrop', topCrop);
                };
            }
        });
    });
</script>

```