site/node_modules/mathjax-full/js/output/svg/Wrapper.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 __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.");
};
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;
};
Object.defineProperty(exports, "__esModule", { value: true });
exports.SVGWrapper = void 0;
var BBox_js_1 = require("../../util/BBox.js");
var Wrapper_js_1 = require("../common/Wrapper.js");
var svg_js_1 = require("../svg.js");
var SVGWrapper = (function (_super) {
__extends(SVGWrapper, _super);
function SVGWrapper() {
var _this = _super !== null && _super.apply(this, arguments) || this;
_this.element = null;
_this.dx = 0;
return _this;
}
SVGWrapper.prototype.toSVG = function (parent) {
this.addChildren(this.standardSVGnode(parent));
};
SVGWrapper.prototype.addChildren = function (parent) {
var e_1, _a;
var x = 0;
try {
for (var _b = __values(this.childNodes), _c = _b.next(); !_c.done; _c = _b.next()) {
var child = _c.value;
child.toSVG(parent);
var bbox = child.getOuterBBox();
if (child.element) {
child.place(x + bbox.L * bbox.rscale, 0);
}
x += (bbox.L + bbox.w + bbox.R) * bbox.rscale;
}
}
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; }
}
};
SVGWrapper.prototype.standardSVGnode = function (parent) {
var svg = this.createSVGnode(parent);
this.handleStyles();
this.handleScale();
this.handleBorder();
this.handleColor();
this.handleAttributes();
return svg;
};
SVGWrapper.prototype.createSVGnode = function (parent) {
this.element = this.svg('g', { 'data-mml-node': this.node.kind });
var href = this.node.attributes.get('href');
if (href) {
parent = this.adaptor.append(parent, this.svg('a', { href: href }));
var _a = this.getOuterBBox(), h = _a.h, d = _a.d, w = _a.w;
this.adaptor.append(this.element, this.svg('rect', {
'data-hitbox': true, fill: 'none', stroke: 'none', 'pointer-events': 'all',
width: this.fixed(w), height: this.fixed(h + d), y: this.fixed(-d)
}));
}
this.adaptor.append(parent, this.element);
return this.element;
};
SVGWrapper.prototype.handleStyles = function () {
var _this = this;
if (!this.styles)
return;
var styles = this.styles.cssText;
if (styles) {
this.adaptor.setAttribute(this.element, 'style', styles);
}
BBox_js_1.BBox.StyleAdjust.forEach(function (_a) {
var _b = __read(_a, 3), name = _b[0], lr = _b[2];
if (lr !== 0)
return;
var x = _this.styles.get(name);
if (x) {
_this.dx += _this.length2em(x, 1, _this.bbox.rscale);
}
});
};
SVGWrapper.prototype.handleScale = function () {
if (this.bbox.rscale !== 1) {
var scale = 'scale(' + this.fixed(this.bbox.rscale / 1000, 3) + ')';
this.adaptor.setAttribute(this.element, 'transform', scale);
}
};
SVGWrapper.prototype.handleColor = function () {
var _a;
var adaptor = this.adaptor;
var attributes = this.node.attributes;
var mathcolor = attributes.getExplicit('mathcolor');
var color = attributes.getExplicit('color');
var mathbackground = attributes.getExplicit('mathbackground');
var background = attributes.getExplicit('background');
var bgcolor = (((_a = this.styles) === null || _a === void 0 ? void 0 : _a.get('background-color')) || '');
if (mathcolor || color) {
adaptor.setAttribute(this.element, 'fill', mathcolor || color);
adaptor.setAttribute(this.element, 'stroke', mathcolor || color);
}
if (mathbackground || background || bgcolor) {
var _b = this.getOuterBBox(), h = _b.h, d = _b.d, w = _b.w;
var rect = this.svg('rect', {
fill: mathbackground || background || bgcolor,
x: this.fixed(-this.dx), y: this.fixed(-d),
width: this.fixed(w),
height: this.fixed(h + d),
'data-bgcolor': true
});
var child = adaptor.firstChild(this.element);
if (child) {
adaptor.insert(rect, child);
}
else {
adaptor.append(this.element, rect);
}
}
};
SVGWrapper.prototype.handleBorder = function () {
var e_2, _a, e_3, _b;
if (!this.styles)
return;
var width = Array(4).fill(0);
var style = Array(4);
var color = Array(4);
try {
for (var _c = __values([['Top', 0], ['Right', 1], ['Bottom', 2], ['Left', 3]]), _d = _c.next(); !_d.done; _d = _c.next()) {
var _e = __read(_d.value, 2), name_1 = _e[0], i = _e[1];
var key = 'border' + name_1;
var w_1 = this.styles.get(key + 'Width');
if (!w_1)
continue;
width[i] = Math.max(0, this.length2em(w_1, 1, this.bbox.rscale));
style[i] = this.styles.get(key + 'Style') || 'solid';
color[i] = this.styles.get(key + 'Color') || 'currentColor';
}
}
catch (e_2_1) { e_2 = { error: e_2_1 }; }
finally {
try {
if (_d && !_d.done && (_a = _c.return)) _a.call(_c);
}
finally { if (e_2) throw e_2.error; }
}
var f = SVGWrapper.borderFuzz;
var bbox = this.getOuterBBox();
var _f = __read([bbox.h + f, bbox.d + f, bbox.w + f], 3), h = _f[0], d = _f[1], w = _f[2];
var outerRT = [w, h];
var outerLT = [-f, h];
var outerRB = [w, -d];
var outerLB = [-f, -d];
var innerRT = [w - width[1], h - width[0]];
var innerLT = [-f + width[3], h - width[0]];
var innerRB = [w - width[1], -d + width[2]];
var innerLB = [-f + width[3], -d + width[2]];
var paths = [
[outerLT, outerRT, innerRT, innerLT],
[outerRB, outerRT, innerRT, innerRB],
[outerLB, outerRB, innerRB, innerLB],
[outerLB, outerLT, innerLT, innerLB]
];
var adaptor = this.adaptor;
var child = adaptor.firstChild(this.element);
try {
for (var _g = __values([0, 1, 2, 3]), _h = _g.next(); !_h.done; _h = _g.next()) {
var i = _h.value;
if (!width[i])
continue;
var path = paths[i];
if (style[i] === 'dashed' || style[i] === 'dotted') {
this.addBorderBroken(path, color[i], style[i], width[i], i);
}
else {
this.addBorderSolid(path, color[i], child);
}
}
}
catch (e_3_1) { e_3 = { error: e_3_1 }; }
finally {
try {
if (_h && !_h.done && (_b = _g.return)) _b.call(_g);
}
finally { if (e_3) throw e_3.error; }
}
};
SVGWrapper.prototype.addBorderSolid = function (path, color, child) {
var _this = this;
var border = this.svg('polygon', {
points: path.map(function (_a) {
var _b = __read(_a, 2), x = _b[0], y = _b[1];
return "".concat(_this.fixed(x - _this.dx), ",").concat(_this.fixed(y));
}).join(' '),
stroke: 'none',
fill: color
});
if (child) {
this.adaptor.insert(border, child);
}
else {
this.adaptor.append(this.element, border);
}
};
SVGWrapper.prototype.addBorderBroken = function (path, color, style, t, i) {
var dot = (style === 'dotted');
var t2 = t / 2;
var _a = __read([[t2, -t2, -t2, -t2], [-t2, t2, -t2, -t2], [t2, t2, -t2, t2], [t2, t2, t2, -t2]][i], 4), tx1 = _a[0], ty1 = _a[1], tx2 = _a[2], ty2 = _a[3];
var _b = __read(path, 2), A = _b[0], B = _b[1];
var x1 = A[0] + tx1 - this.dx, y1 = A[1] + ty1;
var x2 = B[0] + tx2 - this.dx, y2 = B[1] + ty2;
var W = Math.abs(i % 2 ? y2 - y1 : x2 - x1);
var n = (dot ? Math.ceil(W / (2 * t)) : Math.ceil((W - t) / (4 * t)));
var m = W / (4 * n + 1);
var line = this.svg('line', {
x1: this.fixed(x1), y1: this.fixed(y1),
x2: this.fixed(x2), y2: this.fixed(y2),
'stroke-width': this.fixed(t), stroke: color, 'stroke-linecap': dot ? 'round' : 'square',
'stroke-dasharray': dot ? [1, this.fixed(W / n - .002)].join(' ') : [this.fixed(m), this.fixed(3 * m)].join(' ')
});
var adaptor = this.adaptor;
var child = adaptor.firstChild(this.element);
if (child) {
adaptor.insert(line, child);
}
else {
adaptor.append(this.element, line);
}
};
SVGWrapper.prototype.handleAttributes = function () {
var e_4, _a, e_5, _b;
var attributes = this.node.attributes;
var defaults = attributes.getAllDefaults();
var skip = SVGWrapper.skipAttributes;
try {
for (var _c = __values(attributes.getExplicitNames()), _d = _c.next(); !_d.done; _d = _c.next()) {
var name_2 = _d.value;
if (skip[name_2] === false || (!(name_2 in defaults) && !skip[name_2] &&
!this.adaptor.hasAttribute(this.element, name_2))) {
this.adaptor.setAttribute(this.element, name_2, attributes.getExplicit(name_2));
}
}
}
catch (e_4_1) { e_4 = { error: e_4_1 }; }
finally {
try {
if (_d && !_d.done && (_a = _c.return)) _a.call(_c);
}
finally { if (e_4) throw e_4.error; }
}
if (attributes.get('class')) {
var names = attributes.get('class').trim().split(/ +/);
try {
for (var names_1 = __values(names), names_1_1 = names_1.next(); !names_1_1.done; names_1_1 = names_1.next()) {
var name_3 = names_1_1.value;
this.adaptor.addClass(this.element, name_3);
}
}
catch (e_5_1) { e_5 = { error: e_5_1 }; }
finally {
try {
if (names_1_1 && !names_1_1.done && (_b = names_1.return)) _b.call(names_1);
}
finally { if (e_5) throw e_5.error; }
}
}
};
SVGWrapper.prototype.place = function (x, y, element) {
if (element === void 0) { element = null; }
x += this.dx;
if (!(x || y))
return;
if (!element) {
element = this.element;
y = this.handleId(y);
}
var translate = "translate(".concat(this.fixed(x), ",").concat(this.fixed(y), ")");
var transform = this.adaptor.getAttribute(element, 'transform') || '';
this.adaptor.setAttribute(element, 'transform', translate + (transform ? ' ' + transform : ''));
};
SVGWrapper.prototype.handleId = function (y) {
if (!this.node.attributes || !this.node.attributes.get('id')) {
return y;
}
var adaptor = this.adaptor;
var h = this.getBBox().h;
var children = adaptor.childNodes(this.element);
children.forEach(function (child) { return adaptor.remove(child); });
var g = this.svg('g', { 'data-idbox': true, transform: "translate(0,".concat(this.fixed(-h), ")") }, children);
adaptor.append(this.element, this.svg('text', { 'data-id-align': true }, [this.text('')]));
adaptor.append(this.element, g);
return y + h;
};
SVGWrapper.prototype.firstChild = function () {
var adaptor = this.adaptor;
var child = adaptor.firstChild(this.element);
if (child && adaptor.kind(child) === 'text' && adaptor.getAttribute(child, 'data-id-align')) {
child = adaptor.firstChild(adaptor.next(child));
}
if (child && adaptor.kind(child) === 'rect' && adaptor.getAttribute(child, 'data-hitbox')) {
child = adaptor.next(child);
}
return child;
};
SVGWrapper.prototype.placeChar = function (n, x, y, parent, variant) {
var e_6, _a;
if (variant === void 0) { variant = null; }
if (variant === null) {
variant = this.variant;
}
var C = n.toString(16).toUpperCase();
var _b = __read(this.getVariantChar(variant, n), 4), w = _b[2], data = _b[3];
if ('p' in data) {
var path = (data.p ? 'M' + data.p + 'Z' : '');
this.place(x, y, this.adaptor.append(parent, this.charNode(variant, C, path)));
}
else if ('c' in data) {
var g = this.adaptor.append(parent, this.svg('g', { 'data-c': C }));
this.place(x, y, g);
x = 0;
try {
for (var _c = __values(this.unicodeChars(data.c, variant)), _d = _c.next(); !_d.done; _d = _c.next()) {
var n_1 = _d.value;
x += this.placeChar(n_1, x, y, g, variant);
}
}
catch (e_6_1) { e_6 = { error: e_6_1 }; }
finally {
try {
if (_d && !_d.done && (_a = _c.return)) _a.call(_c);
}
finally { if (e_6) throw e_6.error; }
}
}
else if (data.unknown) {
var char = String.fromCodePoint(n);
var text = this.adaptor.append(parent, this.jax.unknownText(char, variant));
this.place(x, y, text);
return this.jax.measureTextNodeWithCache(text, char, variant).w;
}
return w;
};
SVGWrapper.prototype.charNode = function (variant, C, path) {
var cache = this.jax.options.fontCache;
return (cache !== 'none' ? this.useNode(variant, C, path) : this.pathNode(C, path));
};
SVGWrapper.prototype.pathNode = function (C, path) {
return this.svg('path', { 'data-c': C, d: path });
};
SVGWrapper.prototype.useNode = function (variant, C, path) {
var use = this.svg('use', { 'data-c': C });
var id = '#' + this.jax.fontCache.cachePath(variant, C, path);
this.adaptor.setAttribute(use, 'href', id, svg_js_1.XLINKNS);
return use;
};
SVGWrapper.prototype.drawBBox = function () {
var _a = this.getBBox(), w = _a.w, h = _a.h, d = _a.d;
var box = this.svg('g', { style: {
opacity: .25
} }, [
this.svg('rect', {
fill: 'red',
height: this.fixed(h),
width: this.fixed(w)
}),
this.svg('rect', {
fill: 'green',
height: this.fixed(d),
width: this.fixed(w),
y: this.fixed(-d)
})
]);
var node = this.element || this.parent.element;
this.adaptor.append(node, box);
};
SVGWrapper.prototype.html = function (type, def, content) {
if (def === void 0) { def = {}; }
if (content === void 0) { content = []; }
return this.jax.html(type, def, content);
};
SVGWrapper.prototype.svg = function (type, def, content) {
if (def === void 0) { def = {}; }
if (content === void 0) { content = []; }
return this.jax.svg(type, def, content);
};
SVGWrapper.prototype.text = function (text) {
return this.jax.text(text);
};
SVGWrapper.prototype.fixed = function (x, n) {
if (n === void 0) { n = 1; }
return this.jax.fixed(x * 1000, n);
};
SVGWrapper.kind = 'unknown';
SVGWrapper.borderFuzz = 0.005;
return SVGWrapper;
}(Wrapper_js_1.CommonWrapper));
exports.SVGWrapper = SVGWrapper;
//# sourceMappingURL=Wrapper.js.map