ACO/util.js at master · feberhard/ACO · GitHub

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function sbcRip(d) {
    var i = parseInt, r = Math.round;
    var l = d.length, RGB = new Object();
    if (l > 9) {
        d = d.split(",");
        if (d.length < 3 || d.length > 4)
            return null; //ErrorCheck
        RGB[0] = i(d[0].slice(4)), RGB[1] = i(d[1]), RGB[2] = i(d[2]), RGB[3] = d[3] ? parseFloat(d[3]) : -1;
    }
    else {
        if (l == 8 || l == 6 || l < 4)
            return null; //ErrorCheck
        if (l < 6)
            d = "#" + d[1] + d[1] + d[2] + d[2] + d[3] + d[3] + (l > 4 ? d[4] + "" + d[4] : ""); //3 digit
        d = i(d.slice(1), 16), RGB[0] = d >> 16 & 255, RGB[1] = d >> 8 & 255, RGB[2] = d & 255, RGB[3] = l == 9 || l == 5 ? r(((d >> 24 & 255) / 255) * 10000) / 10000 : -1;
    }
    return RGB;
}
// http://stackoverflow.com/a/13542669/6364886
function shadeBlendConvert(p, from, to = null) {
    if (typeof (p) != "number" || p < -1 || p > 1 || typeof (from) != "string" || (from[0] != 'r' && from[0] != '#') || (typeof (to) != "string" && typeof (to) != "undefined"))
        return null; //ErrorCheck
    var i = parseInt, r = Math.round, h = from.length > 9, h = typeof (to) == "string" ? to.length > 9 ? true : to == "c" ? !h : false : h, b = p < 0, p = b ? p * -1 : p, to = to && to != "c" ? to : b ? "#000000" : "#FFFFFF", f = sbcRip(from), t = sbcRip(to);
    if (!f || !t)
        return null; //ErrorCheck
    if (h)
        return "rgb(" + r((t[0] - f[0]) * p + f[0]) + "," + r((t[1] - f[1]) * p + f[1]) + "," + r((t[2] - f[2]) * p + f[2]) + (f[3] < 0 && t[3] < 0 ? ")" : "," + (f[3] > -1 && t[3] > -1 ? r(((t[3] - f[3]) * p + f[3]) * 10000) / 10000 : t[3] < 0 ? f[3] : t[3]) + ")");
    else
        return "#" + (0x100000000 + (f[3] > -1 && t[3] > -1 ? r(((t[3] - f[3]) * p + f[3]) * 255) : t[3] > -1 ? r(t[3] * 255) : f[3] > -1 ? r(f[3] * 255) : 255) * 0x1000000 + r((t[0] - f[0]) * p + f[0]) * 0x10000 + r((t[1] - f[1]) * p + f[1]) * 0x100 + r((t[2] - f[2]) * p + f[2])).toString(16).slice(f[3] > -1 || t[3] > -1 ? 1 : 3);
}
function randomizeArray(field) {
    // Fisher-Yates shuffle https://en.wikipedia.org/wiki/Fisher%E2%80%93Yates_shuffle
    for (var i = 0; i < field.length; i++) {
        var j = Math.round(Math.random() * i);
        var temp = field[i];
        field[i] = field[j];
        field[j] = temp;
    }
    return field;
}
function getValueFromHMTLInput(id) {
    var input = document.getElementById(id);
    if (input == null)
        return null;
    if (input.type == "checkbox")
        return input.checked;
    else if (input.type == "number")
        return input.valueAsNumber;
    else
        return input.value;
}
function setHtmlInputValue(id, val) {
    var input = document.getElementById(id);
    if (input != null) {
        if (input.type == "checkbox")
            input.checked = val == '1' ? true : false;
        else
            input.value = val;
    }
}
// fill the configuration inputs on the html page
function fillHtmlInputs(config) {
    Object.keys(config).forEach(function (key, index) {
        setHtmlInputValue(key, config[key]);
    });
}
function readConfigurationValues(config) {
    Object.keys(config).forEach(function (key, index) {
        var val = getValueFromHMTLInput(key);
        if (val != null) {
            config[key] = val;
        }
    });
}
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