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

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2024-10-14 06:09:33 +00:00
"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