2020-12-19 17:26:36 +00:00
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<!DOCTYPE html>
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<html>
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<head>
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<meta name="viewport" content="width=device-width, initial-scale=1, minimum-scale=1">
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<meta charset="utf-8">
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<meta name="theme-color" content="#222222">
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<title>WLED Live Preview</title>
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<style>
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body {
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margin: 0;
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}
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#canv {
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background: black;
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filter: brightness(175%);
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width: 100%;
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height: 100%;
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position: absolute;
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}
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</style>
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</head>
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<body>
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2022-08-09 19:14:37 +00:00
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<div id="canv"></div>
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2020-12-19 17:26:36 +00:00
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<script>
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2022-03-24 11:17:10 +00:00
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var ws;
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try {
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ws = top.window.ws;
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} catch (e) {}
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2021-07-08 00:01:17 +00:00
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if (ws && ws.readyState === WebSocket.OPEN) {
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2022-08-09 19:14:37 +00:00
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//console.info("Peek uses top WS");
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2021-07-08 00:01:17 +00:00
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ws.send("{'lv':true}");
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} else {
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2022-02-01 11:02:04 +00:00
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console.info("Peek WS opening");
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2022-03-07 17:26:53 +00:00
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ws = new WebSocket((window.location.protocol == "https:"?"wss":"ws")+"://"+document.location.host+"/ws");
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2021-07-08 00:01:17 +00:00
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ws.onopen = function () {
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2022-08-09 19:14:37 +00:00
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//console.info("Peek WS open");
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2021-07-08 00:01:17 +00:00
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ws.send("{'lv':true}");
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}
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2020-12-19 17:26:36 +00:00
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}
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2022-02-01 11:02:04 +00:00
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ws.binaryType = "arraybuffer";
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2022-08-09 19:14:37 +00:00
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ws.addEventListener('message', (e) => {
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try {
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if (toString.call(e.data) === '[object ArrayBuffer]') {
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let leds = new Uint8Array(event.data);
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if (leds[0] != 76) return; //'L'
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let str = "linear-gradient(90deg,";
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let len = leds.length;
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let start = leds[1]==2 ? 4 : 2; // 1 = 1D, 2 = 1D/2D (leds[2]=w, leds[3]=h)
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for (i = start; i < len; i+=3) {
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str += `rgb(${leds[i]},${leds[i+1]},${leds[i+2]})`;
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if (i < len -3) str += ","
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}
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str += ")";
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document.getElementById("canv").style.background = str;
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}
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} catch (err) {
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console.error("Peek WS error:",err);
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}
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});
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2020-12-19 17:26:36 +00:00
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</script>
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</body>
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</html>
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