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import React, { useCallback, useState } from "react";
import { TextField, Grid } from "@mui/material";
function App() {
const [inputPrompt, setInputPrompt] = useState("");
const [lastPrompt, setLastPrompt] = useState("");
const [images, setImages] = useState(Array(16).fill("images/white.jpg"));
const calculateEditDistance = (a: string, b: string) => {
if (a.length === 0) return b.length;
if (b.length === 0) return a.length;
const matrix = [];
for (let i = 0; i <= b.length; i++) {
matrix[i] = [i];
}
for (let i = 0; i <= a.length; i++) {
matrix[0][i] = i;
}
for (let i = 1; i <= b.length; i++) {
for (let j = 1; j <= a.length; j++) {
if (b.charAt(i - 1) === a.charAt(j - 1)) {
matrix[i][j] = matrix[i - 1][j - 1];
} else {
matrix[i][j] = Math.min(
matrix[i - 1][j - 1] + 1,
Math.min(matrix[i][j - 1] + 1, matrix[i - 1][j] + 1)
);
}
}
}
return matrix[b.length][a.length];
};
const fetchImage = useCallback(
async (index: number) => {
try {
const response = await fetch("api/predict", {
method: "POST",
headers: { "Content-Type": "application/json" },
body: JSON.stringify({ prompt: inputPrompt }),
});
const data = await response.json();
const imageUrl = `data:image/jpeg;base64,${data.base64_image}`;
setImages((prevImages) => {
const newImages = [...prevImages];
newImages[index] = imageUrl;
return newImages;
});
} catch (error) {
console.error("Error fetching image:", error);
}
},
[inputPrompt]
);
const handlePromptChange = (event: React.ChangeEvent<HTMLInputElement>) => {
setInputPrompt(event.target.value);
const newPrompt = event.target.value;
const editDistance = calculateEditDistance(lastPrompt, newPrompt);
if (editDistance >= 4) {
setInputPrompt(newPrompt);
setLastPrompt(newPrompt);
for (let i = 0; i < 16; i++) {
fetchImage(i);
}
}
};
return (
<div
className="App"
style={{
backgroundColor: "#282c34",
height: "100vh",
display: "flex",
alignItems: "center",
justifyContent: "center",
margin: "0",
color: "#ffffff",
padding: "20px",
}}
>
<div
style={{
backgroundColor: "#282c34",
alignItems: "center",
justifyContent: "center",
display: "flex",
flexDirection: "column",
}}
>
<Grid
container
spacing={1}
style={{ maxWidth: "60rem", maxHeight: "70%" }}
>
{images.map((image, index) => (
<Grid item xs={3} key={index}>
<img
src={image}
alt={`Generated ${index}`}
style={{
display: "block",
margin: "0 auto",
maxWidth: "100%",
maxHeight: "150px",
borderRadius: "10px",
}}
/>
</Grid>
))}
</Grid>
<TextField
variant="outlined"
value={inputPrompt}
onChange={handlePromptChange}
style={{
marginBottom: "20px",
marginTop: "20px",
width: "100%",
maxWidth: "50rem",
color: "#ffffff",
borderColor: "#ffffff",
borderRadius: "10px",
backgroundColor: "#ffffff",
}}
placeholder="Enter a prompt"
/>
</div>
</div>
);
}
export default App;
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