Squashed 'vendor/ruvector/' content from commit b64c2172

git-subtree-dir: vendor/ruvector
git-subtree-split: b64c21726f2bb37286d9ee36a7869fef60cc6900
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ruv
2026-02-28 14:39:40 -05:00
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<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>Mathpix WASM Demo</title>
<style>
* {
margin: 0;
padding: 0;
box-sizing: border-box;
}
body {
font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
min-height: 100vh;
padding: 20px;
}
.container {
max-width: 1200px;
margin: 0 auto;
background: white;
border-radius: 12px;
box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
overflow: hidden;
}
header {
background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
color: white;
padding: 30px;
text-align: center;
}
h1 {
font-size: 2.5em;
margin-bottom: 10px;
}
.subtitle {
opacity: 0.9;
font-size: 1.1em;
}
.content {
padding: 30px;
}
.upload-section {
border: 2px dashed #667eea;
border-radius: 8px;
padding: 40px;
text-align: center;
margin-bottom: 30px;
cursor: pointer;
transition: all 0.3s;
}
.upload-section:hover {
background: #f8f9ff;
border-color: #764ba2;
}
.upload-section.dragover {
background: #e8ebff;
border-color: #667eea;
transform: scale(1.02);
}
.upload-icon {
font-size: 48px;
margin-bottom: 15px;
color: #667eea;
}
input[type="file"] {
display: none;
}
.btn {
background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
color: white;
border: none;
padding: 12px 30px;
border-radius: 6px;
font-size: 16px;
cursor: pointer;
transition: transform 0.2s, box-shadow 0.2s;
margin: 5px;
}
.btn:hover {
transform: translateY(-2px);
box-shadow: 0 4px 12px rgba(102, 126, 234, 0.4);
}
.btn:active {
transform: translateY(0);
}
.btn:disabled {
opacity: 0.5;
cursor: not-allowed;
}
.options {
display: flex;
gap: 20px;
margin-bottom: 20px;
flex-wrap: wrap;
}
.option-group {
flex: 1;
min-width: 200px;
}
label {
display: block;
margin-bottom: 5px;
font-weight: 600;
color: #333;
}
select, input[type="range"] {
width: 100%;
padding: 8px;
border: 1px solid #ddd;
border-radius: 4px;
font-size: 14px;
}
.threshold-value {
display: inline-block;
margin-left: 10px;
font-weight: bold;
color: #667eea;
}
.preview-section {
display: grid;
grid-template-columns: 1fr 1fr;
gap: 20px;
margin-bottom: 20px;
}
.preview-box {
border: 1px solid #ddd;
border-radius: 8px;
padding: 15px;
background: #f9f9f9;
}
.preview-box h3 {
margin-bottom: 15px;
color: #333;
}
canvas {
max-width: 100%;
border: 1px solid #ddd;
border-radius: 4px;
background: white;
}
.results-section {
border: 1px solid #ddd;
border-radius: 8px;
padding: 20px;
background: #f9f9f9;
margin-top: 20px;
}
.result-item {
background: white;
padding: 15px;
border-radius: 6px;
margin-bottom: 10px;
border-left: 4px solid #667eea;
}
.result-label {
font-weight: 600;
color: #667eea;
margin-bottom: 5px;
}
.result-value {
font-family: 'Courier New', monospace;
background: #f5f5f5;
padding: 10px;
border-radius: 4px;
white-space: pre-wrap;
word-break: break-all;
}
.confidence-bar {
height: 8px;
background: #e0e0e0;
border-radius: 4px;
overflow: hidden;
margin-top: 10px;
}
.confidence-fill {
height: 100%;
background: linear-gradient(90deg, #667eea 0%, #764ba2 100%);
transition: width 0.3s;
}
.loading {
text-align: center;
padding: 20px;
color: #667eea;
}
.spinner {
border: 3px solid #f3f3f3;
border-top: 3px solid #667eea;
border-radius: 50%;
width: 40px;
height: 40px;
animation: spin 1s linear infinite;
margin: 20px auto;
}
@keyframes spin {
0% { transform: rotate(0deg); }
100% { transform: rotate(360deg); }
}
.error {
background: #fee;
border-left: 4px solid #f44;
color: #c33;
padding: 15px;
border-radius: 6px;
margin-top: 10px;
}
.stats {
display: flex;
gap: 20px;
margin-top: 20px;
flex-wrap: wrap;
}
.stat-card {
flex: 1;
min-width: 150px;
background: white;
padding: 15px;
border-radius: 6px;
text-align: center;
}
.stat-value {
font-size: 2em;
font-weight: bold;
color: #667eea;
}
.stat-label {
color: #666;
margin-top: 5px;
}
@media (max-width: 768px) {
.preview-section {
grid-template-columns: 1fr;
}
}
</style>
</head>
<body>
<div class="container">
<header>
<h1>🔬 Mathpix WASM Demo</h1>
<p class="subtitle">OCR with LaTeX support powered by WebAssembly</p>
</header>
<div class="content">
<!-- Upload Section -->
<div class="upload-section" id="dropZone">
<div class="upload-icon">📸</div>
<h2>Drop an image here or click to upload</h2>
<p>Supports PNG, JPEG, and other image formats</p>
<input type="file" id="fileInput" accept="image/*">
<button class="btn" onclick="document.getElementById('fileInput').click()">
Choose File
</button>
</div>
<!-- Options -->
<div class="options">
<div class="option-group">
<label for="formatSelect">Output Format:</label>
<select id="formatSelect">
<option value="both">Both (Text + LaTeX)</option>
<option value="text">Text Only</option>
<option value="latex">LaTeX Only</option>
</select>
</div>
<div class="option-group">
<label for="thresholdSlider">
Confidence Threshold:
<span class="threshold-value" id="thresholdValue">0.50</span>
</label>
<input type="range" id="thresholdSlider" min="0" max="100" value="50">
</div>
<div class="option-group">
<label for="workerCheckbox">
<input type="checkbox" id="workerCheckbox" checked>
Use Web Worker
</label>
</div>
</div>
<!-- Preview Section -->
<div class="preview-section" style="display: none;" id="previewSection">
<div class="preview-box">
<h3>Original Image</h3>
<canvas id="canvas"></canvas>
</div>
<div class="preview-box">
<h3>Processing Info</h3>
<div id="processingInfo"></div>
<button class="btn" id="processBtn" disabled>Process Image</button>
</div>
</div>
<!-- Results Section -->
<div class="results-section" style="display: none;" id="resultsSection">
<h3>Recognition Results</h3>
<div id="results"></div>
</div>
<!-- Stats -->
<div class="stats" style="display: none;" id="statsSection">
<div class="stat-card">
<div class="stat-value" id="imageCount">0</div>
<div class="stat-label">Images Processed</div>
</div>
<div class="stat-card">
<div class="stat-value" id="avgTime">0ms</div>
<div class="stat-label">Avg. Processing Time</div>
</div>
<div class="stat-card">
<div class="stat-value" id="wasmVersion">-</div>
<div class="stat-label">WASM Version</div>
</div>
</div>
</div>
</div>
<script type="module">
import scipix from './index.js';
let currentImage = null;
let stats = {
count: 0,
totalTime: 0
};
// Initialize
(async () => {
try {
const version = await scipix.getVersion();
document.getElementById('wasmVersion').textContent = version;
console.log('Mathpix initialized, version:', version);
} catch (error) {
console.error('Failed to initialize:', error);
showError('Failed to initialize WASM module: ' + error.message);
}
})();
// File input handler
const fileInput = document.getElementById('fileInput');
const dropZone = document.getElementById('dropZone');
const canvas = document.getElementById('canvas');
const processBtn = document.getElementById('processBtn');
const thresholdSlider = document.getElementById('thresholdSlider');
const thresholdValue = document.getElementById('thresholdValue');
fileInput.addEventListener('change', handleFileSelect);
processBtn.addEventListener('click', processImage);
thresholdSlider.addEventListener('input', (e) => {
const value = (e.target.value / 100).toFixed(2);
thresholdValue.textContent = value;
});
// Drag and drop
dropZone.addEventListener('dragover', (e) => {
e.preventDefault();
dropZone.classList.add('dragover');
});
dropZone.addEventListener('dragleave', () => {
dropZone.classList.remove('dragover');
});
dropZone.addEventListener('drop', (e) => {
e.preventDefault();
dropZone.classList.remove('dragover');
const files = e.dataTransfer.files;
if (files.length > 0) {
handleFile(files[0]);
}
});
dropZone.addEventListener('click', () => {
fileInput.click();
});
function handleFileSelect(e) {
const files = e.target.files;
if (files.length > 0) {
handleFile(files[0]);
}
}
async function handleFile(file) {
if (!file.type.startsWith('image/')) {
showError('Please select an image file');
return;
}
try {
currentImage = file;
// Show preview
const img = await createImageBitmap(file);
const ctx = canvas.getContext('2d');
canvas.width = img.width;
canvas.height = img.height;
ctx.drawImage(img, 0, 0);
// Show preview section
document.getElementById('previewSection').style.display = 'grid';
document.getElementById('processingInfo').innerHTML = `
<div class="result-item">
<div class="result-label">File Name:</div>
<div class="result-value">${file.name}</div>
</div>
<div class="result-item">
<div class="result-label">Size:</div>
<div class="result-value">${(file.size / 1024).toFixed(2)} KB</div>
</div>
<div class="result-item">
<div class="result-label">Dimensions:</div>
<div class="result-value">${img.width} × ${img.height}</div>
</div>
`;
processBtn.disabled = false;
} catch (error) {
showError('Failed to load image: ' + error.message);
}
}
async function processImage() {
if (!currentImage) return;
processBtn.disabled = true;
showLoading();
try {
const format = document.getElementById('formatSelect').value;
const threshold = parseFloat(thresholdSlider.value) / 100;
const useWorker = document.getElementById('workerCheckbox').checked;
const startTime = performance.now();
let result;
if (useWorker) {
const worker = scipix.createWorker();
result = await worker.recognize(
new Uint8Array(await currentImage.arrayBuffer()),
{ format, confidenceThreshold: threshold }
);
worker.terminate();
} else {
result = await scipix.recognizeFile(currentImage, {
format,
confidenceThreshold: threshold
});
}
const endTime = performance.now();
const processingTime = Math.round(endTime - startTime);
// Update stats
stats.count++;
stats.totalTime += processingTime;
updateStats(processingTime);
// Show results
showResults(result, processingTime);
} catch (error) {
showError('Processing failed: ' + error.message);
} finally {
processBtn.disabled = false;
}
}
function showLoading() {
const resultsSection = document.getElementById('resultsSection');
resultsSection.style.display = 'block';
resultsSection.innerHTML = `
<div class="loading">
<div class="spinner"></div>
<p>Processing image...</p>
</div>
`;
}
function showResults(result, processingTime) {
const resultsSection = document.getElementById('resultsSection');
resultsSection.style.display = 'block';
const confidencePercent = (result.confidence * 100).toFixed(1);
let html = `
<div class="result-item">
<div class="result-label">Text:</div>
<div class="result-value">${result.text || '(empty)'}</div>
</div>
`;
if (result.latex) {
html += `
<div class="result-item">
<div class="result-label">LaTeX:</div>
<div class="result-value">${result.latex}</div>
</div>
`;
}
html += `
<div class="result-item">
<div class="result-label">Confidence: ${confidencePercent}%</div>
<div class="confidence-bar">
<div class="confidence-fill" style="width: ${confidencePercent}%"></div>
</div>
</div>
<div class="result-item">
<div class="result-label">Processing Time:</div>
<div class="result-value">${processingTime}ms</div>
</div>
`;
resultsSection.innerHTML = `<h3>Recognition Results</h3>${html}`;
}
function showError(message) {
const resultsSection = document.getElementById('resultsSection');
resultsSection.style.display = 'block';
resultsSection.innerHTML = `
<div class="error">
<strong>Error:</strong> ${message}
</div>
`;
}
function updateStats(lastTime) {
document.getElementById('statsSection').style.display = 'flex';
document.getElementById('imageCount').textContent = stats.count;
document.getElementById('avgTime').textContent =
Math.round(stats.totalTime / stats.count) + 'ms';
}
</script>
</body>
</html>