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index.html
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<!DOCTYPE html>
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<html>
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<head>
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<meta charset="utf-8">
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<title>GrechnikNet — Test</title>
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<style>
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body { background:#111; color:#eee; font-family:sans-serif; text-align:center; }
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video, img { width: 480px; border:1px solid #333; border-radius:8px; margin:10px; }
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button { padding:10px 16px; border:none; border-radius:6px; background:#3a6df0; color:#fff; cursor:pointer; }
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</style>
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</head>
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<body>
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<h2>GrechnikNet — Test API</h2>
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<p>Нажми кнопку, чтобы сделать кадр и отправить на сервер</p>
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<video id="video" autoplay playsinline></video><br>
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<button id="snapBtn">Сделать кадр</button><br>
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<img id="resultImg" alt="Результат появится здесь">
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<script>
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const video = document.getElementById('video');
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const snapBtn = document.getElementById('snapBtn');
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const resultImg = document.getElementById('resultImg');
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// Запрашиваем доступ к камере
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navigator.mediaDevices.getUserMedia({ video: { facingMode: 'environment', width: 480 }, audio: false })
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.then(stream => { video.srcObject = stream; })
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.catch(err => { alert("Ошибка доступа к камере: " + err); });
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snapBtn.onclick = async () => {
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// Снимаем кадр в canvas
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const canvas = document.createElement('canvas');
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canvas.width = video.videoWidth;
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canvas.height = video.videoHeight;
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const ctx = canvas.getContext('2d');
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ctx.drawImage(video, 0, 0);
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// Конвертим в Blob
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const blob = await new Promise(resolve => canvas.toBlob(resolve, 'image/jpeg', 0.85));
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// Отправляем на сервер
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const formData = new FormData();
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formData.append('file', blob, 'frame.jpg');
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formData.append('conf', '0.25');
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formData.append('iou', '0.45');
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formData.append('return_image', '1');
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try {
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const resp = await fetch('/predict', { method: 'POST', body: formData });
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if (!resp.ok) {
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const text = await resp.text();
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alert("Ошибка сервера: " + text);
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return;
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}
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const arrBuf = await resp.arrayBuffer();
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const blobRes = new Blob([arrBuf], { type: 'image/jpeg' });
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resultImg.src = URL.createObjectURL(blobRes);
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} catch (e) {
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alert("Ошибка запроса: " + e);
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}
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};
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</script>
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</body>
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</html>
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