app/node_modules/mathjax-full/js/output/common/Wrappers/mmultiscripts.js

"use strict";
var __extends = (this && this.__extends) || (function () {
    var extendStatics = function (d, b) {
        extendStatics = Object.setPrototypeOf ||
            ({ __proto__: [] } instanceof Array && function (d, b) { d.__proto__ = b; }) ||
            function (d, b) { for (var p in b) if (Object.prototype.hasOwnProperty.call(b, p)) d[p] = b[p]; };
        return extendStatics(d, b);
    };
    return function (d, b) {
        if (typeof b !== "function" && b !== null)
            throw new TypeError("Class extends value " + String(b) + " is not a constructor or null");
        extendStatics(d, b);
        function __() { this.constructor = d; }
        d.prototype = b === null ? Object.create(b) : (__.prototype = b.prototype, new __());
    };
})();
var __read = (this && this.__read) || function (o, n) {
    var m = typeof Symbol === "function" && o[Symbol.iterator];
    if (!m) return o;
    var i = m.call(o), r, ar = [], e;
    try {
        while ((n === void 0 || n-- > 0) && !(r = i.next()).done) ar.push(r.value);
    }
    catch (error) { e = { error: error }; }
    finally {
        try {
            if (r && !r.done && (m = i["return"])) m.call(i);
        }
        finally { if (e) throw e.error; }
    }
    return ar;
};
var __spreadArray = (this && this.__spreadArray) || function (to, from, pack) {
    if (pack || arguments.length === 2) for (var i = 0, l = from.length, ar; i < l; i++) {
        if (ar || !(i in from)) {
            if (!ar) ar = Array.prototype.slice.call(from, 0, i);
            ar[i] = from[i];
        }
    }
    return to.concat(ar || Array.prototype.slice.call(from));
};
var __values = (this && this.__values) || function(o) {
    var s = typeof Symbol === "function" && Symbol.iterator, m = s && o[s], i = 0;
    if (m) return m.call(o);
    if (o && typeof o.length === "number") return {
        next: function () {
            if (o && i >= o.length) o = void 0;
            return { value: o && o[i++], done: !o };
        }
    };
    throw new TypeError(s ? "Object is not iterable." : "Symbol.iterator is not defined.");
};
Object.defineProperty(exports, "__esModule", { value: true });
exports.CommonMmultiscriptsMixin = exports.ScriptNames = exports.NextScript = void 0;
var BBox_js_1 = require("../../../util/BBox.js");
exports.NextScript = {
    base: 'subList',
    subList: 'supList',
    supList: 'subList',
    psubList: 'psupList',
    psupList: 'psubList',
};
exports.ScriptNames = ['sup', 'sup', 'psup', 'psub'];
function CommonMmultiscriptsMixin(Base) {
    return (function (_super) {
        __extends(class_1, _super);
        function class_1() {
            var args = [];
            for (var _i = 0; _i < arguments.length; _i++) {
                args[_i] = arguments[_i];
            }
            var _this = _super.apply(this, __spreadArray([], __read(args), false)) || this;
            _this.scriptData = null;
            _this.firstPrescript = 0;
            _this.getScriptData();
            return _this;
        }
        class_1.prototype.combinePrePost = function (pre, post) {
            var bbox = new BBox_js_1.BBox(pre);
            bbox.combine(post, 0, 0);
            return bbox;
        };
        class_1.prototype.computeBBox = function (bbox, recompute) {
            if (recompute === void 0) { recompute = false; }
            var scriptspace = this.font.params.scriptspace;
            var data = this.scriptData;
            var sub = this.combinePrePost(data.sub, data.psub);
            var sup = this.combinePrePost(data.sup, data.psup);
            var _a = __read(this.getUVQ(sub, sup), 2), u = _a[0], v = _a[1];
            bbox.empty();
            if (data.numPrescripts) {
                bbox.combine(data.psup, scriptspace, u);
                bbox.combine(data.psub, scriptspace, v);
            }
            bbox.append(data.base);
            if (data.numScripts) {
                var w = bbox.w;
                bbox.combine(data.sup, w, u);
                bbox.combine(data.sub, w, v);
                bbox.w += scriptspace;
            }
            bbox.clean();
            this.setChildPWidths(recompute);
        };
        class_1.prototype.getScriptData = function () {
            var data = this.scriptData = {
                base: null, sub: BBox_js_1.BBox.empty(), sup: BBox_js_1.BBox.empty(), psub: BBox_js_1.BBox.empty(), psup: BBox_js_1.BBox.empty(),
                numPrescripts: 0, numScripts: 0
            };
            var lists = this.getScriptBBoxLists();
            this.combineBBoxLists(data.sub, data.sup, lists.subList, lists.supList);
            this.combineBBoxLists(data.psub, data.psup, lists.psubList, lists.psupList);
            data.base = lists.base[0];
            data.numPrescripts = lists.psubList.length;
            data.numScripts = lists.subList.length;
        };
        class_1.prototype.getScriptBBoxLists = function () {
            var e_1, _a;
            var lists = {
                base: [], subList: [], supList: [], psubList: [], psupList: []
            };
            var script = 'base';
            try {
                for (var _b = __values(this.childNodes), _c = _b.next(); !_c.done; _c = _b.next()) {
                    var child = _c.value;
                    if (child.node.isKind('mprescripts')) {
                        script = 'psubList';
                    }
                    else {
                        lists[script].push(child.getOuterBBox());
                        script = exports.NextScript[script];
                    }
                }
            }
            catch (e_1_1) { e_1 = { error: e_1_1 }; }
            finally {
                try {
                    if (_c && !_c.done && (_a = _b.return)) _a.call(_b);
                }
                finally { if (e_1) throw e_1.error; }
            }
            this.firstPrescript = lists.subList.length + lists.supList.length + 2;
            this.padLists(lists.subList, lists.supList);
            this.padLists(lists.psubList, lists.psupList);
            return lists;
        };
        class_1.prototype.padLists = function (list1, list2) {
            if (list1.length > list2.length) {
                list2.push(BBox_js_1.BBox.empty());
            }
        };
        class_1.prototype.combineBBoxLists = function (bbox1, bbox2, list1, list2) {
            for (var i = 0; i < list1.length; i++) {
                var _a = __read(this.getScaledWHD(list1[i]), 3), w1 = _a[0], h1 = _a[1], d1 = _a[2];
                var _b = __read(this.getScaledWHD(list2[i]), 3), w2 = _b[0], h2 = _b[1], d2 = _b[2];
                var w = Math.max(w1, w2);
                bbox1.w += w;
                bbox2.w += w;
                if (h1 > bbox1.h)
                    bbox1.h = h1;
                if (d1 > bbox1.d)
                    bbox1.d = d1;
                if (h2 > bbox2.h)
                    bbox2.h = h2;
                if (d2 > bbox2.d)
                    bbox2.d = d2;
            }
        };
        class_1.prototype.getScaledWHD = function (bbox) {
            var w = bbox.w, h = bbox.h, d = bbox.d, rscale = bbox.rscale;
            return [w * rscale, h * rscale, d * rscale];
        };
        class_1.prototype.getUVQ = function (subbox, supbox) {
            var _a;
            if (!this.UVQ) {
                var _b = __read([0, 0, 0], 3), u = _b[0], v = _b[1], q = _b[2];
                if (subbox.h === 0 && subbox.d === 0) {
                    u = this.getU();
                }
                else if (supbox.h === 0 && supbox.d === 0) {
                    u = -this.getV();
                }
                else {
                    _a = __read(_super.prototype.getUVQ.call(this, subbox, supbox), 3), u = _a[0], v = _a[1], q = _a[2];
                }
                this.UVQ = [u, v, q];
            }
            return this.UVQ;
        };
        return class_1;
    }(Base));
}
exports.CommonMmultiscriptsMixin = CommonMmultiscriptsMixin;
//# sourceMappingURL=mmultiscripts.js.map