Click here to Skip to main content
16,017,248 members
Please Sign up or sign in to vote.
1.00/5 (1 vote)
See more:
I have tried but it's only changing width and height using CSS and I need it to save it after changing dimensions.

What I have tried:

JavaScript
var resize = $('[id*=uploadImage]').croppie({
    enableExif: true,
    enableOrientation: true,    
    viewport: { // Default { width: 100, height: 100, type: 'square' } 
        width: 200,
        height: 200,
        type: 'square' //circle
    },
    boundary: {
        width: 300,
        height: 300
    }
});
Posted
Updated 26-Jul-20 22:42pm

1 solution

Believe this should help: Compress, resize and manage images using JavaScript directly from the browser - zocada[^]

Take advantage of the HTML5 Canvas that is used to draw graphics on a web page.

JavaScript
/*
<!-- HTML Part -->
<input id="file" type="file" accept="image/*">
<script>
    document.getElementById("file").addEventListener("change", function (event) {
	compress(event);
});
</script>
*/

compress(e) {
    const width = 500;
    const height = 300;
    const fileName = e.target.files[0].name;
    const reader = new FileReader();
    reader.readAsDataURL(e.target.files[0]);
    reader.onload = event => {
        const img = new Image();
        img.src = event.target.result;
        img.onload = () => {
                const elem = document.createElement('canvas');
                elem.width = width;
                elem.height = height;
                const ctx = elem.getContext('2d');
                // img.width and img.height will contain the original dimensions
                ctx.drawImage(img, 0, 0, width, height);
                ctx.canvas.toBlob((blob) => {
                    const file = new File([blob], fileName, {
                        type: 'image/jpeg',
                        lastModified: Date.now()
                    });
                }, 'image/jpeg', 1);
            },
            reader.onerror = error => console.log(error);
    };
}
 
Share this answer
 

This content, along with any associated source code and files, is licensed under The Code Project Open License (CPOL)



CodeProject, 20 Bay Street, 11th Floor Toronto, Ontario, Canada M5J 2N8 +1 (416) 849-8900