playground/create-lock-screen.html at master · kiewic/playground · GitHub

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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>Text with Padding on Canvas</title>
    <style>
        body {
            background-color: #000;
            display: flex;
            justify-content: center;
            align-items: center;
            height: 100vh;
            width: 100vw;
            margin: 0;
        }
        canvas {
            display: block;
        }
    </style>
</head>
<body>

<canvas id="myCanvas"></canvas>

<script>
    setTimeout(() => {
    const canvas = document.getElementById('myCanvas');
    canvas.width = window.innerWidth;
    canvas.height = window.innerHeight;
    const ctx = canvas.getContext('2d');

    // Define the text with syllables
    const text = `Oh-ha-you go-zai-ma-su    Good morning
Kon-ni-chi-wa    Good afternoon / Hello
Kon-ban-wa    Good evening
A-ri-ga-tou go-zai-ma-su    Thank you
Su-mi-ma-sen    Excuse me
Ku-da-sai    Please
Hai / I-i-e    Yes / No
I-ku-ra de-su ka?    How much?
To-i-re wa do-ko de-su ka?    Where is the bathroom?
Ei-go o ha-na-se-ma-su ka?    Do you speak English?
I-ra-sshai-ma-se    Welcome
I-chi    1
Ni    2
San    3
Shi / Yon    4
Go    5
Ko-re    This
Ku-re-ji-tto kaa-do    Credit card`;

    // Set padding/margin
    const padding = 40;
    const textX = padding * 2;
    const fontSize = 16;
    const lineHeight = 20;
    const textY = padding * 4 + fontSize; // Adding initial padding for top margin

    // Inverted color scheme
    ctx.fillStyle = "#000";  // Background color (black)
    ctx.fillRect(0, 0, canvas.width, canvas.height);
    console.log(canvas.width, canvas.height);

    ctx.font = `${fontSize}px Arial`;
    // ctx.font = `bold ${fontSize}px Arial`;
    ctx.fillStyle = "#FFF";  // Text color (white)

    // // rotate the lines horizontally but keep the text in the screen
    // ctx.save();
    // ctx.translate(canvas.width / 2, canvas.height / 2);
    // ctx.rotate(Math.PI / 2);
    // ctx.translate(-canvas.width / 2, -canvas.height / 2);


    // Split text into lines and draw each line with padding
    const lines = text.split('\n');
    lines.forEach((line, index) => {
        ctx.fillText(line, textX, textY + index * lineHeight);
    });

    // You can also add the functionality to save this canvas as an image if needed:
    // const img = canvas.toDataURL("image/png").replace("image/png", "image/octet-stream");
    // window.location.href = img; // This will download the image
});
</script>

</body>
</html>