jeans/WLED
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Fix Firefox loading order, more resilient fallback to gradient method

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zanhecht 2023-12-28 13:06:13 -05:00 committed by GitHub
parent 901d56f898
commit 55eceb4080
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1 changed files with 10 additions and 12 deletions
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22
wled00/data/liveview.htm
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@ -24,13 +24,7 @@
</style>
<script>
var ws;
var c = document.getElementById('canvas');
var ctx = c.getContext('2d');
var tmout = null;
function setCanvas() {
c.width = document.documentElement.clientWidth;
}
setCanvas();
function update() // via HTTP (/json/live)
{
if (document.hidden) {
@ -50,14 +44,16 @@
var leddata = (data) => "#" + ((data.length > 6) ? data.substring(2) : data);
var str = "linear-gradient(90deg,";
var len = json.leds.length;
if (typeof ctx === "object") { //canvas support
setCanvas();
try { //canvas support
var c = document.getElementById('canvas');
var ctx = c.getContext('2d');
c.width = document.documentElement.clientWidth;
ctx.clearRect(0, 0, c.width, c.height);
for (i = 0; i < len; i++) {
ctx.fillStyle = leddata(json.leds[i]);
ctx.fillRect ( i * c.width / len, 0, c.width, c.height);
}
} else { //fallback to gradient method
} catch (e) { //fallback to gradient method
for (i = 0; i < len; i++) {
str += leddata(json.leds[i]) + ((i < len -1) ? "," : "");
}
@ -108,14 +104,16 @@
let len = leds.length;
let start = leds[1]==2 ? 4 : 2; // 1 = 1D, 2 = 1D/2D (leds[2]=w, leds[3]=h)
let rgb = (i) => `rgb(${leds[i]},${leds[i+1]},${leds[i+2]})`;
if (typeof ctx === "object") { //canvas support
setCanvas();
try { //canvas support
var c = document.getElementById('canvas');
var ctx = c.getContext('2d');
c.width = document.documentElement.clientWidth;
ctx.clearRect(0, 0, c.width, c.height);
for (i = start; i < len; i+=3) {
ctx.fillStyle = rgb(i);
ctx.fillRect ( (i - start) * c.width / (len - start), 0, c.width, c.height);
}
} else { //fallback to gradient method
} catch (e) { //fallback to gradient method
let str = "linear-gradient(90deg,";
for (i = start; i < len; i+=3) {
str += rgb(i) + ((i < len -3) ? "," : "");