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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>Static Image Unscrambling Demo</title>
<style>
body {
font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
line-height: 1.6;
background-color: #f0f2f5;
color: #333;
display: flex;
justify-content: center;
align-items: center;
min-height: 100vh;
margin: 0;
padding: 1rem;
box-sizing: border-box;
}
.container {
max-width: 800px;
width: 100%;
background: #fff;
padding: 2rem;
border-radius: 12px;
box-shadow: 0 8px 30px rgba(0, 0, 0, 0.1);
text-align: center;
}
h1 {
color: #1d4ed8;
margin-bottom: 0.5rem;
}
p {
color: #555;
max-width: 600px;
margin: 0 auto 1.5rem auto;
}
.canvas-container {
border: 2px dashed #ccc;
padding: 8px;
border-radius: 8px;
display: inline-block;
line-height: 0;
margin-top: 1rem;
}
canvas {
max-width: 100%;
height: auto;
image-rendering: pixelated; /* For sharp pixels on up-scaling */
}
#loading-message {
font-weight: bold;
color: #888;
}
</style>
</head>
<body>
<div class="container">
<h1>Non-Downloadable Image Demo</h1>
<p>
The image below is reconstructed in your browser using JavaScript.
The server only provided a <strong>scrambled image</strong> and a <strong>map file</strong>.
The final image exists only on this canvas, preventing a simple "Save Image As...".
</p>
<div class="canvas-container">
<div id="loading-message">Loading assets and unscrambling...</div>
<canvas id="unscramble-canvas"></canvas>
</div>
</div>
<!-- The unscrambling logic is in this script -->
<script src="script.js"></script>
</body>
</html> |