site/node_modules/mathjax-full/js/output/common/Wrappers/mroot.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 __());
};
})();
Object.defineProperty(exports, "__esModule", { value: true });
exports.CommonMrootMixin = void 0;
function CommonMrootMixin(Base) {
return (function (_super) {
__extends(class_1, _super);
function class_1() {
return _super !== null && _super.apply(this, arguments) || this;
}
Object.defineProperty(class_1.prototype, "surd", {
get: function () {
return 2;
},
enumerable: false,
configurable: true
});
Object.defineProperty(class_1.prototype, "root", {
get: function () {
return 1;
},
enumerable: false,
configurable: true
});
class_1.prototype.combineRootBBox = function (BBOX, sbox, H) {
var bbox = this.childNodes[this.root].getOuterBBox();
var h = this.getRootDimens(sbox, H)[1];
BBOX.combine(bbox, 0, h);
};
class_1.prototype.getRootDimens = function (sbox, H) {
var surd = this.childNodes[this.surd];
var bbox = this.childNodes[this.root].getOuterBBox();
var offset = (surd.size < 0 ? .5 : .6) * sbox.w;
var w = bbox.w, rscale = bbox.rscale;
var W = Math.max(w, offset / rscale);
var dx = Math.max(0, W - w);
var h = this.rootHeight(bbox, sbox, surd.size, H);
var x = W * rscale - offset;
return [x, h, dx];
};
class_1.prototype.rootHeight = function (rbox, sbox, size, H) {
var h = sbox.h + sbox.d;
var b = (size < 0 ? 1.9 : .55 * h) - (h - H);
return b + Math.max(0, rbox.d * rbox.rscale);
};
return class_1;
}(Base));
}
exports.CommonMrootMixin = CommonMrootMixin;
//# sourceMappingURL=mroot.js.map