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60 lines
1.1 KiB
60 lines
1.1 KiB
const clamp = (p, s, e) => {
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s = s || 0;
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e = e || p;
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return p < s ? s : (p > e ? e : p);
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};
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const spectrum = (p) => {
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return {
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r: clamp(1.0 - (p*2), 0, 1),
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g: p < 0.5 ? p / 0.5 : (p-0.5),
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b: clamp(p, 0.5, 1),
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toBytes: function() {
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var bytes = {
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r: floor(this.r * 255),
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g: floor(this.g * 255),
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b: floor(this.b * 255),
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toString: function() {
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return "#"+bytes.r.toString(16)+bytes.g.toString(16)+bytes.b.toString(16);
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}
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};
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return bytes;
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}
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};
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};
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const genrgb = (r,g,b) =>{ return {r: r, g: g, b: b}; };
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function ColouredBar(par, bars) {
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const elem = document.createElement("div");
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var str = "";
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var pct = 0;
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for(let i=0;i<bars.length;i++) {
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const bar = bars[i];
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pct += bar.frag;
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str +=","+ bar.colour+" "+(pct*100)+"%"+ ((i<bars.length-1)? ", "+(pct*100)+"%":"");
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}
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elem.setAttribute("class", "filebar");
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if(bars.length<1)
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elem.style.background = "grey";
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else
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elem.style.background = 'linear-gradient(90deg '+str+')';
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this.frags = bars;
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this.element = elem;
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this.parent = par;
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par.appendChild(elem);
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}
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var BAR = ColouredBar.prototype;
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BAR.remove = function() {
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this.element.remove();
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};
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