aa6b1735d3
index.htm and index.js and peek.js: - add expand and peek function for peek expand to removeEventListener if not expanded - add peekexp and segvexp in settings to save status (wip) - add File System in settings
58 lines
1.9 KiB
JavaScript
58 lines
1.9 KiB
JavaScript
function peek(c, setOff=false) {
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console.log("peek",c, setOff);
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// Check for canvas support
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var ctx = c.getContext('2d');
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if (ctx) { // Access the rendering context
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// use parent WS or open new
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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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if (ws && ws.readyState === WebSocket.OPEN) {
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ws.send("{'lv':true}");
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} else {
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ws = new WebSocket((window.location.protocol == "https:"?"wss":"ws")+"://"+document.location.host+"/ws");
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ws.onopen = ()=>{
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ws.send("{'lv':true}");
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}
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}
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ws.binaryType = "arraybuffer";
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function myFunction(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(e.data);
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if (leds[0] != 76 || leds[1] != 2 || !ctx) return; //'L', set in ws.cpp
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let mW = leds[2]; // matrix width
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let mH = leds[3]; // matrix height
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let pPL = Math.min(c.width / mW, (c.height-10) / mH); // pixels per LED (width of circle) WLEDMM -10 for prompts
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let lOf = Math.floor((c.width - pPL*mW)/2); //left offeset (to center matrix)
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var i = 6;
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ctx.clearRect(0, 0, c.width, c.height); //WLEDMM
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function colorAmp(color) {
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if (color == 0) return 0;
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return 25+225*color/255;
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} //WLEDMM in range 55 - 205
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for (y=0.5;y<mH;y++) for (x=0.5; x<mW; x++) {
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ctx.fillStyle = `rgb(${colorAmp(leds[i])},${colorAmp(leds[i+1])},${colorAmp(leds[i+2])})`;
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ctx.beginPath();
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ctx.arc(x*pPL+lOf, y*pPL, pPL*0.4, 0, 2 * Math.PI);
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ctx.fill();
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i+=3;
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}
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//WLEDMM show preset and playlist id
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ctx.fillStyle = `rgb(255,255,255)`;
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if (leds[4] != 0) ctx.fillText("preset " + leds[4].toString(), lOf, mH*pPL+10);
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if (leds[5] != 255) ctx.fillText("playlist " + leds[5].toString(), lOf + 70, mH*pPL+10);
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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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if (!setOff)
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ws.addEventListener('message', myFunction);
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else
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ws.removeEventListener('message', myFunction);
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}
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} |