6150 lines
161 KiB
JavaScript
6150 lines
161 KiB
JavaScript
/*! css-doodle@0.30.6 */
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(function (global, factory) {
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typeof exports === 'object' && typeof module !== 'undefined' ? module.exports = factory() :
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typeof define === 'function' && define.amd ? define(factory) :
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(global = typeof globalThis !== 'undefined' ? globalThis : global || self, global.CSSDoodle = factory());
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})(this, (function () { 'use strict';
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/**
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* This is totally rewrite for the old parser module
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* I'll improve and replace them little by little.
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*/
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const symbols$1 = [
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':', ';', ',', '(', ')', '[', ']',
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'{', '}', 'π', '±', '+', '-', '*',
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'/', '%', '"', "'", '`', '@', '=',
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];
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const is$1 = {
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escape: c => c == '\\',
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space: c => /[\r\n\t\s]/.test(c),
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digit: c => /^[0-9]$/.test(c),
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sign: c => /^[+-]$/.test(c),
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dot: c => c == '.',
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quote: c => /^["'`]$/.test(c),
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symbol: c => symbols$1.includes(c),
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hexNum: c => /^[0-9a-f]$/i.test(c),
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hex: (a, b, c) => a == '0' && is$1.letter(b, 'x') && is$1.hexNum(c),
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expWithSign: (a, b, c) => is$1.letter(a, 'e') && is$1.sign(b) && is$1.digit(c),
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exp: (a, b) => is$1.letter(a, 'e') && is$1.digit(b),
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dots: (a, b) => is$1.dot(a) && is$1.dot(b),
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letter: (a, b) => String(a).toLowerCase() == String(b).toLowerCase(),
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comment: (a, b) => a == '/' && b == '*',
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inlineComment: (a, b) => a == '/' && b === '/',
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selfClosedTag: (a, b) => a == '/' && b == '>',
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closedTag: (a, b) => a == '<' && b == '/',
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};
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class Token {
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constructor({ type, value, pos, status }) {
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this.type = type;
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this.value = value;
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this.pos = pos;
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if (status) {
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this.status = status;
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}
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}
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isSymbol(...values) {
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let isSymbol = this.type == 'Symbol';
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if (!values.length) return isSymbol;
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return values.some(c => c === this.value);
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}
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isSpace() {
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return this.type == 'Space';
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}
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isNumber() {
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return this.type == 'Number';
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}
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isWord() {
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return this.type == 'Word';
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}
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}
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function iterator$1(input) {
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let pointer = -1;
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let max = input.length;
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let col = -1, row = 0;
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return {
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curr(n = 0) {
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return input[pointer + n];
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},
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next(n = 1) {
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let next = input[pointer += n];
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if (next === '\n') row++, col = 0;
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else col += n;
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return next;
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},
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end() {
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return pointer >= max;
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},
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get() {
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return {
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prev: input[pointer - 1],
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curr: input[pointer + 0],
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next: input[pointer + 1],
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next2: input[pointer + 2],
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next3: input[pointer + 3],
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pos: [col, row],
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}
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}
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}
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}
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function skipComments(iter) {
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while (iter.next()) {
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let { curr, prev } = iter.get();
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if (is$1.comment(curr, prev)) break;
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}
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}
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function skipInlineComments(iter) {
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while (iter.next()) {
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if (iter.curr() === '\n') break;
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}
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}
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function ignoreSpacingSymbol(value) {
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return [':', ';', ',', '{', '}', '(', ')', '[', ']'].includes(value);
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}
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function readWord(iter) {
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let temp = '';
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while (!iter.end()) {
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let { curr, next } = iter.get();
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temp += curr;
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let isBreak = is$1.symbol(next) || is$1.space(next) || is$1.digit(next);
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if (temp.length && isBreak) {
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if (!is$1.closedTag(curr, next)) break;
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}
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iter.next();
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}
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return temp.trim();
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}
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function readSpaces(iter) {
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let temp = '';
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while (!iter.end()) {
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let { curr, next } = iter.get();
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temp += curr;
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if (!is$1.space(next)) break;
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iter.next();
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}
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return temp;
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}
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function readNumber(iter) {
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let temp = '';
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let hasDot = false;
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while (!iter.end()) {
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let { curr, next, next2, next3 } = iter.get();
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temp += curr;
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if (hasDot && is$1.dot(next)) break;
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if (is$1.dot(curr)) hasDot = true;
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if (is$1.dots(next, next2)) break;
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if (is$1.expWithSign(next, next2, next3)) {
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temp += iter.next() + iter.next();
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}
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else if (is$1.exp(next, next2)) {
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temp += iter.next();
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}
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else if (!is$1.digit(next) && !is$1.dot(next)) {
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break;
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}
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iter.next();
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}
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return temp;
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}
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function readHexNumber(iter) {
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let temp = '0x';
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iter.next(2);
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while (!iter.end()) {
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let { curr, next } = iter.get();
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temp += curr;
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if (!is$1.hexNum(next)) break;
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iter.next();
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}
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return temp;
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}
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function last$1(array) {
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return array[array.length - 1];
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}
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function scan(source, options = {}) {
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let iter = iterator$1(String(source).trim());
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let tokens = [];
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let quoteStack = [];
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while (iter.next()) {
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let { prev, curr, next, next2, pos } = iter.get();
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if (is$1.comment(curr, next)) {
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skipComments(iter);
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}
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else if (options.ignoreInlineComment && is$1.inlineComment(curr, next)) {
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skipInlineComments(iter);
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}
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else if (is$1.hex(curr, next, next2)) {
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let num = readHexNumber(iter);
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tokens.push(new Token({
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type: 'Number', value: num, pos
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}));
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}
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else if (is$1.digit(curr) || (
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is$1.digit(next) && is$1.dot(curr) && !is$1.dots(prev, curr))) {
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let num = readNumber(iter);
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tokens.push(new Token({
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type: 'Number', value: num, pos
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}));
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}
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else if (is$1.symbol(curr) && !is$1.selfClosedTag(curr, next)) {
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let lastToken = last$1(tokens);
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// negative
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let isNextDigit = is$1.digit(next) || (is$1.dot(next) && is$1.digit(next2));
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if (curr === '-' && isNextDigit && (!lastToken || !lastToken.isNumber())) {
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let num = readNumber(iter);
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tokens.push(new Token({
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type: 'Number', value: num, pos
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}));
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continue;
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}
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let token = {
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type: 'Symbol', value: curr, pos
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};
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// Escaped symbols
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if (quoteStack.length && is$1.escape(lastToken.value)) {
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tokens.pop();
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let word = readWord(iter);
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if (word.length) {
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tokens.push(new Token({
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type: 'Word', value: word, pos
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}));
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}
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}
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else {
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if (is$1.quote(curr)) {
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let lastQuote = last$1(quoteStack);
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if (lastQuote == curr) {
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quoteStack.pop();
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token.status = 'close';
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} else {
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quoteStack.push(curr);
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token.status = 'open';
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}
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}
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tokens.push(new Token(token));
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}
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}
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else if (is$1.space(curr)) {
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let spaces = readSpaces(iter);
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let lastToken = last$1(tokens);
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let { next } = iter.get();
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// Reduce unnecessary spaces
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if (!quoteStack.length && lastToken) {
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let prev = lastToken.value;
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let ignoreLeft = (ignoreSpacingSymbol(prev) && prev !== ')');
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let ignoreRight = (ignoreSpacingSymbol(next) && next !== '(');
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if (ignoreLeft || ignoreRight) {
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continue;
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} else {
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spaces = options.preserveLineBreak ? curr : ' ';
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}
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}
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if (tokens.length && (next && next.trim())) {
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tokens.push(new Token({
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type: 'Space', value: spaces, pos
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}));
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}
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}
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else {
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let word = readWord(iter);
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if (word.length) {
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tokens.push(new Token({
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type: 'Word', value: word, pos
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}));
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}
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}
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}
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// Remove last space token
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let lastToken = last$1(tokens);
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if (lastToken && lastToken.isSpace()) {
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tokens.length = tokens.length - 1;
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}
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return tokens;
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}
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function parse$9(input) {
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let iter = iterator$1(scan(input));
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return walk$2(iter);
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}
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function walk$2(iter) {
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let rules = [];
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while (iter.next()) {
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let { curr, next } = iter.get();
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if (curr.value === 'var') {
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if (next && next.isSymbol('(')) {
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iter.next();
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let rule = parseVar(iter);
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if (isValid(rule.name)) {
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rules.push(rule);
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}
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}
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} else if (rules.length && !curr.isSymbol(',')) {
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break;
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}
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}
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return rules;
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}
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function parseVar(iter) {
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let ret = {};
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let tokens = [];
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while (iter.next()) {
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let { curr, next } = iter.get();
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if (curr.isSymbol(')', ';') && !ret.name) {
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ret.name = joinTokens$2(tokens);
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break;
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}
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else if (curr.isSymbol(',')) {
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if (ret.name === undefined) {
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ret.name = joinTokens$2(tokens);
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tokens = [];
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}
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if (ret.name) {
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ret.fallback = walk$2(iter);
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}
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} else {
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tokens.push(curr);
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}
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}
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return ret;
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}
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function joinTokens$2(tokens) {
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return tokens.map(n => n.value).join('');
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}
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function isValid(name) {
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if (name === undefined) return false;
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if (name.length <= 2) return false;
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if (name.substr(2).startsWith('-')) return false;
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||
if (!name.startsWith('--')) return false;
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return true;
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||
}
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||
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function clamp(num, min, max) {
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num = Number(num) || 0;
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||
return Math.max(min, Math.min(max, num));
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||
}
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||
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function maybe(cond, value) {
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if (!cond) return '';
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||
return (typeof value === 'function') ? value() : value;
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||
}
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function range(start, stop, step) {
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let count = 0, old = start;
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let initial = n => (n > 0 && n < 1) ? .1 : 1;
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let length = arguments.length;
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if (length == 1) [start, stop] = [initial(start), start];
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if (length < 3) step = initial(start);
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let range = [];
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while ((step >= 0 && start <= stop)
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|| (step < 0 && start > stop)) {
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range.push(start);
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start += step;
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if (count++ >= 65535) break;
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}
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if (!range.length) range.push(old);
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return range;
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||
}
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||
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function add_alias(obj, names) {
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||
for (let [alias, name] of Object.entries(names)) {
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||
obj[alias] = obj[name];
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||
}
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||
return obj;
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||
}
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||
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||
function is_letter(c) {
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return /^[a-zA-Z]$/.test(c);
|
||
}
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||
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function is_nil(s) {
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||
return s === undefined || s === null;
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||
}
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||
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function is_invalid_number(v) {
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||
return is_nil(v) || Number.isNaN(v);
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}
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||
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||
function is_empty(value) {
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||
return is_nil(value) || value === '';
|
||
}
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||
|
||
function lazy(fn) {
|
||
let wrap = (upstream) => {
|
||
return (...args) => fn(...[upstream, ...args]);
|
||
};
|
||
wrap.lazy = true;
|
||
return wrap;
|
||
}
|
||
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||
function sequence(count, fn) {
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||
let [x, y = 1] = String(count).split(/[x-]/);
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||
x = clamp(Math.ceil(x) || 1, 1, 65536);
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||
y = clamp(Math.ceil(y) || 1, 1, 65536);
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let max = x * y;
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let ret = [];
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let index = 1;
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if (/x/.test(count)) {
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for (let i = 1; i <= y; ++i) {
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for (let j = 1; j <= x; ++j) {
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ret.push(fn(index++, j, i, max, x, y));
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||
}
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}
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}
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||
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||
else if (/-/.test(count)) {
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||
max = Math.abs(x - y) + 1;
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||
if (x <= y) {
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||
for (let i = x; i <= y; ++i) {
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||
ret.push(fn(i, i, 1, max, max, 1));
|
||
}
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||
} else {
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||
for (let i = x; i >= y; --i) {
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||
ret.push(fn(i, i, 1, max, max, 1));
|
||
}
|
||
}
|
||
}
|
||
|
||
else {
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||
for (let i = 1; i <= x; ++i) {
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||
ret.push(fn(i, i, 1, x, x, 1));
|
||
}
|
||
}
|
||
|
||
return ret;
|
||
}
|
||
|
||
function cell_id(x, y, z) {
|
||
return 'c-' + x + '-' + y + '-' + z;
|
||
}
|
||
|
||
function get_value(input) {
|
||
let v = input;
|
||
while (v && !is_nil(v.value)) v = v.value;
|
||
return is_nil(v) ? '' : v;
|
||
}
|
||
|
||
function normalize_png_name(name) {
|
||
let prefix = is_nil(name)
|
||
? Date.now()
|
||
: String(name).replace(/\/.png$/g, '');
|
||
return prefix + '.png';
|
||
}
|
||
|
||
function cache_image(src, fn, delay = 0) {
|
||
let img = new Image();
|
||
img.crossOrigin = 'anonymous';
|
||
img.src = src;
|
||
img.onload = function() {
|
||
setTimeout(fn, delay);
|
||
};
|
||
}
|
||
|
||
function is_safari() {
|
||
return /^((?!chrome|android).)*safari/i.test(navigator.userAgent);
|
||
}
|
||
|
||
function un_entity(code) {
|
||
let textarea = document.createElement('textarea');
|
||
textarea.innerHTML = code;
|
||
return textarea.value;
|
||
}
|
||
|
||
function entity(code) {
|
||
return code
|
||
.replace(/&/g, '&')
|
||
.replace(/</g, '<')
|
||
.replace(/>/g, '>')
|
||
.replace(/"/g, '"')
|
||
}
|
||
|
||
/* cyrb53 */
|
||
function hash(str, seed = 0) {
|
||
let h1 = 0xdeadbeef ^ seed, h2 = 0x41c6ce57 ^ seed;
|
||
for (let i = 0, ch; i < str.length; i++) {
|
||
ch = str.charCodeAt(i);
|
||
h1 = Math.imul(h1 ^ ch, 2654435761);
|
||
h2 = Math.imul(h2 ^ ch, 1597334677);
|
||
}
|
||
h1 = Math.imul(h1 ^ (h1>>>16), 2246822507) ^ Math.imul(h2 ^ (h2>>>13), 3266489909);
|
||
h2 = Math.imul(h2 ^ (h2>>>16), 2246822507) ^ Math.imul(h1 ^ (h1>>>13), 3266489909);
|
||
return 4294967296 * (2097151 & h2) + (h1>>>0);
|
||
}
|
||
|
||
function make_tag_function(fn) {
|
||
let get_value = v => is_nil(v) ? '' : v;
|
||
return (input, ...vars) => {
|
||
let string = make_array$1(input).reduce((s, c, i) => s + c + get_value(vars[i]), '');
|
||
return fn(string);
|
||
};
|
||
}
|
||
|
||
function next_id() {
|
||
let id = 0;
|
||
return (prefix = '') => `${prefix}-${++id}`;
|
||
}
|
||
|
||
function lerp(t, a, b) {
|
||
return a + t * (b - a);
|
||
}
|
||
|
||
function unique_id(prefix = '') {
|
||
return prefix + Math.random().toString(32).substr(2);
|
||
}
|
||
|
||
function make_array$1(arr) {
|
||
if (is_nil(arr)) return [];
|
||
return Array.isArray(arr) ? arr : [arr];
|
||
}
|
||
|
||
function parse$8(input, option = {symbol: ',', noSpace: false}) {
|
||
let group = [];
|
||
let tokens = [];
|
||
let parenStack = [];
|
||
let quoteStack = [];
|
||
|
||
if (is_empty(input)) {
|
||
return group;
|
||
}
|
||
|
||
let iter = iterator$1(scan(input));
|
||
|
||
function isSeperator(token) {
|
||
let symbol = option.symbol || ',';
|
||
if (option.noSpace) {
|
||
return token.isSymbol(symbol);
|
||
}
|
||
return token.isSymbol(symbol) || token.isSpace();
|
||
}
|
||
|
||
while (iter.next()) {
|
||
let { prev, curr, next } = iter.get();
|
||
if (curr.isSymbol('(')) {
|
||
parenStack.push(curr.value);
|
||
}
|
||
if (curr.isSymbol(')')) {
|
||
parenStack.pop();
|
||
}
|
||
if (curr.status === 'open') {
|
||
quoteStack.push(curr.value);
|
||
}
|
||
if (curr.status === 'close') {
|
||
quoteStack.pop();
|
||
}
|
||
let emptyStack = (!parenStack.length && !quoteStack.length);
|
||
if (emptyStack) {
|
||
let isNextSpace = option.noSpace && curr.isSpace() && isSeperator(next);
|
||
let isPrevSpace = option.noSpace && curr.isSpace() && isSeperator(prev);
|
||
if (isNextSpace || isPrevSpace) continue;
|
||
}
|
||
if (emptyStack && isSeperator(curr)) {
|
||
group.push(joinTokens$1(tokens));
|
||
tokens = [];
|
||
} else {
|
||
tokens.push(curr);
|
||
}
|
||
}
|
||
|
||
if (tokens.length) {
|
||
group.push(joinTokens$1(tokens));
|
||
}
|
||
|
||
return group;
|
||
}
|
||
|
||
function joinTokens$1(tokens) {
|
||
return tokens.map(n => n.value).join('');
|
||
}
|
||
|
||
function readStatement$1(iter, token) {
|
||
let fragment = [];
|
||
let inlineBlock;
|
||
let stackQuote = [];
|
||
let stackParen = [];
|
||
while (iter.next()) {
|
||
let { curr, next } = iter.get();
|
||
if (curr.isSymbol('(') && !stackQuote.length) {
|
||
stackParen.push(curr);
|
||
} else if (curr.isSymbol(')') && !stackQuote.length) {
|
||
stackParen.pop();
|
||
}
|
||
let isStatementBreak = !stackQuote.length && !stackParen.length && (!next || curr.isSymbol(';') || next.isSymbol('}'));
|
||
if (curr.isSymbol("'", '"')) {
|
||
if (curr.status === 'open') {
|
||
stackQuote.push(curr);
|
||
} else {
|
||
stackQuote.pop();
|
||
}
|
||
if ((next && next.isSymbol('}')) && !stackQuote.length) {
|
||
isStatementBreak = true;
|
||
}
|
||
}
|
||
if (!stackParen.length && !stackQuote.length && curr.isSymbol('{')) {
|
||
let selectors = getSelectors(fragment);
|
||
if (!selectors.length) {
|
||
continue;
|
||
}
|
||
let tokenName = selectors.pop();
|
||
let skip = isSkip(...selectors, tokenName);
|
||
inlineBlock = resolveId(walk$1(iter, splitTimes(tokenName, {
|
||
type: 'block',
|
||
inline: true,
|
||
name: tokenName,
|
||
value: [],
|
||
})), skip);
|
||
|
||
while (tokenName = selectors.pop()) {
|
||
inlineBlock = resolveId(splitTimes(tokenName, {
|
||
type: 'block',
|
||
name: tokenName,
|
||
value: [inlineBlock]
|
||
}), skip);
|
||
}
|
||
break;
|
||
}
|
||
fragment.push(curr);
|
||
if (isStatementBreak) {
|
||
break;
|
||
}
|
||
}
|
||
if (fragment.length && !inlineBlock) {
|
||
token.value = joinToken$2(fragment);
|
||
} else if (inlineBlock) {
|
||
token.value = inlineBlock;
|
||
}
|
||
if (token.origin) {
|
||
token.origin.value = token.value;
|
||
}
|
||
return token
|
||
}
|
||
|
||
function walk$1(iter, parentToken) {
|
||
let rules = [];
|
||
let fragment = [];
|
||
let tokenType = parentToken && parentToken.type || '';
|
||
let stack = [];
|
||
|
||
while (iter.next()) {
|
||
let { prev, curr, next } = iter.get();
|
||
if (curr.isSymbol('(')) {
|
||
stack.push(curr.value);
|
||
}
|
||
if (curr.isSymbol(')')) {
|
||
stack.pop();
|
||
}
|
||
let isBlockBreak = !next || curr.isSymbol('}');
|
||
if (isBlock(tokenType) && isBlockBreak) {
|
||
if (!next && rules.length && !curr.isSymbol('}')) {
|
||
let last = rules[rules.length - 1].value;
|
||
if (typeof last === 'string') {
|
||
rules[rules.length - 1].value += (';' + curr.value);
|
||
}
|
||
}
|
||
parentToken.value = rules;
|
||
break;
|
||
}
|
||
else if (curr.isSymbol('{')) {
|
||
let selectors = getSelectors(fragment);
|
||
if (!selectors.length) {
|
||
continue;
|
||
}
|
||
if (isSkip(parentToken.name)) {
|
||
selectors = [joinToken$2(fragment)];
|
||
}
|
||
let tokenName = selectors.pop();
|
||
let skip = isSkip(...selectors, parentToken.name, tokenName);
|
||
let block = resolveId(walk$1(iter, splitTimes(tokenName, {
|
||
type: 'block',
|
||
name: tokenName,
|
||
value: []
|
||
})), skip);
|
||
while (tokenName = selectors.pop()) {
|
||
block = resolveId(splitTimes(tokenName, {
|
||
type: 'block',
|
||
name: tokenName,
|
||
value: [block]
|
||
}), skip);
|
||
}
|
||
rules.push(block);
|
||
fragment = [];
|
||
}
|
||
else if (
|
||
curr.isSymbol(':')
|
||
&& !stack.length
|
||
&& !isSpecialProperty(prev, next)
|
||
&& fragment.length
|
||
) {
|
||
let props = getGroups(fragment, token => token.isSymbol(','));
|
||
let intial = {
|
||
type: 'statement',
|
||
name: 'unkown',
|
||
value: ''
|
||
};
|
||
if (props.length > 1) {
|
||
intial.origin = {
|
||
name: props
|
||
};
|
||
}
|
||
let statement = readStatement$1(iter, intial);
|
||
|
||
let groupdValue = parse$8(statement.value);
|
||
let expand = (props.length > 1 && groupdValue.length === props.length);
|
||
|
||
props.forEach((prop, i) => {
|
||
let item = Object.assign({}, statement, { name: prop });
|
||
if (expand) {
|
||
item.value = groupdValue[i];
|
||
}
|
||
rules.push(item);
|
||
});
|
||
if (isBlock(tokenType)) {
|
||
parentToken.value = rules;
|
||
}
|
||
fragment = [];
|
||
}
|
||
else if (curr.isSymbol(';')) {
|
||
if (rules.length && fragment.length) {
|
||
rules[rules.length - 1].value += (';' + joinToken$2(fragment));
|
||
fragment = [];
|
||
}
|
||
}
|
||
else {
|
||
fragment.push(curr);
|
||
}
|
||
}
|
||
|
||
if (rules.length && isBlock(tokenType)) {
|
||
parentToken.value = rules;
|
||
}
|
||
return tokenType ? parentToken : rules;
|
||
}
|
||
|
||
function isSpecialProperty(prev, next) {
|
||
const names = [
|
||
'xlink:actuate', 'xlink:arcrole', 'xlink:href', 'xlink:role',
|
||
'xlink:show', 'xlink:title', 'xlink:type',
|
||
'xml:base', 'xml:lang', 'xml:space',
|
||
];
|
||
let prevValue = prev && prev.value;
|
||
let nextValue = next && next.value;
|
||
return names.includes(prevValue + ':' + nextValue);
|
||
}
|
||
|
||
function joinToken$2(tokens) {
|
||
return tokens
|
||
.filter((token, i) => {
|
||
if (token.isSymbol(';', '}') && i === tokens.length - 1) return false;
|
||
return true;
|
||
})
|
||
.map(n => n.value).join('');
|
||
}
|
||
|
||
function resolveId(block, skip) {
|
||
let name = block.name || '';
|
||
let [tokenName, ...ids] = name.split(/#/);
|
||
let id = ids[ids.length - 1];
|
||
if (tokenName && id && !skip) {
|
||
block.name = tokenName;
|
||
block.value.push({
|
||
type: 'statement',
|
||
name: 'id',
|
||
value: id,
|
||
});
|
||
}
|
||
return block;
|
||
}
|
||
|
||
function getGroups(tokens, fn) {
|
||
let group = [];
|
||
let temp = [];
|
||
tokens.forEach(token => {
|
||
if (fn(token)) {
|
||
group.push(joinToken$2(temp));
|
||
temp = [];
|
||
} else {
|
||
temp.push(token);
|
||
}
|
||
});
|
||
if (temp.length) {
|
||
group.push(joinToken$2(temp));
|
||
}
|
||
return group;
|
||
}
|
||
|
||
function getSelectors(tokens) {
|
||
let result = [];
|
||
let it = iterator$1(tokens);
|
||
let hasSymbol;
|
||
while (it.next()) {
|
||
let { prev, curr, next } = it.get();
|
||
let isTimeSymbol = (
|
||
prev && next &&
|
||
curr.value === 'x' &&
|
||
prev.isNumber() &&
|
||
next.isNumber()
|
||
);
|
||
if (curr.isWord() && !hasSymbol && !isTimeSymbol) {
|
||
result.push(curr.value.trim());
|
||
} else {
|
||
result[result.length - 1] =
|
||
(result[result.length - 1] + curr.value).trim();
|
||
}
|
||
if (curr.isSymbol()) {
|
||
hasSymbol = true;
|
||
} else if (!curr.isSpace()) {
|
||
hasSymbol = false;
|
||
}
|
||
}
|
||
return result;
|
||
}
|
||
|
||
function splitTimes(name, object) {
|
||
let target = Object.assign({}, object);
|
||
if (/\*\s*[0-9]/.test(name)) {
|
||
let [tokenName, times] = name.split('*');
|
||
if (times) {
|
||
target.times = times.trim();
|
||
target.pureName = tokenName.trim();
|
||
}
|
||
}
|
||
return target;
|
||
}
|
||
|
||
function isSkip(...names) {
|
||
return names.some(n => n === 'style');
|
||
}
|
||
|
||
function isBlock(type) {
|
||
return type === 'block';
|
||
}
|
||
|
||
function skipHeadSVG(block) {
|
||
let head = block && block.value && block.value[0];
|
||
if (head && head.name === 'svg' && isBlock(head.type)) {
|
||
return skipHeadSVG(head);
|
||
} else {
|
||
return block;
|
||
}
|
||
}
|
||
|
||
function parse$7(source, root) {
|
||
let iter = iterator$1(scan(source));
|
||
let tokens = walk$1(iter, root || {
|
||
type: 'block',
|
||
name: 'svg',
|
||
value: []
|
||
});
|
||
return skipHeadSVG(tokens);
|
||
}
|
||
|
||
function generate$2(token, last) {
|
||
let result = '';
|
||
if (token.type === 'block') {
|
||
let isInline = Array.isArray(token.value) && token.value[0] && token.value[0].inline;
|
||
if (token.times) {
|
||
result += ('@M' + token.times + '(' + token.pureName + '{');
|
||
} else {
|
||
result += token.name + (isInline ? ' ' : '{');
|
||
}
|
||
if (Array.isArray(token.value) && token.value.length) {
|
||
let lastGroup = '';
|
||
for (let t of token.value) {
|
||
result += generate$2(t, lastGroup); if (t.origin) {
|
||
lastGroup = t.origin.name.join(',');
|
||
}
|
||
}
|
||
}
|
||
if (token.times) {
|
||
result += '})';
|
||
} else if (!isInline) {
|
||
result += '}';
|
||
}
|
||
} else if (token.type === 'statement') {
|
||
let skip = (token.origin && last === token.origin.name.join(','));
|
||
let name = token.origin ? token.origin.name.join(',') : token.name;
|
||
let value = token.origin ? token.origin.value : token.value;
|
||
if (!skip) {
|
||
result += (value && value.type)
|
||
? (name + ':' + generate$2(value))
|
||
: (name + ':' + value + ';');
|
||
}
|
||
}
|
||
return result;
|
||
}
|
||
|
||
function generate_svg_extended(token) {
|
||
return generate$2(token).trim();
|
||
}
|
||
|
||
function make_array(arr) {
|
||
if (is_nil(arr)) return [];
|
||
return Array.isArray(arr) ? arr : [arr];
|
||
}
|
||
|
||
function join(arr, spliter = '\n') {
|
||
return (arr || []).join(spliter);
|
||
}
|
||
|
||
function last(arr, n = 1) {
|
||
if (is_nil(arr)) return '';
|
||
return arr[arr.length - n];
|
||
}
|
||
|
||
function first(arr) {
|
||
return arr[0];
|
||
}
|
||
|
||
function clone(arr) {
|
||
return JSON.parse(JSON.stringify(arr));
|
||
}
|
||
|
||
function duplicate(arr) {
|
||
return [].concat(arr, arr);
|
||
}
|
||
|
||
function flat_map(arr, fn) {
|
||
if (Array.prototype.flatMap) return arr.flatMap(fn);
|
||
return arr.reduce((acc, x) => acc.concat(fn(x)), []);
|
||
}
|
||
|
||
function remove_empty_values(arr) {
|
||
return arr.filter(v => (
|
||
!is_nil(v) && String(v).trim().length
|
||
));
|
||
}
|
||
|
||
// I need to rewrite this
|
||
|
||
const Tokens = {
|
||
func(name = '') {
|
||
return {
|
||
type: 'func',
|
||
name,
|
||
arguments: []
|
||
};
|
||
},
|
||
argument() {
|
||
return {
|
||
type: 'argument',
|
||
value: []
|
||
};
|
||
},
|
||
text(value = '') {
|
||
return {
|
||
type: 'text',
|
||
value
|
||
};
|
||
},
|
||
pseudo(selector = '') {
|
||
return {
|
||
type: 'pseudo',
|
||
selector,
|
||
styles: []
|
||
};
|
||
},
|
||
cond(name = '') {
|
||
return {
|
||
type: 'cond',
|
||
name,
|
||
styles: [],
|
||
arguments: []
|
||
};
|
||
},
|
||
rule(property = '') {
|
||
return {
|
||
type: 'rule',
|
||
property,
|
||
value: []
|
||
};
|
||
},
|
||
keyframes(name = '') {
|
||
return {
|
||
type: 'keyframes',
|
||
name,
|
||
steps: []
|
||
}
|
||
},
|
||
|
||
step(name = '') {
|
||
return {
|
||
type: 'step',
|
||
name,
|
||
styles: []
|
||
}
|
||
}
|
||
};
|
||
|
||
const is = {
|
||
white_space(c) {
|
||
return /[\s\n\t]/.test(c);
|
||
},
|
||
line_break(c) {
|
||
return /\n/.test(c);
|
||
},
|
||
number(n) {
|
||
return !isNaN(n);
|
||
},
|
||
pair(n) {
|
||
return ['"', '(', ')', "'"].includes(n);
|
||
},
|
||
pair_of(c, n) {
|
||
return ({ '"': '"', "'": "'", '(': ')' })[c] == n;
|
||
}
|
||
};
|
||
|
||
// This should not be in the parser
|
||
// but I'll leave it here until the rewriting
|
||
const symbols = {
|
||
'π': Math.PI,
|
||
'∏': Math.PI
|
||
};
|
||
|
||
function composible(name) {
|
||
return ['@canvas', '@shaders', '@doodle'].includes(name);
|
||
}
|
||
|
||
function iterator(input = '') {
|
||
let index = 0, col = 1, line = 1;
|
||
return {
|
||
curr(n = 0) {
|
||
return input[index + n];
|
||
},
|
||
end() {
|
||
return input.length <= index;
|
||
},
|
||
info() {
|
||
return { index, col, line };
|
||
},
|
||
index(n) {
|
||
return (n === undefined ? index : index = n);
|
||
},
|
||
range(start, end) {
|
||
return input.substring(start, end);
|
||
},
|
||
next() {
|
||
let next = input[index++];
|
||
if (next == '\n') line++, col = 0;
|
||
else col++;
|
||
return next;
|
||
}
|
||
};
|
||
}
|
||
|
||
function throw_error(msg, { col, line }) {
|
||
console.warn(
|
||
`(at line ${ line }, column ${ col }) ${ msg }`
|
||
);
|
||
}
|
||
|
||
function get_text_value(input) {
|
||
if (input.trim().length) {
|
||
return is.number(+input) ? +input : input.trim()
|
||
} else {
|
||
return input;
|
||
}
|
||
}
|
||
|
||
function read_until(fn) {
|
||
return function(it, reset) {
|
||
let index = it.index();
|
||
let word = '';
|
||
while (!it.end()) {
|
||
let c = it.next();
|
||
if (fn(c)) break;
|
||
else word += c;
|
||
}
|
||
if (reset) {
|
||
it.index(index);
|
||
}
|
||
return word;
|
||
}
|
||
}
|
||
|
||
function read_word(it, reset) {
|
||
let check = c => /[^\w@]/.test(c);
|
||
return read_until(check)(it, reset);
|
||
}
|
||
|
||
function read_keyframe_name(it) {
|
||
return read_until(c => /[\s\{]/.test(c))(it);
|
||
}
|
||
|
||
function read_line(it, reset) {
|
||
let check = c => is.line_break(c) || c == '{';
|
||
return read_until(check)(it, reset);
|
||
}
|
||
|
||
function read_step(it, extra) {
|
||
let c, step = Tokens.step();
|
||
while (!it.end()) {
|
||
if ((c = it.curr()) == '}') break;
|
||
if (is.white_space(c)) {
|
||
it.next();
|
||
continue;
|
||
}
|
||
else if (!step.name.length) {
|
||
step.name = read_selector(it);
|
||
}
|
||
else {
|
||
step.styles.push(read_rule(it, extra));
|
||
if (it.curr() == '}') break;
|
||
}
|
||
it.next();
|
||
}
|
||
return step;
|
||
}
|
||
|
||
function read_steps(it, extra) {
|
||
const steps = [];
|
||
let c;
|
||
while (!it.end()) {
|
||
if ((c = it.curr()) == '}') break;
|
||
else if (is.white_space(c)) {
|
||
it.next();
|
||
continue;
|
||
}
|
||
else {
|
||
steps.push(read_step(it, extra));
|
||
}
|
||
it.next();
|
||
}
|
||
return steps;
|
||
}
|
||
|
||
function read_keyframes(it, extra) {
|
||
let keyframes = Tokens.keyframes(), c;
|
||
while (!it.end()) {
|
||
if ((c = it.curr()) == '}') break;
|
||
else if (!keyframes.name.length) {
|
||
read_word(it);
|
||
keyframes.name = read_keyframe_name(it);
|
||
if (!keyframes.name.length) {
|
||
throw_error('missing keyframes name', it.info());
|
||
break;
|
||
}
|
||
continue;
|
||
}
|
||
else if (c == '{' || it.curr(-1) == '{') {
|
||
it.next();
|
||
keyframes.steps = read_steps(it, extra);
|
||
break;
|
||
}
|
||
it.next();
|
||
}
|
||
return keyframes;
|
||
}
|
||
|
||
function read_comments(it, flag = {}) {
|
||
it.next();
|
||
while (!it.end()) {
|
||
let c = it.curr();
|
||
if (flag.inline) {
|
||
if (c == '\n') break;
|
||
}
|
||
else {
|
||
if ((c = it.curr()) == '*' && it.curr(1) == '/') break;
|
||
}
|
||
it.next();
|
||
}
|
||
if (!flag.inline) {
|
||
it.next(); it.next();
|
||
}
|
||
}
|
||
|
||
function skip_tag(it) {
|
||
it.next();
|
||
while(!it.end()) {
|
||
let c = it.curr();
|
||
if (c == '>') break;
|
||
it.next();
|
||
}
|
||
}
|
||
|
||
function read_property(it) {
|
||
let prop = '', c;
|
||
while (!it.end()) {
|
||
if ((c = it.curr()) == ':') break;
|
||
else if (!is.white_space(c)) prop += c;
|
||
it.next();
|
||
}
|
||
return prop;
|
||
}
|
||
|
||
function read_arguments(it, composition, doodle) {
|
||
let args = [], group = [], stack = [], arg = '', c;
|
||
let raw = '';
|
||
while (!it.end()) {
|
||
c = it.curr();
|
||
let start = it.index();
|
||
if ((/[\('"`]/.test(c) && it.curr(-1) !== '\\')) {
|
||
if (stack.length) {
|
||
if ((c !== '(') && last(stack) === '(') {
|
||
stack.pop();
|
||
}
|
||
if (c != '(' && c === last(stack)) {
|
||
stack.pop();
|
||
} else {
|
||
stack.push(c);
|
||
}
|
||
} else {
|
||
stack.push(c);
|
||
}
|
||
arg += c;
|
||
}
|
||
else if (c == '@' && !doodle) {
|
||
if (!group.length) {
|
||
arg = arg.trimLeft();
|
||
}
|
||
if (arg.length) {
|
||
group.push(Tokens.text(arg));
|
||
arg = '';
|
||
}
|
||
group.push(read_func(it));
|
||
}
|
||
else if (doodle && /[)]/.test(c) || (!doodle && /[,)]/.test(c))) {
|
||
if (stack.length) {
|
||
if (c == ')' && last(stack) === '(') {
|
||
stack.pop();
|
||
}
|
||
arg += c;
|
||
}
|
||
else {
|
||
if (arg.length) {
|
||
if (!group.length) {
|
||
group.push(Tokens.text(get_text_value(arg)));
|
||
} else if (/\S/.test(arg)) {
|
||
group.push(Tokens.text(arg));
|
||
}
|
||
if (arg.startsWith('±') && !doodle) {
|
||
let raw = arg.substr(1);
|
||
let cloned = clone(group);
|
||
last(cloned).value = '-' + raw;
|
||
args.push(normalize_argument(cloned));
|
||
last(group).value = raw;
|
||
}
|
||
}
|
||
|
||
args.push(normalize_argument(group));
|
||
|
||
[group, arg] = [[], ''];
|
||
|
||
if (c == ')') break;
|
||
}
|
||
}
|
||
else {
|
||
if (symbols[c] && !/[0-9]/.test(it.curr(-1))) {
|
||
c = symbols[c];
|
||
}
|
||
arg += c;
|
||
}
|
||
if (composition && (it.curr(1) == ')' || !/[0-9a-zA-Z_\-.]/.test(it.curr())) && !stack.length) {
|
||
if (group.length) {
|
||
args.push(normalize_argument(group));
|
||
}
|
||
break;
|
||
}
|
||
else {
|
||
raw += it.range(start, it.index() + 1);
|
||
it.next();
|
||
}
|
||
}
|
||
return [skip_last_empty_args(args), raw];
|
||
}
|
||
|
||
function skip_last_empty_args(args) {
|
||
let arg = last(args[0]);
|
||
if (arg && arg.type === 'text' && !String(arg.value).trim().length) {
|
||
args[0] = args[0].slice(0, -1);
|
||
}
|
||
return args;
|
||
}
|
||
|
||
function normalize_argument(group) {
|
||
let result = group.map(arg => {
|
||
if (arg.type == 'text' && typeof arg.value == 'string') {
|
||
let value = String(arg.value);
|
||
if (value.includes('`')) {
|
||
arg.value = value = value.replace(/`/g, '"');
|
||
}
|
||
arg.value = value;
|
||
}
|
||
return arg;
|
||
});
|
||
|
||
let ft = first(result) || {};
|
||
let ed = last(result) || {};
|
||
if (ft.type == 'text' && ed.type == 'text') {
|
||
let cf = first(ft.value);
|
||
let ce = last(ed.value);
|
||
if (typeof ft.value == 'string' && typeof ed.value == 'string') {
|
||
if (is.pair_of(cf, ce)) {
|
||
ft.value = ft.value.slice(1);
|
||
ed.value = ed.value.slice(0, ed.value.length - 1);
|
||
result.cluster = true;
|
||
}
|
||
}
|
||
}
|
||
|
||
return result;
|
||
}
|
||
|
||
function seperate_func_name(name) {
|
||
let fname = '', extra = '';
|
||
if ((/\D$/.test(name) && !/\d+[x-]\d+/.test(name)) || Math[name.substr(1)]) {
|
||
return { fname: name, extra }
|
||
}
|
||
for (let i = name.length - 1; i >= 0; i--) {
|
||
let c = name[i];
|
||
let prev = name[i - 1];
|
||
let next = name[i + 1];
|
||
if (/[\d.]/.test(c) || ((c == 'x' || c == '-') && /\d/.test(prev) && /\d/.test(next))) {
|
||
extra = c + extra;
|
||
} else {
|
||
fname = name.substring(0, i + 1);
|
||
break;
|
||
}
|
||
}
|
||
return { fname, extra };
|
||
}
|
||
|
||
function has_times_syntax(token) {
|
||
let str = JSON.stringify(token);
|
||
return str.includes('pureName') && str.includes('times');
|
||
}
|
||
|
||
function read_func(it) {
|
||
let func = Tokens.func();
|
||
let name = '@', c;
|
||
let has_argument = false;
|
||
it.next();
|
||
|
||
while (!it.end()) {
|
||
c = it.curr();
|
||
let composition = (c == '.' && it.curr(1) == '@');
|
||
let next = it.curr(1);
|
||
if (c == '(' || composition) {
|
||
has_argument = true;
|
||
it.next();
|
||
let [args, raw_args] = read_arguments(it, composition, composible(name));
|
||
if (name === '@svg' && /\d\s*{/.test(raw_args)) {
|
||
let parsed_svg = parse$7(raw_args);
|
||
if (has_times_syntax(parsed_svg)) {
|
||
let svg = generate_svg_extended(parsed_svg);
|
||
// compatible with old iterator
|
||
svg += ')';
|
||
let extended = read_arguments(iterator(svg), composition, composible(name));
|
||
args = extended[0];
|
||
}
|
||
}
|
||
func.arguments = args;
|
||
break;
|
||
} else if (!has_argument && next !== '(' && !/[0-9a-zA-Z_\-.]/.test(next)) {
|
||
name += c;
|
||
break;
|
||
}
|
||
else {
|
||
name += c;
|
||
}
|
||
it.next();
|
||
}
|
||
|
||
let { fname, extra } = seperate_func_name(name);
|
||
func.name = fname;
|
||
|
||
if (extra.length) {
|
||
func.arguments.unshift([{
|
||
type: 'text',
|
||
value: extra
|
||
}]);
|
||
}
|
||
|
||
func.position = it.info().index;
|
||
return func;
|
||
}
|
||
|
||
function read_value(it) {
|
||
let text = Tokens.text(), idx = 0, skip = true, c;
|
||
const value = [], stack = [];
|
||
value[idx] = [];
|
||
|
||
while (!it.end()) {
|
||
c = it.curr();
|
||
|
||
if (skip && is.white_space(c)) {
|
||
it.next();
|
||
continue;
|
||
} else {
|
||
skip = false;
|
||
}
|
||
|
||
if (c == '\n' && !is.white_space(it.curr(-1))) {
|
||
text.value += ' ';
|
||
}
|
||
else if (c == ',' && !stack.length) {
|
||
if (text.value.length) {
|
||
value[idx].push(text);
|
||
text = Tokens.text();
|
||
}
|
||
value[++idx] = [];
|
||
skip = true;
|
||
}
|
||
else if (/[;}<]/.test(c)) {
|
||
if (text.value.length) {
|
||
value[idx].push(text);
|
||
text = Tokens.text();
|
||
}
|
||
break;
|
||
}
|
||
else if (c == '@') {
|
||
if (text.value.length) {
|
||
value[idx].push(text);
|
||
text = Tokens.text();
|
||
}
|
||
value[idx].push(read_func(it));
|
||
}
|
||
else if (!is.white_space(c) || !is.white_space(it.curr(-1))) {
|
||
if (c == '(') stack.push(c);
|
||
if (c == ')') stack.pop();
|
||
|
||
if (symbols[c] && !/[0-9]/.test(it.curr(-1))) {
|
||
c = symbols[c];
|
||
}
|
||
|
||
text.value += c;
|
||
}
|
||
it.next();
|
||
}
|
||
if (text.value.length) {
|
||
value[idx].push(text);
|
||
}
|
||
return value;
|
||
}
|
||
|
||
function read_selector(it) {
|
||
let selector = '', c;
|
||
while (!it.end()) {
|
||
if ((c = it.curr()) == '{') break;
|
||
else if (!is.white_space(c)) {
|
||
selector += c;
|
||
}
|
||
it.next();
|
||
}
|
||
return selector;
|
||
}
|
||
|
||
function read_cond_selector(it) {
|
||
let selector = { name: '', arguments: [] }, c;
|
||
while (!it.end()) {
|
||
if ((c = it.curr()) == '(') {
|
||
it.next();
|
||
selector.arguments = read_arguments(it)[0];
|
||
}
|
||
else if (/[){]/.test(c)) break;
|
||
else if (!is.white_space(c)) selector.name += c;
|
||
it.next();
|
||
}
|
||
return selector;
|
||
}
|
||
|
||
function read_pseudo(it, extra) {
|
||
let pseudo = Tokens.pseudo(), c;
|
||
while (!it.end()) {
|
||
c = it.curr();
|
||
if (c == '/' && it.curr(1) == '*') {
|
||
read_comments(it);
|
||
}
|
||
else if (c == '}') {
|
||
break;
|
||
}
|
||
else if (is.white_space(c)) {
|
||
it.next();
|
||
continue;
|
||
}
|
||
else if (!pseudo.selector) {
|
||
pseudo.selector = read_selector(it);
|
||
}
|
||
else {
|
||
let rule = read_rule(it, extra);
|
||
if (rule.property == '@use') {
|
||
pseudo.styles = pseudo.styles.concat(
|
||
rule.value
|
||
);
|
||
} else {
|
||
pseudo.styles.push(rule);
|
||
}
|
||
if (it.curr() == '}') break;
|
||
}
|
||
it.next();
|
||
}
|
||
return pseudo;
|
||
}
|
||
|
||
function read_rule(it, extra) {
|
||
let rule = Tokens.rule(), c;
|
||
let start = it.index();
|
||
while (!it.end()) {
|
||
c = it.curr();
|
||
if (c == '/' && it.curr(1) == '*') {
|
||
read_comments(it);
|
||
}
|
||
else if (c == ';') {
|
||
break;
|
||
}
|
||
else if (!rule.property.length) {
|
||
rule.property = read_property(it);
|
||
if (rule.property == '@use') {
|
||
rule.value = read_var(it, extra);
|
||
break;
|
||
}
|
||
}
|
||
else {
|
||
rule.value = read_value(it);
|
||
break;
|
||
}
|
||
it.next();
|
||
}
|
||
let end = it.index();
|
||
rule.raw = () => it.range(start, end).trim();
|
||
return rule;
|
||
}
|
||
|
||
function read_cond(it, extra) {
|
||
let cond = Tokens.cond(), c;
|
||
while (!it.end()) {
|
||
c = it.curr();
|
||
if (c == '/' && it.curr(1) == '*') {
|
||
read_comments(it);
|
||
}
|
||
else if (c == '}') {
|
||
break;
|
||
}
|
||
else if (!cond.name.length) {
|
||
Object.assign(cond, read_cond_selector(it));
|
||
}
|
||
else if (c == ':') {
|
||
let pseudo = read_pseudo(it);
|
||
if (pseudo.selector) cond.styles.push(pseudo);
|
||
}
|
||
else if (c == '@' && !read_line(it, true).includes(':')) {
|
||
cond.styles.push(read_cond(it));
|
||
}
|
||
else if (!is.white_space(c)) {
|
||
let rule = read_rule(it, extra);
|
||
if (rule.property) cond.styles.push(rule);
|
||
if (it.curr() == '}') break;
|
||
}
|
||
it.next();
|
||
}
|
||
return cond;
|
||
}
|
||
|
||
function read_variable(extra, name) {
|
||
let rule = '';
|
||
if (extra && extra.get_variable) {
|
||
rule = extra.get_variable(name);
|
||
}
|
||
return rule;
|
||
}
|
||
|
||
function evaluate_value(values, extra) {
|
||
values.forEach && values.forEach(v => {
|
||
if (v.type == 'text' && v.value) {
|
||
let vars = parse$9(v.value);
|
||
v.value = vars.reduce((ret, p) => {
|
||
let rule = '', other = '', parsed;
|
||
rule = read_variable(extra, p.name);
|
||
if (!rule && p.fallback) {
|
||
p.fallback.every(n => {
|
||
other = read_variable(extra, n.name);
|
||
if (other) {
|
||
rule = other;
|
||
return false;
|
||
}
|
||
});
|
||
}
|
||
try {
|
||
parsed = parse$6(rule, extra);
|
||
} catch (e) { }
|
||
if (parsed) {
|
||
ret.push.apply(ret, parsed);
|
||
}
|
||
return ret;
|
||
}, []);
|
||
}
|
||
if (v.type == 'func' && v.arguments) {
|
||
v.arguments.forEach(arg => {
|
||
evaluate_value(arg, extra);
|
||
});
|
||
}
|
||
});
|
||
}
|
||
|
||
function read_var(it, extra) {
|
||
it.next();
|
||
let groups = read_value(it) || [];
|
||
return groups.reduce((ret, group) => {
|
||
evaluate_value(group, extra);
|
||
let [token] = group;
|
||
if (token.value && token.value.length) {
|
||
ret.push(...token.value);
|
||
}
|
||
return ret;
|
||
}, []);
|
||
}
|
||
|
||
function parse$6(input, extra) {
|
||
const it = iterator(input);
|
||
const Tokens = [];
|
||
while (!it.end()) {
|
||
let c = it.curr();
|
||
if (is.white_space(c)) {
|
||
it.next();
|
||
continue;
|
||
}
|
||
else if (c == '/' && it.curr(1) == '*') {
|
||
read_comments(it);
|
||
}
|
||
else if (c == ':') {
|
||
let pseudo = read_pseudo(it, extra);
|
||
if (pseudo.selector) Tokens.push(pseudo);
|
||
}
|
||
else if (c == '@' && read_word(it, true) === '@keyframes') {
|
||
let keyframes = read_keyframes(it, extra);
|
||
Tokens.push(keyframes);
|
||
}
|
||
else if (c == '@' && !read_line(it, true).includes(':')) {
|
||
let cond = read_cond(it, extra);
|
||
if (cond.name.length) Tokens.push(cond);
|
||
}
|
||
else if (c == '<') {
|
||
skip_tag(it);
|
||
}
|
||
else if (!is.white_space(c)) {
|
||
let rule = read_rule(it, extra);
|
||
if (rule.property) Tokens.push(rule);
|
||
}
|
||
it.next();
|
||
}
|
||
return Tokens;
|
||
}
|
||
|
||
function parse_grid(size, GRID = 64) {
|
||
const [min, max, total] = [1, GRID, GRID * GRID];
|
||
|
||
let [x, y, z] = (size + '')
|
||
.replace(/\s+/g, '')
|
||
.replace(/[,，xX]+/g, 'x')
|
||
.split('x')
|
||
.map(n => parseInt(n));
|
||
|
||
const max_xy = (x == 1 || y == 1) ? total : max;
|
||
const max_z = (x == 1 && y == 1) ? total : min;
|
||
|
||
const ret = {
|
||
x: clamp(x || min, 1, max_xy),
|
||
y: clamp(y || x || min, 1, max_xy),
|
||
z: clamp(z || min, 1, max_z)
|
||
};
|
||
|
||
return Object.assign({}, ret, {
|
||
count: ret.x * ret.y * ret.z,
|
||
ratio: ret.x / ret.y
|
||
});
|
||
}
|
||
|
||
function parse$5(input) {
|
||
let scanOptions = {
|
||
preserveLineBreak: true,
|
||
ignoreInlineComment: true,
|
||
};
|
||
let iter = iterator$1(removeParens(scan(input, scanOptions)));
|
||
let stack = [];
|
||
let tokens = [];
|
||
let identifier;
|
||
let line;
|
||
let result = {
|
||
textures: [],
|
||
};
|
||
while (iter.next()) {
|
||
let { curr, next } = iter.get();
|
||
if (curr.isSymbol('{')) {
|
||
if (!stack.length) {
|
||
let name = joinToken$1(tokens);
|
||
if (isIdentifier(name)) {
|
||
identifier = name;
|
||
tokens = [];
|
||
} else {
|
||
tokens.push(curr);
|
||
}
|
||
} else {
|
||
tokens.push(curr);
|
||
}
|
||
stack.push('{');
|
||
}
|
||
else if (curr.isSymbol('}')) {
|
||
stack.pop();
|
||
if (!stack.length && identifier) {
|
||
let value = joinToken$1(tokens);
|
||
if (identifier && value.length) {
|
||
if (identifier.startsWith('texture')) {
|
||
result.textures.push({
|
||
name: identifier,
|
||
value
|
||
});
|
||
} else {
|
||
result[identifier] = value;
|
||
}
|
||
tokens = [];
|
||
}
|
||
identifier = null;
|
||
} else {
|
||
tokens.push(curr);
|
||
}
|
||
}
|
||
else {
|
||
if (!is_empty(line) && line != curr.pos[1]) {
|
||
tokens.push(lineBreak());
|
||
line = null;
|
||
}
|
||
if (curr.isWord() && curr.value.startsWith('#')) {
|
||
tokens.push(lineBreak());
|
||
line = next.pos[1];
|
||
}
|
||
tokens.push(curr);
|
||
}
|
||
}
|
||
|
||
if (is_empty(result.fragment)) {
|
||
result.fragment = joinToken$1(tokens);
|
||
result.textures = result.textures || [];
|
||
}
|
||
return result;
|
||
}
|
||
|
||
function isIdentifier(name) {
|
||
return /^texture\w*$|^(fragment|vertex)$/.test(name);
|
||
}
|
||
|
||
function lineBreak() {
|
||
return new Token({ type: 'LineBreak', value: '\n' });
|
||
}
|
||
|
||
function removeParens(tokens) {
|
||
let head = tokens[0];
|
||
let last = tokens[tokens.length - 1];
|
||
while (head && head.isSymbol('(') && last && last.isSymbol(')')) {
|
||
tokens = tokens.slice(1, tokens.length - 1);
|
||
head = tokens[0];
|
||
last = tokens[tokens.length - 1];
|
||
}
|
||
return tokens;
|
||
}
|
||
|
||
function joinToken$1(tokens) {
|
||
return removeParens(tokens).map(n => n.value).join('');
|
||
}
|
||
|
||
const NS$1 = 'http://www.w3.org/2000/svg';
|
||
const NSXLink$1 = 'http://www.w3.org/1999/xlink';
|
||
|
||
function create_svg_url(svg, id) {
|
||
let encoded = encodeURIComponent(svg) + (id ? `#${ id }` : '');
|
||
return `url("data:image/svg+xml;utf8,${ encoded }")`;
|
||
}
|
||
|
||
function normalize_svg(input) {
|
||
const xmlns = `xmlns="${ NS$1 }"`;
|
||
const xmlnsXLink = `xmlns:xlink="${ NSXLink$1 }"`;
|
||
if (!input.includes('<svg')) {
|
||
input = `<svg ${ xmlns } ${ xmlnsXLink }>${ input }</svg>`;
|
||
}
|
||
if (!input.includes('xmlns')) {
|
||
input = input.replace(/<svg([\s>])/, `<svg ${ xmlns } ${ xmlnsXLink }$1`);
|
||
}
|
||
return input;
|
||
}
|
||
|
||
const NS = 'http://www.w3.org/2000/svg';
|
||
const NSXLink = 'http://www.w3.org/1999/xlink';
|
||
const nextId$1 = next_id();
|
||
|
||
class Tag {
|
||
constructor(name, value = '') {
|
||
if (!name) {
|
||
throw new Error("Tag name is required");
|
||
}
|
||
this.name = name;
|
||
this.body = [];
|
||
this.attrs = {};
|
||
if (this.isTextNode()) {
|
||
this.body = value;
|
||
}
|
||
}
|
||
isTextNode() {
|
||
return this.name === 'text-node';
|
||
}
|
||
find(target) {
|
||
let id = target.attrs.id;
|
||
let name = target.name;
|
||
if (Array.isArray(this.body) && id !== undefined) {
|
||
return this.body.find(tag => tag.attrs.id === id && tag.name === name);
|
||
}
|
||
}
|
||
append(tag) {
|
||
if (!this.isTextNode()) {
|
||
this.body.push(tag);
|
||
}
|
||
}
|
||
merge(tag) {
|
||
for (let [name, value] of Object.entries(tag.attrs)) {
|
||
this.attrs[name] = value;
|
||
}
|
||
if (Array.isArray(tag.body)) {
|
||
this.body.push(...tag.body);
|
||
}
|
||
}
|
||
attr(name, value) {
|
||
if (!this.isTextNode()) {
|
||
if (value === undefined) {
|
||
return this.attrs[name];
|
||
}
|
||
return this.attrs[name] = value;
|
||
}
|
||
}
|
||
toString() {
|
||
if (this.isTextNode()) {
|
||
return removeQuotes(this.body);
|
||
}
|
||
let attrs = [''];
|
||
let body = [];
|
||
for (let [name, value] of Object.entries(this.attrs)) {
|
||
value = removeQuotes(value);
|
||
attrs.push(`${name}="${value}"`);
|
||
}
|
||
for (let tag of this.body) {
|
||
body.push(tag.toString());
|
||
}
|
||
return `<${this.name}${attrs.join(' ')}>${body.join('')}</${this.name}>`;
|
||
}
|
||
}
|
||
|
||
function composeStyleRule(name, value) {
|
||
return `${name}:${value};`
|
||
}
|
||
|
||
function composeStyle(block) {
|
||
const style = block.value
|
||
.map(n => (n.type === 'block') ? composeStyle(n) : composeStyleRule(n.name, n.value))
|
||
.join('');
|
||
return `${block.name}{${style}}`;
|
||
}
|
||
|
||
function removeQuotes(text) {
|
||
text = String(text);
|
||
let double = text.startsWith('"') && text.endsWith('"');
|
||
let single = text.startsWith("'") && text.endsWith("'");
|
||
if (double || single) {
|
||
return text.substring(1, text.length - 1);
|
||
}
|
||
return text;
|
||
}
|
||
|
||
function generate$1(token, element, parent, root) {
|
||
let inlineId;
|
||
if (!element) {
|
||
element = new Tag('root');
|
||
}
|
||
if (token.type === 'block') {
|
||
// style tag
|
||
if (token.name === 'style') {
|
||
if (Array.isArray(token.value)) {
|
||
let el = new Tag('style');
|
||
let styles = [];
|
||
for (let block of token.value) {
|
||
if (block.type === 'block') {
|
||
styles.push(composeStyle(block));
|
||
}
|
||
}
|
||
el.append(styles.join(''));
|
||
element.append(el);
|
||
}
|
||
}
|
||
// normal svg elements
|
||
else {
|
||
let el = new Tag(token.name);
|
||
if (!root) {
|
||
root = el;
|
||
root.attr('xmlns', NS);
|
||
}
|
||
for (let block of token.value) {
|
||
let id = generate$1(block, el, token, root);
|
||
if (id) { inlineId = id; }
|
||
}
|
||
// generate id for inline block if no id is found
|
||
if (token.inline) {
|
||
let found = token.value.find(n => n.type === 'statement' && n.name === 'id');
|
||
if (found) {
|
||
inlineId = found.value;
|
||
} else {
|
||
inlineId = nextId$1(token.name);
|
||
el.attr('id', inlineId);
|
||
}
|
||
}
|
||
let existedTag = root.find(el);
|
||
if (existedTag) {
|
||
existedTag.merge(el);
|
||
} else {
|
||
element.append(el);
|
||
}
|
||
}
|
||
}
|
||
if (token.type === 'statement') {
|
||
if (token.name === 'content') {
|
||
let text = new Tag('text-node', token.value);
|
||
element.append(text);
|
||
}
|
||
// inline style
|
||
else if (token.name.startsWith('style ')) {
|
||
let name = (token.name.split('style ')[1] || '').trim();
|
||
if (name.length) {
|
||
let style = element.attr('style') || '';
|
||
element.attr('style', style + composeStyleRule(name, token.value));
|
||
}
|
||
}
|
||
else {
|
||
let value = token.value;
|
||
// handle inline block value
|
||
if (value && value.type === 'block') {
|
||
let id = generate$1(token.value, root, token, root);
|
||
value = `url(#${id})`;
|
||
if (token.name === 'xlink:href' || token.name === 'href') {
|
||
value = `#${id}`;
|
||
}
|
||
}
|
||
element.attr(token.name, value);
|
||
if (token.name.includes('xlink:')) {
|
||
root.attr('xmlns:xlink', NSXLink);
|
||
}
|
||
}
|
||
}
|
||
if (!parent) {
|
||
return root.toString();
|
||
}
|
||
return inlineId;
|
||
}
|
||
|
||
function generate_svg(token) {
|
||
return generate$1(token);
|
||
}
|
||
|
||
function parse$4(input) {
|
||
let iter = iterator$1(scan(input));
|
||
let ret = {};
|
||
let matched = false;
|
||
while (iter.next()) {
|
||
let { prev, curr, next} = iter.get();
|
||
let isUnit = matched
|
||
&& (curr.isWord() || curr.isSymbol())
|
||
&& prev && prev.isNumber()
|
||
&& !next;
|
||
if (curr.isNumber()) {
|
||
ret.value = Number(curr.value);
|
||
matched = true;
|
||
}
|
||
else if (isUnit) {
|
||
ret.unit = curr.value;
|
||
} else {
|
||
break;
|
||
}
|
||
}
|
||
return ret;
|
||
}
|
||
|
||
function by_unit(fn) {
|
||
return (...args) => {
|
||
let units = [], values = [];
|
||
for (let arg of args) {
|
||
let { unit, value } = parse$4(arg);
|
||
if (unit !== undefined) {
|
||
units.push(unit);
|
||
}
|
||
if (value !== undefined) {
|
||
values.push(value);
|
||
}
|
||
}
|
||
let result = fn(...values);
|
||
let unit = units.find(n => n !== undefined);
|
||
if (unit === undefined) {
|
||
return result;
|
||
}
|
||
if (Array.isArray(result)) {
|
||
return result.map(n => n + unit);
|
||
}
|
||
return result + unit;
|
||
}
|
||
}
|
||
|
||
function by_charcode(fn) {
|
||
return (...args) => {
|
||
let codes = args.map(n => String(n).charCodeAt(0));
|
||
let result = fn(...codes);
|
||
return Array.isArray(result)
|
||
? result.map(n => String.fromCharCode(n))
|
||
: String.fromCharCode(result);
|
||
}
|
||
}
|
||
|
||
/**
|
||
* Based on the Shunting-yard algorithm.
|
||
*/
|
||
|
||
const default_context = {
|
||
'π': Math.PI,
|
||
gcd: (a, b) => {
|
||
while (b) [a, b] = [b, a % b];
|
||
return a;
|
||
}
|
||
};
|
||
|
||
const operator = {
|
||
'^': 7,
|
||
'*': 6, '/': 6, '÷': 6, '%': 6,
|
||
'&': 5, '|': 5,
|
||
'+': 4, '-': 4,
|
||
'<': 3, '<<': 3,
|
||
'>': 3, '>>': 3,
|
||
'=': 3, '==': 3,
|
||
'≤': 3, '<=': 3,
|
||
'≥': 3, '>=': 3,
|
||
'≠': 3, '!=': 3,
|
||
'∧': 2, '&&': 2,
|
||
'∨': 2, '||': 2,
|
||
'(': 1 , ')': 1,
|
||
};
|
||
|
||
function calc(expr, context, repeat = []) {
|
||
let stack = [];
|
||
while (expr.length) {
|
||
let { name, value, type } = expr.shift();
|
||
if (type === 'variable') {
|
||
let result = context[value];
|
||
if (is_invalid_number(result)) {
|
||
result = Math[value];
|
||
}
|
||
if (is_invalid_number(result)) {
|
||
result = expand$1(value, context);
|
||
}
|
||
if (is_invalid_number(result)) {
|
||
if (/^\-\D/.test(value)) {
|
||
result = expand$1('-1' + value.substr(1), context);
|
||
}
|
||
}
|
||
if (result === undefined) {
|
||
result = 0;
|
||
}
|
||
if (typeof result !== 'number') {
|
||
repeat.push(result);
|
||
if (is_cycle(repeat)) {
|
||
result = 0;
|
||
repeat = [];
|
||
} else {
|
||
result = calc(infix_to_postfix(result), context, repeat);
|
||
}
|
||
}
|
||
stack.push(result);
|
||
}
|
||
else if (type === 'function') {
|
||
let negative = false;
|
||
if (/^\-/.test(name)) {
|
||
negative = true;
|
||
name = name.substr(1);
|
||
}
|
||
let output = value.map(v => calc(v, context));
|
||
let fns = name.split('.');
|
||
let fname;
|
||
while (fname = fns.pop()) {
|
||
if (!fname) continue;
|
||
let fn = context[fname] || Math[fname];
|
||
output = (typeof fn === 'function')
|
||
? (Array.isArray(output) ? fn(...output) : fn(output))
|
||
: 0;
|
||
}
|
||
if (negative) {
|
||
output = -1 * output;
|
||
}
|
||
stack.push(output);
|
||
} else {
|
||
if (/\d+/.test(value)) stack.push(value);
|
||
else {
|
||
let right = stack.pop();
|
||
let left = stack.pop();
|
||
stack.push(compute(
|
||
value, Number(left), Number(right)
|
||
));
|
||
}
|
||
}
|
||
}
|
||
return Number(stack[0]) || 0;
|
||
}
|
||
|
||
function get_tokens$1(input) {
|
||
let expr = String(input);
|
||
let tokens = [], num = '';
|
||
|
||
for (let i = 0; i < expr.length; ++i) {
|
||
let c = expr[i];
|
||
if (operator[c]) {
|
||
let last_token = last(tokens);
|
||
if (c == '=' && last_token && /^[!<>=]$/.test(last_token.value)) {
|
||
last_token.value += c;
|
||
}
|
||
else if (/^[|&<>]$/.test(c) && last_token && last_token.value == c) {
|
||
last_token.value += c;
|
||
}
|
||
else if (c == '-' && expr[i - 1] == 'e') {
|
||
num += c;
|
||
}
|
||
else if (!tokens.length && !num.length && /[+-]/.test(c)) {
|
||
num += c;
|
||
} else {
|
||
let { type, value } = last_token || {};
|
||
if (type == 'operator'
|
||
&& !num.length
|
||
&& /[^()]/.test(c)
|
||
&& /[^()]/.test(value)) {
|
||
num += c;
|
||
} else {
|
||
if (num.length) {
|
||
tokens.push({ type: 'number', value: num });
|
||
num = '';
|
||
}
|
||
tokens.push({ type: 'operator', value: c });
|
||
}
|
||
}
|
||
}
|
||
else if (/\S/.test(c)) {
|
||
if (c == ',') {
|
||
tokens.push({ type: 'number', value: num });
|
||
num = '';
|
||
tokens.push({ type: 'comma', value: c });
|
||
} else if (c == '!') {
|
||
tokens.push({ type: 'number', value: num });
|
||
tokens.push({ type: 'operator', value: c });
|
||
num = '';
|
||
} else {
|
||
num += c;
|
||
}
|
||
}
|
||
}
|
||
|
||
if (num.length) {
|
||
tokens.push({ type: 'number', value: num });
|
||
}
|
||
return tokens;
|
||
}
|
||
|
||
function infix_to_postfix(input) {
|
||
let tokens = get_tokens$1(input);
|
||
const op_stack = [], expr = [];
|
||
|
||
for (let i = 0; i < tokens.length; ++i) {
|
||
let { type, value } = tokens[i];
|
||
let next = tokens[i + 1] || {};
|
||
if (type == 'number') {
|
||
if (next.value == '(' && /[^\d.\-]/.test(value)) {
|
||
let func_body = '';
|
||
let stack = [];
|
||
let values = [];
|
||
|
||
i += 1;
|
||
while (tokens[i++] !== undefined) {
|
||
let token = tokens[i];
|
||
if (token === undefined) break;
|
||
let c = token.value;
|
||
if (c == ')') {
|
||
if (!stack.length) break;
|
||
stack.pop();
|
||
func_body += c;
|
||
}
|
||
else {
|
||
if (c == '(') stack.push(c);
|
||
if (c == ',' && !stack.length) {
|
||
let arg = infix_to_postfix(func_body);
|
||
if (arg.length) values.push(arg);
|
||
func_body = '';
|
||
} else {
|
||
func_body += c;
|
||
}
|
||
}
|
||
}
|
||
|
||
if (func_body.length) {
|
||
values.push(infix_to_postfix(func_body));
|
||
}
|
||
|
||
expr.push({
|
||
type: 'function',
|
||
name: value,
|
||
value: values
|
||
});
|
||
}
|
||
else if (/[^\d.\-]/.test(value)) {
|
||
expr.push({ type: 'variable', value });
|
||
}
|
||
else {
|
||
expr.push({ type: 'number', value });
|
||
}
|
||
}
|
||
|
||
else if (type == 'operator') {
|
||
if (value == '(') {
|
||
op_stack.push(value);
|
||
}
|
||
|
||
else if (value == ')') {
|
||
while (op_stack.length && last(op_stack) != '(') {
|
||
expr.push({ type: 'operator', value: op_stack.pop() });
|
||
}
|
||
op_stack.pop();
|
||
}
|
||
|
||
else {
|
||
while (op_stack.length && operator[last(op_stack)] >= operator[value]) {
|
||
let op = op_stack.pop();
|
||
if (!/[()]/.test(op)) expr.push({ type: 'operator', value: op });
|
||
}
|
||
op_stack.push(value);
|
||
}
|
||
}
|
||
}
|
||
|
||
while (op_stack.length) {
|
||
expr.push({ type: 'operator', value: op_stack.pop() });
|
||
}
|
||
|
||
return expr;
|
||
}
|
||
|
||
function compute(op, a, b) {
|
||
switch (op) {
|
||
case '+': return a + b;
|
||
case '-': return a - b;
|
||
case '*': return a * b;
|
||
case '%': return a % b;
|
||
case '|': return a | b;
|
||
case '&': return a & b;
|
||
case '<': return a < b;
|
||
case '>': return a > b;
|
||
case '^': return Math.pow(a, b);
|
||
case '÷': case '/': return a / b;
|
||
case '=': case '==': return a == b;
|
||
case '≤': case '<=': return a <= b;
|
||
case '≥': case '>=': return a >= b;
|
||
case '≠': case '!=': return a != b;
|
||
case '∧': case '&&': return a && b;
|
||
case '∨': case '||': return a || b;
|
||
case '<<': return a << b;
|
||
case '>>': return a >> b;
|
||
}
|
||
}
|
||
|
||
function expand$1(value, context) {
|
||
let [_, num, variable] = value.match(/([\d.\-]+)(.*)/) || [];
|
||
let v = context[variable];
|
||
if (v === undefined) {
|
||
return v;
|
||
}
|
||
if (typeof v === 'number') {
|
||
return Number(num) * v;
|
||
} else {
|
||
return num * calc(infix_to_postfix(v), context);
|
||
}
|
||
}
|
||
|
||
function is_cycle(array) {
|
||
return (array[0] == array[2] && array[1] == array[3]);
|
||
}
|
||
|
||
function calc$1(input, context) {
|
||
const expr = infix_to_postfix(input);
|
||
return calc(expr, Object.assign({}, default_context, context));
|
||
}
|
||
|
||
class CacheValue {
|
||
constructor() {
|
||
this.cache = {};
|
||
}
|
||
clear() {
|
||
this.cache = {};
|
||
}
|
||
set(input, value) {
|
||
if (is_nil(input)) {
|
||
return '';
|
||
}
|
||
let key = this.getKey(input);
|
||
return this.cache[key] = value;
|
||
}
|
||
get(input) {
|
||
let key = this.getKey(input);
|
||
return this.cache[key];
|
||
}
|
||
getKey(input) {
|
||
return (typeof input === 'string')
|
||
? hash(input)
|
||
: hash(JSON.stringify(input));
|
||
}
|
||
}
|
||
|
||
var Cache = new CacheValue();
|
||
|
||
function memo(prefix, fn) {
|
||
return (...args) => {
|
||
let key = prefix + args.join('-'); return Cache.get(key) || Cache.set(key, fn(...args));
|
||
}
|
||
}
|
||
|
||
function Type(type, value) {
|
||
return { type, value };
|
||
}
|
||
|
||
function get_tokens(input) {
|
||
let expr = String(input);
|
||
let tokens = [], stack = [];
|
||
if (!expr.startsWith('[') || !expr.endsWith(']')) {
|
||
return tokens;
|
||
}
|
||
|
||
for (let i = 1; i < expr.length - 1; ++i) {
|
||
let c = expr[i];
|
||
if (c == '-' && expr[i - 1] == '-') {
|
||
continue;
|
||
}
|
||
if (c == '-') {
|
||
stack.push(c);
|
||
continue;
|
||
}
|
||
if (last(stack) == '-') {
|
||
stack.pop();
|
||
let from = stack.pop();
|
||
tokens.push(from
|
||
? Type('range', [ from, c ])
|
||
: Type('char', c)
|
||
);
|
||
continue;
|
||
}
|
||
if (stack.length) {
|
||
tokens.push(Type('char', stack.pop()));
|
||
}
|
||
stack.push(c);
|
||
}
|
||
if (stack.length) {
|
||
tokens.push(Type('char', stack.pop()));
|
||
}
|
||
return tokens;
|
||
}
|
||
|
||
const build_range = memo('build_range', (input) => {
|
||
let tokens = get_tokens(input);
|
||
return flat_map(tokens, ({ type, value }) => {
|
||
if (type == 'char') return value;
|
||
let [ from, to ] = value;
|
||
let reverse = false;
|
||
if (from > to) {
|
||
[from, to] = [ to, from ];
|
||
reverse = true;
|
||
}
|
||
let result = by_charcode(range)(from, to);
|
||
if (reverse) result.reverse();
|
||
return result;
|
||
});
|
||
});
|
||
|
||
function expand(fn) {
|
||
return (...args) => fn(...flat_map(args, n =>
|
||
String(n).startsWith('[') ? build_range(n) : n
|
||
));
|
||
}
|
||
|
||
class Node {
|
||
constructor(data) {
|
||
this.prev = this.next = null;
|
||
this.data = data;
|
||
}
|
||
}
|
||
|
||
class Stack {
|
||
constructor(limit = 20) {
|
||
this._limit = limit;
|
||
this._size = 0;
|
||
}
|
||
push(data) {
|
||
if (this._size >= this._limit) {
|
||
this.root = this.root.next;
|
||
this.root.prev = null;
|
||
}
|
||
let node = new Node(data);
|
||
if (!this.root) {
|
||
this.root = this.tail = node;
|
||
} else {
|
||
node.prev = this.tail;
|
||
this.tail.next = node;
|
||
this.tail = node;
|
||
}
|
||
this._size++;
|
||
}
|
||
last(n = 1) {
|
||
let node = this.tail;
|
||
while (--n) {
|
||
if (!node.prev) break;
|
||
node = node.prev;
|
||
}
|
||
return node.data;
|
||
}
|
||
}
|
||
|
||
/**
|
||
* Improved noise by Ken Perlin
|
||
* Translated from: https://mrl.nyu.edu/~perlin/noise/
|
||
*/
|
||
|
||
class Perlin {
|
||
constructor(shuffle) {
|
||
this.p = duplicate(shuffle([
|
||
151,160,137,91,90,15,
|
||
131,13,201,95,96,53,194,233,7,225,140,36,103,30,69,142,8,99,37,240,21,10,23,
|
||
190,6,148,247,120,234,75,0,26,197,62,94,252,219,203,117,35,11,32,57,177,33,
|
||
88,237,149,56,87,174,20,125,136,171,168,68,175,74,165,71,134,139,48,27,166,
|
||
77,146,158,231,83,111,229,122,60,211,133,230,220,105,92,41,55,46,245,40,244,
|
||
102,143,54,65,25,63,161,1,216,80,73,209,76,132,187,208,89,18,169,200,196,
|
||
135,130,116,188,159,86,164,100,109,198,173,186,3,64,52,217,226,250,124,123,
|
||
5,202,38,147,118,126,255,82,85,212,207,206,59,227,47,16,58,17,182,189,28,42,
|
||
223,183,170,213,119,248,152,2,44,154,163,70,221,153,101,155,167,43,172,9,
|
||
129,22,39,253,19,98,108,110,79,113,224,232,178,185,112,104,218,246,97,228,
|
||
251,34,242,193,238,210,144,12,191,179,162,241,81,51,145,235,249,14,239,107,
|
||
49,192,214,31,181,199,106,157,184,84,204,176,115,121,50,45,127,4,150,254,
|
||
138,236,205,93,222,114,67,29,24,72,243,141,128,195,78,66,215,61,156,180
|
||
]));
|
||
}
|
||
|
||
// Convert LO 4 bits of hash code into 12 gradient directions.
|
||
grad(hash, x, y, z) {
|
||
let h = hash & 15,
|
||
u = h < 8 ? x : y,
|
||
v = h < 4 ? y : h == 12 || h == 14 ? x : z;
|
||
return ((h&1) == 0 ? u : -u) + ((h&2) == 0 ? v : -v);
|
||
}
|
||
|
||
noise(x, y, z) {
|
||
let { p, grad } = this;
|
||
// Find unit cube that contains point.
|
||
let [X, Y, Z] = [x, y, z].map(n => Math.floor(n) & 255);
|
||
// Find relative x, y, z of point in cube.
|
||
[x, y, z] = [x, y, z].map(n => n - Math.floor(n));
|
||
// Compute fade curves for each of x, y, z.
|
||
let [u, v, w] = [x, y, z].map(n => n * n * n * (n * (n * 6 - 15) + 10));
|
||
// hash coordinates of the 8 cube corners.
|
||
let A = p[X ]+Y, AA = p[A]+Z, AB = p[A+1]+Z,
|
||
B = p[X+1]+Y, BA = p[B]+Z, BB = p[B+1]+Z;
|
||
// And add blended results from 8 corners of cube.
|
||
return lerp(w, lerp(v, lerp(u, grad(p[AA ], x , y , z ),
|
||
grad(p[BA ], x-1, y , z )),
|
||
lerp(u, grad(p[AB ], x , y-1, z ),
|
||
grad(p[BB ], x-1, y-1, z ))),
|
||
lerp(v, lerp(u, grad(p[AA+1], x , y , z-1 ),
|
||
grad(p[BA+1], x-1, y , z-1 )),
|
||
lerp(u, grad(p[AB+1], x , y-1, z-1 ),
|
||
grad(p[BB+1], x-1, y-1, z-1 ))));
|
||
}
|
||
}
|
||
|
||
function get_named_arguments(args, names) {
|
||
let result = {};
|
||
let order = true;
|
||
for (let i = 0; i < args.length; ++i) {
|
||
let arg = args[i];
|
||
let arg_name = names[i];
|
||
if (/=/.test(arg)) {
|
||
let [name, value] = parse$8(arg, { symbol: '=', noSpace: true });
|
||
if (value !== undefined) {
|
||
if (names.includes(name)) {
|
||
result[name] = value;
|
||
}
|
||
// ignore the rest unnamed arguments
|
||
order = false;
|
||
} else {
|
||
result[arg_name] = arg;
|
||
}
|
||
} else if (order) {
|
||
result[arg_name] = arg;
|
||
}
|
||
}
|
||
return result;
|
||
}
|
||
|
||
function parse$3(input) {
|
||
let iter = iterator$1(scan(input));
|
||
let commands = {};
|
||
let tokens = [];
|
||
let name;
|
||
let negative = false;
|
||
while (iter.next()) {
|
||
let { prev, curr, next } = iter.get();
|
||
if (curr.isSymbol(':') && !name) {
|
||
name = joinTokens(tokens);
|
||
tokens = [];
|
||
} else if (curr.isSymbol(';') && name) {
|
||
commands[name] = transformNegative(name, joinTokens(tokens), negative);
|
||
tokens = [];
|
||
name = null;
|
||
negative = false;
|
||
} else if (!curr.isSymbol(';')) {
|
||
let prevMinus = prev && prev.isSymbol('-');
|
||
let nextMinus = next && next.isSymbol('-');
|
||
let currMinus = curr.isSymbol('-');
|
||
if (!name && !tokens.length && currMinus && !prevMinus && !nextMinus) {
|
||
if (next && next.isSymbol(':')) {
|
||
tokens.push(curr);
|
||
} else {
|
||
negative = true;
|
||
}
|
||
} else {
|
||
tokens.push(curr);
|
||
}
|
||
}
|
||
}
|
||
if (tokens.length && name) {
|
||
commands[name] = transformNegative(name, joinTokens(tokens), negative);
|
||
}
|
||
return commands;
|
||
}
|
||
|
||
function transformNegative(name, value, negative) {
|
||
let excludes = ['fill-rule', 'fill'];
|
||
if (excludes.includes(name)) {
|
||
return value;
|
||
}
|
||
return negative ? `-1 * (${ value })` : value;
|
||
}
|
||
|
||
function joinTokens(tokens) {
|
||
return tokens.map(n => n.value).join('');
|
||
}
|
||
|
||
const keywords = ['auto', 'reverse'];
|
||
const units = ['deg', 'rad', 'grad', 'turn'];
|
||
|
||
function parse$2(input) {
|
||
let iter = iterator$1(scan(input));
|
||
let matched = false;
|
||
let unit = '';
|
||
let ret = {
|
||
direction: '',
|
||
angle: '',
|
||
};
|
||
while (iter.next()) {
|
||
let { prev, curr, next } = iter.get();
|
||
if (curr.isWord() && keywords.includes(curr.value)) {
|
||
ret.direction = curr.value;
|
||
matched = true;
|
||
}
|
||
else if (curr.isNumber()) {
|
||
ret.angle = Number(curr.value);
|
||
matched = true;
|
||
}
|
||
else if (curr.isWord() && prev && prev.isNumber() && units.includes(curr.value)) {
|
||
unit = curr.value;
|
||
}
|
||
else if (curr.isSpace() && ret.direction !== '' && ret.angle !== '') {
|
||
break;
|
||
}
|
||
}
|
||
if (!matched) {
|
||
ret.direction = 'auto';
|
||
}
|
||
return normalizeAngle(ret, unit);
|
||
}
|
||
|
||
function normalizeAngle(input, unit) {
|
||
let { angle } = input;
|
||
if (angle === '') {
|
||
angle = 0;
|
||
}
|
||
if (unit === 'rad') {
|
||
angle /= (Math.PI / 180);
|
||
}
|
||
if (unit === 'grad') {
|
||
angle *= .9;
|
||
}
|
||
if (unit === 'turn') {
|
||
angle *= 360;
|
||
}
|
||
return Object.assign({}, input, { angle });
|
||
}
|
||
|
||
const { cos, sin, abs, atan2, PI } = Math;
|
||
|
||
const _ = make_tag_function(c => {
|
||
return create_shape_points(
|
||
parse$3(c), {min: 3, max: 3600}
|
||
);
|
||
});
|
||
|
||
const shapes = {
|
||
circle: () => _`
|
||
split: 180;
|
||
scale: .99
|
||
`,
|
||
|
||
triangle: () => _`
|
||
rotate: 30;
|
||
scale: 1.1;
|
||
move: 0 .2
|
||
`,
|
||
|
||
pentagon: () => _`
|
||
split: 5;
|
||
rotate: 54
|
||
`,
|
||
|
||
hexagon: () => _`
|
||
split: 6;
|
||
rotate: 30;
|
||
scale: .98
|
||
`,
|
||
|
||
octagon: () => _`
|
||
split: 8;
|
||
rotat: 22.5;
|
||
scale: .99
|
||
`,
|
||
|
||
star: () => _`
|
||
split: 10;
|
||
r: cos(5t);
|
||
rotate: -18;
|
||
scale: .99
|
||
`,
|
||
|
||
infinity: () => _`
|
||
split: 180;
|
||
scale: .99;
|
||
x: cos(t)*.99 / (sin(t)^2 + 1);
|
||
y: x * sin(t)
|
||
`,
|
||
|
||
heart: () => _`
|
||
split: 180;
|
||
rotate: 180;
|
||
a: cos(t)*13/18 - cos(2t)*5/18;
|
||
b: cos(3t)/18 + cos(4t)/18;
|
||
x: (.75 * sin(t)^3) * 1.2;
|
||
y: (a - b + .2) * -1.1
|
||
`,
|
||
|
||
bean: () => _`
|
||
split: 180;
|
||
r: sin(t)^3 + cos(t)^3;
|
||
move: -.35 .35;
|
||
`,
|
||
|
||
bicorn: () => _`
|
||
split: 180;
|
||
x: cos(t);
|
||
y: sin(t)^2 / (2 + sin(t)) - .5
|
||
`,
|
||
|
||
drop: () => _`
|
||
split: 180;
|
||
rotate: 90;
|
||
scale: .95;
|
||
x: sin(t);
|
||
y: (1 + sin(t)) * cos(t) / 1.6
|
||
`,
|
||
|
||
fish: () => _`
|
||
split: 240;
|
||
x: cos(t) - sin(t)^2 / sqrt(2) - .04;
|
||
y: sin(2t)/2
|
||
`,
|
||
|
||
whale: () => _`
|
||
split: 240;
|
||
rotate: 180;
|
||
R: 3.4 * (sin(t)^2 - .5) * cos(t);
|
||
x: cos(t) * R + .75;
|
||
y: sin(t) * R * 1.2
|
||
`,
|
||
|
||
windmill: () => _`
|
||
split: 18;
|
||
R: seq(.618, 1, 0);
|
||
T: seq(t-.55, t, t);
|
||
x: R * cos(T);
|
||
y: R * sin(T)
|
||
`,
|
||
|
||
vase: () => _`
|
||
split: 240;
|
||
scale: .3;
|
||
x: sin(4t) + sin(t) * 1.4;
|
||
y: cos(t) + cos(t) * 4.8 + .3
|
||
`,
|
||
|
||
clover: (k = 3) => {
|
||
k = clamp(k, 3, 5);
|
||
if (k == 4) k = 2;
|
||
return _`
|
||
split: 240;
|
||
r: cos(${k}t);
|
||
scale: .98
|
||
`;
|
||
},
|
||
|
||
hypocycloid: (k = 3) => {
|
||
k = clamp(k, 3, 5);
|
||
let scale = [0, 0, 0, .34, .25, .19][k];
|
||
return _`
|
||
split: 240;
|
||
scale: ${scale};
|
||
k: ${k};
|
||
x: (k-1)*cos(t) + cos((k-1)*t);
|
||
y: (k-1)*sin(t) - sin((k-1)*t)
|
||
`;
|
||
},
|
||
|
||
bud: (k = 3) => {
|
||
k = clamp(k, 3, 10);
|
||
return _`
|
||
split: 240;
|
||
scale: .8;
|
||
r: 1 + .2 * cos(${k}t)
|
||
`;
|
||
},
|
||
};
|
||
|
||
class Point {
|
||
constructor(x, y, angle) {
|
||
this.x = x;
|
||
this.y = y;
|
||
this.extra = angle;
|
||
}
|
||
valueOf() {
|
||
return this.x + ' ' + this.y;
|
||
}
|
||
toString() {
|
||
return this.valueOf();
|
||
}
|
||
}
|
||
|
||
function create_polygon_points(option, fn) {
|
||
if (typeof arguments[0] == 'function') {
|
||
fn = option;
|
||
option = {};
|
||
}
|
||
|
||
if (!fn) {
|
||
fn = t => [ cos(t), sin(t) ];
|
||
}
|
||
|
||
let split = option.split || 180;
|
||
let turn = option.turn || 1;
|
||
let frame = option.frame;
|
||
let fill = option['fill'] || option['fill-rule'];
|
||
let direction = parse$2(option['direction'] || option['dir'] || '');
|
||
let unit = option.unit;
|
||
|
||
let rad = (PI * 2) * turn / split;
|
||
let points = [];
|
||
let first_point, first_point2;
|
||
|
||
let factor = (option.scale === undefined) ? 1 : option.scale;
|
||
let add = ([x1, y1, dx = 0, dy = 0]) => {
|
||
if (x1 == 'evenodd' || x1 == 'nonzero') {
|
||
return points.push(new Point(x1, '', ''));
|
||
}
|
||
let [x, y] = scale(x1, -y1, factor);
|
||
let [dx1, dy2] = scale(dx, -dy, factor);
|
||
let angle = calc_angle(x, y, dx1, dy2, direction);
|
||
if (unit !== undefined && unit !== '%') {
|
||
if (unit !== 'none') {
|
||
x += unit;
|
||
y += unit;
|
||
}
|
||
} else {
|
||
x = (x + 1) * 50 + '%';
|
||
y = (y + 1) * 50 + '%';
|
||
}
|
||
points.push(new Point(x, y, angle));
|
||
};
|
||
|
||
if (fill == 'nonzero' || fill == 'evenodd') {
|
||
add([fill, '', '']);
|
||
}
|
||
|
||
for (let i = 0; i < split; ++i) {
|
||
let t = rad * i;
|
||
let point = fn(t, i);
|
||
if (!i) first_point = point;
|
||
add(point);
|
||
}
|
||
|
||
if (frame !== undefined) {
|
||
add(first_point);
|
||
let w = frame / 100;
|
||
if (turn > 1) w *= 2;
|
||
if (w == 0) w = .002;
|
||
for (let i = 0; i < split; ++i) {
|
||
let t = -rad * i;
|
||
let [x, y, dx = 0, dy = 0] = fn(t, i);
|
||
let theta = atan2(y + dy, x - dx);
|
||
let point = [
|
||
x - w * cos(theta),
|
||
y - w * sin(theta)
|
||
];
|
||
if (!i) first_point2 = point;
|
||
add(point);
|
||
}
|
||
add(first_point2);
|
||
add(first_point);
|
||
}
|
||
|
||
return points;
|
||
}
|
||
|
||
function calc_angle(x, y, dx, dy, option) {
|
||
let base = atan2(y + dy, x - dx) * 180 / PI;
|
||
if (option.direction === 'reverse') {
|
||
base -= 180;
|
||
}
|
||
if (!option.direction) {
|
||
base = 90;
|
||
}
|
||
if (option.angle) {
|
||
base += option.angle;
|
||
}
|
||
return base;
|
||
}
|
||
|
||
function rotate(x, y, deg) {
|
||
let rad = -PI / 180 * deg;
|
||
return [
|
||
x * cos(rad) - y * sin(rad),
|
||
y * cos(rad) + x * sin(rad)
|
||
];
|
||
}
|
||
|
||
function translate(x, y, offset) {
|
||
let [dx, dy = dx] = parse$8(offset).map(Number);
|
||
return [
|
||
x + (dx || 0),
|
||
y - (dy || 0),
|
||
dx,
|
||
dy
|
||
];
|
||
}
|
||
|
||
function scale(x, y, factor) {
|
||
let [fx, fy = fx] = parse$8(factor).map(Number);
|
||
return [
|
||
x * fx,
|
||
y * fy
|
||
];
|
||
}
|
||
|
||
function create_shape_points(props, {min, max}) {
|
||
let split = clamp(parseInt(props.vertices || props.points || props.split) || 0, min, max);
|
||
let px = is_empty(props.x) ? 'cos(t)' : props.x;
|
||
let py = is_empty(props.y) ? 'sin(t)' : props.y;
|
||
let pr = is_empty(props.r) ? '' : props.r;
|
||
|
||
let { unit, value } = parse$4(pr);
|
||
if (unit && !props[unit] && unit !== 't') {
|
||
if (is_empty(props.unit)) {
|
||
props.unit = unit;
|
||
}
|
||
pr = props.r = value;
|
||
}
|
||
|
||
if (props.degree) {
|
||
props.rotate = props.degree;
|
||
}
|
||
|
||
if (props.origin) {
|
||
props.move = props.origin;
|
||
}
|
||
|
||
let option = Object.assign({}, props, { split });
|
||
|
||
return create_polygon_points(option, (t, i) => {
|
||
let context = Object.assign({}, props, {
|
||
't': t,
|
||
'θ': t,
|
||
'i': (i + 1),
|
||
seq(...list) {
|
||
if (!list.length) return '';
|
||
return list[i % list.length];
|
||
},
|
||
range(a, b = 0) {
|
||
a = Number(a) || 0;
|
||
b = Number(b) || 0;
|
||
if (a > b) [a, b] = [b, a];
|
||
let step = abs(b - a) / (split - 1);
|
||
return a + step * i;
|
||
}
|
||
});
|
||
let x = calc$1(px, context);
|
||
let y = calc$1(py, context);
|
||
let dx = 0;
|
||
let dy = 0;
|
||
if (pr) {
|
||
let r = calc$1(pr, context);
|
||
if (r == 0) {
|
||
r = .00001;
|
||
}
|
||
x = r * cos(t);
|
||
y = r * sin(t);
|
||
}
|
||
if (props.rotate) {
|
||
[x, y] = rotate(x, y, Number(props.rotate) || 0);
|
||
}
|
||
if (props.move) {
|
||
[x, y, dx, dy] = translate(x, y, props.move);
|
||
}
|
||
return [x, y, dx, dy];
|
||
});
|
||
}
|
||
|
||
const commands = 'MmLlHhVvCcSsQqTtAaZz';
|
||
const relatives = 'mlhvcsqtaz';
|
||
|
||
function parse$1(input) {
|
||
let iter = iterator$1(scan(input));
|
||
let temp = {};
|
||
let result = {
|
||
commands: [],
|
||
valid: true
|
||
};
|
||
while (iter.next()) {
|
||
let { curr } = iter.get();
|
||
if (curr.isSpace() || curr.isSymbol(',')) {
|
||
continue;
|
||
}
|
||
if (curr.isWord()) {
|
||
if (temp.name) {
|
||
result.commands.push(temp);
|
||
temp = {};
|
||
}
|
||
temp.name = curr.value;
|
||
temp.value = [];
|
||
if (!commands.includes(curr.value)) {
|
||
temp.type = 'unknown';
|
||
result.valid = false;
|
||
} else if (relatives.includes(curr.value)) {
|
||
temp.type = 'relative';
|
||
} else {
|
||
temp.type = 'absolute';
|
||
}
|
||
} else if (temp.value) {
|
||
let value = curr.value;
|
||
if (curr.isNumber()) {
|
||
value = Number(curr.value);
|
||
}
|
||
temp.value.push(value);
|
||
} else if (!temp.name) {
|
||
result.valid = false;
|
||
}
|
||
}
|
||
if (temp.name) {
|
||
result.commands.push(temp);
|
||
}
|
||
return result;
|
||
}
|
||
|
||
const uniform_time = {
|
||
'name': 'cssd-uniform-time',
|
||
'animation-name': 'cssd-uniform-time-animation',
|
||
'animation-duration': 31536000000, /* one year in ms */
|
||
'animation-iteration-count': 'infinite',
|
||
'animation-delay': '0s',
|
||
'animation-direction': 'normal',
|
||
'animation-fill-mode': 'none',
|
||
'animation-play-state': 'running',
|
||
'animation-timing-function': 'linear',
|
||
};
|
||
|
||
uniform_time['animation'] = `
|
||
${ uniform_time['animation-duration'] }ms
|
||
${ uniform_time['animation-timing-function'] }
|
||
${ uniform_time['animation-delay'] }
|
||
${ uniform_time['animation-iteration-count'] }
|
||
${ uniform_time['animation-name'] }
|
||
`;
|
||
|
||
const uniform_mousex = {
|
||
name: 'cssd-uniform-mousex',
|
||
};
|
||
|
||
const uniform_mousey = {
|
||
name: 'cssd-uniform-mousey',
|
||
};
|
||
|
||
const uniform_width = {
|
||
name: 'cssd-uniform-width',
|
||
};
|
||
|
||
const uniform_height = {
|
||
name: 'cssd-uniform-height',
|
||
};
|
||
|
||
var Uniforms = /*#__PURE__*/Object.freeze({
|
||
__proto__: null,
|
||
uniform_time: uniform_time,
|
||
uniform_mousex: uniform_mousex,
|
||
uniform_mousey: uniform_mousey,
|
||
uniform_width: uniform_width,
|
||
uniform_height: uniform_height
|
||
});
|
||
|
||
function make_sequence(c) {
|
||
return lazy((_, n, ...actions) => {
|
||
if (!actions || !n) return '';
|
||
let count = get_value(n());
|
||
let evaluated = count;
|
||
if (/\D/.test(count) && !/\d+[x-]\d+/.test(count)) {
|
||
evaluated = calc$1(count);
|
||
if (evaluated === 0) {
|
||
evaluated = count;
|
||
}
|
||
}
|
||
let signature = Math.random();
|
||
return sequence(
|
||
evaluated,
|
||
(...args) => {
|
||
return actions.map(action => {
|
||
return get_value(action(...args, signature))
|
||
}).join(',');
|
||
}
|
||
).join(c);
|
||
});
|
||
}
|
||
|
||
function push_stack(context, name, value) {
|
||
if (!context[name]) context[name] = new Stack();
|
||
context[name].push(value);
|
||
return value;
|
||
}
|
||
|
||
function flip_value(num) {
|
||
return -1 * num;
|
||
}
|
||
|
||
function map2d(value, min, max, amp = 1) {
|
||
let dimention = 2;
|
||
let v = Math.sqrt(dimention / 4) * amp;
|
||
let [ma, mb] = [-v, v];
|
||
return lerp((value - ma) / (mb - ma), min * amp, max * amp);
|
||
}
|
||
|
||
const Expose = add_alias({
|
||
|
||
i({ count }) {
|
||
return _ => count;
|
||
},
|
||
|
||
y({ y }) {
|
||
return _ => y;
|
||
},
|
||
|
||
x({ x }) {
|
||
return _ => x;
|
||
},
|
||
|
||
z({ z }) {
|
||
return _ => z;
|
||
},
|
||
|
||
I({ grid }) {
|
||
return _ => grid.count;
|
||
},
|
||
|
||
Y({ grid }) {
|
||
return _ => grid.y;
|
||
},
|
||
|
||
X({ grid }) {
|
||
return _ => grid.x;
|
||
},
|
||
|
||
Z({ grid }) {
|
||
return _ => grid.z;
|
||
},
|
||
|
||
id({ x, y, z }) {
|
||
return _ => cell_id(x, y, z);
|
||
},
|
||
|
||
n({ extra }) {
|
||
let lastExtra = last(extra);
|
||
return n => lastExtra ? (lastExtra[0] + (Number(n) || 0)) : '@n';
|
||
},
|
||
|
||
nx({ extra }) {
|
||
let lastExtra = last(extra);
|
||
return n => lastExtra ? (lastExtra[1] + (Number(n) || 0)) : '@nx';
|
||
},
|
||
|
||
ny({ extra }) {
|
||
let lastExtra = last(extra);
|
||
return n => lastExtra ? (lastExtra[2] + (Number(n) || 0)) : '@ny';
|
||
},
|
||
|
||
N({ extra }) {
|
||
let lastExtra = last(extra);
|
||
return n => lastExtra ? (lastExtra[3] + (Number(n) || 0)) : '@N';
|
||
},
|
||
|
||
m: make_sequence(','),
|
||
|
||
M: make_sequence(' '),
|
||
|
||
µ: make_sequence(''),
|
||
|
||
p({ context, pick }) {
|
||
return expand((...args) => {
|
||
if (!args.length) {
|
||
args = context.last_pick_args || [];
|
||
}
|
||
let picked = pick(args);
|
||
context.last_pick_args = args;
|
||
return push_stack(context, 'last_pick', picked);
|
||
});
|
||
},
|
||
|
||
P({ context, pick, position }) {
|
||
let counter = 'P-counter' + position;
|
||
return expand((...args) => {
|
||
let normal = true;
|
||
if (!args.length) {
|
||
args = context.last_pick_args || [];
|
||
normal = false;
|
||
}
|
||
let stack = context.last_pick;
|
||
let last = stack ? stack.last(1) : '';
|
||
if (normal) {
|
||
if (!context[counter]) {
|
||
context[counter] = {};
|
||
}
|
||
last = context[counter].last_pick;
|
||
}
|
||
if (args.length > 1) {
|
||
let i = args.findIndex(n => n === last);
|
||
if (i !== -1) {
|
||
args.splice(i, 1);
|
||
}
|
||
}
|
||
let picked = pick(args);
|
||
context.last_pick_args = args;
|
||
if (normal) {
|
||
context[counter].last_pick = picked;
|
||
}
|
||
return push_stack(context, 'last_pick', picked);
|
||
});
|
||
},
|
||
|
||
pn({ context, extra, position }) {
|
||
let lastExtra = last(extra);
|
||
let sig = lastExtra ? last(lastExtra) : '';
|
||
let counter = 'pn-counter' + position + sig;
|
||
return expand((...args) => {
|
||
if (!context[counter]) context[counter] = 0;
|
||
context[counter] += 1;
|
||
let max = args.length;
|
||
let [idx = context[counter]] = lastExtra || [];
|
||
let pos = (idx - 1) % max;
|
||
let value = args[pos];
|
||
return push_stack(context, 'last_pick', value);
|
||
});
|
||
},
|
||
|
||
pd({ context, extra, position, shuffle }) {
|
||
let lastExtra = last(extra);
|
||
let sig = lastExtra ? last(lastExtra) : '';
|
||
let counter = 'pd-counter' + position + sig;
|
||
let values = 'pd-values' + position + sig; return expand((...args) => {
|
||
if (!context[counter]) context[counter] = 0;
|
||
context[counter] += 1;
|
||
if (!context[values]) {
|
||
context[values] = shuffle(args || []);
|
||
}
|
||
let max = args.length;
|
||
let [idx = context[counter]] = lastExtra || [];
|
||
let pos = (idx - 1) % max;
|
||
let value = context[values][pos];
|
||
return push_stack(context, 'last_pick', value);
|
||
});
|
||
},
|
||
|
||
lp({ context }) {
|
||
return (n = 1) => {
|
||
let stack = context.last_pick;
|
||
return stack ? stack.last(n) : '';
|
||
};
|
||
},
|
||
|
||
r({ context, rand }) {
|
||
return (...args) => {
|
||
let transform = args.every(is_letter)
|
||
? by_charcode
|
||
: by_unit;
|
||
let value = transform(rand)(...args);
|
||
return push_stack(context, 'last_rand', value);
|
||
};
|
||
},
|
||
|
||
rn({ x, y, context, position, grid, extra, shuffle }) {
|
||
let counter = 'noise-2d' + position;
|
||
let [ni, nx, ny, nm, NX, NY] = last(extra) || [];
|
||
let isSeqContext = (ni && nm);
|
||
return (...args) => {
|
||
let {from = 0, to = from, frequency = 1, amplitude = 1} = get_named_arguments(args, [
|
||
'from', 'to', 'frequency', 'amplitude'
|
||
]);
|
||
|
||
if (args.length == 1) {
|
||
[from, to] = [0, from];
|
||
}
|
||
if (!context[counter]) {
|
||
context[counter] = new Perlin(shuffle);
|
||
}
|
||
frequency = clamp(frequency, 0, Infinity);
|
||
amplitude = clamp(amplitude, 0, Infinity);
|
||
let transform = [from, to].every(is_letter) ? by_charcode : by_unit;
|
||
let t = isSeqContext
|
||
? context[counter].noise((nx - 1)/NX * frequency, (ny - 1)/NY * frequency, 0)
|
||
: context[counter].noise((x - 1)/grid.x * frequency, (y - 1)/grid.y * frequency, 0);
|
||
let fn = transform((from, to) => map2d(t * amplitude, from, to, amplitude));
|
||
let value = fn(from, to);
|
||
return push_stack(context, 'last_rand', value);
|
||
};
|
||
},
|
||
|
||
lr({ context }) {
|
||
return (n = 1) => {
|
||
let stack = context.last_rand;
|
||
return stack ? stack.last(n) : '';
|
||
};
|
||
},
|
||
|
||
noise({ context, grid, position, shuffle, ...rest }) {
|
||
let vars = {
|
||
i: rest.count, I: grid.count,
|
||
x: rest.x, X: grid.x,
|
||
y: rest.y, Y: grid.y,
|
||
z: rest.z, Z: grid.z,
|
||
};
|
||
return (x, y, z = 0) => {
|
||
let counter = 'raw-noise-2d' + position;
|
||
if (!context[counter]) {
|
||
context[counter] = new Perlin(shuffle);
|
||
}
|
||
return context[counter].noise(
|
||
calc$1(x, vars),
|
||
calc$1(y, vars),
|
||
calc$1(z, vars)
|
||
);
|
||
};
|
||
},
|
||
|
||
stripe() {
|
||
return (...input) => {
|
||
let colors = input.map(get_value);
|
||
let max = colors.length;
|
||
let default_count = 0;
|
||
let custom_sizes = [];
|
||
let prev;
|
||
if (!max) {
|
||
return '';
|
||
}
|
||
colors.forEach(step => {
|
||
let [_, size] = parse$8(step);
|
||
if (size !== undefined) custom_sizes.push(size);
|
||
else default_count += 1;
|
||
});
|
||
let default_size = custom_sizes.length
|
||
? `(100% - ${custom_sizes.join(' - ')}) / ${default_count}`
|
||
: `100% / ${max}`;
|
||
return colors.map((step, i) => {
|
||
if (custom_sizes.length) {
|
||
let [color, size] = parse$8(step);
|
||
let prefix = prev ? (prev + ' + ') : '';
|
||
prev = prefix + (size !== undefined ? size : default_size);
|
||
return `${color} 0 calc(${ prev })`
|
||
}
|
||
return `${step} 0 ${100 / max * (i + 1)}%`
|
||
})
|
||
.join(',');
|
||
}
|
||
},
|
||
|
||
calc() {
|
||
return value => calc$1(get_value(value));
|
||
},
|
||
|
||
hex() {
|
||
return value => parseInt(get_value(value)).toString(16);
|
||
},
|
||
|
||
svg: lazy((_, ...args) => {
|
||
let value = args.map(input => get_value(input())).join(',');
|
||
if (!value.startsWith('<')) {
|
||
let parsed = parse$7(value);
|
||
value = generate_svg(parsed);
|
||
}
|
||
let svg = normalize_svg(value);
|
||
return create_svg_url(svg);
|
||
}),
|
||
|
||
filter: lazy((upstream, ...args) => {
|
||
let values = args.map(input => get_value(input()));
|
||
let value = values.join(',');
|
||
let id = unique_id('filter-');
|
||
// shorthand
|
||
if (values.every(n => /^[\d.]/.test(n) || (/^(\w+)/.test(n) && !/[{}<>]/.test(n)))) {
|
||
let { frequency, scale = 1, octave, seed = upstream.seed, blur, erode, dilate } = get_named_arguments(values, [
|
||
'frequency', 'scale', 'octave', 'seed', 'blur', 'erode', 'dilate'
|
||
]);
|
||
value = `
|
||
x: -20%;
|
||
y: -20%;
|
||
width: 140%;
|
||
height: 140%;
|
||
`;
|
||
if (!is_nil(dilate)) {
|
||
value += `
|
||
feMorphology {
|
||
operator: dilate;
|
||
radius: ${dilate};
|
||
}
|
||
`;
|
||
}
|
||
if (!is_nil(erode)) {
|
||
value += `
|
||
feMorphology {
|
||
operator: erode;
|
||
radius: ${erode};
|
||
}
|
||
`;
|
||
}
|
||
if (!is_nil(blur)) {
|
||
value += `
|
||
feGaussianBlur {
|
||
stdDeviation: ${blur};
|
||
}
|
||
`;
|
||
}
|
||
if (!is_nil(frequency)) {
|
||
let [bx, by = bx] = parse$8(frequency);
|
||
octave = octave ? `numOctaves: ${octave};` : '';
|
||
value += `
|
||
feTurbulence {
|
||
type: fractalNoise;
|
||
baseFrequency: ${bx} ${by};
|
||
seed: ${seed};
|
||
${octave}
|
||
}
|
||
feDisplacementMap {
|
||
in: SourceGraphic;
|
||
scale: ${scale};
|
||
}
|
||
`;
|
||
}
|
||
}
|
||
// new svg syntax
|
||
if (!value.startsWith('<')) {
|
||
let parsed = parse$7(value, {
|
||
type: 'block',
|
||
name: 'filter'
|
||
});
|
||
value = generate_svg(parsed);
|
||
}
|
||
let svg = normalize_svg(value).replace(
|
||
/<filter([\s>])/,
|
||
`<filter id="${ id }"$1`
|
||
);
|
||
return create_svg_url(svg, id);
|
||
}),
|
||
|
||
var() {
|
||
return value => `var(${ get_value(value) })`;
|
||
},
|
||
|
||
ut() {
|
||
return value => `var(--${ uniform_time.name })`;
|
||
},
|
||
|
||
uw() {
|
||
return value => `var(--${ uniform_width.name })`;
|
||
},
|
||
|
||
uh() {
|
||
return value => `var(--${ uniform_height.name })`;
|
||
},
|
||
|
||
ux() {
|
||
return value => `var(--${ uniform_mousex.name })`;
|
||
},
|
||
|
||
uy() {
|
||
return value => `var(--${ uniform_mousey.name })`;
|
||
},
|
||
|
||
plot({ count, context, extra, position, grid }) {
|
||
let key = 'offset-points' + position;
|
||
let lastExtra = last(extra);
|
||
return commands => {
|
||
let [idx = count, _, __, max = grid.count] = lastExtra || [];
|
||
if (!context[key]) {
|
||
let config = parse$3(commands);
|
||
delete config['fill'];
|
||
delete config['fill-rule'];
|
||
delete config['frame'];
|
||
config.points = max;
|
||
context[key] = create_shape_points(config, {min: 1, max: 65536});
|
||
}
|
||
return context[key][idx - 1];
|
||
};
|
||
},
|
||
|
||
Plot({ count, context, extra, position, grid }) {
|
||
let key = 'Offset-points' + position;
|
||
let lastExtra = last(extra);
|
||
return commands => {
|
||
let [idx = count, _, __, max = grid.count] = lastExtra || [];
|
||
if (!context[key]) {
|
||
let config = parse$3(commands);
|
||
delete config['fill'];
|
||
delete config['fill-rule'];
|
||
delete config['frame'];
|
||
config.points = max;
|
||
config.unit = config.unit || 'none';
|
||
context[key] = create_shape_points(config, {min: 1, max: 65536});
|
||
}
|
||
return context[key][idx - 1];
|
||
};
|
||
},
|
||
|
||
shape() {
|
||
return memo('shape-function', (type = '', ...args) => {
|
||
type = String(type).trim();
|
||
let points = [];
|
||
if (type.length) {
|
||
if (typeof shapes[type] === 'function') {
|
||
points = shapes[type](args);
|
||
} else {
|
||
let commands = type;
|
||
let rest = args.join(',');
|
||
if (rest.length) {
|
||
commands = type + ',' + rest;
|
||
}
|
||
let config = parse$3(commands);
|
||
points = create_shape_points(config, {min: 3, max: 3600});
|
||
}
|
||
}
|
||
return `polygon(${points.join(',')})`;
|
||
});
|
||
},
|
||
|
||
doodle() {
|
||
return value => value;
|
||
},
|
||
|
||
shaders() {
|
||
return value => value;
|
||
},
|
||
|
||
canvas() {
|
||
return value => value;
|
||
},
|
||
|
||
pattern() {
|
||
return value => value;
|
||
},
|
||
|
||
invert() {
|
||
return commands => {
|
||
let parsed = parse$1(commands);
|
||
if (!parsed.valid) return commands;
|
||
return parsed.commands.map(({ name, value }) => {
|
||
switch (name) {
|
||
case 'v': return 'h' + value.join(' ');
|
||
case 'V': return 'H' + value.join(' ');
|
||
case 'h': return 'v' + value.join(' ');
|
||
case 'H': return 'V' + value.join(' ');
|
||
default: return name + value.join(' ');
|
||
}
|
||
}).join(' ');
|
||
};
|
||
},
|
||
|
||
flipH() {
|
||
return commands => {
|
||
let parsed = parse$1(commands);
|
||
if (!parsed.valid) return commands;
|
||
return parsed.commands.map(({ name, value }) => {
|
||
switch (name) {
|
||
case 'h':
|
||
case 'H': return name + value.map(flip_value).join(' ');
|
||
default: return name + value.join(' ');
|
||
}
|
||
}).join(' ');
|
||
};
|
||
},
|
||
|
||
flipV() {
|
||
return commands => {
|
||
let parsed = parse$1(commands);
|
||
if (!parsed.valid) return commands;
|
||
return parsed.commands.map(({ name, value }) => {
|
||
switch (name) {
|
||
case 'v':
|
||
case 'V': return name + value.map(flip_value).join(' ');
|
||
default: return name + value.join(' ');
|
||
}
|
||
}).join(' ');
|
||
};
|
||
},
|
||
|
||
flip(...args) {
|
||
let flipH = Expose.flipH(...args);
|
||
let flipV = Expose.flipV(...args);
|
||
return commands => {
|
||
return flipV(flipH(commands));
|
||
}
|
||
},
|
||
|
||
reverse(...args) {
|
||
return commands => {
|
||
let parsed = parse$1(commands);
|
||
if (!parsed.valid) return commands;
|
||
return parsed.commands.reverse().map(({ name, value }) => {
|
||
return name + value.join(' ');
|
||
}).join(' ');
|
||
}
|
||
},
|
||
|
||
}, {
|
||
|
||
'index': 'i',
|
||
'col': 'x',
|
||
'row': 'y',
|
||
'depth': 'z',
|
||
'rand': 'r',
|
||
'pick': 'p',
|
||
|
||
// error prone
|
||
'stripes': 'stripe',
|
||
'strip': 'stripe',
|
||
'patern': 'pattern',
|
||
'flipv': 'flipV',
|
||
'fliph': 'flipH',
|
||
|
||
// legacy names, keep them before 1.0
|
||
't': 'ut',
|
||
'svg-filter': 'filter',
|
||
'last-rand': 'lr',
|
||
'last-pick': 'lp',
|
||
'multiple': 'm',
|
||
'multi': 'm',
|
||
'rep': 'µ',
|
||
'repeat': 'µ',
|
||
'ms': 'M',
|
||
's': 'I',
|
||
'size': 'I',
|
||
'sx': 'X',
|
||
'size-x': 'X',
|
||
'size-col': 'X',
|
||
'max-col': 'X',
|
||
'sy': 'Y',
|
||
'size-y': 'Y',
|
||
'size-row': 'Y',
|
||
'max-row': 'Y',
|
||
'sz': 'Z',
|
||
'size-z': 'Z',
|
||
'size-depth': 'Z',
|
||
'pick-by-turn': 'pn',
|
||
'pick-n': 'pn',
|
||
'pick-d': 'pd',
|
||
'offset': 'plot',
|
||
'Offset': 'Plot',
|
||
'point': 'plot',
|
||
'Point': 'Plot',
|
||
'paint': 'canvas',
|
||
});
|
||
|
||
const presets = {
|
||
|
||
'4a0': [ 1682, 2378 ],
|
||
'2a0': [ 1189, 1682 ],
|
||
a0: [ 841, 1189 ],
|
||
a1: [ 594, 841 ],
|
||
a2: [ 420, 594 ],
|
||
a3: [ 297, 420 ],
|
||
a4: [ 210, 297 ],
|
||
a5: [ 148, 210 ],
|
||
a6: [ 105, 148 ],
|
||
a7: [ 74, 105 ],
|
||
a8: [ 52, 74 ],
|
||
a9: [ 37, 52 ],
|
||
a10: [ 26, 37 ],
|
||
|
||
b0: [ 1000, 1414 ],
|
||
b1: [ 707, 1000 ],
|
||
b2: [ 500, 707 ],
|
||
b3: [ 353, 500 ],
|
||
b4: [ 250, 353 ],
|
||
b5: [ 176, 250 ],
|
||
b6: [ 125, 176 ],
|
||
b7: [ 88, 125 ],
|
||
b8: [ 62, 88 ],
|
||
b9: [ 44, 62 ],
|
||
b10: [ 31, 44 ],
|
||
b11: [ 22, 32 ],
|
||
b12: [ 16, 22 ],
|
||
|
||
c0: [ 917, 1297 ],
|
||
c1: [ 648, 917 ],
|
||
c2: [ 458, 648 ],
|
||
c3: [ 324, 458 ],
|
||
c4: [ 229, 324 ],
|
||
c5: [ 162, 229 ],
|
||
c6: [ 114, 162 ],
|
||
c7: [ 81, 114 ],
|
||
c8: [ 57, 81 ],
|
||
c9: [ 40, 57 ],
|
||
c10: [ 28, 40 ],
|
||
c11: [ 22, 32 ],
|
||
c12: [ 16, 22 ],
|
||
|
||
d0: [ 764, 1064 ],
|
||
d1: [ 532, 760 ],
|
||
d2: [ 380, 528 ],
|
||
d3: [ 264, 376 ],
|
||
d4: [ 188, 260 ],
|
||
d5: [ 130, 184 ],
|
||
d6: [ 92, 126 ],
|
||
|
||
letter: [ 216, 279 ],
|
||
postcard: [ 100, 148 ],
|
||
poster: [ 390, 540 ],
|
||
};
|
||
|
||
const modes = {
|
||
portrait: 'p',
|
||
pt: 'p',
|
||
p: 'p',
|
||
|
||
landscape: 'l',
|
||
ls: 'l',
|
||
l: 'l',
|
||
};
|
||
|
||
const unit = 'mm';
|
||
|
||
function get_preset(name, mode) {
|
||
name = String(name).toLowerCase();
|
||
|
||
// Default to landscape mode
|
||
let [h, w] = presets[name] || [];
|
||
|
||
if (modes[mode] == 'p') {
|
||
[w, h] = [h, w];
|
||
}
|
||
|
||
return [w, h].map(n => n + unit);
|
||
}
|
||
|
||
function is_preset(name) {
|
||
return !!presets[name];
|
||
}
|
||
|
||
let all_props = [];
|
||
|
||
function get_props(arg) {
|
||
if (!all_props.length) {
|
||
let props = new Set();
|
||
if (typeof document !== 'undefined') {
|
||
for (let n in document.head.style) {
|
||
if (!n.startsWith('-')) {
|
||
props.add(n.replace(/[A-Z]/g, '-$&').toLowerCase());
|
||
}
|
||
}
|
||
}
|
||
if (!props.has('grid-gap')) {
|
||
props.add('grid-gap');
|
||
}
|
||
all_props = Array.from(props);
|
||
}
|
||
return (arg instanceof RegExp)
|
||
? all_props.filter(n => arg.test(n))
|
||
: all_props;
|
||
}
|
||
|
||
function build_mapping(prefix) {
|
||
let reg = new RegExp(`\\-?${ prefix }\\-?`);
|
||
return get_props(reg)
|
||
.map(n => n.replace(reg, ''))
|
||
.reduce((obj, n) => { return obj[n] = n, obj }, {});
|
||
}
|
||
|
||
const props_webkit_mapping = build_mapping('webkit');
|
||
const props_moz_mapping = build_mapping('moz');
|
||
|
||
function prefixer(prop, rule) {
|
||
if (props_webkit_mapping[prop]) {
|
||
return `-webkit-${ rule } ${ rule }`;
|
||
}
|
||
else if (props_moz_mapping[prop]) {
|
||
return `-moz-${ rule } ${ rule }`;
|
||
}
|
||
return rule;
|
||
}
|
||
|
||
const map_left_right = {
|
||
center: '50%',
|
||
left: '0%', right: '100%',
|
||
top: '50%', bottom: '50%'
|
||
};
|
||
|
||
const map_top_bottom = {
|
||
center: '50%',
|
||
top: '0%', bottom: '100%',
|
||
left: '50%', right: '50%',
|
||
};
|
||
|
||
var Property = add_alias({
|
||
|
||
size(value, { is_special_selector, grid }) {
|
||
let [w, h = w] = parse$8(value);
|
||
if (is_preset(w)) {
|
||
[w, h] = get_preset(w, h);
|
||
}
|
||
let styles = `
|
||
width: ${ w };
|
||
height: ${ h };
|
||
`;
|
||
if (is_special_selector) {
|
||
if (w === 'auto' || h === 'auto') {
|
||
styles += `aspect-ratio: ${ grid.ratio };`;
|
||
}
|
||
} else {
|
||
styles += `
|
||
--internal-cell-width: ${ w };
|
||
--internal-cell-height: ${ h };
|
||
`;
|
||
}
|
||
return styles;
|
||
},
|
||
|
||
position(value, { extra }) {
|
||
let [left, top = '50%'] = parse$8(value);
|
||
left = map_left_right[left] || left;
|
||
top = map_top_bottom[top] || top;
|
||
const cw = 'var(--internal-cell-width, 25%)';
|
||
const ch = 'var(--internal-cell-height, 25%)';
|
||
return `
|
||
position: absolute;
|
||
left: ${ left };
|
||
top: ${ top };
|
||
width: ${ cw };
|
||
height: ${ ch };
|
||
margin-left: calc(${ cw } / -2);
|
||
margin-top: calc(${ ch } / -2);
|
||
grid-area: unset;
|
||
--plot-angle: ${ extra || 0 };
|
||
transform: rotate(${ extra || 0 }deg);
|
||
`;
|
||
},
|
||
|
||
grid(value, options) {
|
||
let [grid, size] = parse$8(value, { symbol: '/', noSpace: true });
|
||
return {
|
||
grid: parse_grid(grid, options.max_grid),
|
||
size: size ? this.size(size, options) : ''
|
||
};
|
||
},
|
||
|
||
seed(value) {
|
||
return value;
|
||
},
|
||
|
||
shape: memo('shape-property', value => {
|
||
let [type, ...args] = parse$8(value);
|
||
if (typeof shapes[type] !== 'function') return '';
|
||
let prop = 'clip-path';
|
||
let points = shapes[type](...args);
|
||
let rules = `${ prop }: polygon(${points.join(',')});`;
|
||
return prefixer(prop, rules) + 'overflow: hidden;';
|
||
}),
|
||
|
||
use(rules) {
|
||
if (rules.length > 2) {
|
||
return rules;
|
||
}
|
||
},
|
||
|
||
}, {
|
||
'place': 'position',
|
||
|
||
// legacy names.
|
||
'place-cell': 'position',
|
||
'offset': 'position',
|
||
|
||
});
|
||
|
||
const literal = {
|
||
even: n => !(n % 2),
|
||
odd: n => !!(n % 2),
|
||
};
|
||
|
||
/**
|
||
* TODO: optimization
|
||
*/
|
||
function nth(input, curr, max) {
|
||
for (let i = 0; i <= max; ++i) {
|
||
if (calc$1(input, { n: i }) == curr) {
|
||
return true;
|
||
}
|
||
}
|
||
}
|
||
|
||
var Selector = {
|
||
|
||
at({ x, y }) {
|
||
return (x1, y1) => (x == x1 && y == y1);
|
||
},
|
||
|
||
nth({ count, grid }) {
|
||
return (...exprs) => exprs.some(expr =>
|
||
literal[expr]
|
||
? literal[expr](count)
|
||
: nth(expr, count, grid.count)
|
||
);
|
||
},
|
||
|
||
row({ y, grid }) {
|
||
return (...exprs) => exprs.some(expr =>
|
||
literal[expr]
|
||
? literal[expr](y)
|
||
: nth(expr, y, grid.y)
|
||
);
|
||
},
|
||
|
||
col({ x, grid }) {
|
||
return (...exprs) => exprs.some(expr =>
|
||
literal[expr]
|
||
? literal[expr](x)
|
||
: nth(expr, x, grid.x)
|
||
);
|
||
},
|
||
|
||
even({ count, grid, x, y }) {
|
||
return arg => literal.odd(x + y);
|
||
},
|
||
|
||
odd({ count, grid, x, y}) {
|
||
return arg => literal.even(x + y);
|
||
},
|
||
|
||
random({ random, count, x, y, grid }) {
|
||
return (ratio = .5) => {
|
||
if (/\D/.test(ratio)) {
|
||
return random() < calc$1('(' + ratio + ')', {
|
||
x, X: grid.x,
|
||
y, Y: grid.y,
|
||
i: count, I: grid.count,
|
||
random,
|
||
});
|
||
}
|
||
return random() < ratio;
|
||
}
|
||
},
|
||
|
||
match({ count, grid, x, y, random }) {
|
||
return expr => {
|
||
return !!calc$1('(' + expr + ')', {
|
||
x, X: grid.x,
|
||
y, Y: grid.y,
|
||
i: count, I: grid.count,
|
||
random,
|
||
});
|
||
}
|
||
},
|
||
|
||
};
|
||
|
||
/*
|
||
Copyright 2019 David Bau.
|
||
Permission is hereby granted, free of charge, to any person obtaining
|
||
a copy of this software and associated documentation files (the
|
||
"Software"), to deal in the Software without restriction, including
|
||
without limitation the rights to use, copy, modify, merge, publish,
|
||
distribute, sublicense, and/or sell copies of the Software, and to
|
||
permit persons to whom the Software is furnished to do so, subject to
|
||
the following conditions:
|
||
The above copyright notice and this permission notice shall be
|
||
included in all copies or substantial portions of the Software.
|
||
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
|
||
EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
|
||
MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
|
||
IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
|
||
CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
|
||
TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
|
||
SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
|
||
*/
|
||
|
||
var global = globalThis;
|
||
var math = Math;
|
||
var pool = [];
|
||
|
||
//
|
||
// The following constants are related to IEEE 754 limits.
|
||
//
|
||
|
||
var width = 256, // each RC4 output is 0 <= x < 256
|
||
chunks = 6, // at least six RC4 outputs for each double
|
||
digits = 52, // there are 52 significant digits in a double
|
||
rngname = 'random', // rngname: name for Math.random and Math.seedrandom
|
||
startdenom = math.pow(width, chunks),
|
||
significance = math.pow(2, digits),
|
||
overflow = significance * 2,
|
||
mask = width - 1,
|
||
nodecrypto; // node.js crypto module, initialized at the bottom.
|
||
|
||
//
|
||
// seedrandom()
|
||
// This is the seedrandom function described above.
|
||
//
|
||
function seedrandom(seed, options, callback) {
|
||
var key = [];
|
||
options = (options == true) ? { entropy: true } : (options || {});
|
||
|
||
// Flatten the seed string or build one from local entropy if needed.
|
||
var shortseed = mixkey(flatten(
|
||
options.entropy ? [seed, tostring(pool)] :
|
||
(seed == null) ? autoseed() : seed, 3), key);
|
||
|
||
// Use the seed to initialize an ARC4 generator.
|
||
var arc4 = new ARC4(key);
|
||
|
||
// This function returns a random double in [0, 1) that contains
|
||
// randomness in every bit of the mantissa of the IEEE 754 value.
|
||
var prng = function() {
|
||
var n = arc4.g(chunks), // Start with a numerator n < 2 ^ 48
|
||
d = startdenom, // and denominator d = 2 ^ 48.
|
||
x = 0; // and no 'extra last byte'.
|
||
while (n < significance) { // Fill up all significant digits by
|
||
n = (n + x) * width; // shifting numerator and
|
||
d *= width; // denominator and generating a
|
||
x = arc4.g(1); // new least-significant-byte.
|
||
}
|
||
while (n >= overflow) { // To avoid rounding up, before adding
|
||
n /= 2; // last byte, shift everything
|
||
d /= 2; // right using integer math until
|
||
x >>>= 1; // we have exactly the desired bits.
|
||
}
|
||
return (n + x) / d; // Form the number within [0, 1).
|
||
};
|
||
|
||
prng.int32 = function() { return arc4.g(4) | 0; };
|
||
prng.quick = function() { return arc4.g(4) / 0x100000000; };
|
||
prng.double = prng;
|
||
|
||
// Mix the randomness into accumulated entropy.
|
||
mixkey(tostring(arc4.S), pool);
|
||
|
||
// Calling convention: what to return as a function of prng, seed, is_math.
|
||
return (options.pass || callback ||
|
||
function(prng, seed, is_math_call, state) {
|
||
if (state) {
|
||
// Load the arc4 state from the given state if it has an S array.
|
||
if (state.S) { copy(state, arc4); }
|
||
// Only provide the .state method if requested via options.state.
|
||
prng.state = function() { return copy(arc4, {}); };
|
||
}
|
||
|
||
// If called as a method of Math (Math.seedrandom()), mutate
|
||
// Math.random because that is how seedrandom.js has worked since v1.0.
|
||
if (is_math_call) { math[rngname] = prng; return seed; }
|
||
|
||
// Otherwise, it is a newer calling convention, so return the
|
||
// prng directly.
|
||
else return prng;
|
||
})(
|
||
prng,
|
||
shortseed,
|
||
'global' in options ? options.global : (this == math),
|
||
options.state);
|
||
}
|
||
|
||
//
|
||
// ARC4
|
||
//
|
||
// An ARC4 implementation. The constructor takes a key in the form of
|
||
// an array of at most (width) integers that should be 0 <= x < (width).
|
||
//
|
||
// The g(count) method returns a pseudorandom integer that concatenates
|
||
// the next (count) outputs from ARC4. Its return value is a number x
|
||
// that is in the range 0 <= x < (width ^ count).
|
||
//
|
||
function ARC4(key) {
|
||
var t, keylen = key.length,
|
||
me = this, i = 0, j = me.i = me.j = 0, s = me.S = [];
|
||
|
||
// The empty key [] is treated as [0].
|
||
if (!keylen) { key = [keylen++]; }
|
||
|
||
// Set up S using the standard key scheduling algorithm.
|
||
while (i < width) {
|
||
s[i] = i++;
|
||
}
|
||
for (i = 0; i < width; i++) {
|
||
s[i] = s[j = mask & (j + key[i % keylen] + (t = s[i]))];
|
||
s[j] = t;
|
||
}
|
||
|
||
// The "g" method returns the next (count) outputs as one number.
|
||
(me.g = function(count) {
|
||
// Using instance members instead of closure state nearly doubles speed.
|
||
var t, r = 0,
|
||
i = me.i, j = me.j, s = me.S;
|
||
while (count--) {
|
||
t = s[i = mask & (i + 1)];
|
||
r = r * width + s[mask & ((s[i] = s[j = mask & (j + t)]) + (s[j] = t))];
|
||
}
|
||
me.i = i; me.j = j;
|
||
return r;
|
||
// For robust unpredictability, the function call below automatically
|
||
// discards an initial batch of values. This is called RC4-drop[256].
|
||
// See http://google.com/search?q=rsa+fluhrer+response&btnI
|
||
})(width);
|
||
}
|
||
|
||
//
|
||
// copy()
|
||
// Copies internal state of ARC4 to or from a plain object.
|
||
//
|
||
function copy(f, t) {
|
||
t.i = f.i;
|
||
t.j = f.j;
|
||
t.S = f.S.slice();
|
||
return t;
|
||
}
|
||
//
|
||
// flatten()
|
||
// Converts an object tree to nested arrays of strings.
|
||
//
|
||
function flatten(obj, depth) {
|
||
var result = [], typ = (typeof obj), prop;
|
||
if (depth && typ == 'object') {
|
||
for (prop in obj) {
|
||
try { result.push(flatten(obj[prop], depth - 1)); } catch (e) {}
|
||
}
|
||
}
|
||
return (result.length ? result : typ == 'string' ? obj : obj + '\0');
|
||
}
|
||
|
||
//
|
||
// mixkey()
|
||
// Mixes a string seed into a key that is an array of integers, and
|
||
// returns a shortened string seed that is equivalent to the result key.
|
||
//
|
||
function mixkey(seed, key) {
|
||
var stringseed = seed + '', smear, j = 0;
|
||
while (j < stringseed.length) {
|
||
key[mask & j] =
|
||
mask & ((smear ^= key[mask & j] * 19) + stringseed.charCodeAt(j++));
|
||
}
|
||
return tostring(key);
|
||
}
|
||
|
||
//
|
||
// autoseed()
|
||
// Returns an object for autoseeding, using window.crypto and Node crypto
|
||
// module if available.
|
||
//
|
||
function autoseed() {
|
||
try {
|
||
var out;
|
||
if (nodecrypto && (out = nodecrypto.randomBytes)) ; else {
|
||
out = new Uint8Array(width);
|
||
(global.crypto || global.msCrypto).getRandomValues(out);
|
||
}
|
||
return tostring(out);
|
||
} catch (e) {
|
||
var browser = global.navigator,
|
||
plugins = browser && browser.plugins;
|
||
return [+new Date, global, plugins, global.screen, tostring(pool)];
|
||
}
|
||
}
|
||
|
||
//
|
||
// tostring()
|
||
// Converts an array of charcodes to a string
|
||
//
|
||
function tostring(a) {
|
||
return String.fromCharCode.apply(0, a);
|
||
}
|
||
|
||
//
|
||
// When seedrandom.js is loaded, we immediately mix a few bits
|
||
// from the built-in RNG into the entropy pool. Because we do
|
||
// not want to interfere with deterministic PRNG state later,
|
||
// seedrandom will not call math.random on its own again after
|
||
// initialization.
|
||
//
|
||
mixkey(math.random(), pool);
|
||
|
||
function is_host_selector(s) {
|
||
return /^\:(host|doodle)/.test(s);
|
||
}
|
||
|
||
function is_parent_selector(s) {
|
||
return /^\:(container|parent)/.test(s);
|
||
}
|
||
|
||
function is_special_selector(s) {
|
||
return is_host_selector(s) || is_parent_selector(s);
|
||
}
|
||
|
||
const MathFunc = {};
|
||
for (let name of Object.getOwnPropertyNames(Math)) {
|
||
MathFunc[name] = () => (...args) => {
|
||
if (typeof Math[name] === 'number') {
|
||
return Math[name];
|
||
}
|
||
args = args.map(n => calc$1(get_value(n)));
|
||
return Math[name](...args);
|
||
};
|
||
}
|
||
|
||
class Rules {
|
||
|
||
constructor(tokens) {
|
||
this.tokens = tokens;
|
||
this.rules = {};
|
||
this.props = {};
|
||
this.keyframes = {};
|
||
this.grid = null;
|
||
this.seed = null;
|
||
this.is_grid_defined = false;
|
||
this.coords = [];
|
||
this.doodles = {};
|
||
this.canvas = {};
|
||
this.pattern = {};
|
||
this.shaders = {};
|
||
this.reset();
|
||
this.custom_properties = {};
|
||
this.uniforms = {};
|
||
}
|
||
|
||
reset() {
|
||
this.styles = {
|
||
host: '',
|
||
container: '',
|
||
cells: '',
|
||
keyframes: ''
|
||
};
|
||
this.coords = [];
|
||
this.doodles = {};
|
||
this.canvas = {};
|
||
this.pattern = {};
|
||
this.shaders = {};
|
||
for (let key in this.rules) {
|
||
if (key.startsWith('#c')) {
|
||
delete this.rules[key];
|
||
}
|
||
}
|
||
}
|
||
|
||
add_rule(selector, rule) {
|
||
let rules = this.rules[selector];
|
||
if (!rules) {
|
||
rules = this.rules[selector] = [];
|
||
}
|
||
rules.push.apply(rules, make_array(rule));
|
||
}
|
||
|
||
pick_func(name) {
|
||
return Expose[name] || MathFunc[name];
|
||
}
|
||
|
||
apply_func(fn, coords, args) {
|
||
let _fn = fn(...make_array(coords));
|
||
let input = [];
|
||
args.forEach(arg => {
|
||
let type = typeof arg.value;
|
||
let is_string_or_number = (type === 'number' || type === 'string');
|
||
if (!arg.cluster && (is_string_or_number)) {
|
||
input.push(...parse$8(arg.value, { noSpace: true }));
|
||
}
|
||
else {
|
||
if (typeof arg === 'function') {
|
||
input.push(arg);
|
||
}
|
||
else if (!is_nil(arg.value)) {
|
||
let value = get_value(arg.value);
|
||
input.push(value);
|
||
}
|
||
}
|
||
});
|
||
input = remove_empty_values(input);
|
||
let result = _fn(...make_array(input));
|
||
return result;
|
||
}
|
||
|
||
compose_aname(...args) {
|
||
return args.join('-');
|
||
}
|
||
|
||
compose_selector({ x, y, z}, pseudo = '') {
|
||
return `#${ cell_id(x, y, z) }${ pseudo }`;
|
||
}
|
||
|
||
is_composable(name) {
|
||
return ['doodle', 'shaders', 'canvas', 'pattern'].includes(name);
|
||
}
|
||
|
||
read_var(value, coords) {
|
||
let count = coords.count;
|
||
let group = Object.assign({},
|
||
this.custom_properties['host'],
|
||
this.custom_properties['container'],
|
||
this.custom_properties[count]
|
||
);
|
||
if (group[value] !== undefined) {
|
||
let result = String(group[value]).trim();
|
||
if (result[0] == '(') {
|
||
let last = result[result.length - 1];
|
||
if (last === ')') {
|
||
result = result.substring(1, result.length - 1);
|
||
}
|
||
}
|
||
return result.replace(/;+$/g, '');
|
||
}
|
||
return value;
|
||
}
|
||
|
||
compose_argument(argument, coords, extra = [], parent) {
|
||
if (!coords.extra) coords.extra = [];
|
||
coords.extra.push(extra);
|
||
let result = argument.map(arg => {
|
||
if (arg.type === 'text') {
|
||
if (/^\-\-\w/.test(arg.value)) {
|
||
if (parent && parent.name === '@var') {
|
||
return arg.value;
|
||
}
|
||
return this.read_var(arg.value, coords);
|
||
}
|
||
return arg.value;
|
||
}
|
||
else if (arg.type === 'func') {
|
||
let fname = arg.name.substr(1);
|
||
let fn = this.pick_func(fname);
|
||
if (typeof fn === 'function') {
|
||
this.check_uniforms(fname);
|
||
if (this.is_composable(fname)) {
|
||
let value = get_value((arg.arguments[0] || [])[0]);
|
||
if (!is_nil(value)) {
|
||
switch (fname) {
|
||
case 'doodle':
|
||
return this.compose_doodle(this.inject_variables(value, coords.count));
|
||
case 'shaders':
|
||
return this.compose_shaders(value, coords);
|
||
case 'canvas':
|
||
return this.compose_canvas(value, arg.arguments.slice(1));
|
||
case 'pattern':
|
||
return this.compose_pattern(value, coords);
|
||
}
|
||
}
|
||
}
|
||
coords.position = arg.position;
|
||
let args = arg.arguments.map(n => {
|
||
return fn.lazy
|
||
? (...extra) => this.compose_argument(n, coords, extra, arg)
|
||
: this.compose_argument(n, coords, extra, arg);
|
||
});
|
||
let value = this.apply_func(fn, coords, args);
|
||
return value;
|
||
} else {
|
||
return arg.name;
|
||
}
|
||
}
|
||
});
|
||
|
||
coords.extra.pop();
|
||
|
||
return {
|
||
cluster: argument.cluster,
|
||
value: (result.length >= 2 ? ({ value: result.join('') }) : result[0])
|
||
}
|
||
}
|
||
|
||
compose_doodle(doodle) {
|
||
let id = unique_id('doodle');
|
||
this.doodles[id] = doodle;
|
||
return '${' + id + '}';
|
||
}
|
||
|
||
compose_shaders(shader, {x, y, z}) {
|
||
let id = unique_id('shader');
|
||
this.shaders[id] = {
|
||
id: '--' + id,
|
||
shader,
|
||
cell: cell_id(x, y, z)
|
||
};
|
||
return '${' + id + '}';
|
||
}
|
||
|
||
compose_pattern(code, {x, y, z}) {
|
||
let id = unique_id('pattern');
|
||
this.pattern[id] = {
|
||
id: '--' + id,
|
||
code,
|
||
cell: cell_id(x, y, z)
|
||
};
|
||
return '${' + id + '}';
|
||
}
|
||
|
||
compose_canvas(code, rest = []) {
|
||
let commands = code;
|
||
let result = rest.map(group => get_value(group[0])).join(',');
|
||
if (result.length) {
|
||
commands = code + ',' + result;
|
||
}
|
||
let id = unique_id('canvas');
|
||
this.canvas[id] = { code: commands };
|
||
return '${' + id + '}';
|
||
}
|
||
|
||
check_uniforms(name) {
|
||
switch (name) {
|
||
case 'ut': case 't': this.uniforms.time = true; break;
|
||
case 'ux': this.uniforms.mousex = true; break;
|
||
case 'uy': this.uniforms.mousey = true; break;
|
||
case 'uw': this.uniforms.width = true; break;
|
||
case 'uh': this.uniforms.height = true; break;
|
||
}
|
||
}
|
||
|
||
inject_variables(value, count) {
|
||
let group = Object.assign({},
|
||
this.custom_properties['host'],
|
||
this.custom_properties['container'],
|
||
this.custom_properties[count]
|
||
);
|
||
let variables = [];
|
||
for (let [name, key] of Object.entries(group)) {
|
||
variables.push(`${name}: ${key};`);
|
||
}
|
||
variables = variables.join('');
|
||
if (variables.length) {
|
||
return `:doodle { ${variables} }` + value;
|
||
}
|
||
return value;
|
||
}
|
||
|
||
compose_value(value, coords) {
|
||
if (!Array.isArray(value)) {
|
||
return {
|
||
value: '',
|
||
extra: '',
|
||
}
|
||
}
|
||
let extra = '';
|
||
let output = value.reduce((result, val) => {
|
||
switch (val.type) {
|
||
case 'text': {
|
||
result += val.value;
|
||
break;
|
||
}
|
||
case 'func': {
|
||
let fname = val.name.substr(1);
|
||
let fn = this.pick_func(fname);
|
||
if (typeof fn === 'function') {
|
||
this.check_uniforms(fname);
|
||
if (this.is_composable(fname)) {
|
||
let value = get_value((val.arguments[0] || [])[0]);
|
||
if (!is_nil(value)) {
|
||
switch (fname) {
|
||
case 'doodle':
|
||
result += this.compose_doodle(this.inject_variables(value, coords.count)); break;
|
||
case 'shaders':
|
||
result += this.compose_shaders(value, coords); break;
|
||
case 'pattern':
|
||
result += this.compose_pattern(value, coords); break;
|
||
case 'canvas':
|
||
result += this.compose_canvas(value, val.arguments.slice(1)); break;
|
||
}
|
||
}
|
||
} else {
|
||
coords.position = val.position;
|
||
let args = val.arguments.map(arg => {
|
||
return fn.lazy
|
||
? (...extra) => this.compose_argument(arg, coords, extra, val)
|
||
: this.compose_argument(arg, coords, [], val);
|
||
});
|
||
|
||
let output = this.apply_func(fn, coords, args);
|
||
if (!is_nil(output)) {
|
||
result += output;
|
||
if (output.extra) {
|
||
extra = output.extra;
|
||
}
|
||
}
|
||
}
|
||
} else {
|
||
result += val.name;
|
||
}
|
||
}
|
||
}
|
||
return result;
|
||
}, '');
|
||
|
||
return {
|
||
value: output,
|
||
extra: extra,
|
||
}
|
||
}
|
||
|
||
compose_rule(token, _coords, selector) {
|
||
let coords = Object.assign({}, _coords);
|
||
let prop = token.property;
|
||
let extra;
|
||
if (prop === '@seed') {
|
||
return '';
|
||
}
|
||
let value_group = token.value.reduce((ret, v) => {
|
||
let composed = this.compose_value(v, coords);
|
||
if (composed) {
|
||
if (composed.value) {
|
||
ret.push(composed.value);
|
||
}
|
||
if (composed.extra) {
|
||
extra = composed.extra;
|
||
}
|
||
}
|
||
return ret;
|
||
}, []);
|
||
|
||
let value = value_group.join(', ');
|
||
|
||
if (/^animation(\-name)?$/.test(prop)) {
|
||
this.props.has_animation = true;
|
||
|
||
if (is_host_selector(selector)) {
|
||
let prefix = uniform_time[prop];
|
||
if (prefix && value) {
|
||
value = prefix + ',' + value;
|
||
}
|
||
}
|
||
|
||
if (coords.count > 1) {
|
||
let { count } = coords;
|
||
switch (prop) {
|
||
case 'animation-name': {
|
||
value = value_group
|
||
.map(n => this.compose_aname(n, count))
|
||
.join(', ');
|
||
break;
|
||
}
|
||
case 'animation': {
|
||
value = value_group
|
||
.map(n => {
|
||
let group = (n || '').split(/\s+/);
|
||
group[0] = this.compose_aname(group[0], count);
|
||
return group.join(' ');
|
||
})
|
||
.join(', ');
|
||
}
|
||
}
|
||
}
|
||
}
|
||
|
||
if (prop === 'content') {
|
||
if (!/["']|^none$|^(var|counter|counters|attr|url)\(/.test(value)) {
|
||
value = `'${ value }'`;
|
||
}
|
||
}
|
||
|
||
if (prop === 'transition') {
|
||
this.props.has_transition = true;
|
||
}
|
||
|
||
let rule = `${ prop }: ${ value };`;
|
||
rule = prefixer(prop, rule);
|
||
|
||
if (prop === 'clip-path') {
|
||
// fix clip bug
|
||
rule += ';overflow: hidden;';
|
||
}
|
||
|
||
if (prop === 'width' || prop === 'height') {
|
||
if (!is_special_selector(selector)) {
|
||
rule += `--internal-cell-${ prop }: ${ value };`;
|
||
}
|
||
}
|
||
|
||
let is_bg = (prop === 'background' || prop === 'background-image');
|
||
let is_canvas = /\$\{canvas/.test(value);
|
||
let is_shader = /\$\{shader/.test(value);
|
||
let is_pattern = /\${pattern/.test(value);
|
||
if (is_bg && (is_canvas || is_shader || is_pattern)) {
|
||
rule += 'background-size: 100% 100%;';
|
||
}
|
||
|
||
if (/^\-\-/.test(prop)) {
|
||
let key = _coords.count;
|
||
if (is_parent_selector(selector)) {
|
||
key = 'container';
|
||
}
|
||
if (is_host_selector(selector)) {
|
||
key = 'host';
|
||
}
|
||
if (!this.custom_properties[key]) {
|
||
this.custom_properties[key] = {};
|
||
}
|
||
this.custom_properties[key][prop] = value;
|
||
}
|
||
|
||
if (/^@/.test(prop) && Property[prop.substr(1)]) {
|
||
let name = prop.substr(1);
|
||
let transformed = Property[name](value, {
|
||
is_special_selector: is_special_selector(selector),
|
||
grid: coords.grid,
|
||
max_grid: coords.max_grid,
|
||
extra
|
||
});
|
||
switch (name) {
|
||
case 'grid': {
|
||
if (is_host_selector(selector)) {
|
||
rule = transformed.size || '';
|
||
} else {
|
||
rule = '';
|
||
if (!this.is_grid_defined) {
|
||
transformed = Property[name](value, {
|
||
is_special_selector: true,
|
||
grid: coords.grid,
|
||
max_grid: coords.max_grid
|
||
});
|
||
this.add_rule(':host', transformed.size || '');
|
||
}
|
||
}
|
||
this.grid = coords.grid;
|
||
this.is_grid_defined = true;
|
||
break;
|
||
}
|
||
case 'seed': {
|
||
rule = '';
|
||
break;
|
||
}
|
||
case 'place-cell':
|
||
case 'place':
|
||
case 'position':
|
||
case 'offset': {
|
||
if (!is_host_selector(selector)) {
|
||
rule = transformed;
|
||
}
|
||
break;
|
||
}
|
||
case 'use': {
|
||
if (token.value.length) {
|
||
this.compose(coords, token.value);
|
||
}
|
||
rule = '';
|
||
break;
|
||
}
|
||
default: {
|
||
rule = transformed;
|
||
}
|
||
}
|
||
}
|
||
|
||
return rule;
|
||
}
|
||
|
||
get_raw_value(token) {
|
||
let raw = token.raw();
|
||
if (is_nil(raw)){
|
||
raw = '';
|
||
}
|
||
let [_, ...rest] = raw.split(token.property);
|
||
// It's not accurate, will be solved after the rewrite of css parser.
|
||
rest = rest.join(token.property)
|
||
.replace(/^\s*:\s*/, '')
|
||
.replace(/[;}<]$/, '').trim()
|
||
.replace(/[;}<]$/, '');
|
||
return rest;
|
||
}
|
||
|
||
pre_compose_rule(token, _coords) {
|
||
let coords = Object.assign({}, _coords);
|
||
let prop = token.property;
|
||
|
||
switch (prop) {
|
||
case '@grid': {
|
||
let value_group = token.value.reduce((ret, v) => {
|
||
let composed = this.compose_value(v, coords);
|
||
if (composed && composed.value) ret.push(composed.value);
|
||
return ret;
|
||
}, []);
|
||
let value = value_group.join(', ');
|
||
let name = prop.substr(1);
|
||
let transformed = Property[name](value, {
|
||
max_grid: _coords.max_grid
|
||
});
|
||
this.grid = transformed.grid;
|
||
break;
|
||
}
|
||
case '@use': {
|
||
if (token.value.length) {
|
||
this.pre_compose(coords, token.value);
|
||
}
|
||
break;
|
||
}
|
||
}
|
||
}
|
||
|
||
pre_compose(coords, tokens) {
|
||
if (is_nil(this.seed)) {
|
||
(tokens || this.tokens).forEach(token => {
|
||
if (token.type === 'rule' && token.property === '@seed') {
|
||
this.seed = this.get_raw_value(token);
|
||
}
|
||
if (token.type === 'pseudo' && is_host_selector(token.selector)) {
|
||
for (let t of make_array(token.styles)) {
|
||
if (t.type === 'rule' && t.property === '@seed') {
|
||
this.seed = this.get_raw_value(t);
|
||
}
|
||
}
|
||
}
|
||
});
|
||
if (!is_nil(this.seed)) {
|
||
coords.update_random(this.seed);
|
||
}
|
||
}
|
||
(tokens || this.tokens).forEach(token => {
|
||
switch (token.type) {
|
||
case 'rule': {
|
||
this.pre_compose_rule(token, coords);
|
||
break;
|
||
}
|
||
case 'pseudo': {
|
||
if (is_host_selector(token.selector)) {
|
||
(token.styles || []).forEach(token => {
|
||
this.pre_compose_rule(token, coords);
|
||
});
|
||
}
|
||
break;
|
||
}
|
||
}
|
||
});
|
||
}
|
||
|
||
compose(coords, tokens, initial) {
|
||
this.coords.push(coords);
|
||
(tokens || this.tokens).forEach((token, i) => {
|
||
if (token.skip) return false;
|
||
if (initial && this.grid) return false;
|
||
|
||
switch (token.type) {
|
||
case 'rule': {
|
||
this.add_rule(
|
||
this.compose_selector(coords),
|
||
this.compose_rule(token, coords)
|
||
);
|
||
break;
|
||
}
|
||
|
||
case 'pseudo': {
|
||
if (token.selector.startsWith(':doodle')) {
|
||
token.selector = token.selector.replace(/^\:+doodle/, ':host');
|
||
}
|
||
let special = is_special_selector(token.selector);
|
||
if (special) {
|
||
token.skip = true;
|
||
}
|
||
token.selector.split(',').forEach(selector => {
|
||
let pseudo = token.styles.map(s =>
|
||
this.compose_rule(s, coords, selector)
|
||
);
|
||
let composed = special
|
||
? selector
|
||
: this.compose_selector(coords, selector);
|
||
this.add_rule(composed, pseudo);
|
||
});
|
||
|
||
break;
|
||
}
|
||
|
||
case 'cond': {
|
||
let fn = Selector[token.name.substr(1)];
|
||
if (fn) {
|
||
let args = token.arguments.map(arg => {
|
||
return this.compose_argument(arg, coords);
|
||
});
|
||
let result = this.apply_func(fn, coords, args);
|
||
if (result) {
|
||
this.compose(coords, token.styles);
|
||
}
|
||
}
|
||
break;
|
||
}
|
||
|
||
case 'keyframes': {
|
||
if (!this.keyframes[token.name]) {
|
||
this.keyframes[token.name] = coords => `
|
||
${ join(token.steps.map(step => `
|
||
${ step.name } {
|
||
${ join(
|
||
step.styles.map(s => this.compose_rule(s, coords))
|
||
)}
|
||
}
|
||
`)) }
|
||
`;
|
||
}
|
||
}
|
||
}
|
||
});
|
||
}
|
||
|
||
output() {
|
||
for (let [selector, rule] of Object.entries(this.rules)) {
|
||
if (is_parent_selector(selector)) {
|
||
this.styles.container += `
|
||
.container {
|
||
${ join(rule) }
|
||
}
|
||
`;
|
||
} else {
|
||
let target = is_host_selector(selector) ? 'host' : 'cells';
|
||
let value = join(rule).trim();
|
||
let name = (target === 'host') ? `${ selector }, .host` : selector;
|
||
this.styles[target] += `${ name } { ${ value } }`;
|
||
}
|
||
}
|
||
|
||
if (this.uniforms.time) {
|
||
this.styles.container += `
|
||
:host, .host {
|
||
animation: ${ uniform_time.animation };
|
||
}
|
||
`;
|
||
this.styles.keyframes += `
|
||
@keyframes ${ uniform_time['animation-name'] } {
|
||
from { --${ uniform_time.name }: 0 }
|
||
to { --${ uniform_time.name }: ${ uniform_time['animation-duration'] / 10 } }
|
||
}
|
||
`;
|
||
}
|
||
|
||
this.coords.forEach((coords, i) => {
|
||
for (let [name, keyframe] of Object.entries(this.keyframes)) {
|
||
let aname = this.compose_aname(name, coords.count);
|
||
this.styles.keyframes += `
|
||
${ maybe(i === 0, `@keyframes ${ name } { ${ keyframe(coords) } }`)}
|
||
@keyframes ${ aname } {
|
||
${ keyframe(coords) }
|
||
}
|
||
`;
|
||
}
|
||
});
|
||
|
||
return {
|
||
props: this.props,
|
||
styles: this.styles,
|
||
grid: this.grid,
|
||
seed: this.seed,
|
||
random: this.random,
|
||
doodles: this.doodles,
|
||
shaders: this.shaders,
|
||
canvas: this.canvas,
|
||
pattern: this.pattern,
|
||
uniforms: this.uniforms,
|
||
}
|
||
}
|
||
|
||
}
|
||
|
||
function generate_css(tokens, grid_size, seed_value, max_grid, seed_random) {
|
||
let rules = new Rules(tokens);
|
||
let random = seed_random || seedrandom(String(seed_value));
|
||
let context = {};
|
||
|
||
function update_random(seed) {
|
||
random = seedrandom(String(seed));
|
||
}
|
||
|
||
function rand(start = 0, end) {
|
||
if (arguments.length == 1) {
|
||
[start, end] = [0, start];
|
||
}
|
||
return lerp(random(), start, end);
|
||
}
|
||
|
||
function pick(...items) {
|
||
let args = items.reduce((acc, n) => acc.concat(n), []);
|
||
return args[~~(random() * args.length)];
|
||
}
|
||
|
||
function shuffle(arr) {
|
||
let ret = [...arr];
|
||
let m = arr.length;
|
||
while (m) {
|
||
let i = ~~(random() * m--);
|
||
let t = ret[m];
|
||
ret[m] = ret[i];
|
||
ret[i] = t;
|
||
}
|
||
return ret;
|
||
}
|
||
|
||
rules.pre_compose({
|
||
x: 1, y: 1, z: 1, count: 1, context: {},
|
||
grid: { x: 1, y: 1, z: 1, count: 1 },
|
||
random, rand, pick, shuffle,
|
||
max_grid, update_random,
|
||
});
|
||
|
||
let { grid, seed } = rules.output();
|
||
|
||
if (grid) {
|
||
grid_size = grid;
|
||
}
|
||
|
||
if (seed) {
|
||
seed = String(seed);
|
||
random = seedrandom(seed);
|
||
} else {
|
||
seed = seed_value;
|
||
}
|
||
|
||
if (is_nil(seed)) {
|
||
seed = Date.now();
|
||
random = seedrandom(seed);
|
||
}
|
||
|
||
seed = String(seed);
|
||
rules.seed = seed;
|
||
rules.random = random;
|
||
rules.reset();
|
||
|
||
if (grid_size.z == 1) {
|
||
for (let y = 1, count = 0; y <= grid_size.y; ++y) {
|
||
for (let x = 1; x <= grid_size.x; ++x) {
|
||
rules.compose({
|
||
x, y, z: 1,
|
||
count: ++count, grid: grid_size, context,
|
||
rand, pick, shuffle,
|
||
random, seed,
|
||
max_grid,
|
||
});
|
||
}
|
||
}
|
||
}
|
||
else {
|
||
for (let z = 1, count = 0; z <= grid_size.z; ++z) {
|
||
rules.compose({
|
||
x: 1, y: 1, z,
|
||
count: ++count, grid: grid_size, context,
|
||
rand, pick, shuffle,
|
||
random, seed,
|
||
max_grid,
|
||
});
|
||
}
|
||
}
|
||
|
||
return rules.output();
|
||
}
|
||
|
||
function create_shader(gl, type, source) {
|
||
let shader = gl.createShader(type);
|
||
gl.shaderSource(shader, source);
|
||
gl.compileShader(shader);
|
||
return shader;
|
||
}
|
||
function create_program(gl, vss, fss) {
|
||
let vs = create_shader(gl, gl.VERTEX_SHADER, vss);
|
||
let fs = create_shader(gl, gl.FRAGMENT_SHADER, fss);
|
||
let prog = gl.createProgram();
|
||
gl.attachShader(prog, vs);
|
||
gl.attachShader(prog, fs);
|
||
gl.linkProgram(prog);
|
||
if (!gl.getProgramParameter(prog, gl.LINK_STATUS)) {
|
||
console.warn('Link failed: ' + gl.getProgramInfoLog(prog));
|
||
console.warn('vs info-log: ' + gl.getShaderInfoLog(vs));
|
||
console.warn('fs info-log: ' + gl.getShaderInfoLog(fs));
|
||
}
|
||
return prog;
|
||
}
|
||
|
||
function add_uniform(fragment, uniform) {
|
||
if (!fragment.includes(uniform)) {
|
||
return uniform + '\n' + fragment;
|
||
}
|
||
return fragment;
|
||
}
|
||
|
||
const fragment_head = `#version 300 es
|
||
precision highp float;
|
||
out vec4 FragColor;
|
||
`;
|
||
|
||
const default_vertex_shader = `#version 300 es
|
||
in vec4 position;
|
||
void main() {
|
||
gl_Position = position;
|
||
}
|
||
`;
|
||
|
||
// https://developer.mozilla.org/en-US/docs/Web/API/WebGL_API/Tutorial/Using_textures_in_WebGL
|
||
function load_texture(gl, image, i) {
|
||
const texture = gl.createTexture();
|
||
gl.activeTexture(gl['TEXTURE' + i]);
|
||
gl.pixelStorei(gl.UNPACK_FLIP_Y_WEBGL, true);
|
||
gl.bindTexture(gl.TEXTURE_2D, texture);
|
||
gl.texImage2D(gl.TEXTURE_2D, 0, gl.RGBA, gl.RGBA,gl.UNSIGNED_BYTE, image);
|
||
|
||
// gl.texParameteri(gl.TEXTURE_2D, gl.TEXTURE_WRAP_S, gl.CLAMP_TO_EDGE);
|
||
// gl.texParameteri(gl.TEXTURE_2D, gl.TEXTURE_WRAP_T, gl.CLAMP_TO_EDGE);
|
||
gl.texParameteri(gl.TEXTURE_2D, gl.TEXTURE_WRAP_S, gl.REPEAT);
|
||
gl.texParameteri(gl.TEXTURE_2D, gl.TEXTURE_WRAP_T, gl.REPEAT);
|
||
gl.texParameteri(gl.TEXTURE_2D, gl.TEXTURE_MIN_FILTER, gl.LINEAR);
|
||
gl.texParameteri(gl.TEXTURE_2D, gl.TEXTURE_MAG_FILTER, gl.LINEAR);
|
||
}
|
||
|
||
function draw_shader(shaders, width, height, seed) {
|
||
let result = Cache.get(shaders);
|
||
if (result) {
|
||
return Promise.resolve(result);
|
||
}
|
||
let canvas = document.createElement('canvas');
|
||
let ratio = window.devicePixelRatio || 1;
|
||
width *= ratio;
|
||
height *= ratio;
|
||
canvas.width = width;
|
||
canvas.height = height;
|
||
|
||
let gl = canvas.getContext('webgl2', {preserveDrawingBuffer: true});
|
||
if (!gl) return Promise.resolve('');
|
||
|
||
// resolution uniform
|
||
let fragment = add_uniform(shaders.fragment || '', 'uniform vec2 u_resolution;');
|
||
|
||
fragment = add_uniform(fragment, 'uniform float u_time;');
|
||
fragment = add_uniform(fragment, 'uniform float u_timeDelta;');
|
||
fragment = add_uniform(fragment, 'uniform int u_frameIndex;');
|
||
fragment = add_uniform(fragment, 'uniform vec2 u_seed;');
|
||
// fragment = add_uniform(fragment, 'uniform vec4 u_mouse;');
|
||
|
||
// texture uniform
|
||
shaders.textures.forEach(n => {
|
||
let uniform = `uniform sampler2D ${ n.name };`;
|
||
fragment = add_uniform(fragment, uniform);
|
||
});
|
||
|
||
const isShaderToyFragment = /(^|[^\w\_])void\s+mainImage\(\s*out\s+vec4\s+fragColor,\s*in\s+vec2\s+fragCoord\s*\)/mg.test(fragment);
|
||
|
||
if(isShaderToyFragment) {
|
||
fragment = `// https://www.shadertoy.com/howto
|
||
|
||
#define iResolution vec3(u_resolution, 0)
|
||
#define iTime u_time
|
||
#define iTimeDelta u_timeDelta
|
||
#define iFrame u_frameIndex
|
||
|
||
${shaders.textures.map((n, i) => `#define iChannel${i} ${n.name}`).join('\n')}
|
||
|
||
${fragment}
|
||
|
||
void main() {
|
||
mainImage(FragColor, gl_FragCoord.xy);
|
||
}`;
|
||
}
|
||
|
||
let program = create_program(
|
||
gl,
|
||
shaders.vertex || default_vertex_shader,
|
||
fragment_head + fragment
|
||
);
|
||
|
||
// position in vertex shader
|
||
let positionAttributeLocation = gl.getAttribLocation(program, 'position');
|
||
let positionBuffer = gl.createBuffer();
|
||
gl.bindBuffer(gl.ARRAY_BUFFER, positionBuffer);
|
||
let vertices = [-1, -1, -1, 1, 1, -1, 1, 1, -1, 1, 1, -1];
|
||
gl.bufferData(gl.ARRAY_BUFFER, new Float32Array(vertices), gl.STATIC_DRAW);
|
||
gl.enableVertexAttribArray(positionAttributeLocation);
|
||
gl.vertexAttribPointer(positionAttributeLocation, 2, gl.FLOAT, false, 0, 0);
|
||
|
||
gl.viewport(0, 0, gl.drawingBufferWidth, gl.drawingBufferHeight);
|
||
gl.clearColor(0, 0, 0, 0);
|
||
gl.clear(gl.COLOR_BUFFER_BIT);
|
||
|
||
gl.useProgram(program);
|
||
|
||
// resolve uniforms
|
||
const uResolutionLoc = gl.getUniformLocation(program, "u_resolution");
|
||
gl.uniform2fv(uResolutionLoc, [width, height]);
|
||
|
||
shaders.textures.forEach((n, i) => {
|
||
load_texture(gl, n.value, i);
|
||
gl.uniform1i(gl.getUniformLocation(program, n.name), i);
|
||
});
|
||
|
||
// vec2 u_seed, u_seed.x = hash(doodle.seed) / 1e16, u_seed.y = Math.random()
|
||
const uSeed = gl.getUniformLocation(program, "u_seed");
|
||
if(uSeed) {
|
||
gl.uniform2f(uSeed, hash(seed) / 1e16, Math.random());
|
||
}
|
||
|
||
// resolve image data in 72dpi :(
|
||
const uTimeLoc = gl.getUniformLocation(program, "u_time");
|
||
const uFrameLoc = gl.getUniformLocation(program, "u_frameIndex");
|
||
const uTimeDelta = gl.getUniformLocation(program, "u_timeDelta");
|
||
if(uTimeLoc || uTimeDelta || uFrameLoc) {
|
||
let frameIndex = 0;
|
||
let currentTime = 0;
|
||
return Promise.resolve(Cache.set(shaders, (t) => {
|
||
gl.clear(gl.COLOR_BUFFER_BIT);
|
||
if(uTimeLoc) gl.uniform1f(uTimeLoc, t / 1000);
|
||
if(uFrameLoc) gl.uniform1i(uFrameLoc, frameIndex++);
|
||
if(uTimeDelta) {
|
||
gl.uniform1f(uTimeDelta, (currentTime - t) / 1000);
|
||
currentTime = t;
|
||
}
|
||
gl.drawArrays(gl.TRIANGLES, 0, 6);
|
||
return canvas.toDataURL();
|
||
}));
|
||
} else {
|
||
gl.drawArrays(gl.TRIANGLES, 0, 6);
|
||
return Promise.resolve(Cache.set(shaders, canvas.toDataURL()));
|
||
}
|
||
}
|
||
|
||
function readStatement(iter, token) {
|
||
let fragment = [];
|
||
while (iter.next()) {
|
||
let { curr, next } = iter.get();
|
||
let isStatementBreak = !next || curr.isSymbol(';') || next.isSymbol('}');
|
||
fragment.push(curr);
|
||
if (isStatementBreak) {
|
||
break;
|
||
}
|
||
}
|
||
if (fragment.length) {
|
||
token.value = joinToken(fragment);
|
||
}
|
||
return token;
|
||
}
|
||
|
||
function walk(iter, parentToken) {
|
||
let rules = [];
|
||
let fragment = [];
|
||
let tokenType = parentToken && parentToken.type || '';
|
||
let stack = [];
|
||
|
||
while (iter.next()) {
|
||
let { prev, curr, next } = iter.get();
|
||
let isBlockBreak = !next || curr.isSymbol('}');
|
||
if (tokenType === 'block' && isBlockBreak) {
|
||
if (!next && rules.length && !curr.isSymbol('}')) {
|
||
rules[rules.length - 1].value += (';' + curr.value);
|
||
}
|
||
parentToken.value = rules;
|
||
break;
|
||
}
|
||
else if (curr.isSymbol('{') && fragment.length && !stack.length) {
|
||
let selectors = parseSelector(fragment);
|
||
if (!selectors.length) {
|
||
continue;
|
||
}
|
||
let block = walk(iter, {
|
||
type: 'block',
|
||
name: 'unkown',
|
||
value: []
|
||
});
|
||
|
||
selectors.forEach(selector => {
|
||
let newBlock = Object.assign({}, block, {
|
||
name: selector.name,
|
||
args: selector.args
|
||
});
|
||
rules.push(newBlock);
|
||
});
|
||
fragment = [];
|
||
}
|
||
else if (curr.isSymbol(':') && fragment.length && !stack.length) {
|
||
let prop = joinToken(fragment);
|
||
rules.push(readStatement(iter, {
|
||
type: 'statement',
|
||
name: prop,
|
||
value: ''
|
||
}));
|
||
if (tokenType == 'block') {
|
||
parentToken.value = rules;
|
||
}
|
||
fragment = [];
|
||
}
|
||
else if (curr.isSymbol(';')) {
|
||
if (rules.length && fragment.length) {
|
||
rules[rules.length - 1].value += (';' + joinToken(fragment));
|
||
fragment = [];
|
||
}
|
||
} else {
|
||
if (curr.isSymbol('(')) {
|
||
stack.push(curr);
|
||
}
|
||
if (curr.isSymbol(')')) {
|
||
stack.pop();
|
||
}
|
||
fragment.push(curr);
|
||
}
|
||
}
|
||
|
||
if (rules.length && tokenType == 'block') {
|
||
parentToken.value = rules;
|
||
}
|
||
return tokenType ? parentToken : rules;
|
||
}
|
||
|
||
function joinToken(tokens) {
|
||
return tokens
|
||
.filter((token, i) => {
|
||
if (token.isSymbol(';') && i === tokens.length - 1) return false;
|
||
return true;
|
||
})
|
||
.map(n => n.value).join('');
|
||
}
|
||
|
||
function parseSelector(tokens) {
|
||
let iter = iterator$1(tokens);
|
||
let groups = [];
|
||
let selectorName = '';
|
||
let args = [];
|
||
let fragments = [];
|
||
let stack = [];
|
||
while (iter.next()) {
|
||
let { curr, next } = iter.get();
|
||
if (!selectorName.length && curr.isWord()) {
|
||
selectorName = curr.value;
|
||
}
|
||
else if (curr.isSymbol('(')) {
|
||
if (stack.length) {
|
||
fragments.push(curr.value);
|
||
}
|
||
stack.push(curr);
|
||
}
|
||
else if (curr.isSymbol(')')) {
|
||
stack.pop();
|
||
if (stack.length) {
|
||
fragments.push(curr.value);
|
||
} else if (fragments.length) {
|
||
args.push(fragments.join(''));
|
||
fragments = [];
|
||
}
|
||
}
|
||
else if (curr.isSymbol(',')) {
|
||
if (stack.length) {
|
||
args.push(fragments.join(''));
|
||
fragments = [];
|
||
} else {
|
||
if (fragments.length) {
|
||
args.push(fragments.join(''));
|
||
fragments = [];
|
||
}
|
||
if (selectorName) {
|
||
groups.push({
|
||
name: selectorName,
|
||
args
|
||
});
|
||
selectorName = '';
|
||
args = [];
|
||
fragments = [];
|
||
}
|
||
}
|
||
}
|
||
else {
|
||
fragments.push(curr.value);
|
||
}
|
||
}
|
||
|
||
if (selectorName) {
|
||
groups.push({
|
||
name: selectorName,
|
||
args
|
||
});
|
||
}
|
||
|
||
return groups.filter((v, i, self) => {
|
||
let idx = self.findIndex(n => {
|
||
return (n.name === v.name && v.args.join('') == n.args.join(''));
|
||
});
|
||
return idx === i;
|
||
});
|
||
}
|
||
|
||
function parse(source) {
|
||
let iter = iterator$1(scan(source));
|
||
let tokens = walk(iter);
|
||
return tokens;
|
||
}
|
||
|
||
function generate_shader(input, grid) {
|
||
return `
|
||
vec3 mapping(vec2 uv, vec2 grid) {
|
||
vec2 _grid = 1.0/grid;
|
||
float x = ceil(uv.x/_grid.x);
|
||
float y = ceil(grid.y - uv.y/_grid.y);
|
||
float i = x + (y - 1.0) * y;
|
||
return vec3(x, y, i);
|
||
}
|
||
vec4 getColor(float x, float y, float i, float I, float X, float Y, float t) {
|
||
vec4 color = vec4(0, 0, 0, 0);
|
||
${input}
|
||
return color;
|
||
}
|
||
void main() {
|
||
vec2 uv = gl_FragCoord.xy/u_resolution.xy;
|
||
vec2 grid = vec2(${grid.x}, ${grid.y});
|
||
vec3 p = mapping(uv, grid);
|
||
FragColor = getColor(p.x, p.y, p.z, grid.x * grid.y, grid.x, grid.y, u_time);
|
||
}
|
||
`;
|
||
}
|
||
|
||
function generate_statement(token, extra) {
|
||
if (token.name === 'fill') {
|
||
let {r, g, b, a} = extra.get_rgba_color(token.value);
|
||
return {
|
||
type: 'statement',
|
||
value: `\ncolor = vec4(${float(r/255)}, ${float(g/255)}, ${float(b/255)}, ${float(a)});\n`,
|
||
}
|
||
}
|
||
if (token.name == 'grid') {
|
||
return {
|
||
type: 'grid',
|
||
value: token.value,
|
||
}
|
||
}
|
||
return {
|
||
type: 'statement',
|
||
value: ''
|
||
}
|
||
}
|
||
|
||
function generate_block(token, extra) {
|
||
if (token.name === 'match') {
|
||
let cond = token.args[0];
|
||
let values = [];
|
||
token.value.forEach(t => {
|
||
let statement = generate_statement(t, extra);
|
||
if (statement.type == 'statement') {
|
||
values.push(statement.value);
|
||
}
|
||
});
|
||
return `
|
||
if (${cond}) {
|
||
${values.join('')}
|
||
}
|
||
`
|
||
}
|
||
return '';
|
||
}
|
||
|
||
function float(n) {
|
||
return String(n).includes('.') ? n : n + '.0';
|
||
}
|
||
|
||
function get_grid(input) {
|
||
let [x, y = x] = String(input + '')
|
||
.replace(/\s+/g, '')
|
||
.replace(/[,，xX]+/g, 'x')
|
||
.split('x')
|
||
.map(n => parseInt(n));
|
||
if (!x || x < 1) x = 1;
|
||
if (!y || y < 1) y = 1;
|
||
return { x, y }
|
||
}
|
||
|
||
function draw_pattern(code, extra) {
|
||
let tokens = parse(code);
|
||
let result = [];
|
||
let grid = {x: 1, y: 1 };
|
||
tokens.forEach(token => {
|
||
if (token.type === 'statement') {
|
||
let statement = generate_statement(token, extra);
|
||
if (statement.type == 'statement') {
|
||
result.push(statement.value);
|
||
}
|
||
if (statement.type === 'grid') {
|
||
grid = get_grid(statement.value);
|
||
}
|
||
} else if (token.type === 'block') {
|
||
result.push(generate_block(token, extra));
|
||
}
|
||
});
|
||
return generate_shader(result.join(''), grid);
|
||
}
|
||
|
||
const nextId = next_id();
|
||
|
||
function draw_canvas(code) {
|
||
let result = Cache.get(code);
|
||
if (result) {
|
||
return Promise.resolve(result);
|
||
}
|
||
let name = nextId('css-doodle-paint');
|
||
let wrapped = generate(name, code);
|
||
|
||
let blob = new Blob([wrapped], { type: 'text/javascript' });
|
||
try {
|
||
if (CSS.paintWorklet) {
|
||
CSS.paintWorklet.addModule(URL.createObjectURL(blob));
|
||
}
|
||
} catch(e) {}
|
||
|
||
return Promise.resolve(Cache.set(code, `paint(${name})`));
|
||
}
|
||
|
||
function generate(name, code) {
|
||
code = un_entity(code);
|
||
// make it so
|
||
if (!code.includes('paint(')) {
|
||
code = `
|
||
paint(ctx, {width, height}, props) {
|
||
${code}
|
||
}
|
||
`;
|
||
}
|
||
return `
|
||
registerPaint('${name}', class {
|
||
${ code }
|
||
})
|
||
`;
|
||
}
|
||
|
||
function svg_to_png(svg, width, height, scale) {
|
||
return new Promise((resolve, reject) => {
|
||
let source = `data:image/svg+xml;utf8,${ encodeURIComponent(svg) }`;
|
||
function action() {
|
||
let img = new Image();
|
||
img.crossOrigin = 'anonymous';
|
||
img.src = source;
|
||
|
||
img.onload = () => {
|
||
let canvas = document.createElement('canvas');
|
||
let ctx = canvas.getContext('2d');
|
||
|
||
let dpr = window.devicePixelRatio || 1;
|
||
/* scale with devicePixelRatio only when the scale equals 1 */
|
||
if (scale != 1) {
|
||
dpr = 1;
|
||
}
|
||
|
||
canvas.width = width * dpr;
|
||
canvas.height = height * dpr;
|
||
ctx.drawImage(img, 0, 0, canvas.width, canvas.height);
|
||
|
||
try {
|
||
canvas.toBlob(blob => {
|
||
resolve({
|
||
blob,
|
||
source,
|
||
url: URL.createObjectURL(blob)
|
||
});
|
||
});
|
||
} catch (e) {
|
||
reject(e);
|
||
}
|
||
};
|
||
}
|
||
|
||
if (is_safari()) {
|
||
cache_image(source, action, 200);
|
||
} else {
|
||
action();
|
||
}
|
||
});
|
||
}
|
||
|
||
function get_all_variables(element) {
|
||
if (typeof getComputedStyle === 'undefined') {
|
||
return '';
|
||
}
|
||
let ret = {};
|
||
if (element.computedStyleMap) {
|
||
for (let [prop, value] of element.computedStyleMap()) {
|
||
if (prop.startsWith('--')) {
|
||
ret[prop] = value[0][0];
|
||
}
|
||
}
|
||
} else {
|
||
let styles = getComputedStyle(element);
|
||
for (let prop of styles) {
|
||
if (prop.startsWith('--')) {
|
||
ret[prop] = styles.getPropertyValue(prop);
|
||
}
|
||
}
|
||
}
|
||
return inline(ret);
|
||
}
|
||
|
||
function get_variable(element, name) {
|
||
if (typeof getComputedStyle === 'undefined') {
|
||
return '';
|
||
}
|
||
return getComputedStyle(element).getPropertyValue(name)
|
||
.trim()
|
||
.replace(/^\(|\)$/g, '');
|
||
}
|
||
|
||
function inline(map) {
|
||
let result = [];
|
||
for (let [prop, value] of Object.entries(map)) {
|
||
result.push(prop + ':' + value);
|
||
}
|
||
return result.join(';');
|
||
}
|
||
|
||
function transform(color) {
|
||
let [r, g, b, a = 1] = color
|
||
.replace(/rgba?\((.+)\)/, (_, v) => v)
|
||
.split(/,\s*/);
|
||
return {r, g, b, a};
|
||
}
|
||
|
||
function get_rgba_color(root, value) {
|
||
let element = root.querySelector('#defs');
|
||
if (!element) {
|
||
return { r: 0, g: 0, b: 0, a: 1 }
|
||
}
|
||
element.style.color = value;
|
||
return transform(getComputedStyle(element).color);
|
||
}
|
||
|
||
const STEP60 = 1000 / 60; // 60fps
|
||
const STEP1 = 1000 / 1; // 1fps
|
||
|
||
function createAnimationFrame(fn) {
|
||
let id;
|
||
let time = 0;
|
||
let lastTime = 0;
|
||
let lastStep = 0;
|
||
let paused = false;
|
||
function loop(stamp) {
|
||
if (!time) time = stamp;
|
||
fn(time);
|
||
let step = (stamp - lastTime);
|
||
if (step < STEP60) step = STEP60;
|
||
if (step > STEP1) step = lastStep || STEP1;
|
||
if (lastTime) time += step;
|
||
lastStep = step;
|
||
lastTime = stamp;
|
||
id = requestAnimationFrame(loop);
|
||
}
|
||
id = requestAnimationFrame(loop);
|
||
return {
|
||
resume() {
|
||
if (id && paused) {
|
||
paused = false;
|
||
id = requestAnimationFrame(loop);
|
||
}
|
||
},
|
||
pause() {
|
||
if (id) {
|
||
cancelAnimationFrame(id);
|
||
paused = true;
|
||
}
|
||
},
|
||
cancel() {
|
||
if (id) {
|
||
paused = false;
|
||
cancelAnimationFrame(id);
|
||
id = null;
|
||
}
|
||
},
|
||
}
|
||
}
|
||
|
||
if (typeof customElements !== 'undefined') {
|
||
class Doodle extends HTMLElement {
|
||
constructor() {
|
||
super();
|
||
this.doodle = this.attachShadow({ mode: 'open' });
|
||
this.animations = [];
|
||
this.extra = {
|
||
get_variable: name => get_variable(this, name),
|
||
get_rgba_color: value => get_rgba_color(this.shadowRoot, value),
|
||
};
|
||
}
|
||
|
||
connectedCallback(again) {
|
||
if (this.innerHTML) {
|
||
this.load(again);
|
||
} else {
|
||
setTimeout(() => this.load(again));
|
||
}
|
||
}
|
||
|
||
disconnectedCallback() {
|
||
this.cleanup();
|
||
}
|
||
|
||
cleanup() {
|
||
Cache.clear();
|
||
for (let animation of this.animations) {
|
||
animation.cancel();
|
||
}
|
||
this.animations = [];
|
||
}
|
||
|
||
update(styles) {
|
||
this.cleanup();
|
||
|
||
let use = this.get_use();
|
||
if (!styles) styles = un_entity(this.innerHTML);
|
||
this.innerHTML = styles;
|
||
|
||
if (!this.grid_size) {
|
||
this.grid_size = this.get_grid();
|
||
}
|
||
|
||
let { x: gx, y: gy, z: gz } = this.grid_size;
|
||
|
||
const compiled = this.generate(
|
||
parse$6(use + styles, this.extra)
|
||
);
|
||
|
||
if (!this.shadowRoot.innerHTML) {
|
||
Object.assign(this.grid_size, compiled.grid);
|
||
return this.build_grid(compiled, compiled.grid);
|
||
}
|
||
|
||
if (compiled.grid) {
|
||
let { x, y, z } = compiled.grid;
|
||
if (gx !== x || gy !== y || gz !== z) {
|
||
Object.assign(this.grid_size, compiled.grid);
|
||
return this.build_grid(compiled, compiled.grid);
|
||
}
|
||
Object.assign(this.grid_size, compiled.grid);
|
||
}
|
||
else {
|
||
let grid = this.get_grid();
|
||
let { x, y, z } = grid;
|
||
if (gx !== x || gy !== y || gz !== z) {
|
||
Object.assign(this.grid_size, grid);
|
||
return this.build_grid(
|
||
this.generate(parse$6(use + styles, this.extra)),
|
||
grid
|
||
);
|
||
}
|
||
}
|
||
|
||
let replace = this.replace(compiled);
|
||
this.set_content('.style-keyframes', replace(compiled.styles.keyframes));
|
||
|
||
if (compiled.props.has_animation) {
|
||
this.set_content('.style-cells', '');
|
||
this.set_content('.style-container', '');
|
||
}
|
||
|
||
setTimeout(() => {
|
||
this.set_content('.style-container', replace(
|
||
get_grid_styles(this.grid_size)
|
||
+ compiled.styles.host
|
||
+ compiled.styles.container
|
||
));
|
||
this.set_content('.style-cells', replace(compiled.styles.cells));
|
||
});
|
||
}
|
||
|
||
get grid() {
|
||
return Object.assign({}, this.grid_size);
|
||
}
|
||
|
||
set grid(grid) {
|
||
this.attr('grid', grid);
|
||
this.connectedCallback(true);
|
||
}
|
||
|
||
get seed() {
|
||
return this._seed_value;
|
||
}
|
||
|
||
set seed(seed) {
|
||
this.attr('seed', seed);
|
||
this.connectedCallback(true);
|
||
}
|
||
|
||
get use() {
|
||
return this.attr('use');
|
||
}
|
||
|
||
set use(use) {
|
||
this.attr('use', use);
|
||
this.connectedCallback(true);
|
||
}
|
||
|
||
get_max_grid() {
|
||
return this.hasAttribute('experimental') ? 256 : 64;
|
||
}
|
||
|
||
get_grid() {
|
||
return parse_grid(this.attr('grid'), this.get_max_grid());
|
||
}
|
||
|
||
get_use() {
|
||
let use = String(this.attr('use') || '').trim();
|
||
if (/^var\(/.test(use)) {
|
||
use = `@use:${ use };`;
|
||
}
|
||
return use;
|
||
}
|
||
|
||
attr(name, value) {
|
||
if (arguments.length === 1) {
|
||
return this.getAttribute(name);
|
||
}
|
||
if (arguments.length === 2) {
|
||
this.setAttribute(name, value);
|
||
return value;
|
||
}
|
||
}
|
||
|
||
generate(parsed) {
|
||
let grid = this.get_grid();
|
||
let seed = this.attr('seed') || this.attr('data-seed');
|
||
if (is_nil(seed)) {
|
||
seed = Date.now();
|
||
}
|
||
let compiled = this.compiled = generate_css(
|
||
parsed, grid, seed, this.get_max_grid()
|
||
);
|
||
this._seed_value = compiled.seed;
|
||
this._seed_random = compiled.random;
|
||
return compiled;
|
||
}
|
||
|
||
doodle_to_image(code, options, fn) {
|
||
if (typeof options === 'function') {
|
||
fn = options;
|
||
options = null;
|
||
}
|
||
code = ':doodle { width:100%;height:100% }' + code;
|
||
let parsed = parse$6(code, this.extra);
|
||
let _grid = parse_grid('');
|
||
let compiled = generate_css(parsed, _grid, this._seed_value, this.get_max_grid(), this._seed_random);
|
||
let grid = compiled.grid ? compiled.grid : _grid;
|
||
const { keyframes, host, container, cells } = compiled.styles;
|
||
|
||
let replace = this.replace(compiled);
|
||
let grid_container = create_grid(grid);
|
||
|
||
let size = (options && options.width && options.height)
|
||
? `width="${ options.width }" height="${ options.height }"`
|
||
: '';
|
||
|
||
replace(`
|
||
<svg ${ size } xmlns="http://www.w3.org/2000/svg" preserveAspectRatio="none">
|
||
<foreignObject width="100%" height="100%">
|
||
<div class="host" xmlns="http://www.w3.org/1999/xhtml">
|
||
<style>
|
||
${ get_basic_styles() }
|
||
${ get_grid_styles(grid) }
|
||
${ host }
|
||
${ container }
|
||
${ cells }
|
||
${ keyframes }
|
||
</style>
|
||
<svg id="defs" xmlns="http://www.w3.org/2000/svg" style="width:0; height:0"></svg>
|
||
${ grid_container }
|
||
</div>
|
||
</foreignObject>
|
||
</svg>
|
||
`).then(result => {
|
||
let source =`data:image/svg+xml;base64,${ window.btoa(unescape(encodeURIComponent(result))) }`;
|
||
if (is_safari()) {
|
||
cache_image(source);
|
||
}
|
||
fn(source);
|
||
});
|
||
}
|
||
|
||
pattern_to_image({ code, cell, id }, fn) {
|
||
let shader = draw_pattern(code, this.extra);
|
||
this.shader_to_image({ shader, cell, id }, fn);
|
||
}
|
||
|
||
canvas_to_image({ code }, fn) {
|
||
draw_canvas(code).then(fn);
|
||
}
|
||
|
||
pause() {
|
||
this.setAttribute('cssd-paused-animation', true);
|
||
for (let animation of this.animations) {
|
||
animation.pause();
|
||
}
|
||
}
|
||
|
||
resume() {
|
||
this.removeAttribute('cssd-paused-animation');
|
||
for (let animation of this.animations) {
|
||
animation.resume();
|
||
}
|
||
}
|
||
|
||
shader_to_image({ shader, cell, id }, fn) {
|
||
let parsed = typeof shader === 'string' ? parse$5(shader) : shader;
|
||
let element = this.doodle.getElementById(cell);
|
||
const seed = this.seed;
|
||
|
||
const set_shader_prop = (v) => {
|
||
element.style.setProperty(id, `url(${v})`);
|
||
};
|
||
|
||
const tick = (value) => {
|
||
if (typeof value === 'function') {
|
||
let animation = createAnimationFrame(t => {
|
||
set_shader_prop(value(t));
|
||
});
|
||
this.animations.push(animation);
|
||
return '';
|
||
}
|
||
set_shader_prop(value);
|
||
};
|
||
|
||
let { width, height } = element && element.getBoundingClientRect() || {
|
||
width: 0, height: 0
|
||
};
|
||
|
||
let ratio = window.devicePixelRatio || 1;
|
||
if (!parsed.textures.length || parsed.ticker) {
|
||
draw_shader(parsed, width, height, seed).then(tick).then(fn);
|
||
}
|
||
// Need to bind textures first
|
||
else {
|
||
let transforms = parsed.textures.map(texture => {
|
||
return new Promise(resolve => {
|
||
this.doodle_to_image(texture.value, { width, height }, src => {
|
||
let img = new Image();
|
||
img.width = width * ratio;
|
||
img.height = height * ratio;
|
||
img.onload = () => resolve({ name: texture.name, value: img });
|
||
img.src = src;
|
||
});
|
||
});
|
||
});
|
||
Promise.all(transforms).then(textures => {
|
||
parsed.textures = textures;
|
||
draw_shader(parsed, width, height, seed).then(tick).then(fn);
|
||
});
|
||
}
|
||
}
|
||
|
||
load(again) {
|
||
this.cleanup();
|
||
let use = this.get_use();
|
||
let parsed = parse$6(use + un_entity(this.innerHTML), this.extra);
|
||
let compiled = this.generate(parsed);
|
||
|
||
if (!again) {
|
||
if (this.hasAttribute('click-to-update')) {
|
||
this.addEventListener('click', e => this.update());
|
||
}
|
||
}
|
||
|
||
this.grid_size = compiled.grid
|
||
? compiled.grid
|
||
: this.get_grid();
|
||
|
||
this.build_grid(compiled, this.grid_size);
|
||
}
|
||
|
||
replace({ doodles, shaders, canvas, pattern }) {
|
||
let doodle_ids = Object.keys(doodles);
|
||
let shader_ids = Object.keys(shaders);
|
||
let canvas_ids = Object.keys(canvas);
|
||
let pattern_ids = Object.keys(pattern);
|
||
let length = doodle_ids.length + canvas_ids.length + shader_ids.length + pattern_ids.length;
|
||
return input => {
|
||
if (!length) {
|
||
return Promise.resolve(input);
|
||
}
|
||
let mappings = [].concat(
|
||
doodle_ids.map(id => {
|
||
if (input.includes(id)) {
|
||
return new Promise(resolve => {
|
||
this.doodle_to_image(doodles[id], value => resolve({ id, value }));
|
||
});
|
||
} else {
|
||
return Promise.resolve('');
|
||
}
|
||
}),
|
||
shader_ids.map(id => {
|
||
if (input.includes(id)) {
|
||
return new Promise(resolve => {
|
||
this.shader_to_image(shaders[id], value => resolve({ id, value }));
|
||
});
|
||
} else {
|
||
return Promise.resolve('');
|
||
}
|
||
}),
|
||
canvas_ids.map(id => {
|
||
if (input.includes(id)) {
|
||
return new Promise(resolve => {
|
||
this.canvas_to_image(canvas[id], value => resolve({ id, value }));
|
||
});
|
||
} else {
|
||
return Promise.resolve('');
|
||
}
|
||
}),
|
||
pattern_ids.map(id => {
|
||
if (input.includes(id)) {
|
||
return new Promise(resolve => {
|
||
this.pattern_to_image(pattern[id], value => resolve({ id, value }));
|
||
});
|
||
} else {
|
||
return Promise.resolve('');
|
||
}
|
||
}),
|
||
);
|
||
|
||
return Promise.all(mappings).then(mapping => {
|
||
for (let {id, value} of mapping) {
|
||
/* default to data-uri for doodle and pattern */
|
||
let target = `url(${value})`;
|
||
/* canvas uses css painting api */
|
||
if (/^canvas/.test(id)) target = value;
|
||
/* shader uses css vars */
|
||
if (/^shader|^pattern/.test(id)) target = `var(--${id})`;
|
||
input = input.replaceAll('${' + id + '}', target);
|
||
}
|
||
return input;
|
||
});
|
||
}
|
||
}
|
||
|
||
build_grid(compiled, grid) {
|
||
const { has_transition, has_animation } = compiled.props;
|
||
let has_delay = (has_transition || has_animation);
|
||
|
||
const { keyframes, host, container, cells } = compiled.styles;
|
||
let style_container = get_grid_styles(grid) + host + container;
|
||
let style_cells = has_delay ? '' : cells;
|
||
|
||
const { uniforms } = compiled;
|
||
|
||
let replace = this.replace(compiled);
|
||
|
||
this.doodle.innerHTML = `
|
||
<style>${ get_basic_styles() }</style>
|
||
<style class="style-keyframes">${ keyframes }</style>
|
||
<style class="style-container">${ style_container }</style>
|
||
<style class="style-cells">${ style_cells }</style>
|
||
<svg id="defs" xmlns="http://www.w3.org/2000/svg" style="width:0;height:0"></svg>
|
||
${ create_grid(grid) }
|
||
`;
|
||
|
||
this.set_content('.style-container', replace(style_container));
|
||
|
||
if (has_delay) {
|
||
setTimeout(() => {
|
||
this.set_content('.style-cells', replace(cells));
|
||
}, 50);
|
||
} else {
|
||
this.set_content('.style-cells', replace(cells));
|
||
}
|
||
|
||
if (uniforms.time) {
|
||
this.register_uniform_time();
|
||
}
|
||
if (uniforms.mousex || uniforms.mousey) {
|
||
this.register_uniform_mouse(uniforms);
|
||
} else {
|
||
this.remove_uniform_mouse();
|
||
}
|
||
if (uniforms.width || uniforms.height) {
|
||
this.register_uniform_resolution(uniforms);
|
||
} else {
|
||
this.remove_uniform_resolution();
|
||
}
|
||
}
|
||
|
||
register_uniform_mouse(uniforms) {
|
||
if (!this.uniform_mouse_callback) {
|
||
let { uniform_mousex, uniform_mousey } = Uniforms;
|
||
this.uniform_mouse_callback = e => {
|
||
let data = e.detail || e;
|
||
if (uniforms.mousex) {
|
||
this.style.setProperty('--' + uniform_mousex.name, data.offsetX);
|
||
}
|
||
if (uniforms.mousey) {
|
||
this.style.setProperty('--' + uniform_mousey.name, data.offsetY);
|
||
}
|
||
};
|
||
this.addEventListener('pointermove', this.uniform_mouse_callback);
|
||
let event = new CustomEvent('pointermove', { detail: { offsetX: 0, offsetY: 0}});
|
||
this.dispatchEvent(event);
|
||
}
|
||
}
|
||
|
||
remove_uniform_mouse() {
|
||
if (this.uniform_mouse_callback) {
|
||
let { uniform_mousex, uniform_mousey } = Uniforms;
|
||
this.style.removeProperty('--' + uniform_mousex.name);
|
||
this.style.removeProperty('--' + uniform_mousey.name);
|
||
this.removeEventListener('pointermove', this.uniform_mouse_callback);
|
||
this.uniform_mouse_callback = null;
|
||
}
|
||
}
|
||
|
||
register_uniform_resolution(uniforms) {
|
||
if (!this.uniform_resolution_observer) {
|
||
let { uniform_width, uniform_height } = Uniforms;
|
||
const setProperty = () => {
|
||
let box = this.getBoundingClientRect();
|
||
if (uniforms.width) {
|
||
this.style.setProperty('--' + uniform_width.name, box.width);
|
||
}
|
||
if (uniforms.height) {
|
||
this.style.setProperty('--' + uniform_height.name, box.height);
|
||
}
|
||
};
|
||
setProperty();
|
||
this.uniform_resolution_observer = new ResizeObserver(entries => {
|
||
for (let entry of entries) {
|
||
let data = entry.contentBoxSize || entry.contentRect;
|
||
if (data) setProperty();
|
||
}
|
||
});
|
||
this.uniform_resolution_observer.observe(this);
|
||
}
|
||
}
|
||
|
||
remove_uniform_resolution() {
|
||
if (this.uniform_resolution_observer) {
|
||
let { uniform_width, uniform_height } = Uniforms;
|
||
this.style.removeProperty('--' + uniform_width.name);
|
||
this.style.removeProperty('--' + uniform_height.name);
|
||
this.uniform_resolution_observer.unobserve(this);
|
||
this.uniform_resolution_observer = null;
|
||
}
|
||
}
|
||
|
||
register_uniform_time() {
|
||
if (!window.CSS || !window.CSS.registerProperty) {
|
||
return false;
|
||
}
|
||
if (!this.is_uniform_time_registered) {
|
||
let { uniform_time } = Uniforms;
|
||
try {
|
||
CSS.registerProperty({
|
||
name: '--' + uniform_time.name,
|
||
syntax: '<number>',
|
||
initialValue: 0,
|
||
inherits: true
|
||
});
|
||
} catch (e) {}
|
||
this.is_uniform_time_registered = true;
|
||
}
|
||
}
|
||
|
||
export({ scale, name, download, detail } = {}) {
|
||
return new Promise((resolve, reject) => {
|
||
let variables = get_all_variables(this);
|
||
let html = this.doodle.innerHTML;
|
||
|
||
let { width, height } = this.getBoundingClientRect();
|
||
scale = parseInt(scale) || 1;
|
||
|
||
let w = width * scale;
|
||
let h = height * scale;
|
||
|
||
let svg = `
|
||
<svg xmlns="http://www.w3.org/2000/svg"
|
||
preserveAspectRatio="none"
|
||
viewBox="0 0 ${ width } ${ height }"
|
||
${ is_safari() ? '' : `width="${ w }px" height="${ h }px"` }
|
||
>
|
||
<foreignObject width="100%" height="100%">
|
||
<div
|
||
class="host"
|
||
xmlns="http://www.w3.org/1999/xhtml"
|
||
style="width: ${ width }px; height: ${ height }px; "
|
||
>
|
||
<style>.host { ${entity(variables)} }</style>
|
||
${ html }
|
||
</div>
|
||
</foreignObject>
|
||
</svg>
|
||
`;
|
||
|
||
if (download || detail) {
|
||
svg_to_png(svg, w, h, scale)
|
||
.then(({ source, url, blob }) => {
|
||
resolve({
|
||
width: w, height: h, svg, blob, source
|
||
});
|
||
if (download) {
|
||
let a = document.createElement('a');
|
||
a.download = normalize_png_name(name);
|
||
a.href = url;
|
||
a.click();
|
||
}
|
||
})
|
||
.catch(error => {
|
||
reject(error);
|
||
});
|
||
} else {
|
||
resolve({
|
||
width: w, height: h, svg: svg
|
||
});
|
||
}
|
||
});
|
||
}
|
||
|
||
set_content(selector, styles) {
|
||
if (styles instanceof Promise) {
|
||
styles.then(value => {
|
||
this.set_content(selector, value);
|
||
});
|
||
} else {
|
||
const el = this.shadowRoot.querySelector(selector);
|
||
el && (el.styleSheet
|
||
? (el.styleSheet.cssText = styles )
|
||
: (el.innerHTML = styles));
|
||
}
|
||
}
|
||
}
|
||
if (!customElements.get('css-doodle')) {
|
||
customElements.define('css-doodle', Doodle);
|
||
}
|
||
}
|
||
|
||
function get_basic_styles() {
|
||
let { uniform_time } = Uniforms;
|
||
const inherited_grid_props = get_props(/grid/)
|
||
.map(n => `${ n }: inherit;`)
|
||
.join('');
|
||
return `
|
||
*, *::after, *::before {
|
||
box-sizing: border-box;
|
||
animation-play-state: var(--cssd-animation-play-state) !important;
|
||
}
|
||
:host, .host {
|
||
display: block;
|
||
visibility: visible;
|
||
width: auto;
|
||
height: auto;
|
||
--${ uniform_time.name }: 0
|
||
}
|
||
:host([hidden]), .host[hidden] {
|
||
display: none
|
||
}
|
||
.container {
|
||
position: relative;
|
||
width: 100%;
|
||
height: 100%;
|
||
display: grid;
|
||
${ inherited_grid_props }
|
||
}
|
||
cell:empty {
|
||
position: relative;
|
||
line-height: 1;
|
||
display: grid;
|
||
place-items: center
|
||
}
|
||
svg {
|
||
position: absolute;
|
||
width: 100%;
|
||
height: 100%;
|
||
}
|
||
:host([cssd-paused-animation]) {
|
||
--cssd-animation-play-state: paused;
|
||
animation-play-state: paused !important;
|
||
}
|
||
`;
|
||
}
|
||
|
||
function get_grid_styles(grid_obj) {
|
||
let { x, y } = grid_obj || {};
|
||
return `
|
||
:host, .host {
|
||
grid-template-rows: repeat(${ y }, 1fr);
|
||
grid-template-columns: repeat(${ x }, 1fr);
|
||
}
|
||
`;
|
||
}
|
||
|
||
function create_cell(x, y, z) {
|
||
let cell = document.createElement('cell');
|
||
cell.id = cell_id(x, y, z);
|
||
return cell;
|
||
}
|
||
|
||
function create_grid(grid_obj) {
|
||
let { x, y, z } = grid_obj || {};
|
||
let grid = document.createElement('grid');
|
||
let root = document.createDocumentFragment();
|
||
if (z == 1) {
|
||
for (let j = 1; j <= y; ++j) {
|
||
for (let i = 1; i <= x; ++i) {
|
||
root.appendChild(create_cell(i, j, 1));
|
||
}
|
||
}
|
||
}
|
||
else {
|
||
let temp = null;
|
||
for (let i = 1; i <= z; ++i) {
|
||
let cell = create_cell(1, 1, i);
|
||
(temp || root).appendChild(cell);
|
||
temp = cell;
|
||
}
|
||
temp = null;
|
||
}
|
||
grid.className = 'container';
|
||
grid.appendChild(root);
|
||
return grid.outerHTML;
|
||
}
|
||
|
||
var index = make_tag_function(rules => {
|
||
let doodle = document.createElement('css-doodle');
|
||
if (doodle.update) {
|
||
doodle.update(rules);
|
||
}
|
||
return doodle;
|
||
});
|
||
|
||
return index;
|
||
|
||
}));
|