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import React, { useState } from 'react';
const BACK_END_URL = 'http://localhost:5000'
const ImageProcessor = (): JSX.Element => {
const [file, setFile] = useState<File | null>(null);
const [downloadUrl, setDownloadUrl] = useState<string>('');
const handleFileChange = (event: React.ChangeEvent<HTMLInputElement>): void => {
if (event.target.files) {
setFile(event.target.files[0]);
}
};
const processImage = async (operation: 'edge_detection' | 'color_inversion'): Promise<void> => {
if (!file) {
alert('Please select a file first!');
return;
}
const formData = new FormData();
formData.append('image', file);
formData.append('operation', operation);
try {
const response = await fetch(`${BACK_END_URL}/upload`, {
method: 'POST',
body: formData,
});
const data = await response.json();
if (response.ok) {
setDownloadUrl(`${data.processed_file}`);
console.log(data.processed_file)
alert('File processed successfully!');
} else {
alert(data.error || 'Failed to process the file');
}
} catch (error) {
alert('Error connecting to the server');
}
};
const downloadImage = (): void => {
if (!downloadUrl) {
alert('No processed image available for download!');
return;
}
window.open(downloadUrl);
};
return (
<div className="p-8 bg-white rounded-lg shadow-md flex flex-col items-center">
<h2 className="text-2xl font-bold mb-4">Image Processing</h2>
<div className="mb-4">
<label className="block mb-2">Upload an image</label>
<input type="file" onChange={handleFileChange} className="mb-4" />
</div>
<div className="flex flex-row justify-between w-full mb-4">
<button onClick={() => processImage('edge_detection')} className="bg-black text-white font-bold py-2 px-4 rounded w-full mr-2">
Edge Detection
</button>
<button onClick={() => processImage('color_inversion')} className="bg-black text-white font-bold py-2 px-4 rounded w-full ml-2">
Color Inversion
</button>
</div>
<img className='border-8 border-red-50' src={downloadUrl == '' ? "https://placehold.co/600x400" : downloadUrl} />
<button onClick={downloadImage} className="bg-black text-white font-bold py-2 px-4 rounded w-full">
Download
</button>
</div>
);
};
export default ImageProcessor;
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