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function Color(r, g, b, a) {
this.r = r;
this.g = g;
this.b = b;
this.a = a || 1.0;
}
Color.prototype.toString = function () {
return (
"rgba(" +
Math.round(this.r) +
"," +
Math.round(this.g) +
"," +
Math.round(this.b) +
"," +
this.a +
")"
);
};
Color.prototype.rgb = function () {
return [this.r, this.g, this.b];
};
Color.prototype.rgba = function () {
return [this.r, this.g, this.b, this.a];
};
Color.prototype.clone = function () {
return new Color(this.r, this.g, this.b, this.a);
};
Color.prototype.alpha = function (a) {
var c = this.copy();
c.a = a;
return c;
};
Color.prototype.add = function (n) {
if (!n) return;
this.r = clamp(Math.round(this.r + n), 0, 255);
this.g = clamp(Math.round(this.g + n), 0, 255);
this.b = clamp(Math.round(this.b + n), 0, 255);
return this;
};
Color.prototype.mottle = function (n) {
n = n || 30;
this.r = clamp(this.r + randrange(-n, n), 0, 255);
this.g = clamp(this.g + randrange(-n, n), 0, 255);
this.b = clamp(this.b + randrange(-n, n), 0, 255);
return this;
};
Color.prototype.mottleRGB = function (r, g, b) {
r = r || 0;
g = g || 0;
b = b || 0;
this.r = clamp(this.r + randrange(-r, r), 0, 255);
this.g = clamp(this.g + randrange(-g, g), 0, 255);
this.b = clamp(this.b + randrange(-b, b), 0, 255);
return this;
};
Color.prototype.swatch = function () {
var el = document.createElement("div");
el.style.className = "swatch";
el.style.width = 16 + "px";
el.style.height = 16 + "px";
el.style.backgroundColor = this.toString();
$(el).data("color", this);
return el;
};
var COLORS = {
plain: new Color(230, 240, 240),
ivory: new Color(240, 240, 235),
pink: new Color(240, 223, 235),
red: new Color(240, 224, 223),
orange: new Color(240, 232, 223),
yellow: new Color(240, 240, 231),
green: new Color(233, 240, 231),
blue: new Color(224, 226, 240),
purple: new Color(235, 231, 240),
black: new Color(32, 32, 37),
};
var DARK_COLORS = {
plain: new Color(24, 10, 10),
ivory: new Color(18, 18, 18),
pink: new Color(40, 23, 35),
red: new Color(40, 24, 23),
orange: new Color(40, 32, 23),
yellow: new Color(40, 40, 31),
green: new Color(33, 40, 31),
blue: new Color(24, 26, 40),
purple: new Color(35, 31, 40),
black: new Color(0, 0, 0),
};
function nighttime_quotient() {
var q = -10;
var date = new Date();
var x;
var h = date.getHours();
var m = date.getMinutes();
if (h < 5 || h > 23) {
return q;
}
if (h >= 5 && h <= 7) {
x = 60 * 60 * 3 - 60 * (h - 5) + m;
}
if (h >= 21 && h <= 23) {
x = 60 * (h - 21) + m;
}
x /= 60 * 60 * 3;
return q * x;
}
function get_color_from_time() {
var date = new Date();
var h = date.getHours();
var m = date.getMinutes();
var c;
if ((h == 4 || h == 16) && m == 20) {
c = "green";
} else if (h < 5) {
c = "blue";
} else if (h >= 5 && h < 6) {
c = "red";
} else if (h >= 6 && h < 9) {
c = "orange";
} else if (h >= 9 && h < 12) {
c = "yellow";
} else if (h >= 12 && h < 18) {
c = "plain";
} else if (h >= 18 && h < 21) {
c = "blue";
} else if (h >= 21) {
c = "blue";
} else {
c = "plain";
}
return c;
}
function set_background_color_from_time() {
var color_name = get_color_from_time();
set_background_color(color_name);
}
function set_background_color(color_name) {
color_name = color_name || "plain";
var color_set = window.matchMedia("(prefers-color-scheme: dark)").matches
? DARK_COLORS
: COLORS;
var color = color_set[color_name].clone().mottleRGB(4, 4, 8);
// .add(nighttime_quotient())
document.body.style.backgroundColor = color.toString();
$(document.body).toggleClass("black", color_name === "black");
document.body.style.transition = "opacity 100ms, background 10s";
}
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