my_code/CameraCamera.html at main · Gul7333/my_code · GitHub

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<!DOCTYPE html>
<html>
<head>
    <meta http-equiv="content-type" content="text/html; charset=utf-8" />
    <meta name="viewport" content="width=device-width, initial-scale=1.0" />
    <style type="text/css" media="all">
        pre {
            white-space: pre-wrap;
        }
        video {
            /* transform: scaleX(-1); */
        }
    </style>
    <title></title>
</head>
<body>
    <video
        id="video"
        src=""
        height="500"
        width="360"
        preload="none"
        autoplay="autoplay"
        muted
    ></video>

    <pre id="pre"></pre>

    <script src="https://cdn.jsdelivr.net/npm/tesseract.js@5/dist/tesseract.min.js"></script>
    <script type="text/javascript" charset="utf-8">
        const preTag = document.getElementById("pre");
        const video = document.getElementById("video");
        const body = document.querySelector("body");

        async function setVideo() {
            const stream = await navigator.mediaDevices.getUserMedia({
                video: { facingMode: 'environment' }
            });
            video.srcObject = stream;
        }

        async function setUp() {
            const worker = await Tesseract.createWorker("eng");

            const canvas = document.createElement("canvas");
            canvas.width = video.width;
            canvas.height = video.height;

            canvas
                .getContext("2d")
                .drawImage(video, 0, 0, video.width, video.height);

            body.append(canvas);
            if(canvasLoaded(canvas)) {

            const ret = await worker.recognize(canvas, 'eng');
            preTag.textContent = ret.data.text;
}

            await worker.terminate();
        }

        // Ensure the video is loaded before calling setUp
             setVideo();
        video.addEventListener('loadeddata', async () => {
            await setUp();
        });
    </script>
</body>
</html>