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<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title>Upload PDF for Sprite Extraction</title>
<style>
body { font-family: Arial; padding: 20px; background: #f5f5f5; }
.sprite { margin: 20px; padding: 10px; background: white; border: 1px solid #ccc; display: inline-block; width: 250px; }
.sprite img { width: 100%; }
#status { margin-top: 15px; font-weight: bold; }
</style>
</head>
<body>
<h2>Upload PDF for Image Extraction and Captioning</h2>
<form id="pdfForm" enctype="multipart/form-data">
<input type="file" id="pdfFile" name="pdf_file" accept="application/pdf">
<button type="submit">Upload & Process</button>
</form>
<div id="status"></div>
<div id="result-container"></div>
<script>
const form = document.getElementById('pdfForm');
const statusEl = document.getElementById('status');
const resultEl = document.getElementById('result-container');
form.addEventListener('submit', async (e) => {
e.preventDefault();
const fileInput = document.getElementById('pdfFile');
if (!fileInput.files[0]) {
alert('Please select a PDF file.');
return;
}
statusEl.textContent = 'Uploading and processing...';
resultEl.innerHTML = '';
const formData = new FormData();
formData.append('pdf_file', fileInput.files[0]);
try {
const res = await fetch('/process_pdf', {
method: 'POST',
body: formData
});
const data = await res.json();
if (!res.ok) throw new Error(data.error || 'Upload failed');
statusEl.textContent = data.message;
const sprites = data.sprites;
for (const [key, sprite] of Object.entries(sprites)) {
const div = document.createElement('div');
div.className = 'sprite';
const img = document.createElement('img');
img.src = `data:image/png;base64,${sprite.base64}`;
const name = document.createElement('h4');
name.textContent = sprite.name;
const desc = document.createElement('p');
desc.textContent = sprite.description;
div.appendChild(img);
div.appendChild(name);
div.appendChild(desc);
resultEl.appendChild(div);
}
} catch (err) {
statusEl.textContent = `❌ Error: ${err.message}`;
}
});
</script>
</body>
</html> |