Your IP : 216.73.217.77
/*!
* @svgdotjs/svg.js - A lightweight library for manipulating and animating SVG.
* @version 3.2.4
* https://svgjs.dev/
*
* @copyright Wout Fierens <wout@mick-wout.com>
* @license MIT
*
* BUILT: Thu Jun 27 2024 12:00:16 GMT+0200 (Central European Summer Time)
*/;
'use strict';
const methods$1 = {};
const names = [];
function registerMethods(name, m) {
if (Array.isArray(name)) {
for (const _name of name) {
registerMethods(_name, m);
}
return;
}
if (typeof name === 'object') {
for (const _name in name) {
registerMethods(_name, name[_name]);
}
return;
}
addMethodNames(Object.getOwnPropertyNames(m));
methods$1[name] = Object.assign(methods$1[name] || {}, m);
}
function getMethodsFor(name) {
return methods$1[name] || {};
}
function getMethodNames() {
return [...new Set(names)];
}
function addMethodNames(_names) {
names.push(..._names);
}
// Map function
function map(array, block) {
let i;
const il = array.length;
const result = [];
for (i = 0; i < il; i++) {
result.push(block(array[i]));
}
return result;
}
// Filter function
function filter(array, block) {
let i;
const il = array.length;
const result = [];
for (i = 0; i < il; i++) {
if (block(array[i])) {
result.push(array[i]);
}
}
return result;
}
// Degrees to radians
function radians(d) {
return d % 360 * Math.PI / 180;
}
// Radians to degrees
function degrees(r) {
return r * 180 / Math.PI % 360;
}
// Convert camel cased string to dash separated
function unCamelCase(s) {
return s.replace(/([A-Z])/g, function (m, g) {
return '-' + g.toLowerCase();
});
}
// Capitalize first letter of a string
function capitalize(s) {
return s.charAt(0).toUpperCase() + s.slice(1);
}
// Calculate proportional width and height values when necessary
function proportionalSize(element, width, height, box) {
if (width == null || height == null) {
box = box || element.bbox();
if (width == null) {
width = box.width / box.height * height;
} else if (height == null) {
height = box.height / box.width * width;
}
}
return {
width: width,
height: height
};
}
/**
* This function adds support for string origins.
* It searches for an origin in o.origin o.ox and o.originX.
* This way, origin: {x: 'center', y: 50} can be passed as well as ox: 'center', oy: 50
**/
function getOrigin(o, element) {
const origin = o.origin;
// First check if origin is in ox or originX
let ox = o.ox != null ? o.ox : o.originX != null ? o.originX : 'center';
let oy = o.oy != null ? o.oy : o.originY != null ? o.originY : 'center';
// Then check if origin was used and overwrite in that case
if (origin != null) {
[ox, oy] = Array.isArray(origin) ? origin : typeof origin === 'object' ? [origin.x, origin.y] : [origin, origin];
}
// Make sure to only call bbox when actually needed
const condX = typeof ox === 'string';
const condY = typeof oy === 'string';
if (condX || condY) {
const {
height,
width,
x,
y
} = element.bbox();
// And only overwrite if string was passed for this specific axis
if (condX) {
ox = ox.includes('left') ? x : ox.includes('right') ? x + width : x + width / 2;
}
if (condY) {
oy = oy.includes('top') ? y : oy.includes('bottom') ? y + height : y + height / 2;
}
}
// Return the origin as it is if it wasn't a string
return [ox, oy];
}
const descriptiveElements = new Set(['desc', 'metadata', 'title']);
const isDescriptive = element => descriptiveElements.has(element.nodeName);
const writeDataToDom = (element, data, defaults = {}) => {
const cloned = {
...data
};
for (const key in cloned) {
if (cloned[key].valueOf() === defaults[key]) {
delete cloned[key];
}
}
if (Object.keys(cloned).length) {
element.node.setAttribute('data-svgjs', JSON.stringify(cloned)); // see #428
} else {
element.node.removeAttribute('data-svgjs');
element.node.removeAttribute('svgjs:data');
}
};
var utils = {
__proto__: null,
capitalize: capitalize,
degrees: degrees,
filter: filter,
getOrigin: getOrigin,
isDescriptive: isDescriptive,
map: map,
proportionalSize: proportionalSize,
radians: radians,
unCamelCase: unCamelCase,
writeDataToDom: writeDataToDom
};
// Default namespaces
const svg = 'http://www.w3.org/2000/svg';
const html = 'http://www.w3.org/1999/xhtml';
const xmlns = 'http://www.w3.org/2000/xmlns/';
const xlink = 'http://www.w3.org/1999/xlink';
var namespaces = {
__proto__: null,
html: html,
svg: svg,
xlink: xlink,
xmlns: xmlns
};
const globals = {
window: typeof window === 'undefined' ? null : window,
document: typeof document === 'undefined' ? null : document
};
function registerWindow(win = null, doc = null) {
globals.window = win;
globals.document = doc;
}
const save = {};
function saveWindow() {
save.window = globals.window;
save.document = globals.document;
}
function restoreWindow() {
globals.window = save.window;
globals.document = save.document;
}
function withWindow(win, fn) {
saveWindow();
registerWindow(win, win.document);
fn(win, win.document);
restoreWindow();
}
function getWindow() {
return globals.window;
}
class Base {
// constructor (node/*, {extensions = []} */) {
// // this.tags = []
// //
// // for (let extension of extensions) {
// // extension.setup.call(this, node)
// // this.tags.push(extension.name)
// // }
// }
}
const elements = {};
const root = '___SYMBOL___ROOT___';
// Method for element creation
function create(name, ns = svg) {
// create element
return globals.document.createElementNS(ns, name);
}
function makeInstance(element, isHTML = false) {
if (element instanceof Base) return element;
if (typeof element === 'object') {
return adopter(element);
}
if (element == null) {
return new elements[root]();
}
if (typeof element === 'string' && element.charAt(0) !== '<') {
return adopter(globals.document.querySelector(element));
}
// Make sure, that HTML elements are created with the correct namespace
const wrapper = isHTML ? globals.document.createElement('div') : create('svg');
wrapper.innerHTML = element;
// We can use firstChild here because we know,
// that the first char is < and thus an element
element = adopter(wrapper.firstChild);
// make sure, that element doesn't have its wrapper attached
wrapper.removeChild(wrapper.firstChild);
return element;
}
function nodeOrNew(name, node) {
return node && (node instanceof globals.window.Node || node.ownerDocument && node instanceof node.ownerDocument.defaultView.Node) ? node : create(name);
}
// Adopt existing svg elements
function adopt(node) {
// check for presence of node
if (!node) return null;
// make sure a node isn't already adopted
if (node.instance instanceof Base) return node.instance;
if (node.nodeName === '#document-fragment') {
return new elements.Fragment(node);
}
// initialize variables
let className = capitalize(node.nodeName || 'Dom');
// Make sure that gradients are adopted correctly
if (className === 'LinearGradient' || className === 'RadialGradient') {
className = 'Gradient';
// Fallback to Dom if element is not known
} else if (!elements[className]) {
className = 'Dom';
}
return new elements[className](node);
}
let adopter = adopt;
function mockAdopt(mock = adopt) {
adopter = mock;
}
function register(element, name = element.name, asRoot = false) {
elements[name] = element;
if (asRoot) elements[root] = element;
addMethodNames(Object.getOwnPropertyNames(element.prototype));
return element;
}
function getClass(name) {
return elements[name];
}
// Element id sequence
let did = 1000;
// Get next named element id
function eid(name) {
return 'Svgjs' + capitalize(name) + did++;
}
// Deep new id assignment
function assignNewId(node) {
// do the same for SVG child nodes as well
for (let i = node.children.length - 1; i >= 0; i--) {
assignNewId(node.children[i]);
}
if (node.id) {
node.id = eid(node.nodeName);
return node;
}
return node;
}
// Method for extending objects
function extend(modules, methods) {
let key, i;
modules = Array.isArray(modules) ? modules : [modules];
for (i = modules.length - 1; i >= 0; i--) {
for (key in methods) {
modules[i].prototype[key] = methods[key];
}
}
}
function wrapWithAttrCheck(fn) {
return function (...args) {
const o = args[args.length - 1];
if (o && o.constructor === Object && !(o instanceof Array)) {
return fn.apply(this, args.slice(0, -1)).attr(o);
} else {
return fn.apply(this, args);
}
};
}
// Get all siblings, including myself
function siblings() {
return this.parent().children();
}
// Get the current position siblings
function position() {
return this.parent().index(this);
}
// Get the next element (will return null if there is none)
function next() {
return this.siblings()[this.position() + 1];
}
// Get the next element (will return null if there is none)
function prev() {
return this.siblings()[this.position() - 1];
}
// Send given element one step forward
function forward() {
const i = this.position();
const p = this.parent();
// move node one step forward
p.add(this.remove(), i + 1);
return this;
}
// Send given element one step backward
function backward() {
const i = this.position();
const p = this.parent();
p.add(this.remove(), i ? i - 1 : 0);
return this;
}
// Send given element all the way to the front
function front() {
const p = this.parent();
// Move node forward
p.add(this.remove());
return this;
}
// Send given element all the way to the back
function back() {
const p = this.parent();
// Move node back
p.add(this.remove(), 0);
return this;
}
// Inserts a given element before the targeted element
function before(element) {
element = makeInstance(element);
element.remove();
const i = this.position();
this.parent().add(element, i);
return this;
}
// Inserts a given element after the targeted element
function after(element) {
element = makeInstance(element);
element.remove();
const i = this.position();
this.parent().add(element, i + 1);
return this;
}
function insertBefore(element) {
element = makeInstance(element);
element.before(this);
return this;
}
function insertAfter(element) {
element = makeInstance(element);
element.after(this);
return this;
}
registerMethods('Dom', {
siblings,
position,
next,
prev,
forward,
backward,
front,
back,
before,
after,
insertBefore,
insertAfter
});
// Parse unit value
const numberAndUnit = /^([+-]?(\d+(\.\d*)?|\.\d+)(e[+-]?\d+)?)([a-z%]*)$/i;
// Parse hex value
const hex = /^#?([a-f\d]{2})([a-f\d]{2})([a-f\d]{2})$/i;
// Parse rgb value
const rgb = /rgb\((\d+),(\d+),(\d+)\)/;
// Parse reference id
const reference = /(#[a-z_][a-z0-9\-_]*)/i;
// splits a transformation chain
const transforms = /\)\s*,?\s*/;
// Whitespace
const whitespace = /\s/g;
// Test hex value
const isHex = /^#[a-f0-9]{3}$|^#[a-f0-9]{6}$/i;
// Test rgb value
const isRgb = /^rgb\(/;
// Test for blank string
const isBlank = /^(\s+)?$/;
// Test for numeric string
const isNumber = /^[+-]?(\d+(\.\d*)?|\.\d+)(e[+-]?\d+)?$/i;
// Test for image url
const isImage = /\.(jpg|jpeg|png|gif|svg)(\?[^=]+.*)?/i;
// split at whitespace and comma
const delimiter = /[\s,]+/;
// Test for path letter
const isPathLetter = /[MLHVCSQTAZ]/i;
var regex = {
__proto__: null,
delimiter: delimiter,
hex: hex,
isBlank: isBlank,
isHex: isHex,
isImage: isImage,
isNumber: isNumber,
isPathLetter: isPathLetter,
isRgb: isRgb,
numberAndUnit: numberAndUnit,
reference: reference,
rgb: rgb,
transforms: transforms,
whitespace: whitespace
};
// Return array of classes on the node
function classes() {
const attr = this.attr('class');
return attr == null ? [] : attr.trim().split(delimiter);
}
// Return true if class exists on the node, false otherwise
function hasClass(name) {
return this.classes().indexOf(name) !== -1;
}
// Add class to the node
function addClass(name) {
if (!this.hasClass(name)) {
const array = this.classes();
array.push(name);
this.attr('class', array.join(' '));
}
return this;
}
// Remove class from the node
function removeClass(name) {
if (this.hasClass(name)) {
this.attr('class', this.classes().filter(function (c) {
return c !== name;
}).join(' '));
}
return this;
}
// Toggle the presence of a class on the node
function toggleClass(name) {
return this.hasClass(name) ? this.removeClass(name) : this.addClass(name);
}
registerMethods('Dom', {
classes,
hasClass,
addClass,
removeClass,
toggleClass
});
// Dynamic style generator
function css(style, val) {
const ret = {};
if (arguments.length === 0) {
// get full style as object
this.node.style.cssText.split(/\s*;\s*/).filter(function (el) {
return !!el.length;
}).forEach(function (el) {
const t = el.split(/\s*:\s*/);
ret[t[0]] = t[1];
});
return ret;
}
if (arguments.length < 2) {
// get style properties as array
if (Array.isArray(style)) {
for (const name of style) {
const cased = name;
ret[name] = this.node.style.getPropertyValue(cased);
}
return ret;
}
// get style for property
if (typeof style === 'string') {
return this.node.style.getPropertyValue(style);
}
// set styles in object
if (typeof style === 'object') {
for (const name in style) {
// set empty string if null/undefined/'' was given
this.node.style.setProperty(name, style[name] == null || isBlank.test(style[name]) ? '' : style[name]);
}
}
}
// set style for property
if (arguments.length === 2) {
this.node.style.setProperty(style, val == null || isBlank.test(val) ? '' : val);
}
return this;
}
// Show element
function show() {
return this.css('display', '');
}
// Hide element
function hide() {
return this.css('display', 'none');
}
// Is element visible?
function visible() {
return this.css('display') !== 'none';
}
registerMethods('Dom', {
css,
show,
hide,
visible
});
// Store data values on svg nodes
function data(a, v, r) {
if (a == null) {
// get an object of attributes
return this.data(map(filter(this.node.attributes, el => el.nodeName.indexOf('data-') === 0), el => el.nodeName.slice(5)));
} else if (a instanceof Array) {
const data = {};
for (const key of a) {
data[key] = this.data(key);
}
return data;
} else if (typeof a === 'object') {
for (v in a) {
this.data(v, a[v]);
}
} else if (arguments.length < 2) {
try {
return JSON.parse(this.attr('data-' + a));
} catch (e) {
return this.attr('data-' + a);
}
} else {
this.attr('data-' + a, v === null ? null : r === true || typeof v === 'string' || typeof v === 'number' ? v : JSON.stringify(v));
}
return this;
}
registerMethods('Dom', {
data
});
// Remember arbitrary data
function remember(k, v) {
// remember every item in an object individually
if (typeof arguments[0] === 'object') {
for (const key in k) {
this.remember(key, k[key]);
}
} else if (arguments.length === 1) {
// retrieve memory
return this.memory()[k];
} else {
// store memory
this.memory()[k] = v;
}
return this;
}
// Erase a given memory
function forget() {
if (arguments.length === 0) {
this._memory = {};
} else {
for (let i = arguments.length - 1; i >= 0; i--) {
delete this.memory()[arguments[i]];
}
}
return this;
}
// This triggers creation of a new hidden class which is not performant
// However, this function is not rarely used so it will not happen frequently
// Return local memory object
function memory() {
return this._memory = this._memory || {};
}
registerMethods('Dom', {
remember,
forget,
memory
});
function sixDigitHex(hex) {
return hex.length === 4 ? ['#', hex.substring(1, 2), hex.substring(1, 2), hex.substring(2, 3), hex.substring(2, 3), hex.substring(3, 4), hex.substring(3, 4)].join('') : hex;
}
function componentHex(component) {
const integer = Math.round(component);
const bounded = Math.max(0, Math.min(255, integer));
const hex = bounded.toString(16);
return hex.length === 1 ? '0' + hex : hex;
}
function is(object, space) {
for (let i = space.length; i--;) {
if (object[space[i]] == null) {
return false;
}
}
return true;
}
function getParameters(a, b) {
const params = is(a, 'rgb') ? {
_a: a.r,
_b: a.g,
_c: a.b,
_d: 0,
space: 'rgb'
} : is(a, 'xyz') ? {
_a: a.x,
_b: a.y,
_c: a.z,
_d: 0,
space: 'xyz'
} : is(a, 'hsl') ? {
_a: a.h,
_b: a.s,
_c: a.l,
_d: 0,
space: 'hsl'
} : is(a, 'lab') ? {
_a: a.l,
_b: a.a,
_c: a.b,
_d: 0,
space: 'lab'
} : is(a, 'lch') ? {
_a: a.l,
_b: a.c,
_c: a.h,
_d: 0,
space: 'lch'
} : is(a, 'cmyk') ? {
_a: a.c,
_b: a.m,
_c: a.y,
_d: a.k,
space: 'cmyk'
} : {
_a: 0,
_b: 0,
_c: 0,
space: 'rgb'
};
params.space = b || params.space;
return params;
}
function cieSpace(space) {
if (space === 'lab' || space === 'xyz' || space === 'lch') {
return true;
} else {
return false;
}
}
function hueToRgb(p, q, t) {
if (t < 0) t += 1;
if (t > 1) t -= 1;
if (t < 1 / 6) return p + (q - p) * 6 * t;
if (t < 1 / 2) return q;
if (t < 2 / 3) return p + (q - p) * (2 / 3 - t) * 6;
return p;
}
class Color {
constructor(...inputs) {
this.init(...inputs);
}
// Test if given value is a color
static isColor(color) {
return color && (color instanceof Color || this.isRgb(color) || this.test(color));
}
// Test if given value is an rgb object
static isRgb(color) {
return color && typeof color.r === 'number' && typeof color.g === 'number' && typeof color.b === 'number';
}
/*
Generating random colors
*/
static random(mode = 'vibrant', t) {
// Get the math modules
const {
random,
round,
sin,
PI: pi
} = Math;
// Run the correct generator
if (mode === 'vibrant') {
const l = (81 - 57) * random() + 57;
const c = (83 - 45) * random() + 45;
const h = 360 * random();
const color = new Color(l, c, h, 'lch');
return color;
} else if (mode === 'sine') {
t = t == null ? random() : t;
const r = round(80 * sin(2 * pi * t / 0.5 + 0.01) + 150);
const g = round(50 * sin(2 * pi * t / 0.5 + 4.6) + 200);
const b = round(100 * sin(2 * pi * t / 0.5 + 2.3) + 150);
const color = new Color(r, g, b);
return color;
} else if (mode === 'pastel') {
const l = (94 - 86) * random() + 86;
const c = (26 - 9) * random() + 9;
const h = 360 * random();
const color = new Color(l, c, h, 'lch');
return color;
} else if (mode === 'dark') {
const l = 10 + 10 * random();
const c = (125 - 75) * random() + 86;
const h = 360 * random();
const color = new Color(l, c, h, 'lch');
return color;
} else if (mode === 'rgb') {
const r = 255 * random();
const g = 255 * random();
const b = 255 * random();
const color = new Color(r, g, b);
return color;
} else if (mode === 'lab') {
const l = 100 * random();
const a = 256 * random() - 128;
const b = 256 * random() - 128;
const color = new Color(l, a, b, 'lab');
return color;
} else if (mode === 'grey') {
const grey = 255 * random();
const color = new Color(grey, grey, grey);
return color;
} else {
throw new Error('Unsupported random color mode');
}
}
// Test if given value is a color string
static test(color) {
return typeof color === 'string' && (isHex.test(color) || isRgb.test(color));
}
cmyk() {
// Get the rgb values for the current color
const {
_a,
_b,
_c
} = this.rgb();
const [r, g, b] = [_a, _b, _c].map(v => v / 255);
// Get the cmyk values in an unbounded format
const k = Math.min(1 - r, 1 - g, 1 - b);
if (k === 1) {
// Catch the black case
return new Color(0, 0, 0, 1, 'cmyk');
}
const c = (1 - r - k) / (1 - k);
const m = (1 - g - k) / (1 - k);
const y = (1 - b - k) / (1 - k);
// Construct the new color
const color = new Color(c, m, y, k, 'cmyk');
return color;
}
hsl() {
// Get the rgb values
const {
_a,
_b,
_c
} = this.rgb();
const [r, g, b] = [_a, _b, _c].map(v => v / 255);
// Find the maximum and minimum values to get the lightness
const max = Math.max(r, g, b);
const min = Math.min(r, g, b);
const l = (max + min) / 2;
// If the r, g, v values are identical then we are grey
const isGrey = max === min;
// Calculate the hue and saturation
const delta = max - min;
const s = isGrey ? 0 : l > 0.5 ? delta / (2 - max - min) : delta / (max + min);
const h = isGrey ? 0 : max === r ? ((g - b) / delta + (g < b ? 6 : 0)) / 6 : max === g ? ((b - r) / delta + 2) / 6 : max === b ? ((r - g) / delta + 4) / 6 : 0;
// Construct and return the new color
const color = new Color(360 * h, 100 * s, 100 * l, 'hsl');
return color;
}
init(a = 0, b = 0, c = 0, d = 0, space = 'rgb') {
// This catches the case when a falsy value is passed like ''
a = !a ? 0 : a;
// Reset all values in case the init function is rerun with new color space
if (this.space) {
for (const component in this.space) {
delete this[this.space[component]];
}
}
if (typeof a === 'number') {
// Allow for the case that we don't need d...
space = typeof d === 'string' ? d : space;
d = typeof d === 'string' ? 0 : d;
// Assign the values straight to the color
Object.assign(this, {
_a: a,
_b: b,
_c: c,
_d: d,
space
});
// If the user gave us an array, make the color from it
} else if (a instanceof Array) {
this.space = b || (typeof a[3] === 'string' ? a[3] : a[4]) || 'rgb';
Object.assign(this, {
_a: a[0],
_b: a[1],
_c: a[2],
_d: a[3] || 0
});
} else if (a instanceof Object) {
// Set the object up and assign its values directly
const values = getParameters(a, b);
Object.assign(this, values);
} else if (typeof a === 'string') {
if (isRgb.test(a)) {
const noWhitespace = a.replace(whitespace, '');
const [_a, _b, _c] = rgb.exec(noWhitespace).slice(1, 4).map(v => parseInt(v));
Object.assign(this, {
_a,
_b,
_c,
_d: 0,
space: 'rgb'
});
} else if (isHex.test(a)) {
const hexParse = v => parseInt(v, 16);
const [, _a, _b, _c] = hex.exec(sixDigitHex(a)).map(hexParse);
Object.assign(this, {
_a,
_b,
_c,
_d: 0,
space: 'rgb'
});
} else throw Error("Unsupported string format, can't construct Color");
}
// Now add the components as a convenience
const {
_a,
_b,
_c,
_d
} = this;
const components = this.space === 'rgb' ? {
r: _a,
g: _b,
b: _c
} : this.space === 'xyz' ? {
x: _a,
y: _b,
z: _c
} : this.space === 'hsl' ? {
h: _a,
s: _b,
l: _c
} : this.space === 'lab' ? {
l: _a,
a: _b,
b: _c
} : this.space === 'lch' ? {
l: _a,
c: _b,
h: _c
} : this.space === 'cmyk' ? {
c: _a,
m: _b,
y: _c,
k: _d
} : {};
Object.assign(this, components);
}
lab() {
// Get the xyz color
const {
x,
y,
z
} = this.xyz();
// Get the lab components
const l = 116 * y - 16;
const a = 500 * (x - y);
const b = 200 * (y - z);
// Construct and return a new color
const color = new Color(l, a, b, 'lab');
return color;
}
lch() {
// Get the lab color directly
const {
l,
a,
b
} = this.lab();
// Get the chromaticity and the hue using polar coordinates
const c = Math.sqrt(a ** 2 + b ** 2);
let h = 180 * Math.atan2(b, a) / Math.PI;
if (h < 0) {
h *= -1;
h = 360 - h;
}
// Make a new color and return it
const color = new Color(l, c, h, 'lch');
return color;
}
/*
Conversion Methods
*/
rgb() {
if (this.space === 'rgb') {
return this;
} else if (cieSpace(this.space)) {
// Convert to the xyz color space
let {
x,
y,
z
} = this;
if (this.space === 'lab' || this.space === 'lch') {
// Get the values in the lab space
let {
l,
a,
b
} = this;
if (this.space === 'lch') {
const {
c,
h
} = this;
const dToR = Math.PI / 180;
a = c * Math.cos(dToR * h);
b = c * Math.sin(dToR * h);
}
// Undo the nonlinear function
const yL = (l + 16) / 116;
const xL = a / 500 + yL;
const zL = yL - b / 200;
// Get the xyz values
const ct = 16 / 116;
const mx = 0.008856;
const nm = 7.787;
x = 0.95047 * (xL ** 3 > mx ? xL ** 3 : (xL - ct) / nm);
y = 1.0 * (yL ** 3 > mx ? yL ** 3 : (yL - ct) / nm);
z = 1.08883 * (zL ** 3 > mx ? zL ** 3 : (zL - ct) / nm);
}
// Convert xyz to unbounded rgb values
const rU = x * 3.2406 + y * -1.5372 + z * -0.4986;
const gU = x * -0.9689 + y * 1.8758 + z * 0.0415;
const bU = x * 0.0557 + y * -0.204 + z * 1.057;
// Convert the values to true rgb values
const pow = Math.pow;
const bd = 0.0031308;
const r = rU > bd ? 1.055 * pow(rU, 1 / 2.4) - 0.055 : 12.92 * rU;
const g = gU > bd ? 1.055 * pow(gU, 1 / 2.4) - 0.055 : 12.92 * gU;
const b = bU > bd ? 1.055 * pow(bU, 1 / 2.4) - 0.055 : 12.92 * bU;
// Make and return the color
const color = new Color(255 * r, 255 * g, 255 * b);
return color;
} else if (this.space === 'hsl') {
// https://bgrins.github.io/TinyColor/docs/tinycolor.html
// Get the current hsl values
let {
h,
s,
l
} = this;
h /= 360;
s /= 100;
l /= 100;
// If we are grey, then just make the color directly
if (s === 0) {
l *= 255;
const color = new Color(l, l, l);
return color;
}
// TODO I have no idea what this does :D If you figure it out, tell me!
const q = l < 0.5 ? l * (1 + s) : l + s - l * s;
const p = 2 * l - q;
// Get the rgb values
const r = 255 * hueToRgb(p, q, h + 1 / 3);
const g = 255 * hueToRgb(p, q, h);
const b = 255 * hueToRgb(p, q, h - 1 / 3);
// Make a new color
const color = new Color(r, g, b);
return color;
} else if (this.space === 'cmyk') {
// https://gist.github.com/felipesabino/5066336
// Get the normalised cmyk values
const {
c,
m,
y,
k
} = this;
// Get the rgb values
const r = 255 * (1 - Math.min(1, c * (1 - k) + k));
const g = 255 * (1 - Math.min(1, m * (1 - k) + k));
const b = 255 * (1 - Math.min(1, y * (1 - k) + k));
// Form the color and return it
const color = new Color(r, g, b);
return color;
} else {
return this;
}
}
toArray() {
const {
_a,
_b,
_c,
_d,
space
} = this;
return [_a, _b, _c, _d, space];
}
toHex() {
const [r, g, b] = this._clamped().map(componentHex);
return `#${r}${g}${b}`;
}
toRgb() {
const [rV, gV, bV] = this._clamped();
const string = `rgb(${rV},${gV},${bV})`;
return string;
}
toString() {
return this.toHex();
}
xyz() {
// Normalise the red, green and blue values
const {
_a: r255,
_b: g255,
_c: b255
} = this.rgb();
const [r, g, b] = [r255, g255, b255].map(v => v / 255);
// Convert to the lab rgb space
const rL = r > 0.04045 ? Math.pow((r + 0.055) / 1.055, 2.4) : r / 12.92;
const gL = g > 0.04045 ? Math.pow((g + 0.055) / 1.055, 2.4) : g / 12.92;
const bL = b > 0.04045 ? Math.pow((b + 0.055) / 1.055, 2.4) : b / 12.92;
// Convert to the xyz color space without bounding the values
const xU = (rL * 0.4124 + gL * 0.3576 + bL * 0.1805) / 0.95047;
const yU = (rL * 0.2126 + gL * 0.7152 + bL * 0.0722) / 1.0;
const zU = (rL * 0.0193 + gL * 0.1192 + bL * 0.9505) / 1.08883;
// Get the proper xyz values by applying the bounding
const x = xU > 0.008856 ? Math.pow(xU, 1 / 3) : 7.787 * xU + 16 / 116;
const y = yU > 0.008856 ? Math.pow(yU, 1 / 3) : 7.787 * yU + 16 / 116;
const z = zU > 0.008856 ? Math.pow(zU, 1 / 3) : 7.787 * zU + 16 / 116;
// Make and return the color
const color = new Color(x, y, z, 'xyz');
return color;
}
/*
Input and Output methods
*/
_clamped() {
const {
_a,
_b,
_c
} = this.rgb();
const {
max,
min,
round
} = Math;
const format = v => max(0, min(round(v), 255));
return [_a, _b, _c].map(format);
}
/*
Constructing colors
*/
}
class Point {
// Initialize
constructor(...args) {
this.init(...args);
}
// Clone point
clone() {
return new Point(this);
}
init(x, y) {
const base = {
x: 0,
y: 0
};
// ensure source as object
const source = Array.isArray(x) ? {
x: x[0],
y: x[1]
} : typeof x === 'object' ? {
x: x.x,
y: x.y
} : {
x: x,
y: y
};
// merge source
this.x = source.x == null ? base.x : source.x;
this.y = source.y == null ? base.y : source.y;
return this;
}
toArray() {
return [this.x, this.y];
}
transform(m) {
return this.clone().transformO(m);
}
// Transform point with matrix
transformO(m) {
if (!Matrix.isMatrixLike(m)) {
m = new Matrix(m);
}
const {
x,
y
} = this;
// Perform the matrix multiplication
this.x = m.a * x + m.c * y + m.e;
this.y = m.b * x + m.d * y + m.f;
return this;
}
}
function point(x, y) {
return new Point(x, y).transformO(this.screenCTM().inverseO());
}
function closeEnough(a, b, threshold) {
return Math.abs(b - a) < (1e-6);
}
class Matrix {
constructor(...args) {
this.init(...args);
}
static formatTransforms(o) {
// Get all of the parameters required to form the matrix
const flipBoth = o.flip === 'both' || o.flip === true;
const flipX = o.flip && (flipBoth || o.flip === 'x') ? -1 : 1;
const flipY = o.flip && (flipBoth || o.flip === 'y') ? -1 : 1;
const skewX = o.skew && o.skew.length ? o.skew[0] : isFinite(o.skew) ? o.skew : isFinite(o.skewX) ? o.skewX : 0;
const skewY = o.skew && o.skew.length ? o.skew[1] : isFinite(o.skew) ? o.skew : isFinite(o.skewY) ? o.skewY : 0;
const scaleX = o.scale && o.scale.length ? o.scale[0] * flipX : isFinite(o.scale) ? o.scale * flipX : isFinite(o.scaleX) ? o.scaleX * flipX : flipX;
const scaleY = o.scale && o.scale.length ? o.scale[1] * flipY : isFinite(o.scale) ? o.scale * flipY : isFinite(o.scaleY) ? o.scaleY * flipY : flipY;
const shear = o.shear || 0;
const theta = o.rotate || o.theta || 0;
const origin = new Point(o.origin || o.around || o.ox || o.originX, o.oy || o.originY);
const ox = origin.x;
const oy = origin.y;
// We need Point to be invalid if nothing was passed because we cannot default to 0 here. That is why NaN
const position = new Point(o.position || o.px || o.positionX || NaN, o.py || o.positionY || NaN);
const px = position.x;
const py = position.y;
const translate = new Point(o.translate || o.tx || o.translateX, o.ty || o.translateY);
const tx = translate.x;
const ty = translate.y;
const relative = new Point(o.relative || o.rx || o.relativeX, o.ry || o.relativeY);
const rx = relative.x;
const ry = relative.y;
// Populate all of the values
return {
scaleX,
scaleY,
skewX,
skewY,
shear,
theta,
rx,
ry,
tx,
ty,
ox,
oy,
px,
py
};
}
static fromArray(a) {
return {
a: a[0],
b: a[1],
c: a[2],
d: a[3],
e: a[4],
f: a[5]
};
}
static isMatrixLike(o) {
return o.a != null || o.b != null || o.c != null || o.d != null || o.e != null || o.f != null;
}
// left matrix, right matrix, target matrix which is overwritten
static matrixMultiply(l, r, o) {
// Work out the product directly
const a = l.a * r.a + l.c * r.b;
const b = l.b * r.a + l.d * r.b;
const c = l.a * r.c + l.c * r.d;
const d = l.b * r.c + l.d * r.d;
const e = l.e + l.a * r.e + l.c * r.f;
const f = l.f + l.b * r.e + l.d * r.f;
// make sure to use local variables because l/r and o could be the same
o.a = a;
o.b = b;
o.c = c;
o.d = d;
o.e = e;
o.f = f;
return o;
}
around(cx, cy, matrix) {
return this.clone().aroundO(cx, cy, matrix);
}
// Transform around a center point
aroundO(cx, cy, matrix) {
const dx = cx || 0;
const dy = cy || 0;
return this.translateO(-dx, -dy).lmultiplyO(matrix).translateO(dx, dy);
}
// Clones this matrix
clone() {
return new Matrix(this);
}
// Decomposes this matrix into its affine parameters
decompose(cx = 0, cy = 0) {
// Get the parameters from the matrix
const a = this.a;
const b = this.b;
const c = this.c;
const d = this.d;
const e = this.e;
const f = this.f;
// Figure out if the winding direction is clockwise or counterclockwise
const determinant = a * d - b * c;
const ccw = determinant > 0 ? 1 : -1;
// Since we only shear in x, we can use the x basis to get the x scale
// and the rotation of the resulting matrix
const sx = ccw * Math.sqrt(a * a + b * b);
const thetaRad = Math.atan2(ccw * b, ccw * a);
const theta = 180 / Math.PI * thetaRad;
const ct = Math.cos(thetaRad);
const st = Math.sin(thetaRad);
// We can then solve the y basis vector simultaneously to get the other
// two affine parameters directly from these parameters
const lam = (a * c + b * d) / determinant;
const sy = c * sx / (lam * a - b) || d * sx / (lam * b + a);
// Use the translations
const tx = e - cx + cx * ct * sx + cy * (lam * ct * sx - st * sy);
const ty = f - cy + cx * st * sx + cy * (lam * st * sx + ct * sy);
// Construct the decomposition and return it
return {
// Return the affine parameters
scaleX: sx,
scaleY: sy,
shear: lam,
rotate: theta,
translateX: tx,
translateY: ty,
originX: cx,
originY: cy,
// Return the matrix parameters
a: this.a,
b: this.b,
c: this.c,
d: this.d,
e: this.e,
f: this.f
};
}
// Check if two matrices are equal
equals(other) {
if (other === this) return true;
const comp = new Matrix(other);
return closeEnough(this.a, comp.a) && closeEnough(this.b, comp.b) && closeEnough(this.c, comp.c) && closeEnough(this.d, comp.d) && closeEnough(this.e, comp.e) && closeEnough(this.f, comp.f);
}
// Flip matrix on x or y, at a given offset
flip(axis, around) {
return this.clone().flipO(axis, around);
}
flipO(axis, around) {
return axis === 'x' ? this.scaleO(-1, 1, around, 0) : axis === 'y' ? this.scaleO(1, -1, 0, around) : this.scaleO(-1, -1, axis, around || axis); // Define an x, y flip point
}
// Initialize
init(source) {
const base = Matrix.fromArray([1, 0, 0, 1, 0, 0]);
// ensure source as object
source = source instanceof Element ? source.matrixify() : typeof source === 'string' ? Matrix.fromArray(source.split(delimiter).map(parseFloat)) : Array.isArray(source) ? Matrix.fromArray(source) : typeof source === 'object' && Matrix.isMatrixLike(source) ? source : typeof source === 'object' ? new Matrix().transform(source) : arguments.length === 6 ? Matrix.fromArray([].slice.call(arguments)) : base;
// Merge the source matrix with the base matrix
this.a = source.a != null ? source.a : base.a;
this.b = source.b != null ? source.b : base.b;
this.c = source.c != null ? source.c : base.c;
this.d = source.d != null ? source.d : base.d;
this.e = source.e != null ? source.e : base.e;
this.f = source.f != null ? source.f : base.f;
return this;
}
inverse() {
return this.clone().inverseO();
}
// Inverses matrix
inverseO() {
// Get the current parameters out of the matrix
const a = this.a;
const b = this.b;
const c = this.c;
const d = this.d;
const e = this.e;
const f = this.f;
// Invert the 2x2 matrix in the top left
const det = a * d - b * c;
if (!det) throw new Error('Cannot invert ' + this);
// Calculate the top 2x2 matrix
const na = d / det;
const nb = -b / det;
const nc = -c / det;
const nd = a / det;
// Apply the inverted matrix to the top right
const ne = -(na * e + nc * f);
const nf = -(nb * e + nd * f);
// Construct the inverted matrix
this.a = na;
this.b = nb;
this.c = nc;
this.d = nd;
this.e = ne;
this.f = nf;
return this;
}
lmultiply(matrix) {
return this.clone().lmultiplyO(matrix);
}
lmultiplyO(matrix) {
const r = this;
const l = matrix instanceof Matrix ? matrix : new Matrix(matrix);
return Matrix.matrixMultiply(l, r, this);
}
// Left multiplies by the given matrix
multiply(matrix) {
return this.clone().multiplyO(matrix);
}
multiplyO(matrix) {
// Get the matrices
const l = this;
const r = matrix instanceof Matrix ? matrix : new Matrix(matrix);
return Matrix.matrixMultiply(l, r, this);
}
// Rotate matrix
rotate(r, cx, cy) {
return this.clone().rotateO(r, cx, cy);
}
rotateO(r, cx = 0, cy = 0) {
// Convert degrees to radians
r = radians(r);
const cos = Math.cos(r);
const sin = Math.sin(r);
const {
a,
b,
c,
d,
e,
f
} = this;
this.a = a * cos - b * sin;
this.b = b * cos + a * sin;
this.c = c * cos - d * sin;
this.d = d * cos + c * sin;
this.e = e * cos - f * sin + cy * sin - cx * cos + cx;
this.f = f * cos + e * sin - cx * sin - cy * cos + cy;
return this;
}
// Scale matrix
scale() {
return this.clone().scaleO(...arguments);
}
scaleO(x, y = x, cx = 0, cy = 0) {
// Support uniform scaling
if (arguments.length === 3) {
cy = cx;
cx = y;
y = x;
}
const {
a,
b,
c,
d,
e,
f
} = this;
this.a = a * x;
this.b = b * y;
this.c = c * x;
this.d = d * y;
this.e = e * x - cx * x + cx;
this.f = f * y - cy * y + cy;
return this;
}
// Shear matrix
shear(a, cx, cy) {
return this.clone().shearO(a, cx, cy);
}
// eslint-disable-next-line no-unused-vars
shearO(lx, cx = 0, cy = 0) {
const {
a,
b,
c,
d,
e,
f
} = this;
this.a = a + b * lx;
this.c = c + d * lx;
this.e = e + f * lx - cy * lx;
return this;
}
// Skew Matrix
skew() {
return this.clone().skewO(...arguments);
}
skewO(x, y = x, cx = 0, cy = 0) {
// support uniformal skew
if (arguments.length === 3) {
cy = cx;
cx = y;
y = x;
}
// Convert degrees to radians
x = radians(x);
y = radians(y);
const lx = Math.tan(x);
const ly = Math.tan(y);
const {
a,
b,
c,
d,
e,
f
} = this;
this.a = a + b * lx;
this.b = b + a * ly;
this.c = c + d * lx;
this.d = d + c * ly;
this.e = e + f * lx - cy * lx;
this.f = f + e * ly - cx * ly;
return this;
}
// SkewX
skewX(x, cx, cy) {
return this.skew(x, 0, cx, cy);
}
// SkewY
skewY(y, cx, cy) {
return this.skew(0, y, cx, cy);
}
toArray() {
return [this.a, this.b, this.c, this.d, this.e, this.f];
}
// Convert matrix to string
toString() {
return 'matrix(' + this.a + ',' + this.b + ',' + this.c + ',' + this.d + ',' + this.e + ',' + this.f + ')';
}
// Transform a matrix into another matrix by manipulating the space
transform(o) {
// Check if o is a matrix and then left multiply it directly
if (Matrix.isMatrixLike(o)) {
const matrix = new Matrix(o);
return matrix.multiplyO(this);
}
// Get the proposed transformations and the current transformations
const t = Matrix.formatTransforms(o);
const current = this;
const {
x: ox,
y: oy
} = new Point(t.ox, t.oy).transform(current);
// Construct the resulting matrix
const transformer = new Matrix().translateO(t.rx, t.ry).lmultiplyO(current).translateO(-ox, -oy).scaleO(t.scaleX, t.scaleY).skewO(t.skewX, t.skewY).shearO(t.shear).rotateO(t.theta).translateO(ox, oy);
// If we want the origin at a particular place, we force it there
if (isFinite(t.px) || isFinite(t.py)) {
const origin = new Point(ox, oy).transform(transformer);
// TODO: Replace t.px with isFinite(t.px)
// Doesn't work because t.px is also 0 if it wasn't passed
const dx = isFinite(t.px) ? t.px - origin.x : 0;
const dy = isFinite(t.py) ? t.py - origin.y : 0;
transformer.translateO(dx, dy);
}
// Translate now after positioning
transformer.translateO(t.tx, t.ty);
return transformer;
}
// Translate matrix
translate(x, y) {
return this.clone().translateO(x, y);
}
translateO(x, y) {
this.e += x || 0;
this.f += y || 0;
return this;
}
valueOf() {
return {
a: this.a,
b: this.b,
c: this.c,
d: this.d,
e: this.e,
f: this.f
};
}
}
function ctm() {
return new Matrix(this.node.getCTM());
}
function screenCTM() {
try {
/* https://bugzilla.mozilla.org/show_bug.cgi?id=1344537
This is needed because FF does not return the transformation matrix
for the inner coordinate system when getScreenCTM() is called on nested svgs.
However all other Browsers do that */
if (typeof this.isRoot === 'function' && !this.isRoot()) {
const rect = this.rect(1, 1);
const m = rect.node.getScreenCTM();
rect.remove();
return new Matrix(m);
}
return new Matrix(this.node.getScreenCTM());
} catch (e) {
console.warn(`Cannot get CTM from SVG node ${this.node.nodeName}. Is the element rendered?`);
return new Matrix();
}
}
register(Matrix, 'Matrix');
function parser() {
// Reuse cached element if possible
if (!parser.nodes) {
const svg = makeInstance().size(2, 0);
svg.node.style.cssText = ['opacity: 0', 'position: absolute', 'left: -100%', 'top: -100%', 'overflow: hidden'].join(';');
svg.attr('focusable', 'false');
svg.attr('aria-hidden', 'true');
const path = svg.path().node;
parser.nodes = {
svg,
path
};
}
if (!parser.nodes.svg.node.parentNode) {
const b = globals.document.body || globals.document.documentElement;
parser.nodes.svg.addTo(b);
}
return parser.nodes;
}
function isNulledBox(box) {
return !box.width && !box.height && !box.x && !box.y;
}
function domContains(node) {
return node === globals.document || (globals.document.documentElement.contains || function (node) {
// This is IE - it does not support contains() for top-level SVGs
while (node.parentNode) {
node = node.parentNode;
}
return node === globals.document;
}).call(globals.document.documentElement, node);
}
class Box {
constructor(...args) {
this.init(...args);
}
addOffset() {
// offset by window scroll position, because getBoundingClientRect changes when window is scrolled
this.x += globals.window.pageXOffset;
this.y += globals.window.pageYOffset;
return new Box(this);
}
init(source) {
const base = [0, 0, 0, 0];
source = typeof source === 'string' ? source.split(delimiter).map(parseFloat) : Array.isArray(source) ? source : typeof source === 'object' ? [source.left != null ? source.left : source.x, source.top != null ? source.top : source.y, source.width, source.height] : arguments.length === 4 ? [].slice.call(arguments) : base;
this.x = source[0] || 0;
this.y = source[1] || 0;
this.width = this.w = source[2] || 0;
this.height = this.h = source[3] || 0;
// Add more bounding box properties
this.x2 = this.x + this.w;
this.y2 = this.y + this.h;
this.cx = this.x + this.w / 2;
this.cy = this.y + this.h / 2;
return this;
}
isNulled() {
return isNulledBox(this);
}
// Merge rect box with another, return a new instance
merge(box) {
const x = Math.min(this.x, box.x);
const y = Math.min(this.y, box.y);
const width = Math.max(this.x + this.width, box.x + box.width) - x;
const height = Math.max(this.y + this.height, box.y + box.height) - y;
return new Box(x, y, width, height);
}
toArray() {
return [this.x, this.y, this.width, this.height];
}
toString() {
return this.x + ' ' + this.y + ' ' + this.width + ' ' + this.height;
}
transform(m) {
if (!(m instanceof Matrix)) {
m = new Matrix(m);
}
let xMin = Infinity;
let xMax = -Infinity;
let yMin = Infinity;
let yMax = -Infinity;
const pts = [new Point(this.x, this.y), new Point(this.x2, this.y), new Point(this.x, this.y2), new Point(this.x2, this.y2)];
pts.forEach(function (p) {
p = p.transform(m);
xMin = Math.min(xMin, p.x);
xMax = Math.max(xMax, p.x);
yMin = Math.min(yMin, p.y);
yMax = Math.max(yMax, p.y);
});
return new Box(xMin, yMin, xMax - xMin, yMax - yMin);
}
}
function getBox(el, getBBoxFn, retry) {
let box;
try {
// Try to get the box with the provided function
box = getBBoxFn(el.node);
// If the box is worthless and not even in the dom, retry
// by throwing an error here...
if (isNulledBox(box) && !domContains(el.node)) {
throw new Error('Element not in the dom');
}
} catch (e) {
// ... and calling the retry handler here
box = retry(el);
}
return box;
}
function bbox() {
// Function to get bbox is getBBox()
const getBBox = node => node.getBBox();
// Take all measures so that a stupid browser renders the element
// so we can get the bbox from it when we try again
const retry = el => {
try {
const clone = el.clone().addTo(parser().svg).show();
const box = clone.node.getBBox();
clone.remove();
return box;
} catch (e) {
// We give up...
throw new Error(`Getting bbox of element "${el.node.nodeName}" is not possible: ${e.toString()}`);
}
};
const box = getBox(this, getBBox, retry);
const bbox = new Box(box);
return bbox;
}
function rbox(el) {
const getRBox = node => node.getBoundingClientRect();
const retry = el => {
// There is no point in trying tricks here because if we insert the element into the dom ourselves
// it obviously will be at the wrong position
throw new Error(`Getting rbox of element "${el.node.nodeName}" is not possible`);
};
const box = getBox(this, getRBox, retry);
const rbox = new Box(box);
// If an element was passed, we want the bbox in the coordinate system of that element
if (el) {
return rbox.transform(el.screenCTM().inverseO());
}
// Else we want it in absolute screen coordinates
// Therefore we need to add the scrollOffset
return rbox.addOffset();
}
// Checks whether the given point is inside the bounding box
function inside(x, y) {
const box = this.bbox();
return x > box.x && y > box.y && x < box.x + box.width && y < box.y + box.height;
}
registerMethods({
viewbox: {
viewbox(x, y, width, height) {
// act as getter
if (x == null) return new Box(this.attr('viewBox'));
// act as setter
return this.attr('viewBox', new Box(x, y, width, height));
},
zoom(level, point) {
// Its best to rely on the attributes here and here is why:
// clientXYZ: Doesn't work on non-root svgs because they dont have a CSSBox (silly!)
// getBoundingClientRect: Doesn't work because Chrome just ignores width and height of nested svgs completely
// that means, their clientRect is always as big as the content.
// Furthermore this size is incorrect if the element is further transformed by its parents
// computedStyle: Only returns meaningful values if css was used with px. We dont go this route here!
// getBBox: returns the bounding box of its content - that doesn't help!
let {
width,
height
} = this.attr(['width', 'height']);
// Width and height is a string when a number with a unit is present which we can't use
// So we try clientXYZ
if (!width && !height || typeof width === 'string' || typeof height === 'string') {
width = this.node.clientWidth;
height = this.node.clientHeight;
}
// Giving up...
if (!width || !height) {
throw new Error('Impossible to get absolute width and height. Please provide an absolute width and height attribute on the zooming element');
}
const v = this.viewbox();
const zoomX = width / v.width;
const zoomY = height / v.height;
const zoom = Math.min(zoomX, zoomY);
if (level == null) {
return zoom;
}
let zoomAmount = zoom / level;
// Set the zoomAmount to the highest value which is safe to process and recover from
// The * 100 is a bit of wiggle room for the matrix transformation
if (zoomAmount === Infinity) zoomAmount = Number.MAX_SAFE_INTEGER / 100;
point = point || new Point(width / 2 / zoomX + v.x, height / 2 / zoomY + v.y);
const box = new Box(v).transform(new Matrix({
scale: zoomAmount,
origin: point
}));
return this.viewbox(box);
}
}
});
register(Box, 'Box');
// import { subClassArray } from './ArrayPolyfill.js'
class List extends Array {
constructor(arr = [], ...args) {
super(arr, ...args);
if (typeof arr === 'number') return this;
this.length = 0;
this.push(...arr);
}
}
extend([List], {
each(fnOrMethodName, ...args) {
if (typeof fnOrMethodName === 'function') {
return this.map((el, i, arr) => {
return fnOrMethodName.call(el, el, i, arr);
});
} else {
return this.map(el => {
return el[fnOrMethodName](...args);
});
}
},
toArray() {
return Array.prototype.concat.apply([], this);
}
});
const reserved = ['toArray', 'constructor', 'each'];
List.extend = function (methods) {
methods = methods.reduce((obj, name) => {
// Don't overwrite own methods
if (reserved.includes(name)) return obj;
// Don't add private methods
if (name[0] === '_') return obj;
// Allow access to original Array methods through a prefix
if (name in Array.prototype) {
obj['$' + name] = Array.prototype[name];
}
// Relay every call to each()
obj[name] = function (...attrs) {
return this.each(name, ...attrs);
};
return obj;
}, {});
extend([List], methods);
};
function baseFind(query, parent) {
return new List(map((parent || globals.document).querySelectorAll(query), function (node) {
return adopt(node);
}));
}
// Scoped find method
function find(query) {
return baseFind(query, this.node);
}
function findOne(query) {
return adopt(this.node.querySelector(query));
}
let listenerId = 0;
const windowEvents = {};
function getEvents(instance) {
let n = instance.getEventHolder();
// We dont want to save events in global space
if (n === globals.window) n = windowEvents;
if (!n.events) n.events = {};
return n.events;
}
function getEventTarget(instance) {
return instance.getEventTarget();
}
function clearEvents(instance) {
let n = instance.getEventHolder();
if (n === globals.window) n = windowEvents;
if (n.events) n.events = {};
}
// Add event binder in the SVG namespace
function on(node, events, listener, binding, options) {
const l = listener.bind(binding || node);
const instance = makeInstance(node);
const bag = getEvents(instance);
const n = getEventTarget(instance);
// events can be an array of events or a string of events
events = Array.isArray(events) ? events : events.split(delimiter);
// add id to listener
if (!listener._svgjsListenerId) {
listener._svgjsListenerId = ++listenerId;
}
events.forEach(function (event) {
const ev = event.split('.')[0];
const ns = event.split('.')[1] || '*';
// ensure valid object
bag[ev] = bag[ev] || {};
bag[ev][ns] = bag[ev][ns] || {};
// reference listener
bag[ev][ns][listener._svgjsListenerId] = l;
// add listener
n.addEventListener(ev, l, options || false);
});
}
// Add event unbinder in the SVG namespace
function off(node, events, listener, options) {
const instance = makeInstance(node);
const bag = getEvents(instance);
const n = getEventTarget(instance);
// listener can be a function or a number
if (typeof listener === 'function') {
listener = listener._svgjsListenerId;
if (!listener) return;
}
// events can be an array of events or a string or undefined
events = Array.isArray(events) ? events : (events || '').split(delimiter);
events.forEach(function (event) {
const ev = event && event.split('.')[0];
const ns = event && event.split('.')[1];
let namespace, l;
if (listener) {
// remove listener reference
if (bag[ev] && bag[ev][ns || '*']) {
// removeListener
n.removeEventListener(ev, bag[ev][ns || '*'][listener], options || false);
delete bag[ev][ns || '*'][listener];
}
} else if (ev && ns) {
// remove all listeners for a namespaced event
if (bag[ev] && bag[ev][ns]) {
for (l in bag[ev][ns]) {
off(n, [ev, ns].join('.'), l);
}
delete bag[ev][ns];
}
} else if (ns) {
// remove all listeners for a specific namespace
for (event in bag) {
for (namespace in bag[event]) {
if (ns === namespace) {
off(n, [event, ns].join('.'));
}
}
}
} else if (ev) {
// remove all listeners for the event
if (bag[ev]) {
for (namespace in bag[ev]) {
off(n, [ev, namespace].join('.'));
}
delete bag[ev];
}
} else {
// remove all listeners on a given node
for (event in bag) {
off(n, event);
}
clearEvents(instance);
}
});
}
function dispatch(node, event, data, options) {
const n = getEventTarget(node);
// Dispatch event
if (event instanceof globals.window.Event) {
n.dispatchEvent(event);
} else {
event = new globals.window.CustomEvent(event, {
detail: data,
cancelable: true,
...options
});
n.dispatchEvent(event);
}
return event;
}
class EventTarget extends Base {
addEventListener() {}
dispatch(event, data, options) {
return dispatch(this, event, data, options);
}
dispatchEvent(event) {
const bag = this.getEventHolder().events;
if (!bag) return true;
const events = bag[event.type];
for (const i in events) {
for (const j in events[i]) {
events[i][j](event);
}
}
return !event.defaultPrevented;
}
// Fire given event
fire(event, data, options) {
this.dispatch(event, data, options);
return this;
}
getEventHolder() {
return this;
}
getEventTarget() {
return this;
}
// Unbind event from listener
off(event, listener, options) {
off(this, event, listener, options);
return this;
}
// Bind given event to listener
on(event, listener, binding, options) {
on(this, event, listener, binding, options);
return this;
}
removeEventListener() {}
}
register(EventTarget, 'EventTarget');
function noop() {}
// Default animation values
const timeline = {
duration: 400,
ease: '>',
delay: 0
};
// Default attribute values
const attrs = {
// fill and stroke
'fill-opacity': 1,
'stroke-opacity': 1,
'stroke-width': 0,
'stroke-linejoin': 'miter',
'stroke-linecap': 'butt',
fill: '#000000',
stroke: '#000000',
opacity: 1,
// position
x: 0,
y: 0,
cx: 0,
cy: 0,
// size
width: 0,
height: 0,
// radius
r: 0,
rx: 0,
ry: 0,
// gradient
offset: 0,
'stop-opacity': 1,
'stop-color': '#000000',
// text
'text-anchor': 'start'
};
var defaults = {
__proto__: null,
attrs: attrs,
noop: noop,
timeline: timeline
};
class SVGArray extends Array {
constructor(...args) {
super(...args);
this.init(...args);
}
clone() {
return new this.constructor(this);
}
init(arr) {
// This catches the case, that native map tries to create an array with new Array(1)
if (typeof arr === 'number') return this;
this.length = 0;
this.push(...this.parse(arr));
return this;
}
// Parse whitespace separated string
parse(array = []) {
// If already is an array, no need to parse it
if (array instanceof Array) return array;
return array.trim().split(delimiter).map(parseFloat);
}
toArray() {
return Array.prototype.concat.apply([], this);
}
toSet() {
return new Set(this);
}
toString() {
return this.join(' ');
}
// Flattens the array if needed
valueOf() {
const ret = [];
ret.push(...this);
return ret;
}
}
// Module for unit conversions
class SVGNumber {
// Initialize
constructor(...args) {
this.init(...args);
}
convert(unit) {
return new SVGNumber(this.value, unit);
}
// Divide number
divide(number) {
number = new SVGNumber(number);
return new SVGNumber(this / number, this.unit || number.unit);
}
init(value, unit) {
unit = Array.isArray(value) ? value[1] : unit;
value = Array.isArray(value) ? value[0] : value;
// initialize defaults
this.value = 0;
this.unit = unit || '';
// parse value
if (typeof value === 'number') {
// ensure a valid numeric value
this.value = isNaN(value) ? 0 : !isFinite(value) ? value < 0 ? -3.4e38 : +3.4e38 : value;
} else if (typeof value === 'string') {
unit = value.match(numberAndUnit);
if (unit) {
// make value numeric
this.value = parseFloat(unit[1]);
// normalize
if (unit[5] === '%') {
this.value /= 100;
} else if (unit[5] === 's') {
this.value *= 1000;
}
// store unit
this.unit = unit[5];
}
} else {
if (value instanceof SVGNumber) {
this.value = value.valueOf();
this.unit = value.unit;
}
}
return this;
}
// Subtract number
minus(number) {
number = new SVGNumber(number);
return new SVGNumber(this - number, this.unit || number.unit);
}
// Add number
plus(number) {
number = new SVGNumber(number);
return new SVGNumber(this + number, this.unit || number.unit);
}
// Multiply number
times(number) {
number = new SVGNumber(number);
return new SVGNumber(this * number, this.unit || number.unit);
}
toArray() {
return [this.value, this.unit];
}
toJSON() {
return this.toString();
}
toString() {
return (this.unit === '%' ? ~~(this.value * 1e8) / 1e6 : this.unit === 's' ? this.value / 1e3 : this.value) + this.unit;
}
valueOf() {
return this.value;
}
}
const colorAttributes = new Set(['fill', 'stroke', 'color', 'bgcolor', 'stop-color', 'flood-color', 'lighting-color']);
const hooks = [];
function registerAttrHook(fn) {
hooks.push(fn);
}
// Set svg element attribute
function attr(attr, val, ns) {
// act as full getter
if (attr == null) {
// get an object of attributes
attr = {};
val = this.node.attributes;
for (const node of val) {
attr[node.nodeName] = isNumber.test(node.nodeValue) ? parseFloat(node.nodeValue) : node.nodeValue;
}
return attr;
} else if (attr instanceof Array) {
// loop through array and get all values
return attr.reduce((last, curr) => {
last[curr] = this.attr(curr);
return last;
}, {});
} else if (typeof attr === 'object' && attr.constructor === Object) {
// apply every attribute individually if an object is passed
for (val in attr) this.attr(val, attr[val]);
} else if (val === null) {
// remove value
this.node.removeAttribute(attr);
} else if (val == null) {
// act as a getter if the first and only argument is not an object
val = this.node.getAttribute(attr);
return val == null ? attrs[attr] : isNumber.test(val) ? parseFloat(val) : val;
} else {
// Loop through hooks and execute them to convert value
val = hooks.reduce((_val, hook) => {
return hook(attr, _val, this);
}, val);
// ensure correct numeric values (also accepts NaN and Infinity)
if (typeof val === 'number') {
val = new SVGNumber(val);
} else if (colorAttributes.has(attr) && Color.isColor(val)) {
// ensure full hex color
val = new Color(val);
} else if (val.constructor === Array) {
// Check for plain arrays and parse array values
val = new SVGArray(val);
}
// if the passed attribute is leading...
if (attr === 'leading') {
// ... call the leading method instead
if (this.leading) {
this.leading(val);
}
} else {
// set given attribute on node
typeof ns === 'string' ? this.node.setAttributeNS(ns, attr, val.toString()) : this.node.setAttribute(attr, val.toString());
}
// rebuild if required
if (this.rebuild && (attr === 'font-size' || attr === 'x')) {
this.rebuild();
}
}
return this;
}
class Dom extends EventTarget {
constructor(node, attrs) {
super();
this.node = node;
this.type = node.nodeName;
if (attrs && node !== attrs) {
this.attr(attrs);
}
}
// Add given element at a position
add(element, i) {
element = makeInstance(element);
// If non-root svg nodes are added we have to remove their namespaces
if (element.removeNamespace && this.node instanceof globals.window.SVGElement) {
element.removeNamespace();
}
if (i == null) {
this.node.appendChild(element.node);
} else if (element.node !== this.node.childNodes[i]) {
this.node.insertBefore(element.node, this.node.childNodes[i]);
}
return this;
}
// Add element to given container and return self
addTo(parent, i) {
return makeInstance(parent).put(this, i);
}
// Returns all child elements
children() {
return new List(map(this.node.children, function (node) {
return adopt(node);
}));
}
// Remove all elements in this container
clear() {
// remove children
while (this.node.hasChildNodes()) {
this.node.removeChild(this.node.lastChild);
}
return this;
}
// Clone element
clone(deep = true, assignNewIds = true) {
// write dom data to the dom so the clone can pickup the data
this.writeDataToDom();
// clone element
let nodeClone = this.node.cloneNode(deep);
if (assignNewIds) {
// assign new id
nodeClone = assignNewId(nodeClone);
}
return new this.constructor(nodeClone);
}
// Iterates over all children and invokes a given block
each(block, deep) {
const children = this.children();
let i, il;
for (i = 0, il = children.length; i < il; i++) {
block.apply(children[i], [i, children]);
if (deep) {
children[i].each(block, deep);
}
}
return this;
}
element(nodeName, attrs) {
return this.put(new Dom(create(nodeName), attrs));
}
// Get first child
first() {
return adopt(this.node.firstChild);
}
// Get a element at the given index
get(i) {
return adopt(this.node.childNodes[i]);
}
getEventHolder() {
return this.node;
}
getEventTarget() {
return this.node;
}
// Checks if the given element is a child
has(element) {
return this.index(element) >= 0;
}
html(htmlOrFn, outerHTML) {
return this.xml(htmlOrFn, outerHTML, html);
}
// Get / set id
id(id) {
// generate new id if no id set
if (typeof id === 'undefined' && !this.node.id) {
this.node.id = eid(this.type);
}
// don't set directly with this.node.id to make `null` work correctly
return this.attr('id', id);
}
// Gets index of given element
index(element) {
return [].slice.call(this.node.childNodes).indexOf(element.node);
}
// Get the last child
last() {
return adopt(this.node.lastChild);
}
// matches the element vs a css selector
matches(selector) {
const el = this.node;
const matcher = el.matches || el.matchesSelector || el.msMatchesSelector || el.mozMatchesSelector || el.webkitMatchesSelector || el.oMatchesSelector || null;
return matcher && matcher.call(el, selector);
}
// Returns the parent element instance
parent(type) {
let parent = this;
// check for parent
if (!parent.node.parentNode) return null;
// get parent element
parent = adopt(parent.node.parentNode);
if (!type) return parent;
// loop through ancestors if type is given
do {
if (typeof type === 'string' ? parent.matches(type) : parent instanceof type) return parent;
} while (parent = adopt(parent.node.parentNode));
return parent;
}
// Basically does the same as `add()` but returns the added element instead
put(element, i) {
element = makeInstance(element);
this.add(element, i);
return element;
}
// Add element to given container and return container
putIn(parent, i) {
return makeInstance(parent).add(this, i);
}
// Remove element
remove() {
if (this.parent()) {
this.parent().removeElement(this);
}
return this;
}
// Remove a given child
removeElement(element) {
this.node.removeChild(element.node);
return this;
}
// Replace this with element
replace(element) {
element = makeInstance(element);
if (this.node.parentNode) {
this.node.parentNode.replaceChild(element.node, this.node);
}
return element;
}
round(precision = 2, map = null) {
const factor = 10 ** precision;
const attrs = this.attr(map);
for (const i in attrs) {
if (typeof attrs[i] === 'number') {
attrs[i] = Math.round(attrs[i] * factor) / factor;
}
}
this.attr(attrs);
return this;
}
// Import / Export raw svg
svg(svgOrFn, outerSVG) {
return this.xml(svgOrFn, outerSVG, svg);
}
// Return id on string conversion
toString() {
return this.id();
}
words(text) {
// This is faster than removing all children and adding a new one
this.node.textContent = text;
return this;
}
wrap(node) {
const parent = this.parent();
if (!parent) {
return this.addTo(node);
}
const position = parent.index(this);
return parent.put(node, position).put(this);
}
// write svgjs data to the dom
writeDataToDom() {
// dump variables recursively
this.each(function () {
this.writeDataToDom();
});
return this;
}
// Import / Export raw svg
xml(xmlOrFn, outerXML, ns) {
if (typeof xmlOrFn === 'boolean') {
ns = outerXML;
outerXML = xmlOrFn;
xmlOrFn = null;
}
// act as getter if no svg string is given
if (xmlOrFn == null || typeof xmlOrFn === 'function') {
// The default for exports is, that the outerNode is included
outerXML = outerXML == null ? true : outerXML;
// write svgjs data to the dom
this.writeDataToDom();
let current = this;
// An export modifier was passed
if (xmlOrFn != null) {
current = adopt(current.node.cloneNode(true));
// If the user wants outerHTML we need to process this node, too
if (outerXML) {
const result = xmlOrFn(current);
current = result || current;
// The user does not want this node? Well, then he gets nothing
if (result === false) return '';
}
// Deep loop through all children and apply modifier
current.each(function () {
const result = xmlOrFn(this);
const _this = result || this;
// If modifier returns false, discard node
if (result === false) {
this.remove();
// If modifier returns new node, use it
} else if (result && this !== _this) {
this.replace(_this);
}
}, true);
}
// Return outer or inner content
return outerXML ? current.node.outerHTML : current.node.innerHTML;
}
// Act as setter if we got a string
// The default for import is, that the current node is not replaced
outerXML = outerXML == null ? false : outerXML;
// Create temporary holder
const well = create('wrapper', ns);
const fragment = globals.document.createDocumentFragment();
// Dump raw svg
well.innerHTML = xmlOrFn;
// Transplant nodes into the fragment
for (let len = well.children.length; len--;) {
fragment.appendChild(well.firstElementChild);
}
const parent = this.parent();
// Add the whole fragment at once
return outerXML ? this.replace(fragment) && parent : this.add(fragment);
}
}
extend(Dom, {
attr,
find,
findOne
});
register(Dom, 'Dom');
class Element extends Dom {
constructor(node, attrs) {
super(node, attrs);
// initialize data object
this.dom = {};
// create circular reference
this.node.instance = this;
if (node.hasAttribute('data-svgjs') || node.hasAttribute('svgjs:data')) {
// pull svgjs data from the dom (getAttributeNS doesn't work in html5)
this.setData(JSON.parse(node.getAttribute('data-svgjs')) ?? JSON.parse(node.getAttribute('svgjs:data')) ?? {});
}
}
// Move element by its center
center(x, y) {
return this.cx(x).cy(y);
}
// Move by center over x-axis
cx(x) {
return x == null ? this.x() + this.width() / 2 : this.x(x - this.width() / 2);
}
// Move by center over y-axis
cy(y) {
return y == null ? this.y() + this.height() / 2 : this.y(y - this.height() / 2);
}
// Get defs
defs() {
const root = this.root();
return root && root.defs();
}
// Relative move over x and y axes
dmove(x, y) {
return this.dx(x).dy(y);
}
// Relative move over x axis
dx(x = 0) {
return this.x(new SVGNumber(x).plus(this.x()));
}
// Relative move over y axis
dy(y = 0) {
return this.y(new SVGNumber(y).plus(this.y()));
}
getEventHolder() {
return this;
}
// Set height of element
height(height) {
return this.attr('height', height);
}
// Move element to given x and y values
move(x, y) {
return this.x(x).y(y);
}
// return array of all ancestors of given type up to the root svg
parents(until = this.root()) {
const isSelector = typeof until === 'string';
if (!isSelector) {
until = makeInstance(until);
}
const parents = new List();
let parent = this;
while ((parent = parent.parent()) && parent.node !== globals.document && parent.nodeName !== '#document-fragment') {
parents.push(parent);
if (!isSelector && parent.node === until.node) {
break;
}
if (isSelector && parent.matches(until)) {
break;
}
if (parent.node === this.root().node) {
// We worked our way to the root and didn't match `until`
return null;
}
}
return parents;
}
// Get referenced element form attribute value
reference(attr) {
attr = this.attr(attr);
if (!attr) return null;
const m = (attr + '').match(reference);
return m ? makeInstance(m[1]) : null;
}
// Get parent document
root() {
const p = this.parent(getClass(root));
return p && p.root();
}
// set given data to the elements data property
setData(o) {
this.dom = o;
return this;
}
// Set element size to given width and height
size(width, height) {
const p = proportionalSize(this, width, height);
return this.width(new SVGNumber(p.width)).height(new SVGNumber(p.height));
}
// Set width of element
width(width) {
return this.attr('width', width);
}
// write svgjs data to the dom
writeDataToDom() {
writeDataToDom(this, this.dom);
return super.writeDataToDom();
}
// Move over x-axis
x(x) {
return this.attr('x', x);
}
// Move over y-axis
y(y) {
return this.attr('y', y);
}
}
extend(Element, {
bbox,
rbox,
inside,
point,
ctm,
screenCTM
});
register(Element, 'Element');
// Define list of available attributes for stroke and fill
const sugar = {
stroke: ['color', 'width', 'opacity', 'linecap', 'linejoin', 'miterlimit', 'dasharray', 'dashoffset'],
fill: ['color', 'opacity', 'rule'],
prefix: function (t, a) {
return a === 'color' ? t : t + '-' + a;
}
}
// Add sugar for fill and stroke
;
['fill', 'stroke'].forEach(function (m) {
const extension = {};
let i;
extension[m] = function (o) {
if (typeof o === 'undefined') {
return this.attr(m);
}
if (typeof o === 'string' || o instanceof Color || Color.isRgb(o) || o instanceof Element) {
this.attr(m, o);
} else {
// set all attributes from sugar.fill and sugar.stroke list
for (i = sugar[m].length - 1; i >= 0; i--) {
if (o[sugar[m][i]] != null) {
this.attr(sugar.prefix(m, sugar[m][i]), o[sugar[m][i]]);
}
}
}
return this;
};
registerMethods(['Element', 'Runner'], extension);
});
registerMethods(['Element', 'Runner'], {
// Let the user set the matrix directly
matrix: function (mat, b, c, d, e, f) {
// Act as a getter
if (mat == null) {
return new Matrix(this);
}
// Act as a setter, the user can pass a matrix or a set of numbers
return this.attr('transform', new Matrix(mat, b, c, d, e, f));
},
// Map rotation to transform
rotate: function (angle, cx, cy) {
return this.transform({
rotate: angle,
ox: cx,
oy: cy
}, true);
},
// Map skew to transform
skew: function (x, y, cx, cy) {
return arguments.length === 1 || arguments.length === 3 ? this.transform({
skew: x,
ox: y,
oy: cx
}, true) : this.transform({
skew: [x, y],
ox: cx,
oy: cy
}, true);
},
shear: function (lam, cx, cy) {
return this.transform({
shear: lam,
ox: cx,
oy: cy
}, true);
},
// Map scale to transform
scale: function (x, y, cx, cy) {
return arguments.length === 1 || arguments.length === 3 ? this.transform({
scale: x,
ox: y,
oy: cx
}, true) : this.transform({
scale: [x, y],
ox: cx,
oy: cy
}, true);
},
// Map translate to transform
translate: function (x, y) {
return this.transform({
translate: [x, y]
}, true);
},
// Map relative translations to transform
relative: function (x, y) {
return this.transform({
relative: [x, y]
}, true);
},
// Map flip to transform
flip: function (direction = 'both', origin = 'center') {
if ('xybothtrue'.indexOf(direction) === -1) {
origin = direction;
direction = 'both';
}
return this.transform({
flip: direction,
origin: origin
}, true);
},
// Opacity
opacity: function (value) {
return this.attr('opacity', value);
}
});
registerMethods('radius', {
// Add x and y radius
radius: function (x, y = x) {
const type = (this._element || this).type;
return type === 'radialGradient' ? this.attr('r', new SVGNumber(x)) : this.rx(x).ry(y);
}
});
registerMethods('Path', {
// Get path length
length: function () {
return this.node.getTotalLength();
},
// Get point at length
pointAt: function (length) {
return new Point(this.node.getPointAtLength(length));
}
});
registerMethods(['Element', 'Runner'], {
// Set font
font: function (a, v) {
if (typeof a === 'object') {
for (v in a) this.font(v, a[v]);
return this;
}
return a === 'leading' ? this.leading(v) : a === 'anchor' ? this.attr('text-anchor', v) : a === 'size' || a === 'family' || a === 'weight' || a === 'stretch' || a === 'variant' || a === 'style' ? this.attr('font-' + a, v) : this.attr(a, v);
}
});
// Add events to elements
const methods = ['click', 'dblclick', 'mousedown', 'mouseup', 'mouseover', 'mouseout', 'mousemove', 'mouseenter', 'mouseleave', 'touchstart', 'touchmove', 'touchleave', 'touchend', 'touchcancel', 'contextmenu', 'wheel', 'pointerdown', 'pointermove', 'pointerup', 'pointerleave', 'pointercancel'].reduce(function (last, event) {
// add event to Element
const fn = function (f) {
if (f === null) {
this.off(event);
} else {
this.on(event, f);
}
return this;
};
last[event] = fn;
return last;
}, {});
registerMethods('Element', methods);
// Reset all transformations
function untransform() {
return this.attr('transform', null);
}
// merge the whole transformation chain into one matrix and returns it
function matrixify() {
const matrix = (this.attr('transform') || ''
// split transformations
).split(transforms).slice(0, -1).map(function (str) {
// generate key => value pairs
const kv = str.trim().split('(');
return [kv[0], kv[1].split(delimiter).map(function (str) {
return parseFloat(str);
})];
}).reverse()
// merge every transformation into one matrix
.reduce(function (matrix, transform) {
if (transform[0] === 'matrix') {
return matrix.lmultiply(Matrix.fromArray(transform[1]));
}
return matrix[transform[0]].apply(matrix, transform[1]);
}, new Matrix());
return matrix;
}
// add an element to another parent without changing the visual representation on the screen
function toParent(parent, i) {
if (this === parent) return this;
if (isDescriptive(this.node)) return this.addTo(parent, i);
const ctm = this.screenCTM();
const pCtm = parent.screenCTM().inverse();
this.addTo(parent, i).untransform().transform(pCtm.multiply(ctm));
return this;
}
// same as above with parent equals root-svg
function toRoot(i) {
return this.toParent(this.root(), i);
}
// Add transformations
function transform(o, relative) {
// Act as a getter if no object was passed
if (o == null || typeof o === 'string') {
const decomposed = new Matrix(this).decompose();
return o == null ? decomposed : decomposed[o];
}
if (!Matrix.isMatrixLike(o)) {
// Set the origin according to the defined transform
o = {
...o,
origin: getOrigin(o, this)
};
}
// The user can pass a boolean, an Element or an Matrix or nothing
const cleanRelative = relative === true ? this : relative || false;
const result = new Matrix(cleanRelative).transform(o);
return this.attr('transform', result);
}
registerMethods('Element', {
untransform,
matrixify,
toParent,
toRoot,
transform
});
class Container extends Element {
flatten() {
this.each(function () {
if (this instanceof Container) {
return this.flatten().ungroup();
}
});
return this;
}
ungroup(parent = this.parent(), index = parent.index(this)) {
// when parent != this, we want append all elements to the end
index = index === -1 ? parent.children().length : index;
this.each(function (i, children) {
// reverse each
return children[children.length - i - 1].toParent(parent, index);
});
return this.remove();
}
}
register(Container, 'Container');
class Defs extends Container {
constructor(node, attrs = node) {
super(nodeOrNew('defs', node), attrs);
}
flatten() {
return this;
}
ungroup() {
return this;
}
}
register(Defs, 'Defs');
class Shape extends Element {}
register(Shape, 'Shape');
// Radius x value
function rx(rx) {
return this.attr('rx', rx);
}
// Radius y value
function ry(ry) {
return this.attr('ry', ry);
}
// Move over x-axis
function x$3(x) {
return x == null ? this.cx() - this.rx() : this.cx(x + this.rx());
}
// Move over y-axis
function y$3(y) {
return y == null ? this.cy() - this.ry() : this.cy(y + this.ry());
}
// Move by center over x-axis
function cx$1(x) {
return this.attr('cx', x);
}
// Move by center over y-axis
function cy$1(y) {
return this.attr('cy', y);
}
// Set width of element
function width$2(width) {
return width == null ? this.rx() * 2 : this.rx(new SVGNumber(width).divide(2));
}
// Set height of element
function height$2(height) {
return height == null ? this.ry() * 2 : this.ry(new SVGNumber(height).divide(2));
}
var circled = {
__proto__: null,
cx: cx$1,
cy: cy$1,
height: height$2,
rx: rx,
ry: ry,
width: width$2,
x: x$3,
y: y$3
};
class Ellipse extends Shape {
constructor(node, attrs = node) {
super(nodeOrNew('ellipse', node), attrs);
}
size(width, height) {
const p = proportionalSize(this, width, height);
return this.rx(new SVGNumber(p.width).divide(2)).ry(new SVGNumber(p.height).divide(2));
}
}
extend(Ellipse, circled);
registerMethods('Container', {
// Create an ellipse
ellipse: wrapWithAttrCheck(function (width = 0, height = width) {
return this.put(new Ellipse()).size(width, height).move(0, 0);
})
});
register(Ellipse, 'Ellipse');
class Fragment extends Dom {
constructor(node = globals.document.createDocumentFragment()) {
super(node);
}
// Import / Export raw xml
xml(xmlOrFn, outerXML, ns) {
if (typeof xmlOrFn === 'boolean') {
ns = outerXML;
outerXML = xmlOrFn;
xmlOrFn = null;
}
// because this is a fragment we have to put all elements into a wrapper first
// before we can get the innerXML from it
if (xmlOrFn == null || typeof xmlOrFn === 'function') {
const wrapper = new Dom(create('wrapper', ns));
wrapper.add(this.node.cloneNode(true));
return wrapper.xml(false, ns);
}
// Act as setter if we got a string
return super.xml(xmlOrFn, false, ns);
}
}
register(Fragment, 'Fragment');
function from(x, y) {
return (this._element || this).type === 'radialGradient' ? this.attr({
fx: new SVGNumber(x),
fy: new SVGNumber(y)
}) : this.attr({
x1: new SVGNumber(x),
y1: new SVGNumber(y)
});
}
function to(x, y) {
return (this._element || this).type === 'radialGradient' ? this.attr({
cx: new SVGNumber(x),
cy: new SVGNumber(y)
}) : this.attr({
x2: new SVGNumber(x),
y2: new SVGNumber(y)
});
}
var gradiented = {
__proto__: null,
from: from,
to: to
};
class Gradient extends Container {
constructor(type, attrs) {
super(nodeOrNew(type + 'Gradient', typeof type === 'string' ? null : type), attrs);
}
// custom attr to handle transform
attr(a, b, c) {
if (a === 'transform') a = 'gradientTransform';
return super.attr(a, b, c);
}
bbox() {
return new Box();
}
targets() {
return baseFind('svg [fill*=' + this.id() + ']');
}
// Alias string conversion to fill
toString() {
return this.url();
}
// Update gradient
update(block) {
// remove all stops
this.clear();
// invoke passed block
if (typeof block === 'function') {
block.call(this, this);
}
return this;
}
// Return the fill id
url() {
return 'url(#' + this.id() + ')';
}
}
extend(Gradient, gradiented);
registerMethods({
Container: {
// Create gradient element in defs
gradient(...args) {
return this.defs().gradient(...args);
}
},
// define gradient
Defs: {
gradient: wrapWithAttrCheck(function (type, block) {
return this.put(new Gradient(type)).update(block);
})
}
});
register(Gradient, 'Gradient');
class Pattern extends Container {
// Initialize node
constructor(node, attrs = node) {
super(nodeOrNew('pattern', node), attrs);
}
// custom attr to handle transform
attr(a, b, c) {
if (a === 'transform') a = 'patternTransform';
return super.attr(a, b, c);
}
bbox() {
return new Box();
}
targets() {
return baseFind('svg [fill*=' + this.id() + ']');
}
// Alias string conversion to fill
toString() {
return this.url();
}
// Update pattern by rebuilding
update(block) {
// remove content
this.clear();
// invoke passed block
if (typeof block === 'function') {
block.call(this, this);
}
return this;
}
// Return the fill id
url() {
return 'url(#' + this.id() + ')';
}
}
registerMethods({
Container: {
// Create pattern element in defs
pattern(...args) {
return this.defs().pattern(...args);
}
},
Defs: {
pattern: wrapWithAttrCheck(function (width, height, block) {
return this.put(new Pattern()).update(block).attr({
x: 0,
y: 0,
width: width,
height: height,
patternUnits: 'userSpaceOnUse'
});
})
}
});
register(Pattern, 'Pattern');
class Image extends Shape {
constructor(node, attrs = node) {
super(nodeOrNew('image', node), attrs);
}
// (re)load image
load(url, callback) {
if (!url) return this;
const img = new globals.window.Image();
on(img, 'load', function (e) {
const p = this.parent(Pattern);
// ensure image size
if (this.width() === 0 && this.height() === 0) {
this.size(img.width, img.height);
}
if (p instanceof Pattern) {
// ensure pattern size if not set
if (p.width() === 0 && p.height() === 0) {
p.size(this.width(), this.height());
}
}
if (typeof callback === 'function') {
callback.call(this, e);
}
}, this);
on(img, 'load error', function () {
// dont forget to unbind memory leaking events
off(img);
});
return this.attr('href', img.src = url, xlink);
}
}
registerAttrHook(function (attr, val, _this) {
// convert image fill and stroke to patterns
if (attr === 'fill' || attr === 'stroke') {
if (isImage.test(val)) {
val = _this.root().defs().image(val);
}
}
if (val instanceof Image) {
val = _this.root().defs().pattern(0, 0, pattern => {
pattern.add(val);
});
}
return val;
});
registerMethods({
Container: {
// create image element, load image and set its size
image: wrapWithAttrCheck(function (source, callback) {
return this.put(new Image()).size(0, 0).load(source, callback);
})
}
});
register(Image, 'Image');
class PointArray extends SVGArray {
// Get bounding box of points
bbox() {
let maxX = -Infinity;
let maxY = -Infinity;
let minX = Infinity;
let minY = Infinity;
this.forEach(function (el) {
maxX = Math.max(el[0], maxX);
maxY = Math.max(el[1], maxY);
minX = Math.min(el[0], minX);
minY = Math.min(el[1], minY);
});
return new Box(minX, minY, maxX - minX, maxY - minY);
}
// Move point string
move(x, y) {
const box = this.bbox();
// get relative offset
x -= box.x;
y -= box.y;
// move every point
if (!isNaN(x) && !isNaN(y)) {
for (let i = this.length - 1; i >= 0; i--) {
this[i] = [this[i][0] + x, this[i][1] + y];
}
}
return this;
}
// Parse point string and flat array
parse(array = [0, 0]) {
const points = [];
// if it is an array, we flatten it and therefore clone it to 1 depths
if (array instanceof Array) {
array = Array.prototype.concat.apply([], array);
} else {
// Else, it is considered as a string
// parse points
array = array.trim().split(delimiter).map(parseFloat);
}
// validate points - https://svgwg.org/svg2-draft/shapes.html#DataTypePoints
// Odd number of coordinates is an error. In such cases, drop the last odd coordinate.
if (array.length % 2 !== 0) array.pop();
// wrap points in two-tuples
for (let i = 0, len = array.length; i < len; i = i + 2) {
points.push([array[i], array[i + 1]]);
}
return points;
}
// Resize poly string
size(width, height) {
let i;
const box = this.bbox();
// recalculate position of all points according to new size
for (i = this.length - 1; i >= 0; i--) {
if (box.width) this[i][0] = (this[i][0] - box.x) * width / box.width + box.x;
if (box.height) this[i][1] = (this[i][1] - box.y) * height / box.height + box.y;
}
return this;
}
// Convert array to line object
toLine() {
return {
x1: this[0][0],
y1: this[0][1],
x2: this[1][0],
y2: this[1][1]
};
}
// Convert array to string
toString() {
const array = [];
// convert to a poly point string
for (let i = 0, il = this.length; i < il; i++) {
array.push(this[i].join(','));
}
return array.join(' ');
}
transform(m) {
return this.clone().transformO(m);
}
// transform points with matrix (similar to Point.transform)
transformO(m) {
if (!Matrix.isMatrixLike(m)) {
m = new Matrix(m);
}
for (let i = this.length; i--;) {
// Perform the matrix multiplication
const [x, y] = this[i];
this[i][0] = m.a * x + m.c * y + m.e;
this[i][1] = m.b * x + m.d * y + m.f;
}
return this;
}
}
const MorphArray = PointArray;
// Move by left top corner over x-axis
function x$2(x) {
return x == null ? this.bbox().x : this.move(x, this.bbox().y);
}
// Move by left top corner over y-axis
function y$2(y) {
return y == null ? this.bbox().y : this.move(this.bbox().x, y);
}
// Set width of element
function width$1(width) {
const b = this.bbox();
return width == null ? b.width : this.size(width, b.height);
}
// Set height of element
function height$1(height) {
const b = this.bbox();
return height == null ? b.height : this.size(b.width, height);
}
var pointed = {
__proto__: null,
MorphArray: MorphArray,
height: height$1,
width: width$1,
x: x$2,
y: y$2
};
class Line extends Shape {
// Initialize node
constructor(node, attrs = node) {
super(nodeOrNew('line', node), attrs);
}
// Get array
array() {
return new PointArray([[this.attr('x1'), this.attr('y1')], [this.attr('x2'), this.attr('y2')]]);
}
// Move by left top corner
move(x, y) {
return this.attr(this.array().move(x, y).toLine());
}
// Overwrite native plot() method
plot(x1, y1, x2, y2) {
if (x1 == null) {
return this.array();
} else if (typeof y1 !== 'undefined') {
x1 = {
x1,
y1,
x2,
y2
};
} else {
x1 = new PointArray(x1).toLine();
}
return this.attr(x1);
}
// Set element size to given width and height
size(width, height) {
const p = proportionalSize(this, width, height);
return this.attr(this.array().size(p.width, p.height).toLine());
}
}
extend(Line, pointed);
registerMethods({
Container: {
// Create a line element
line: wrapWithAttrCheck(function (...args) {
// make sure plot is called as a setter
// x1 is not necessarily a number, it can also be an array, a string and a PointArray
return Line.prototype.plot.apply(this.put(new Line()), args[0] != null ? args : [0, 0, 0, 0]);
})
}
});
register(Line, 'Line');
class Marker extends Container {
// Initialize node
constructor(node, attrs = node) {
super(nodeOrNew('marker', node), attrs);
}
// Set height of element
height(height) {
return this.attr('markerHeight', height);
}
orient(orient) {
return this.attr('orient', orient);
}
// Set marker refX and refY
ref(x, y) {
return this.attr('refX', x).attr('refY', y);
}
// Return the fill id
toString() {
return 'url(#' + this.id() + ')';
}
// Update marker
update(block) {
// remove all content
this.clear();
// invoke passed block
if (typeof block === 'function') {
block.call(this, this);
}
return this;
}
// Set width of element
width(width) {
return this.attr('markerWidth', width);
}
}
registerMethods({
Container: {
marker(...args) {
// Create marker element in defs
return this.defs().marker(...args);
}
},
Defs: {
// Create marker
marker: wrapWithAttrCheck(function (width, height, block) {
// Set default viewbox to match the width and height, set ref to cx and cy and set orient to auto
return this.put(new Marker()).size(width, height).ref(width / 2, height / 2).viewbox(0, 0, width, height).attr('orient', 'auto').update(block);
})
},
marker: {
// Create and attach markers
marker(marker, width, height, block) {
let attr = ['marker'];
// Build attribute name
if (marker !== 'all') attr.push(marker);
attr = attr.join('-');
// Set marker attribute
marker = arguments[1] instanceof Marker ? arguments[1] : this.defs().marker(width, height, block);
return this.attr(attr, marker);
}
}
});
register(Marker, 'Marker');
/***
Base Class
==========
The base stepper class that will be
***/
function makeSetterGetter(k, f) {
return function (v) {
if (v == null) return this[k];
this[k] = v;
if (f) f.call(this);
return this;
};
}
const easing = {
'-': function (pos) {
return pos;
},
'<>': function (pos) {
return -Math.cos(pos * Math.PI) / 2 + 0.5;
},
'>': function (pos) {
return Math.sin(pos * Math.PI / 2);
},
'<': function (pos) {
return -Math.cos(pos * Math.PI / 2) + 1;
},
bezier: function (x1, y1, x2, y2) {
// see https://www.w3.org/TR/css-easing-1/#cubic-bezier-algo
return function (t) {
if (t < 0) {
if (x1 > 0) {
return y1 / x1 * t;
} else if (x2 > 0) {
return y2 / x2 * t;
} else {
return 0;
}
} else if (t > 1) {
if (x2 < 1) {
return (1 - y2) / (1 - x2) * t + (y2 - x2) / (1 - x2);
} else if (x1 < 1) {
return (1 - y1) / (1 - x1) * t + (y1 - x1) / (1 - x1);
} else {
return 1;
}
} else {
return 3 * t * (1 - t) ** 2 * y1 + 3 * t ** 2 * (1 - t) * y2 + t ** 3;
}
};
},
// see https://www.w3.org/TR/css-easing-1/#step-timing-function-algo
steps: function (steps, stepPosition = 'end') {
// deal with "jump-" prefix
stepPosition = stepPosition.split('-').reverse()[0];
let jumps = steps;
if (stepPosition === 'none') {
--jumps;
} else if (stepPosition === 'both') {
++jumps;
}
// The beforeFlag is essentially useless
return (t, beforeFlag = false) => {
// Step is called currentStep in referenced url
let step = Math.floor(t * steps);
const jumping = t * step % 1 === 0;
if (stepPosition === 'start' || stepPosition === 'both') {
++step;
}
if (beforeFlag && jumping) {
--step;
}
if (t >= 0 && step < 0) {
step = 0;
}
if (t <= 1 && step > jumps) {
step = jumps;
}
return step / jumps;
};
}
};
class Stepper {
done() {
return false;
}
}
/***
Easing Functions
================
***/
class Ease extends Stepper {
constructor(fn = timeline.ease) {
super();
this.ease = easing[fn] || fn;
}
step(from, to, pos) {
if (typeof from !== 'number') {
return pos < 1 ? from : to;
}
return from + (to - from) * this.ease(pos);
}
}
/***
Controller Types
================
***/
class Controller extends Stepper {
constructor(fn) {
super();
this.stepper = fn;
}
done(c) {
return c.done;
}
step(current, target, dt, c) {
return this.stepper(current, target, dt, c);
}
}
function recalculate() {
// Apply the default parameters
const duration = (this._duration || 500) / 1000;
const overshoot = this._overshoot || 0;
// Calculate the PID natural response
const eps = 1e-10;
const pi = Math.PI;
const os = Math.log(overshoot / 100 + eps);
const zeta = -os / Math.sqrt(pi * pi + os * os);
const wn = 3.9 / (zeta * duration);
// Calculate the Spring values
this.d = 2 * zeta * wn;
this.k = wn * wn;
}
class Spring extends Controller {
constructor(duration = 500, overshoot = 0) {
super();
this.duration(duration).overshoot(overshoot);
}
step(current, target, dt, c) {
if (typeof current === 'string') return current;
c.done = dt === Infinity;
if (dt === Infinity) return target;
if (dt === 0) return current;
if (dt > 100) dt = 16;
dt /= 1000;
// Get the previous velocity
const velocity = c.velocity || 0;
// Apply the control to get the new position and store it
const acceleration = -this.d * velocity - this.k * (current - target);
const newPosition = current + velocity * dt + acceleration * dt * dt / 2;
// Store the velocity
c.velocity = velocity + acceleration * dt;
// Figure out if we have converged, and if so, pass the value
c.done = Math.abs(target - newPosition) + Math.abs(velocity) < 0.002;
return c.done ? target : newPosition;
}
}
extend(Spring, {
duration: makeSetterGetter('_duration', recalculate),
overshoot: makeSetterGetter('_overshoot', recalculate)
});
class PID extends Controller {
constructor(p = 0.1, i = 0.01, d = 0, windup = 1000) {
super();
this.p(p).i(i).d(d).windup(windup);
}
step(current, target, dt, c) {
if (typeof current === 'string') return current;
c.done = dt === Infinity;
if (dt === Infinity) return target;
if (dt === 0) return current;
const p = target - current;
let i = (c.integral || 0) + p * dt;
const d = (p - (c.error || 0)) / dt;
const windup = this._windup;
// antiwindup
if (windup !== false) {
i = Math.max(-windup, Math.min(i, windup));
}
c.error = p;
c.integral = i;
c.done = Math.abs(p) < 0.001;
return c.done ? target : current + (this.P * p + this.I * i + this.D * d);
}
}
extend(PID, {
windup: makeSetterGetter('_windup'),
p: makeSetterGetter('P'),
i: makeSetterGetter('I'),
d: makeSetterGetter('D')
});
const segmentParameters = {
M: 2,
L: 2,
H: 1,
V: 1,
C: 6,
S: 4,
Q: 4,
T: 2,
A: 7,
Z: 0
};
const pathHandlers = {
M: function (c, p, p0) {
p.x = p0.x = c[0];
p.y = p0.y = c[1];
return ['M', p.x, p.y];
},
L: function (c, p) {
p.x = c[0];
p.y = c[1];
return ['L', c[0], c[1]];
},
H: function (c, p) {
p.x = c[0];
return ['H', c[0]];
},
V: function (c, p) {
p.y = c[0];
return ['V', c[0]];
},
C: function (c, p) {
p.x = c[4];
p.y = c[5];
return ['C', c[0], c[1], c[2], c[3], c[4], c[5]];
},
S: function (c, p) {
p.x = c[2];
p.y = c[3];
return ['S', c[0], c[1], c[2], c[3]];
},
Q: function (c, p) {
p.x = c[2];
p.y = c[3];
return ['Q', c[0], c[1], c[2], c[3]];
},
T: function (c, p) {
p.x = c[0];
p.y = c[1];
return ['T', c[0], c[1]];
},
Z: function (c, p, p0) {
p.x = p0.x;
p.y = p0.y;
return ['Z'];
},
A: function (c, p) {
p.x = c[5];
p.y = c[6];
return ['A', c[0], c[1], c[2], c[3], c[4], c[5], c[6]];
}
};
const mlhvqtcsaz = 'mlhvqtcsaz'.split('');
for (let i = 0, il = mlhvqtcsaz.length; i < il; ++i) {
pathHandlers[mlhvqtcsaz[i]] = function (i) {
return function (c, p, p0) {
if (i === 'H') c[0] = c[0] + p.x;else if (i === 'V') c[0] = c[0] + p.y;else if (i === 'A') {
c[5] = c[5] + p.x;
c[6] = c[6] + p.y;
} else {
for (let j = 0, jl = c.length; j < jl; ++j) {
c[j] = c[j] + (j % 2 ? p.y : p.x);
}
}
return pathHandlers[i](c, p, p0);
};
}(mlhvqtcsaz[i].toUpperCase());
}
function makeAbsolut(parser) {
const command = parser.segment[0];
return pathHandlers[command](parser.segment.slice(1), parser.p, parser.p0);
}
function segmentComplete(parser) {
return parser.segment.length && parser.segment.length - 1 === segmentParameters[parser.segment[0].toUpperCase()];
}
function startNewSegment(parser, token) {
parser.inNumber && finalizeNumber(parser, false);
const pathLetter = isPathLetter.test(token);
if (pathLetter) {
parser.segment = [token];
} else {
const lastCommand = parser.lastCommand;
const small = lastCommand.toLowerCase();
const isSmall = lastCommand === small;
parser.segment = [small === 'm' ? isSmall ? 'l' : 'L' : lastCommand];
}
parser.inSegment = true;
parser.lastCommand = parser.segment[0];
return pathLetter;
}
function finalizeNumber(parser, inNumber) {
if (!parser.inNumber) throw new Error('Parser Error');
parser.number && parser.segment.push(parseFloat(parser.number));
parser.inNumber = inNumber;
parser.number = '';
parser.pointSeen = false;
parser.hasExponent = false;
if (segmentComplete(parser)) {
finalizeSegment(parser);
}
}
function finalizeSegment(parser) {
parser.inSegment = false;
if (parser.absolute) {
parser.segment = makeAbsolut(parser);
}
parser.segments.push(parser.segment);
}
function isArcFlag(parser) {
if (!parser.segment.length) return false;
const isArc = parser.segment[0].toUpperCase() === 'A';
const length = parser.segment.length;
return isArc && (length === 4 || length === 5);
}
function isExponential(parser) {
return parser.lastToken.toUpperCase() === 'E';
}
const pathDelimiters = new Set([' ', ',', '\t', '\n', '\r', '\f']);
function pathParser(d, toAbsolute = true) {
let index = 0;
let token = '';
const parser = {
segment: [],
inNumber: false,
number: '',
lastToken: '',
inSegment: false,
segments: [],
pointSeen: false,
hasExponent: false,
absolute: toAbsolute,
p0: new Point(),
p: new Point()
};
while (parser.lastToken = token, token = d.charAt(index++)) {
if (!parser.inSegment) {
if (startNewSegment(parser, token)) {
continue;
}
}
if (token === '.') {
if (parser.pointSeen || parser.hasExponent) {
finalizeNumber(parser, false);
--index;
continue;
}
parser.inNumber = true;
parser.pointSeen = true;
parser.number += token;
continue;
}
if (!isNaN(parseInt(token))) {
if (parser.number === '0' || isArcFlag(parser)) {
parser.inNumber = true;
parser.number = token;
finalizeNumber(parser, true);
continue;
}
parser.inNumber = true;
parser.number += token;
continue;
}
if (pathDelimiters.has(token)) {
if (parser.inNumber) {
finalizeNumber(parser, false);
}
continue;
}
if (token === '-' || token === '+') {
if (parser.inNumber && !isExponential(parser)) {
finalizeNumber(parser, false);
--index;
continue;
}
parser.number += token;
parser.inNumber = true;
continue;
}
if (token.toUpperCase() === 'E') {
parser.number += token;
parser.hasExponent = true;
continue;
}
if (isPathLetter.test(token)) {
if (parser.inNumber) {
finalizeNumber(parser, false);
} else if (!segmentComplete(parser)) {
throw new Error('parser Error');
} else {
finalizeSegment(parser);
}
--index;
}
}
if (parser.inNumber) {
finalizeNumber(parser, false);
}
if (parser.inSegment && segmentComplete(parser)) {
finalizeSegment(parser);
}
return parser.segments;
}
function arrayToString(a) {
let s = '';
for (let i = 0, il = a.length; i < il; i++) {
s += a[i][0];
if (a[i][1] != null) {
s += a[i][1];
if (a[i][2] != null) {
s += ' ';
s += a[i][2];
if (a[i][3] != null) {
s += ' ';
s += a[i][3];
s += ' ';
s += a[i][4];
if (a[i][5] != null) {
s += ' ';
s += a[i][5];
s += ' ';
s += a[i][6];
if (a[i][7] != null) {
s += ' ';
s += a[i][7];
}
}
}
}
}
}
return s + ' ';
}
class PathArray extends SVGArray {
// Get bounding box of path
bbox() {
parser().path.setAttribute('d', this.toString());
return new Box(parser.nodes.path.getBBox());
}
// Move path string
move(x, y) {
// get bounding box of current situation
const box = this.bbox();
// get relative offset
x -= box.x;
y -= box.y;
if (!isNaN(x) && !isNaN(y)) {
// move every point
for (let l, i = this.length - 1; i >= 0; i--) {
l = this[i][0];
if (l === 'M' || l === 'L' || l === 'T') {
this[i][1] += x;
this[i][2] += y;
} else if (l === 'H') {
this[i][1] += x;
} else if (l === 'V') {
this[i][1] += y;
} else if (l === 'C' || l === 'S' || l === 'Q') {
this[i][1] += x;
this[i][2] += y;
this[i][3] += x;
this[i][4] += y;
if (l === 'C') {
this[i][5] += x;
this[i][6] += y;
}
} else if (l === 'A') {
this[i][6] += x;
this[i][7] += y;
}
}
}
return this;
}
// Absolutize and parse path to array
parse(d = 'M0 0') {
if (Array.isArray(d)) {
d = Array.prototype.concat.apply([], d).toString();
}
return pathParser(d);
}
// Resize path string
size(width, height) {
// get bounding box of current situation
const box = this.bbox();
let i, l;
// If the box width or height is 0 then we ignore
// transformations on the respective axis
box.width = box.width === 0 ? 1 : box.width;
box.height = box.height === 0 ? 1 : box.height;
// recalculate position of all points according to new size
for (i = this.length - 1; i >= 0; i--) {
l = this[i][0];
if (l === 'M' || l === 'L' || l === 'T') {
this[i][1] = (this[i][1] - box.x) * width / box.width + box.x;
this[i][2] = (this[i][2] - box.y) * height / box.height + box.y;
} else if (l === 'H') {
this[i][1] = (this[i][1] - box.x) * width / box.width + box.x;
} else if (l === 'V') {
this[i][1] = (this[i][1] - box.y) * height / box.height + box.y;
} else if (l === 'C' || l === 'S' || l === 'Q') {
this[i][1] = (this[i][1] - box.x) * width / box.width + box.x;
this[i][2] = (this[i][2] - box.y) * height / box.height + box.y;
this[i][3] = (this[i][3] - box.x) * width / box.width + box.x;
this[i][4] = (this[i][4] - box.y) * height / box.height + box.y;
if (l === 'C') {
this[i][5] = (this[i][5] - box.x) * width / box.width + box.x;
this[i][6] = (this[i][6] - box.y) * height / box.height + box.y;
}
} else if (l === 'A') {
// resize radii
this[i][1] = this[i][1] * width / box.width;
this[i][2] = this[i][2] * height / box.height;
// move position values
this[i][6] = (this[i][6] - box.x) * width / box.width + box.x;
this[i][7] = (this[i][7] - box.y) * height / box.height + box.y;
}
}
return this;
}
// Convert array to string
toString() {
return arrayToString(this);
}
}
const getClassForType = value => {
const type = typeof value;
if (type === 'number') {
return SVGNumber;
} else if (type === 'string') {
if (Color.isColor(value)) {
return Color;
} else if (delimiter.test(value)) {
return isPathLetter.test(value) ? PathArray : SVGArray;
} else if (numberAndUnit.test(value)) {
return SVGNumber;
} else {
return NonMorphable;
}
} else if (morphableTypes.indexOf(value.constructor) > -1) {
return value.constructor;
} else if (Array.isArray(value)) {
return SVGArray;
} else if (type === 'object') {
return ObjectBag;
} else {
return NonMorphable;
}
};
class Morphable {
constructor(stepper) {
this._stepper = stepper || new Ease('-');
this._from = null;
this._to = null;
this._type = null;
this._context = null;
this._morphObj = null;
}
at(pos) {
return this._morphObj.morph(this._from, this._to, pos, this._stepper, this._context);
}
done() {
const complete = this._context.map(this._stepper.done).reduce(function (last, curr) {
return last && curr;
}, true);
return complete;
}
from(val) {
if (val == null) {
return this._from;
}
this._from = this._set(val);
return this;
}
stepper(stepper) {
if (stepper == null) return this._stepper;
this._stepper = stepper;
return this;
}
to(val) {
if (val == null) {
return this._to;
}
this._to = this._set(val);
return this;
}
type(type) {
// getter
if (type == null) {
return this._type;
}
// setter
this._type = type;
return this;
}
_set(value) {
if (!this._type) {
this.type(getClassForType(value));
}
let result = new this._type(value);
if (this._type === Color) {
result = this._to ? result[this._to[4]]() : this._from ? result[this._from[4]]() : result;
}
if (this._type === ObjectBag) {
result = this._to ? result.align(this._to) : this._from ? result.align(this._from) : result;
}
result = result.toConsumable();
this._morphObj = this._morphObj || new this._type();
this._context = this._context || Array.apply(null, Array(result.length)).map(Object).map(function (o) {
o.done = true;
return o;
});
return result;
}
}
class NonMorphable {
constructor(...args) {
this.init(...args);
}
init(val) {
val = Array.isArray(val) ? val[0] : val;
this.value = val;
return this;
}
toArray() {
return [this.value];
}
valueOf() {
return this.value;
}
}
class TransformBag {
constructor(...args) {
this.init(...args);
}
init(obj) {
if (Array.isArray(obj)) {
obj = {
scaleX: obj[0],
scaleY: obj[1],
shear: obj[2],
rotate: obj[3],
translateX: obj[4],
translateY: obj[5],
originX: obj[6],
originY: obj[7]
};
}
Object.assign(this, TransformBag.defaults, obj);
return this;
}
toArray() {
const v = this;
return [v.scaleX, v.scaleY, v.shear, v.rotate, v.translateX, v.translateY, v.originX, v.originY];
}
}
TransformBag.defaults = {
scaleX: 1,
scaleY: 1,
shear: 0,
rotate: 0,
translateX: 0,
translateY: 0,
originX: 0,
originY: 0
};
const sortByKey = (a, b) => {
return a[0] < b[0] ? -1 : a[0] > b[0] ? 1 : 0;
};
class ObjectBag {
constructor(...args) {
this.init(...args);
}
align(other) {
const values = this.values;
for (let i = 0, il = values.length; i < il; ++i) {
// If the type is the same we only need to check if the color is in the correct format
if (values[i + 1] === other[i + 1]) {
if (values[i + 1] === Color && other[i + 7] !== values[i + 7]) {
const space = other[i + 7];
const color = new Color(this.values.splice(i + 3, 5))[space]().toArray();
this.values.splice(i + 3, 0, ...color);
}
i += values[i + 2] + 2;
continue;
}
if (!other[i + 1]) {
return this;
}
// The types differ, so we overwrite the new type with the old one
// And initialize it with the types default (e.g. black for color or 0 for number)
const defaultObject = new other[i + 1]().toArray();
// Than we fix the values array
const toDelete = values[i + 2] + 3;
values.splice(i, toDelete, other[i], other[i + 1], other[i + 2], ...defaultObject);
i += values[i + 2] + 2;
}
return this;
}
init(objOrArr) {
this.values = [];
if (Array.isArray(objOrArr)) {
this.values = objOrArr.slice();
return;
}
objOrArr = objOrArr || {};
const entries = [];
for (const i in objOrArr) {
const Type = getClassForType(objOrArr[i]);
const val = new Type(objOrArr[i]).toArray();
entries.push([i, Type, val.length, ...val]);
}
entries.sort(sortByKey);
this.values = entries.reduce((last, curr) => last.concat(curr), []);
return this;
}
toArray() {
return this.values;
}
valueOf() {
const obj = {};
const arr = this.values;
// for (var i = 0, len = arr.length; i < len; i += 2) {
while (arr.length) {
const key = arr.shift();
const Type = arr.shift();
const num = arr.shift();
const values = arr.splice(0, num);
obj[key] = new Type(values); // .valueOf()
}
return obj;
}
}
const morphableTypes = [NonMorphable, TransformBag, ObjectBag];
function registerMorphableType(type = []) {
morphableTypes.push(...[].concat(type));
}
function makeMorphable() {
extend(morphableTypes, {
to(val) {
return new Morphable().type(this.constructor).from(this.toArray()) // this.valueOf())
.to(val);
},
fromArray(arr) {
this.init(arr);
return this;
},
toConsumable() {
return this.toArray();
},
morph(from, to, pos, stepper, context) {
const mapper = function (i, index) {
return stepper.step(i, to[index], pos, context[index], context);
};
return this.fromArray(from.map(mapper));
}
});
}
class Path extends Shape {
// Initialize node
constructor(node, attrs = node) {
super(nodeOrNew('path', node), attrs);
}
// Get array
array() {
return this._array || (this._array = new PathArray(this.attr('d')));
}
// Clear array cache
clear() {
delete this._array;
return this;
}
// Set height of element
height(height) {
return height == null ? this.bbox().height : this.size(this.bbox().width, height);
}
// Move by left top corner
move(x, y) {
return this.attr('d', this.array().move(x, y));
}
// Plot new path
plot(d) {
return d == null ? this.array() : this.clear().attr('d', typeof d === 'string' ? d : this._array = new PathArray(d));
}
// Set element size to given width and height
size(width, height) {
const p = proportionalSize(this, width, height);
return this.attr('d', this.array().size(p.width, p.height));
}
// Set width of element
width(width) {
return width == null ? this.bbox().width : this.size(width, this.bbox().height);
}
// Move by left top corner over x-axis
x(x) {
return x == null ? this.bbox().x : this.move(x, this.bbox().y);
}
// Move by left top corner over y-axis
y(y) {
return y == null ? this.bbox().y : this.move(this.bbox().x, y);
}
}
// Define morphable array
Path.prototype.MorphArray = PathArray;
// Add parent method
registerMethods({
Container: {
// Create a wrapped path element
path: wrapWithAttrCheck(function (d) {
// make sure plot is called as a setter
return this.put(new Path()).plot(d || new PathArray());
})
}
});
register(Path, 'Path');
// Get array
function array() {
return this._array || (this._array = new PointArray(this.attr('points')));
}
// Clear array cache
function clear() {
delete this._array;
return this;
}
// Move by left top corner
function move$2(x, y) {
return this.attr('points', this.array().move(x, y));
}
// Plot new path
function plot(p) {
return p == null ? this.array() : this.clear().attr('points', typeof p === 'string' ? p : this._array = new PointArray(p));
}
// Set element size to given width and height
function size$1(width, height) {
const p = proportionalSize(this, width, height);
return this.attr('points', this.array().size(p.width, p.height));
}
var poly = {
__proto__: null,
array: array,
clear: clear,
move: move$2,
plot: plot,
size: size$1
};
class Polygon extends Shape {
// Initialize node
constructor(node, attrs = node) {
super(nodeOrNew('polygon', node), attrs);
}
}
registerMethods({
Container: {
// Create a wrapped polygon element
polygon: wrapWithAttrCheck(function (p) {
// make sure plot is called as a setter
return this.put(new Polygon()).plot(p || new PointArray());
})
}
});
extend(Polygon, pointed);
extend(Polygon, poly);
register(Polygon, 'Polygon');
class Polyline extends Shape {
// Initialize node
constructor(node, attrs = node) {
super(nodeOrNew('polyline', node), attrs);
}
}
registerMethods({
Container: {
// Create a wrapped polygon element
polyline: wrapWithAttrCheck(function (p) {
// make sure plot is called as a setter
return this.put(new Polyline()).plot(p || new PointArray());
})
}
});
extend(Polyline, pointed);
extend(Polyline, poly);
register(Polyline, 'Polyline');
class Rect extends Shape {
// Initialize node
constructor(node, attrs = node) {
super(nodeOrNew('rect', node), attrs);
}
}
extend(Rect, {
rx,
ry
});
registerMethods({
Container: {
// Create a rect element
rect: wrapWithAttrCheck(function (width, height) {
return this.put(new Rect()).size(width, height);
})
}
});
register(Rect, 'Rect');
class Queue {
constructor() {
this._first = null;
this._last = null;
}
// Shows us the first item in the list
first() {
return this._first && this._first.value;
}
// Shows us the last item in the list
last() {
return this._last && this._last.value;
}
push(value) {
// An item stores an id and the provided value
const item = typeof value.next !== 'undefined' ? value : {
value: value,
next: null,
prev: null
};
// Deal with the queue being empty or populated
if (this._last) {
item.prev = this._last;
this._last.next = item;
this._last = item;
} else {
this._last = item;
this._first = item;
}
// Return the current item
return item;
}
// Removes the item that was returned from the push
remove(item) {
// Relink the previous item
if (item.prev) item.prev.next = item.next;
if (item.next) item.next.prev = item.prev;
if (item === this._last) this._last = item.prev;
if (item === this._first) this._first = item.next;
// Invalidate item
item.prev = null;
item.next = null;
}
shift() {
// Check if we have a value
const remove = this._first;
if (!remove) return null;
// If we do, remove it and relink things
this._first = remove.next;
if (this._first) this._first.prev = null;
this._last = this._first ? this._last : null;
return remove.value;
}
}
const Animator = {
nextDraw: null,
frames: new Queue(),
timeouts: new Queue(),
immediates: new Queue(),
timer: () => globals.window.performance || globals.window.Date,
transforms: [],
frame(fn) {
// Store the node
const node = Animator.frames.push({
run: fn
});
// Request an animation frame if we don't have one
if (Animator.nextDraw === null) {
Animator.nextDraw = globals.window.requestAnimationFrame(Animator._draw);
}
// Return the node so we can remove it easily
return node;
},
timeout(fn, delay) {
delay = delay || 0;
// Work out when the event should fire
const time = Animator.timer().now() + delay;
// Add the timeout to the end of the queue
const node = Animator.timeouts.push({
run: fn,
time: time
});
// Request another animation frame if we need one
if (Animator.nextDraw === null) {
Animator.nextDraw = globals.window.requestAnimationFrame(Animator._draw);
}
return node;
},
immediate(fn) {
// Add the immediate fn to the end of the queue
const node = Animator.immediates.push(fn);
// Request another animation frame if we need one
if (Animator.nextDraw === null) {
Animator.nextDraw = globals.window.requestAnimationFrame(Animator._draw);
}
return node;
},
cancelFrame(node) {
node != null && Animator.frames.remove(node);
},
clearTimeout(node) {
node != null && Animator.timeouts.remove(node);
},
cancelImmediate(node) {
node != null && Animator.immediates.remove(node);
},
_draw(now) {
// Run all the timeouts we can run, if they are not ready yet, add them
// to the end of the queue immediately! (bad timeouts!!! [sarcasm])
let nextTimeout = null;
const lastTimeout = Animator.timeouts.last();
while (nextTimeout = Animator.timeouts.shift()) {
// Run the timeout if its time, or push it to the end
if (now >= nextTimeout.time) {
nextTimeout.run();
} else {
Animator.timeouts.push(nextTimeout);
}
// If we hit the last item, we should stop shifting out more items
if (nextTimeout === lastTimeout) break;
}
// Run all of the animation frames
let nextFrame = null;
const lastFrame = Animator.frames.last();
while (nextFrame !== lastFrame && (nextFrame = Animator.frames.shift())) {
nextFrame.run(now);
}
let nextImmediate = null;
while (nextImmediate = Animator.immediates.shift()) {
nextImmediate();
}
// If we have remaining timeouts or frames, draw until we don't anymore
Animator.nextDraw = Animator.timeouts.first() || Animator.frames.first() ? globals.window.requestAnimationFrame(Animator._draw) : null;
}
};
const makeSchedule = function (runnerInfo) {
const start = runnerInfo.start;
const duration = runnerInfo.runner.duration();
const end = start + duration;
return {
start: start,
duration: duration,
end: end,
runner: runnerInfo.runner
};
};
const defaultSource = function () {
const w = globals.window;
return (w.performance || w.Date).now();
};
class Timeline extends EventTarget {
// Construct a new timeline on the given element
constructor(timeSource = defaultSource) {
super();
this._timeSource = timeSource;
// terminate resets all variables to their initial state
this.terminate();
}
active() {
return !!this._nextFrame;
}
finish() {
// Go to end and pause
this.time(this.getEndTimeOfTimeline() + 1);
return this.pause();
}
// Calculates the end of the timeline
getEndTime() {
const lastRunnerInfo = this.getLastRunnerInfo();
const lastDuration = lastRunnerInfo ? lastRunnerInfo.runner.duration() : 0;
const lastStartTime = lastRunnerInfo ? lastRunnerInfo.start : this._time;
return lastStartTime + lastDuration;
}
getEndTimeOfTimeline() {
const endTimes = this._runners.map(i => i.start + i.runner.duration());
return Math.max(0, ...endTimes);
}
getLastRunnerInfo() {
return this.getRunnerInfoById(this._lastRunnerId);
}
getRunnerInfoById(id) {
return this._runners[this._runnerIds.indexOf(id)] || null;
}
pause() {
this._paused = true;
return this._continue();
}
persist(dtOrForever) {
if (dtOrForever == null) return this._persist;
this._persist = dtOrForever;
return this;
}
play() {
// Now make sure we are not paused and continue the animation
this._paused = false;
return this.updateTime()._continue();
}
reverse(yes) {
const currentSpeed = this.speed();
if (yes == null) return this.speed(-currentSpeed);
const positive = Math.abs(currentSpeed);
return this.speed(yes ? -positive : positive);
}
// schedules a runner on the timeline
schedule(runner, delay, when) {
if (runner == null) {
return this._runners.map(makeSchedule);
}
// The start time for the next animation can either be given explicitly,
// derived from the current timeline time or it can be relative to the
// last start time to chain animations directly
let absoluteStartTime = 0;
const endTime = this.getEndTime();
delay = delay || 0;
// Work out when to start the animation
if (when == null || when === 'last' || when === 'after') {
// Take the last time and increment
absoluteStartTime = endTime;
} else if (when === 'absolute' || when === 'start') {
absoluteStartTime = delay;
delay = 0;
} else if (when === 'now') {
absoluteStartTime = this._time;
} else if (when === 'relative') {
const runnerInfo = this.getRunnerInfoById(runner.id);
if (runnerInfo) {
absoluteStartTime = runnerInfo.start + delay;
delay = 0;
}
} else if (when === 'with-last') {
const lastRunnerInfo = this.getLastRunnerInfo();
const lastStartTime = lastRunnerInfo ? lastRunnerInfo.start : this._time;
absoluteStartTime = lastStartTime;
} else {
throw new Error('Invalid value for the "when" parameter');
}
// Manage runner
runner.unschedule();
runner.timeline(this);
const persist = runner.persist();
const runnerInfo = {
persist: persist === null ? this._persist : persist,
start: absoluteStartTime + delay,
runner
};
this._lastRunnerId = runner.id;
this._runners.push(runnerInfo);
this._runners.sort((a, b) => a.start - b.start);
this._runnerIds = this._runners.map(info => info.runner.id);
this.updateTime()._continue();
return this;
}
seek(dt) {
return this.time(this._time + dt);
}
source(fn) {
if (fn == null) return this._timeSource;
this._timeSource = fn;
return this;
}
speed(speed) {
if (speed == null) return this._speed;
this._speed = speed;
return this;
}
stop() {
// Go to start and pause
this.time(0);
return this.pause();
}
time(time) {
if (time == null) return this._time;
this._time = time;
return this._continue(true);
}
// Remove the runner from this timeline
unschedule(runner) {
const index = this._runnerIds.indexOf(runner.id);
if (index < 0) return this;
this._runners.splice(index, 1);
this._runnerIds.splice(index, 1);
runner.timeline(null);
return this;
}
// Makes sure, that after pausing the time doesn't jump
updateTime() {
if (!this.active()) {
this._lastSourceTime = this._timeSource();
}
return this;
}
// Checks if we are running and continues the animation
_continue(immediateStep = false) {
Animator.cancelFrame(this._nextFrame);
this._nextFrame = null;
if (immediateStep) return this._stepImmediate();
if (this._paused) return this;
this._nextFrame = Animator.frame(this._step);
return this;
}
_stepFn(immediateStep = false) {
// Get the time delta from the last time and update the time
const time = this._timeSource();
let dtSource = time - this._lastSourceTime;
if (immediateStep) dtSource = 0;
const dtTime = this._speed * dtSource + (this._time - this._lastStepTime);
this._lastSourceTime = time;
// Only update the time if we use the timeSource.
// Otherwise use the current time
if (!immediateStep) {
// Update the time
this._time += dtTime;
this._time = this._time < 0 ? 0 : this._time;
}
this._lastStepTime = this._time;
this.fire('time', this._time);
// This is for the case that the timeline was seeked so that the time
// is now before the startTime of the runner. That is why we need to set
// the runner to position 0
// FIXME:
// However, resetting in insertion order leads to bugs. Considering the case,
// where 2 runners change the same attribute but in different times,
// resetting both of them will lead to the case where the later defined
// runner always wins the reset even if the other runner started earlier
// and therefore should win the attribute battle
// this can be solved by resetting them backwards
for (let k = this._runners.length; k--;) {
// Get and run the current runner and ignore it if its inactive
const runnerInfo = this._runners[k];
const runner = runnerInfo.runner;
// Make sure that we give the actual difference
// between runner start time and now
const dtToStart = this._time - runnerInfo.start;
// Dont run runner if not started yet
// and try to reset it
if (dtToStart <= 0) {
runner.reset();
}
}
// Run all of the runners directly
let runnersLeft = false;
for (let i = 0, len = this._runners.length; i < len; i++) {
// Get and run the current runner and ignore it if its inactive
const runnerInfo = this._runners[i];
const runner = runnerInfo.runner;
let dt = dtTime;
// Make sure that we give the actual difference
// between runner start time and now
const dtToStart = this._time - runnerInfo.start;
// Dont run runner if not started yet
if (dtToStart <= 0) {
runnersLeft = true;
continue;
} else if (dtToStart < dt) {
// Adjust dt to make sure that animation is on point
dt = dtToStart;
}
if (!runner.active()) continue;
// If this runner is still going, signal that we need another animation
// frame, otherwise, remove the completed runner
const finished = runner.step(dt).done;
if (!finished) {
runnersLeft = true;
// continue
} else if (runnerInfo.persist !== true) {
// runner is finished. And runner might get removed
const endTime = runner.duration() - runner.time() + this._time;
if (endTime + runnerInfo.persist < this._time) {
// Delete runner and correct index
runner.unschedule();
--i;
--len;
}
}
}
// Basically: we continue when there are runners right from us in time
// when -->, and when runners are left from us when <--
if (runnersLeft && !(this._speed < 0 && this._time === 0) || this._runnerIds.length && this._speed < 0 && this._time > 0) {
this._continue();
} else {
this.pause();
this.fire('finished');
}
return this;
}
terminate() {
// cleanup memory
// Store the timing variables
this._startTime = 0;
this._speed = 1.0;
// Determines how long a runner is hold in memory. Can be a dt or true/false
this._persist = 0;
// Keep track of the running animations and their starting parameters
this._nextFrame = null;
this._paused = true;
this._runners = [];
this._runnerIds = [];
this._lastRunnerId = -1;
this._time = 0;
this._lastSourceTime = 0;
this._lastStepTime = 0;
// Make sure that step is always called in class context
this._step = this._stepFn.bind(this, false);
this._stepImmediate = this._stepFn.bind(this, true);
}
}
registerMethods({
Element: {
timeline: function (timeline) {
if (timeline == null) {
this._timeline = this._timeline || new Timeline();
return this._timeline;
} else {
this._timeline = timeline;
return this;
}
}
}
});
class Runner extends EventTarget {
constructor(options) {
super();
// Store a unique id on the runner, so that we can identify it later
this.id = Runner.id++;
// Ensure a default value
options = options == null ? timeline.duration : options;
// Ensure that we get a controller
options = typeof options === 'function' ? new Controller(options) : options;
// Declare all of the variables
this._element = null;
this._timeline = null;
this.done = false;
this._queue = [];
// Work out the stepper and the duration
this._duration = typeof options === 'number' && options;
this._isDeclarative = options instanceof Controller;
this._stepper = this._isDeclarative ? options : new Ease();
// We copy the current values from the timeline because they can change
this._history = {};
// Store the state of the runner
this.enabled = true;
this._time = 0;
this._lastTime = 0;
// At creation, the runner is in reset state
this._reseted = true;
// Save transforms applied to this runner
this.transforms = new Matrix();
this.transformId = 1;
// Looping variables
this._haveReversed = false;
this._reverse = false;
this._loopsDone = 0;
this._swing = false;
this._wait = 0;
this._times = 1;
this._frameId = null;
// Stores how long a runner is stored after being done
this._persist = this._isDeclarative ? true : null;
}
static sanitise(duration, delay, when) {
// Initialise the default parameters
let times = 1;
let swing = false;
let wait = 0;
duration = duration ?? timeline.duration;
delay = delay ?? timeline.delay;
when = when || 'last';
// If we have an object, unpack the values
if (typeof duration === 'object' && !(duration instanceof Stepper)) {
delay = duration.delay ?? delay;
when = duration.when ?? when;
swing = duration.swing || swing;
times = duration.times ?? times;
wait = duration.wait ?? wait;
duration = duration.duration ?? timeline.duration;
}
return {
duration: duration,
delay: delay,
swing: swing,
times: times,
wait: wait,
when: when
};
}
active(enabled) {
if (enabled == null) return this.enabled;
this.enabled = enabled;
return this;
}
/*
Private Methods
===============
Methods that shouldn't be used externally
*/
addTransform(transform) {
this.transforms.lmultiplyO(transform);
return this;
}
after(fn) {
return this.on('finished', fn);
}
animate(duration, delay, when) {
const o = Runner.sanitise(duration, delay, when);
const runner = new Runner(o.duration);
if (this._timeline) runner.timeline(this._timeline);
if (this._element) runner.element(this._element);
return runner.loop(o).schedule(o.delay, o.when);
}
clearTransform() {
this.transforms = new Matrix();
return this;
}
// TODO: Keep track of all transformations so that deletion is faster
clearTransformsFromQueue() {
if (!this.done || !this._timeline || !this._timeline._runnerIds.includes(this.id)) {
this._queue = this._queue.filter(item => {
return !item.isTransform;
});
}
}
delay(delay) {
return this.animate(0, delay);
}
duration() {
return this._times * (this._wait + this._duration) - this._wait;
}
during(fn) {
return this.queue(null, fn);
}
ease(fn) {
this._stepper = new Ease(fn);
return this;
}
/*
Runner Definitions
==================
These methods help us define the runtime behaviour of the Runner or they
help us make new runners from the current runner
*/
element(element) {
if (element == null) return this._element;
this._element = element;
element._prepareRunner();
return this;
}
finish() {
return this.step(Infinity);
}
loop(times, swing, wait) {
// Deal with the user passing in an object
if (typeof times === 'object') {
swing = times.swing;
wait = times.wait;
times = times.times;
}
// Sanitise the values and store them
this._times = times || Infinity;
this._swing = swing || false;
this._wait = wait || 0;
// Allow true to be passed
if (this._times === true) {
this._times = Infinity;
}
return this;
}
loops(p) {
const loopDuration = this._duration + this._wait;
if (p == null) {
const loopsDone = Math.floor(this._time / loopDuration);
const relativeTime = this._time - loopsDone * loopDuration;
const position = relativeTime / this._duration;
return Math.min(loopsDone + position, this._times);
}
const whole = Math.floor(p);
const partial = p % 1;
const time = loopDuration * whole + this._duration * partial;
return this.time(time);
}
persist(dtOrForever) {
if (dtOrForever == null) return this._persist;
this._persist = dtOrForever;
return this;
}
position(p) {
// Get all of the variables we need
const x = this._time;
const d = this._duration;
const w = this._wait;
const t = this._times;
const s = this._swing;
const r = this._reverse;
let position;
if (p == null) {
/*
This function converts a time to a position in the range [0, 1]
The full explanation can be found in this desmos demonstration
https://www.desmos.com/calculator/u4fbavgche
The logic is slightly simplified here because we can use booleans
*/
// Figure out the value without thinking about the start or end time
const f = function (x) {
const swinging = s * Math.floor(x % (2 * (w + d)) / (w + d));
const backwards = swinging && !r || !swinging && r;
const uncliped = Math.pow(-1, backwards) * (x % (w + d)) / d + backwards;
const clipped = Math.max(Math.min(uncliped, 1), 0);
return clipped;
};
// Figure out the value by incorporating the start time
const endTime = t * (w + d) - w;
position = x <= 0 ? Math.round(f(1e-5)) : x < endTime ? f(x) : Math.round(f(endTime - 1e-5));
return position;
}
// Work out the loops done and add the position to the loops done
const loopsDone = Math.floor(this.loops());
const swingForward = s && loopsDone % 2 === 0;
const forwards = swingForward && !r || r && swingForward;
position = loopsDone + (forwards ? p : 1 - p);
return this.loops(position);
}
progress(p) {
if (p == null) {
return Math.min(1, this._time / this.duration());
}
return this.time(p * this.duration());
}
/*
Basic Functionality
===================
These methods allow us to attach basic functions to the runner directly
*/
queue(initFn, runFn, retargetFn, isTransform) {
this._queue.push({
initialiser: initFn || noop,
runner: runFn || noop,
retarget: retargetFn,
isTransform: isTransform,
initialised: false,
finished: false
});
const timeline = this.timeline();
timeline && this.timeline()._continue();
return this;
}
reset() {
if (this._reseted) return this;
this.time(0);
this._reseted = true;
return this;
}
reverse(reverse) {
this._reverse = reverse == null ? !this._reverse : reverse;
return this;
}
schedule(timeline, delay, when) {
// The user doesn't need to pass a timeline if we already have one
if (!(timeline instanceof Timeline)) {
when = delay;
delay = timeline;
timeline = this.timeline();
}
// If there is no timeline, yell at the user...
if (!timeline) {
throw Error('Runner cannot be scheduled without timeline');
}
// Schedule the runner on the timeline provided
timeline.schedule(this, delay, when);
return this;
}
step(dt) {
// If we are inactive, this stepper just gets skipped
if (!this.enabled) return this;
// Update the time and get the new position
dt = dt == null ? 16 : dt;
this._time += dt;
const position = this.position();
// Figure out if we need to run the stepper in this frame
const running = this._lastPosition !== position && this._time >= 0;
this._lastPosition = position;
// Figure out if we just started
const duration = this.duration();
const justStarted = this._lastTime <= 0 && this._time > 0;
const justFinished = this._lastTime < duration && this._time >= duration;
this._lastTime = this._time;
if (justStarted) {
this.fire('start', this);
}
// Work out if the runner is finished set the done flag here so animations
// know, that they are running in the last step (this is good for
// transformations which can be merged)
const declarative = this._isDeclarative;
this.done = !declarative && !justFinished && this._time >= duration;
// Runner is running. So its not in reset state anymore
this._reseted = false;
let converged = false;
// Call initialise and the run function
if (running || declarative) {
this._initialise(running);
// clear the transforms on this runner so they dont get added again and again
this.transforms = new Matrix();
converged = this._run(declarative ? dt : position);
this.fire('step', this);
}
// correct the done flag here
// declarative animations itself know when they converged
this.done = this.done || converged && declarative;
if (justFinished) {
this.fire('finished', this);
}
return this;
}
/*
Runner animation methods
========================
Control how the animation plays
*/
time(time) {
if (time == null) {
return this._time;
}
const dt = time - this._time;
this.step(dt);
return this;
}
timeline(timeline) {
// check explicitly for undefined so we can set the timeline to null
if (typeof timeline === 'undefined') return this._timeline;
this._timeline = timeline;
return this;
}
unschedule() {
const timeline = this.timeline();
timeline && timeline.unschedule(this);
return this;
}
// Run each initialise function in the runner if required
_initialise(running) {
// If we aren't running, we shouldn't initialise when not declarative
if (!running && !this._isDeclarative) return;
// Loop through all of the initialisers
for (let i = 0, len = this._queue.length; i < len; ++i) {
// Get the current initialiser
const current = this._queue[i];
// Determine whether we need to initialise
const needsIt = this._isDeclarative || !current.initialised && running;
running = !current.finished;
// Call the initialiser if we need to
if (needsIt && running) {
current.initialiser.call(this);
current.initialised = true;
}
}
}
// Save a morpher to the morpher list so that we can retarget it later
_rememberMorpher(method, morpher) {
this._history[method] = {
morpher: morpher,
caller: this._queue[this._queue.length - 1]
};
// We have to resume the timeline in case a controller
// is already done without being ever run
// This can happen when e.g. this is done:
// anim = el.animate(new SVG.Spring)
// and later
// anim.move(...)
if (this._isDeclarative) {
const timeline = this.timeline();
timeline && timeline.play();
}
}
// Try to set the target for a morpher if the morpher exists, otherwise
// Run each run function for the position or dt given
_run(positionOrDt) {
// Run all of the _queue directly
let allfinished = true;
for (let i = 0, len = this._queue.length; i < len; ++i) {
// Get the current function to run
const current = this._queue[i];
// Run the function if its not finished, we keep track of the finished
// flag for the sake of declarative _queue
const converged = current.runner.call(this, positionOrDt);
current.finished = current.finished || converged === true;
allfinished = allfinished && current.finished;
}
// We report when all of the constructors are finished
return allfinished;
}
// do nothing and return false
_tryRetarget(method, target, extra) {
if (this._history[method]) {
// if the last method wasn't even initialised, throw it away
if (!this._history[method].caller.initialised) {
const index = this._queue.indexOf(this._history[method].caller);
this._queue.splice(index, 1);
return false;
}
// for the case of transformations, we use the special retarget function
// which has access to the outer scope
if (this._history[method].caller.retarget) {
this._history[method].caller.retarget.call(this, target, extra);
// for everything else a simple morpher change is sufficient
} else {
this._history[method].morpher.to(target);
}
this._history[method].caller.finished = false;
const timeline = this.timeline();
timeline && timeline.play();
return true;
}
return false;
}
}
Runner.id = 0;
class FakeRunner {
constructor(transforms = new Matrix(), id = -1, done = true) {
this.transforms = transforms;
this.id = id;
this.done = done;
}
clearTransformsFromQueue() {}
}
extend([Runner, FakeRunner], {
mergeWith(runner) {
return new FakeRunner(runner.transforms.lmultiply(this.transforms), runner.id);
}
});
// FakeRunner.emptyRunner = new FakeRunner()
const lmultiply = (last, curr) => last.lmultiplyO(curr);
const getRunnerTransform = runner => runner.transforms;
function mergeTransforms() {
// Find the matrix to apply to the element and apply it
const runners = this._transformationRunners.runners;
const netTransform = runners.map(getRunnerTransform).reduce(lmultiply, new Matrix());
this.transform(netTransform);
this._transformationRunners.merge();
if (this._transformationRunners.length() === 1) {
this._frameId = null;
}
}
class RunnerArray {
constructor() {
this.runners = [];
this.ids = [];
}
add(runner) {
if (this.runners.includes(runner)) return;
const id = runner.id + 1;
this.runners.push(runner);
this.ids.push(id);
return this;
}
clearBefore(id) {
const deleteCnt = this.ids.indexOf(id + 1) || 1;
this.ids.splice(0, deleteCnt, 0);
this.runners.splice(0, deleteCnt, new FakeRunner()).forEach(r => r.clearTransformsFromQueue());
return this;
}
edit(id, newRunner) {
const index = this.ids.indexOf(id + 1);
this.ids.splice(index, 1, id + 1);
this.runners.splice(index, 1, newRunner);
return this;
}
getByID(id) {
return this.runners[this.ids.indexOf(id + 1)];
}
length() {
return this.ids.length;
}
merge() {
let lastRunner = null;
for (let i = 0; i < this.runners.length; ++i) {
const runner = this.runners[i];
const condition = lastRunner && runner.done && lastRunner.done && (
// don't merge runner when persisted on timeline
!runner._timeline || !runner._timeline._runnerIds.includes(runner.id)) && (!lastRunner._timeline || !lastRunner._timeline._runnerIds.includes(lastRunner.id));
if (condition) {
// the +1 happens in the function
this.remove(runner.id);
const newRunner = runner.mergeWith(lastRunner);
this.edit(lastRunner.id, newRunner);
lastRunner = newRunner;
--i;
} else {
lastRunner = runner;
}
}
return this;
}
remove(id) {
const index = this.ids.indexOf(id + 1);
this.ids.splice(index, 1);
this.runners.splice(index, 1);
return this;
}
}
registerMethods({
Element: {
animate(duration, delay, when) {
const o = Runner.sanitise(duration, delay, when);
const timeline = this.timeline();
return new Runner(o.duration).loop(o).element(this).timeline(timeline.play()).schedule(o.delay, o.when);
},
delay(by, when) {
return this.animate(0, by, when);
},
// this function searches for all runners on the element and deletes the ones
// which run before the current one. This is because absolute transformations
// overwrite anything anyway so there is no need to waste time computing
// other runners
_clearTransformRunnersBefore(currentRunner) {
this._transformationRunners.clearBefore(currentRunner.id);
},
_currentTransform(current) {
return this._transformationRunners.runners
// we need the equal sign here to make sure, that also transformations
// on the same runner which execute before the current transformation are
// taken into account
.filter(runner => runner.id <= current.id).map(getRunnerTransform).reduce(lmultiply, new Matrix());
},
_addRunner(runner) {
this._transformationRunners.add(runner);
// Make sure that the runner merge is executed at the very end of
// all Animator functions. That is why we use immediate here to execute
// the merge right after all frames are run
Animator.cancelImmediate(this._frameId);
this._frameId = Animator.immediate(mergeTransforms.bind(this));
},
_prepareRunner() {
if (this._frameId == null) {
this._transformationRunners = new RunnerArray().add(new FakeRunner(new Matrix(this)));
}
}
}
});
// Will output the elements from array A that are not in the array B
const difference = (a, b) => a.filter(x => !b.includes(x));
extend(Runner, {
attr(a, v) {
return this.styleAttr('attr', a, v);
},
// Add animatable styles
css(s, v) {
return this.styleAttr('css', s, v);
},
styleAttr(type, nameOrAttrs, val) {
if (typeof nameOrAttrs === 'string') {
return this.styleAttr(type, {
[nameOrAttrs]: val
});
}
let attrs = nameOrAttrs;
if (this._tryRetarget(type, attrs)) return this;
let morpher = new Morphable(this._stepper).to(attrs);
let keys = Object.keys(attrs);
this.queue(function () {
morpher = morpher.from(this.element()[type](keys));
}, function (pos) {
this.element()[type](morpher.at(pos).valueOf());
return morpher.done();
}, function (newToAttrs) {
// Check if any new keys were added
const newKeys = Object.keys(newToAttrs);
const differences = difference(newKeys, keys);
// If their are new keys, initialize them and add them to morpher
if (differences.length) {
// Get the values
const addedFromAttrs = this.element()[type](differences);
// Get the already initialized values
const oldFromAttrs = new ObjectBag(morpher.from()).valueOf();
// Merge old and new
Object.assign(oldFromAttrs, addedFromAttrs);
morpher.from(oldFromAttrs);
}
// Get the object from the morpher
const oldToAttrs = new ObjectBag(morpher.to()).valueOf();
// Merge in new attributes
Object.assign(oldToAttrs, newToAttrs);
// Change morpher target
morpher.to(oldToAttrs);
// Make sure that we save the work we did so we don't need it to do again
keys = newKeys;
attrs = newToAttrs;
});
this._rememberMorpher(type, morpher);
return this;
},
zoom(level, point) {
if (this._tryRetarget('zoom', level, point)) return this;
let morpher = new Morphable(this._stepper).to(new SVGNumber(level));
this.queue(function () {
morpher = morpher.from(this.element().zoom());
}, function (pos) {
this.element().zoom(morpher.at(pos), point);
return morpher.done();
}, function (newLevel, newPoint) {
point = newPoint;
morpher.to(newLevel);
});
this._rememberMorpher('zoom', morpher);
return this;
},
/**
** absolute transformations
**/
//
// M v -----|-----(D M v = F v)------|-----> T v
//
// 1. define the final state (T) and decompose it (once)
// t = [tx, ty, the, lam, sy, sx]
// 2. on every frame: pull the current state of all previous transforms
// (M - m can change)
// and then write this as m = [tx0, ty0, the0, lam0, sy0, sx0]
// 3. Find the interpolated matrix F(pos) = m + pos * (t - m)
// - Note F(0) = M
// - Note F(1) = T
// 4. Now you get the delta matrix as a result: D = F * inv(M)
transform(transforms, relative, affine) {
// If we have a declarative function, we should retarget it if possible
relative = transforms.relative || relative;
if (this._isDeclarative && !relative && this._tryRetarget('transform', transforms)) {
return this;
}
// Parse the parameters
const isMatrix = Matrix.isMatrixLike(transforms);
affine = transforms.affine != null ? transforms.affine : affine != null ? affine : !isMatrix;
// Create a morpher and set its type
const morpher = new Morphable(this._stepper).type(affine ? TransformBag : Matrix);
let origin;
let element;
let current;
let currentAngle;
let startTransform;
function setup() {
// make sure element and origin is defined
element = element || this.element();
origin = origin || getOrigin(transforms, element);
startTransform = new Matrix(relative ? undefined : element);
// add the runner to the element so it can merge transformations
element._addRunner(this);
// Deactivate all transforms that have run so far if we are absolute
if (!relative) {
element._clearTransformRunnersBefore(this);
}
}
function run(pos) {
// clear all other transforms before this in case something is saved
// on this runner. We are absolute. We dont need these!
if (!relative) this.clearTransform();
const {
x,
y
} = new Point(origin).transform(element._currentTransform(this));
let target = new Matrix({
...transforms,
origin: [x, y]
});
let start = this._isDeclarative && current ? current : startTransform;
if (affine) {
target = target.decompose(x, y);
start = start.decompose(x, y);
// Get the current and target angle as it was set
const rTarget = target.rotate;
const rCurrent = start.rotate;
// Figure out the shortest path to rotate directly
const possibilities = [rTarget - 360, rTarget, rTarget + 360];
const distances = possibilities.map(a => Math.abs(a - rCurrent));
const shortest = Math.min(...distances);
const index = distances.indexOf(shortest);
target.rotate = possibilities[index];
}
if (relative) {
// we have to be careful here not to overwrite the rotation
// with the rotate method of Matrix
if (!isMatrix) {
target.rotate = transforms.rotate || 0;
}
if (this._isDeclarative && currentAngle) {
start.rotate = currentAngle;
}
}
morpher.from(start);
morpher.to(target);
const affineParameters = morpher.at(pos);
currentAngle = affineParameters.rotate;
current = new Matrix(affineParameters);
this.addTransform(current);
element._addRunner(this);
return morpher.done();
}
function retarget(newTransforms) {
// only get a new origin if it changed since the last call
if ((newTransforms.origin || 'center').toString() !== (transforms.origin || 'center').toString()) {
origin = getOrigin(newTransforms, element);
}
// overwrite the old transformations with the new ones
transforms = {
...newTransforms,
origin
};
}
this.queue(setup, run, retarget, true);
this._isDeclarative && this._rememberMorpher('transform', morpher);
return this;
},
// Animatable x-axis
x(x) {
return this._queueNumber('x', x);
},
// Animatable y-axis
y(y) {
return this._queueNumber('y', y);
},
ax(x) {
return this._queueNumber('ax', x);
},
ay(y) {
return this._queueNumber('ay', y);
},
dx(x = 0) {
return this._queueNumberDelta('x', x);
},
dy(y = 0) {
return this._queueNumberDelta('y', y);
},
dmove(x, y) {
return this.dx(x).dy(y);
},
_queueNumberDelta(method, to) {
to = new SVGNumber(to);
// Try to change the target if we have this method already registered
if (this._tryRetarget(method, to)) return this;
// Make a morpher and queue the animation
const morpher = new Morphable(this._stepper).to(to);
let from = null;
this.queue(function () {
from = this.element()[method]();
morpher.from(from);
morpher.to(from + to);
}, function (pos) {
this.element()[method](morpher.at(pos));
return morpher.done();
}, function (newTo) {
morpher.to(from + new SVGNumber(newTo));
});
// Register the morpher so that if it is changed again, we can retarget it
this._rememberMorpher(method, morpher);
return this;
},
_queueObject(method, to) {
// Try to change the target if we have this method already registered
if (this._tryRetarget(method, to)) return this;
// Make a morpher and queue the animation
const morpher = new Morphable(this._stepper).to(to);
this.queue(function () {
morpher.from(this.element()[method]());
}, function (pos) {
this.element()[method](morpher.at(pos));
return morpher.done();
});
// Register the morpher so that if it is changed again, we can retarget it
this._rememberMorpher(method, morpher);
return this;
},
_queueNumber(method, value) {
return this._queueObject(method, new SVGNumber(value));
},
// Animatable center x-axis
cx(x) {
return this._queueNumber('cx', x);
},
// Animatable center y-axis
cy(y) {
return this._queueNumber('cy', y);
},
// Add animatable move
move(x, y) {
return this.x(x).y(y);
},
amove(x, y) {
return this.ax(x).ay(y);
},
// Add animatable center
center(x, y) {
return this.cx(x).cy(y);
},
// Add animatable size
size(width, height) {
// animate bbox based size for all other elements
let box;
if (!width || !height) {
box = this._element.bbox();
}
if (!width) {
width = box.width / box.height * height;
}
if (!height) {
height = box.height / box.width * width;
}
return this.width(width).height(height);
},
// Add animatable width
width(width) {
return this._queueNumber('width', width);
},
// Add animatable height
height(height) {
return this._queueNumber('height', height);
},
// Add animatable plot
plot(a, b, c, d) {
// Lines can be plotted with 4 arguments
if (arguments.length === 4) {
return this.plot([a, b, c, d]);
}
if (this._tryRetarget('plot', a)) return this;
const morpher = new Morphable(this._stepper).type(this._element.MorphArray).to(a);
this.queue(function () {
morpher.from(this._element.array());
}, function (pos) {
this._element.plot(morpher.at(pos));
return morpher.done();
});
this._rememberMorpher('plot', morpher);
return this;
},
// Add leading method
leading(value) {
return this._queueNumber('leading', value);
},
// Add animatable viewbox
viewbox(x, y, width, height) {
return this._queueObject('viewbox', new Box(x, y, width, height));
},
update(o) {
if (typeof o !== 'object') {
return this.update({
offset: arguments[0],
color: arguments[1],
opacity: arguments[2]
});
}
if (o.opacity != null) this.attr('stop-opacity', o.opacity);
if (o.color != null) this.attr('stop-color', o.color);
if (o.offset != null) this.attr('offset', o.offset);
return this;
}
});
extend(Runner, {
rx,
ry,
from,
to
});
register(Runner, 'Runner');
class Svg extends Container {
constructor(node, attrs = node) {
super(nodeOrNew('svg', node), attrs);
this.namespace();
}
// Creates and returns defs element
defs() {
if (!this.isRoot()) return this.root().defs();
return adopt(this.node.querySelector('defs')) || this.put(new Defs());
}
isRoot() {
return !this.node.parentNode || !(this.node.parentNode instanceof globals.window.SVGElement) && this.node.parentNode.nodeName !== '#document-fragment';
}
// Add namespaces
namespace() {
if (!this.isRoot()) return this.root().namespace();
return this.attr({
xmlns: svg,
version: '1.1'
}).attr('xmlns:xlink', xlink, xmlns);
}
removeNamespace() {
return this.attr({
xmlns: null,
version: null
}).attr('xmlns:xlink', null, xmlns).attr('xmlns:svgjs', null, xmlns);
}
// Check if this is a root svg
// If not, call root() from this element
root() {
if (this.isRoot()) return this;
return super.root();
}
}
registerMethods({
Container: {
// Create nested svg document
nested: wrapWithAttrCheck(function () {
return this.put(new Svg());
})
}
});
register(Svg, 'Svg', true);
class Symbol extends Container {
// Initialize node
constructor(node, attrs = node) {
super(nodeOrNew('symbol', node), attrs);
}
}
registerMethods({
Container: {
symbol: wrapWithAttrCheck(function () {
return this.put(new Symbol());
})
}
});
register(Symbol, 'Symbol');
// Create plain text node
function plain(text) {
// clear if build mode is disabled
if (this._build === false) {
this.clear();
}
// create text node
this.node.appendChild(globals.document.createTextNode(text));
return this;
}
// Get length of text element
function length() {
return this.node.getComputedTextLength();
}
// Move over x-axis
// Text is moved by its bounding box
// text-anchor does NOT matter
function x$1(x, box = this.bbox()) {
if (x == null) {
return box.x;
}
return this.attr('x', this.attr('x') + x - box.x);
}
// Move over y-axis
function y$1(y, box = this.bbox()) {
if (y == null) {
return box.y;
}
return this.attr('y', this.attr('y') + y - box.y);
}
function move$1(x, y, box = this.bbox()) {
return this.x(x, box).y(y, box);
}
// Move center over x-axis
function cx(x, box = this.bbox()) {
if (x == null) {
return box.cx;
}
return this.attr('x', this.attr('x') + x - box.cx);
}
// Move center over y-axis
function cy(y, box = this.bbox()) {
if (y == null) {
return box.cy;
}
return this.attr('y', this.attr('y') + y - box.cy);
}
function center(x, y, box = this.bbox()) {
return this.cx(x, box).cy(y, box);
}
function ax(x) {
return this.attr('x', x);
}
function ay(y) {
return this.attr('y', y);
}
function amove(x, y) {
return this.ax(x).ay(y);
}
// Enable / disable build mode
function build(build) {
this._build = !!build;
return this;
}
var textable = {
__proto__: null,
amove: amove,
ax: ax,
ay: ay,
build: build,
center: center,
cx: cx,
cy: cy,
length: length,
move: move$1,
plain: plain,
x: x$1,
y: y$1
};
class Text extends Shape {
// Initialize node
constructor(node, attrs = node) {
super(nodeOrNew('text', node), attrs);
this.dom.leading = this.dom.leading ?? new SVGNumber(1.3); // store leading value for rebuilding
this._rebuild = true; // enable automatic updating of dy values
this._build = false; // disable build mode for adding multiple lines
}
// Set / get leading
leading(value) {
// act as getter
if (value == null) {
return this.dom.leading;
}
// act as setter
this.dom.leading = new SVGNumber(value);
return this.rebuild();
}
// Rebuild appearance type
rebuild(rebuild) {
// store new rebuild flag if given
if (typeof rebuild === 'boolean') {
this._rebuild = rebuild;
}
// define position of all lines
if (this._rebuild) {
const self = this;
let blankLineOffset = 0;
const leading = this.dom.leading;
this.each(function (i) {
if (isDescriptive(this.node)) return;
const fontSize = globals.window.getComputedStyle(this.node).getPropertyValue('font-size');
const dy = leading * new SVGNumber(fontSize);
if (this.dom.newLined) {
this.attr('x', self.attr('x'));
if (this.text() === '\n') {
blankLineOffset += dy;
} else {
this.attr('dy', i ? dy + blankLineOffset : 0);
blankLineOffset = 0;
}
}
});
this.fire('rebuild');
}
return this;
}
// overwrite method from parent to set data properly
setData(o) {
this.dom = o;
this.dom.leading = new SVGNumber(o.leading || 1.3);
return this;
}
writeDataToDom() {
writeDataToDom(this, this.dom, {
leading: 1.3
});
return this;
}
// Set the text content
text(text) {
// act as getter
if (text === undefined) {
const children = this.node.childNodes;
let firstLine = 0;
text = '';
for (let i = 0, len = children.length; i < len; ++i) {
// skip textPaths - they are no lines
if (children[i].nodeName === 'textPath' || isDescriptive(children[i])) {
if (i === 0) firstLine = i + 1;
continue;
}
// add newline if its not the first child and newLined is set to true
if (i !== firstLine && children[i].nodeType !== 3 && adopt(children[i]).dom.newLined === true) {
text += '\n';
}
// add content of this node
text += children[i].textContent;
}
return text;
}
// remove existing content
this.clear().build(true);
if (typeof text === 'function') {
// call block
text.call(this, this);
} else {
// store text and make sure text is not blank
text = (text + '').split('\n');
// build new lines
for (let j = 0, jl = text.length; j < jl; j++) {
this.newLine(text[j]);
}
}
// disable build mode and rebuild lines
return this.build(false).rebuild();
}
}
extend(Text, textable);
registerMethods({
Container: {
// Create text element
text: wrapWithAttrCheck(function (text = '') {
return this.put(new Text()).text(text);
}),
// Create plain text element
plain: wrapWithAttrCheck(function (text = '') {
return this.put(new Text()).plain(text);
})
}
});
register(Text, 'Text');
class Tspan extends Shape {
// Initialize node
constructor(node, attrs = node) {
super(nodeOrNew('tspan', node), attrs);
this._build = false; // disable build mode for adding multiple lines
}
// Shortcut dx
dx(dx) {
return this.attr('dx', dx);
}
// Shortcut dy
dy(dy) {
return this.attr('dy', dy);
}
// Create new line
newLine() {
// mark new line
this.dom.newLined = true;
// fetch parent
const text = this.parent();
// early return in case we are not in a text element
if (!(text instanceof Text)) {
return this;
}
const i = text.index(this);
const fontSize = globals.window.getComputedStyle(this.node).getPropertyValue('font-size');
const dy = text.dom.leading * new SVGNumber(fontSize);
// apply new position
return this.dy(i ? dy : 0).attr('x', text.x());
}
// Set text content
text(text) {
if (text == null) return this.node.textContent + (this.dom.newLined ? '\n' : '');
if (typeof text === 'function') {
this.clear().build(true);
text.call(this, this);
this.build(false);
} else {
this.plain(text);
}
return this;
}
}
extend(Tspan, textable);
registerMethods({
Tspan: {
tspan: wrapWithAttrCheck(function (text = '') {
const tspan = new Tspan();
// clear if build mode is disabled
if (!this._build) {
this.clear();
}
// add new tspan
return this.put(tspan).text(text);
})
},
Text: {
newLine: function (text = '') {
return this.tspan(text).newLine();
}
}
});
register(Tspan, 'Tspan');
class Circle extends Shape {
constructor(node, attrs = node) {
super(nodeOrNew('circle', node), attrs);
}
radius(r) {
return this.attr('r', r);
}
// Radius x value
rx(rx) {
return this.attr('r', rx);
}
// Alias radius x value
ry(ry) {
return this.rx(ry);
}
size(size) {
return this.radius(new SVGNumber(size).divide(2));
}
}
extend(Circle, {
x: x$3,
y: y$3,
cx: cx$1,
cy: cy$1,
width: width$2,
height: height$2
});
registerMethods({
Container: {
// Create circle element
circle: wrapWithAttrCheck(function (size = 0) {
return this.put(new Circle()).size(size).move(0, 0);
})
}
});
register(Circle, 'Circle');
class ClipPath extends Container {
constructor(node, attrs = node) {
super(nodeOrNew('clipPath', node), attrs);
}
// Unclip all clipped elements and remove itself
remove() {
// unclip all targets
this.targets().forEach(function (el) {
el.unclip();
});
// remove clipPath from parent
return super.remove();
}
targets() {
return baseFind('svg [clip-path*=' + this.id() + ']');
}
}
registerMethods({
Container: {
// Create clipping element
clip: wrapWithAttrCheck(function () {
return this.defs().put(new ClipPath());
})
},
Element: {
// Distribute clipPath to svg element
clipper() {
return this.reference('clip-path');
},
clipWith(element) {
// use given clip or create a new one
const clipper = element instanceof ClipPath ? element : this.parent().clip().add(element);
// apply mask
return this.attr('clip-path', 'url(#' + clipper.id() + ')');
},
// Unclip element
unclip() {
return this.attr('clip-path', null);
}
}
});
register(ClipPath, 'ClipPath');
class ForeignObject extends Element {
constructor(node, attrs = node) {
super(nodeOrNew('foreignObject', node), attrs);
}
}
registerMethods({
Container: {
foreignObject: wrapWithAttrCheck(function (width, height) {
return this.put(new ForeignObject()).size(width, height);
})
}
});
register(ForeignObject, 'ForeignObject');
function dmove(dx, dy) {
this.children().forEach(child => {
let bbox;
// We have to wrap this for elements that dont have a bbox
// e.g. title and other descriptive elements
try {
// Get the childs bbox
// Bug: https://bugzilla.mozilla.org/show_bug.cgi?id=1905039
// Because bbox for nested svgs returns the contents bbox in the coordinate space of the svg itself (weird!), we cant use bbox for svgs
// Therefore we have to use getBoundingClientRect. But THAT is broken (as explained in the bug).
// Funnily enough the broken behavior would work for us but that breaks it in chrome
// So we have to replicate the broken behavior of FF by just reading the attributes of the svg itself
bbox = child.node instanceof getWindow().SVGSVGElement ? new Box(child.attr(['x', 'y', 'width', 'height'])) : child.bbox();
} catch (e) {
return;
}
// Get childs matrix
const m = new Matrix(child);
// Translate childs matrix by amount and
// transform it back into parents space
const matrix = m.translate(dx, dy).transform(m.inverse());
// Calculate new x and y from old box
const p = new Point(bbox.x, bbox.y).transform(matrix);
// Move element
child.move(p.x, p.y);
});
return this;
}
function dx(dx) {
return this.dmove(dx, 0);
}
function dy(dy) {
return this.dmove(0, dy);
}
function height(height, box = this.bbox()) {
if (height == null) return box.height;
return this.size(box.width, height, box);
}
function move(x = 0, y = 0, box = this.bbox()) {
const dx = x - box.x;
const dy = y - box.y;
return this.dmove(dx, dy);
}
function size(width, height, box = this.bbox()) {
const p = proportionalSize(this, width, height, box);
const scaleX = p.width / box.width;
const scaleY = p.height / box.height;
this.children().forEach(child => {
const o = new Point(box).transform(new Matrix(child).inverse());
child.scale(scaleX, scaleY, o.x, o.y);
});
return this;
}
function width(width, box = this.bbox()) {
if (width == null) return box.width;
return this.size(width, box.height, box);
}
function x(x, box = this.bbox()) {
if (x == null) return box.x;
return this.move(x, box.y, box);
}
function y(y, box = this.bbox()) {
if (y == null) return box.y;
return this.move(box.x, y, box);
}
var containerGeometry = {
__proto__: null,
dmove: dmove,
dx: dx,
dy: dy,
height: height,
move: move,
size: size,
width: width,
x: x,
y: y
};
class G extends Container {
constructor(node, attrs = node) {
super(nodeOrNew('g', node), attrs);
}
}
extend(G, containerGeometry);
registerMethods({
Container: {
// Create a group element
group: wrapWithAttrCheck(function () {
return this.put(new G());
})
}
});
register(G, 'G');
class A extends Container {
constructor(node, attrs = node) {
super(nodeOrNew('a', node), attrs);
}
// Link target attribute
target(target) {
return this.attr('target', target);
}
// Link url
to(url) {
return this.attr('href', url, xlink);
}
}
extend(A, containerGeometry);
registerMethods({
Container: {
// Create a hyperlink element
link: wrapWithAttrCheck(function (url) {
return this.put(new A()).to(url);
})
},
Element: {
unlink() {
const link = this.linker();
if (!link) return this;
const parent = link.parent();
if (!parent) {
return this.remove();
}
const index = parent.index(link);
parent.add(this, index);
link.remove();
return this;
},
linkTo(url) {
// reuse old link if possible
let link = this.linker();
if (!link) {
link = new A();
this.wrap(link);
}
if (typeof url === 'function') {
url.call(link, link);
} else {
link.to(url);
}
return this;
},
linker() {
const link = this.parent();
if (link && link.node.nodeName.toLowerCase() === 'a') {
return link;
}
return null;
}
}
});
register(A, 'A');
class Mask extends Container {
// Initialize node
constructor(node, attrs = node) {
super(nodeOrNew('mask', node), attrs);
}
// Unmask all masked elements and remove itself
remove() {
// unmask all targets
this.targets().forEach(function (el) {
el.unmask();
});
// remove mask from parent
return super.remove();
}
targets() {
return baseFind('svg [mask*=' + this.id() + ']');
}
}
registerMethods({
Container: {
mask: wrapWithAttrCheck(function () {
return this.defs().put(new Mask());
})
},
Element: {
// Distribute mask to svg element
masker() {
return this.reference('mask');
},
maskWith(element) {
// use given mask or create a new one
const masker = element instanceof Mask ? element : this.parent().mask().add(element);
// apply mask
return this.attr('mask', 'url(#' + masker.id() + ')');
},
// Unmask element
unmask() {
return this.attr('mask', null);
}
}
});
register(Mask, 'Mask');
class Stop extends Element {
constructor(node, attrs = node) {
super(nodeOrNew('stop', node), attrs);
}
// add color stops
update(o) {
if (typeof o === 'number' || o instanceof SVGNumber) {
o = {
offset: arguments[0],
color: arguments[1],
opacity: arguments[2]
};
}
// set attributes
if (o.opacity != null) this.attr('stop-opacity', o.opacity);
if (o.color != null) this.attr('stop-color', o.color);
if (o.offset != null) this.attr('offset', new SVGNumber(o.offset));
return this;
}
}
registerMethods({
Gradient: {
// Add a color stop
stop: function (offset, color, opacity) {
return this.put(new Stop()).update(offset, color, opacity);
}
}
});
register(Stop, 'Stop');
function cssRule(selector, rule) {
if (!selector) return '';
if (!rule) return selector;
let ret = selector + '{';
for (const i in rule) {
ret += unCamelCase(i) + ':' + rule[i] + ';';
}
ret += '}';
return ret;
}
class Style extends Element {
constructor(node, attrs = node) {
super(nodeOrNew('style', node), attrs);
}
addText(w = '') {
this.node.textContent += w;
return this;
}
font(name, src, params = {}) {
return this.rule('@font-face', {
fontFamily: name,
src: src,
...params
});
}
rule(selector, obj) {
return this.addText(cssRule(selector, obj));
}
}
registerMethods('Dom', {
style(selector, obj) {
return this.put(new Style()).rule(selector, obj);
},
fontface(name, src, params) {
return this.put(new Style()).font(name, src, params);
}
});
register(Style, 'Style');
class TextPath extends Text {
// Initialize node
constructor(node, attrs = node) {
super(nodeOrNew('textPath', node), attrs);
}
// return the array of the path track element
array() {
const track = this.track();
return track ? track.array() : null;
}
// Plot path if any
plot(d) {
const track = this.track();
let pathArray = null;
if (track) {
pathArray = track.plot(d);
}
return d == null ? pathArray : this;
}
// Get the path element
track() {
return this.reference('href');
}
}
registerMethods({
Container: {
textPath: wrapWithAttrCheck(function (text, path) {
// Convert text to instance if needed
if (!(text instanceof Text)) {
text = this.text(text);
}
return text.path(path);
})
},
Text: {
// Create path for text to run on
path: wrapWithAttrCheck(function (track, importNodes = true) {
const textPath = new TextPath();
// if track is a path, reuse it
if (!(track instanceof Path)) {
// create path element
track = this.defs().path(track);
}
// link textPath to path and add content
textPath.attr('href', '#' + track, xlink);
// Transplant all nodes from text to textPath
let node;
if (importNodes) {
while (node = this.node.firstChild) {
textPath.node.appendChild(node);
}
}
// add textPath element as child node and return textPath
return this.put(textPath);
}),
// Get the textPath children
textPath() {
return this.findOne('textPath');
}
},
Path: {
// creates a textPath from this path
text: wrapWithAttrCheck(function (text) {
// Convert text to instance if needed
if (!(text instanceof Text)) {
text = new Text().addTo(this.parent()).text(text);
}
// Create textPath from text and path and return
return text.path(this);
}),
targets() {
return baseFind('svg textPath').filter(node => {
return (node.attr('href') || '').includes(this.id());
});
// Does not work in IE11. Use when IE support is dropped
// return baseFind('svg textPath[*|href*=' + this.id() + ']')
}
}
});
TextPath.prototype.MorphArray = PathArray;
register(TextPath, 'TextPath');
class Use extends Shape {
constructor(node, attrs = node) {
super(nodeOrNew('use', node), attrs);
}
// Use element as a reference
use(element, file) {
// Set lined element
return this.attr('href', (file || '') + '#' + element, xlink);
}
}
registerMethods({
Container: {
// Create a use element
use: wrapWithAttrCheck(function (element, file) {
return this.put(new Use()).use(element, file);
})
}
});
register(Use, 'Use');
/* Optional Modules */
const SVG = makeInstance;
extend([Svg, Symbol, Image, Pattern, Marker], getMethodsFor('viewbox'));
extend([Line, Polyline, Polygon, Path], getMethodsFor('marker'));
extend(Text, getMethodsFor('Text'));
extend(Path, getMethodsFor('Path'));
extend(Defs, getMethodsFor('Defs'));
extend([Text, Tspan], getMethodsFor('Tspan'));
extend([Rect, Ellipse, Gradient, Runner], getMethodsFor('radius'));
extend(EventTarget, getMethodsFor('EventTarget'));
extend(Dom, getMethodsFor('Dom'));
extend(Element, getMethodsFor('Element'));
extend(Shape, getMethodsFor('Shape'));
extend([Container, Fragment], getMethodsFor('Container'));
extend(Gradient, getMethodsFor('Gradient'));
extend(Runner, getMethodsFor('Runner'));
List.extend(getMethodNames());
registerMorphableType([SVGNumber, Color, Box, Matrix, SVGArray, PointArray, PathArray, Point]);
makeMorphable();
exports.A = A;
exports.Animator = Animator;
exports.Array = SVGArray;
exports.Box = Box;
exports.Circle = Circle;
exports.ClipPath = ClipPath;
exports.Color = Color;
exports.Container = Container;
exports.Controller = Controller;
exports.Defs = Defs;
exports.Dom = Dom;
exports.Ease = Ease;
exports.Element = Element;
exports.Ellipse = Ellipse;
exports.EventTarget = EventTarget;
exports.ForeignObject = ForeignObject;
exports.Fragment = Fragment;
exports.G = G;
exports.Gradient = Gradient;
exports.Image = Image;
exports.Line = Line;
exports.List = List;
exports.Marker = Marker;
exports.Mask = Mask;
exports.Matrix = Matrix;
exports.Morphable = Morphable;
exports.NonMorphable = NonMorphable;
exports.Number = SVGNumber;
exports.ObjectBag = ObjectBag;
exports.PID = PID;
exports.Path = Path;
exports.PathArray = PathArray;
exports.Pattern = Pattern;
exports.Point = Point;
exports.PointArray = PointArray;
exports.Polygon = Polygon;
exports.Polyline = Polyline;
exports.Queue = Queue;
exports.Rect = Rect;
exports.Runner = Runner;
exports.SVG = SVG;
exports.Shape = Shape;
exports.Spring = Spring;
exports.Stop = Stop;
exports.Style = Style;
exports.Svg = Svg;
exports.Symbol = Symbol;
exports.Text = Text;
exports.TextPath = TextPath;
exports.Timeline = Timeline;
exports.TransformBag = TransformBag;
exports.Tspan = Tspan;
exports.Use = Use;
exports.adopt = adopt;
exports.assignNewId = assignNewId;
exports.clearEvents = clearEvents;
exports.create = create;
exports.defaults = defaults;
exports.dispatch = dispatch;
exports.easing = easing;
exports.eid = eid;
exports.extend = extend;
exports.find = baseFind;
exports.getClass = getClass;
exports.getEventTarget = getEventTarget;
exports.getEvents = getEvents;
exports.getWindow = getWindow;
exports.makeInstance = makeInstance;
exports.makeMorphable = makeMorphable;
exports.mockAdopt = mockAdopt;
exports.namespaces = namespaces;
exports.nodeOrNew = nodeOrNew;
exports.off = off;
exports.on = on;
exports.parser = parser;
exports.regex = regex;
exports.register = register;
exports.registerMorphableType = registerMorphableType;
exports.registerWindow = registerWindow;
exports.restoreWindow = restoreWindow;
exports.root = root;
exports.saveWindow = saveWindow;
exports.utils = utils;
exports.windowEvents = windowEvents;
exports.withWindow = withWindow;
exports.wrapWithAttrCheck = wrapWithAttrCheck;
//# sourceMappingURL=svg.node.cjs.map