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Update index.html
Browse files- index.html +50 -0
index.html
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<!DOCTYPE html>
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<html>
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<head>
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<title>SAM2 Interactive</title>
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<style>
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body { font-family: sans-serif; }
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#canvas { border: 1px solid #ccc; cursor: crosshair; }
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</style>
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</head>
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<body>
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<h1>Interactive SAM2 Segmentation</h1>
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<input type="file" id="upload" accept="image/*">
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<canvas id="canvas"></canvas>
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<script>
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const canvas = document.getElementById("canvas");
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const ctx = canvas.getContext("2d");
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let img = new Image();
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document.getElementById("upload").addEventListener("change", function(e) {
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const file = e.target.files[0];
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const reader = new FileReader();
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reader.onload = function(evt) {
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img.onload = function() {
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canvas.width = img.width;
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canvas.height = img.height;
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ctx.drawImage(img, 0, 0);
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}
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img.src = evt.target.result;
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}
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reader.readAsDataURL(file);
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});
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canvas.addEventListener("contextmenu", e => e.preventDefault()); // disable default right-click menu
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canvas.addEventListener("mousedown", function(e) {
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const rect = canvas.getBoundingClientRect();
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const x = Math.round(e.clientX - rect.left);
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const y = Math.round(e.clientY - rect.top);
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if (e.button === 0) {
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console.log("Negative point:", x, y);
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// send to backend with label=0
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} else if (e.button === 2) {
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console.log("Positive point:", x, y);
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// send to backend with label=1
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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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