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Diffstat (limited to 'js/mathjax/extensions/TeX/color.js')
| -rw-r--r-- | js/mathjax/extensions/TeX/color.js | 283 |
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diff --git a/js/mathjax/extensions/TeX/color.js b/js/mathjax/extensions/TeX/color.js new file mode 100644 index 0000000..45c9b9e --- /dev/null +++ b/js/mathjax/extensions/TeX/color.js @@ -0,0 +1,283 @@ +// @license magnet:?xt=urn:btih:8e4f440f4c65981c5bf93c76d35135ba5064d8b7dn=apache-2.0.txt Apache-2.0 +/* -*- Mode: Javascript; indent-tabs-mode:nil; js-indent-level: 2 -*- */ +/* vim: set ts=2 et sw=2 tw=80: */ + +/************************************************************* + * + * MathJax/extensions/TeX/color.js + * + * Implements LaTeX-compatible \color macro rather than MathJax's original + * (non-standard) version. It includes the rgb, RGB, gray, and named color + * models, and the \textcolor, \definecolor, \colorbox, and \fcolorbox + * macros. + * + * --------------------------------------------------------------------- + * + * Copyright (c) 2011-2020 The MathJax Consortium + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ + +// +// The configuration defaults, augmented by the user settings +// +MathJax.Extension["TeX/color"] = { + version: "2.7.9", + + config: MathJax.Hub.CombineConfig("TeX.color",{ + padding: "5px", + border: "2px" + }), + + colors: { + Apricot: "#FBB982", + Aquamarine: "#00B5BE", + Bittersweet: "#C04F17", + Black: "#221E1F", + Blue: "#2D2F92", + BlueGreen: "#00B3B8", + BlueViolet: "#473992", + BrickRed: "#B6321C", + Brown: "#792500", + BurntOrange: "#F7921D", + CadetBlue: "#74729A", + CarnationPink: "#F282B4", + Cerulean: "#00A2E3", + CornflowerBlue: "#41B0E4", + Cyan: "#00AEEF", + Dandelion: "#FDBC42", + DarkOrchid: "#A4538A", + Emerald: "#00A99D", + ForestGreen: "#009B55", + Fuchsia: "#8C368C", + Goldenrod: "#FFDF42", + Gray: "#949698", + Green: "#00A64F", + GreenYellow: "#DFE674", + JungleGreen: "#00A99A", + Lavender: "#F49EC4", + LimeGreen: "#8DC73E", + Magenta: "#EC008C", + Mahogany: "#A9341F", + Maroon: "#AF3235", + Melon: "#F89E7B", + MidnightBlue: "#006795", + Mulberry: "#A93C93", + NavyBlue: "#006EB8", + OliveGreen: "#3C8031", + Orange: "#F58137", + OrangeRed: "#ED135A", + Orchid: "#AF72B0", + Peach: "#F7965A", + Periwinkle: "#7977B8", + PineGreen: "#008B72", + Plum: "#92268F", + ProcessBlue: "#00B0F0", + Purple: "#99479B", + RawSienna: "#974006", + Red: "#ED1B23", + RedOrange: "#F26035", + RedViolet: "#A1246B", + Rhodamine: "#EF559F", + RoyalBlue: "#0071BC", + RoyalPurple: "#613F99", + RubineRed: "#ED017D", + Salmon: "#F69289", + SeaGreen: "#3FBC9D", + Sepia: "#671800", + SkyBlue: "#46C5DD", + SpringGreen: "#C6DC67", + Tan: "#DA9D76", + TealBlue: "#00AEB3", + Thistle: "#D883B7", + Turquoise: "#00B4CE", + Violet: "#58429B", + VioletRed: "#EF58A0", + White: "#FFFFFF", + WildStrawberry: "#EE2967", + Yellow: "#FFF200", + YellowGreen: "#98CC70", + YellowOrange: "#FAA21A" + }, + + /* + * Look up a color based on its model and definition + */ + getColor: function (model,def) { + if (!model) {model = "named"} + var fn = this["get_"+model]; + if (!fn) {this.TEX.Error(["UndefinedColorModel","Color model '%1' not defined",model])} + return fn.call(this,def); + }, + + /* + * Get an rgb color + */ + get_rgb: function (rgb) { + rgb = rgb.replace(/^\s+/,"").replace(/\s+$/,"").split(/\s*,\s*/); var RGB = "#"; + if (rgb.length !== 3) + {this.TEX.Error(["ModelArg1","Color values for the %1 model require 3 numbers","rgb"])} + for (var i = 0; i < 3; i++) { + if (!rgb[i].match(/^(\d+(\.\d*)?|\.\d+)$/)) + {this.TEX.Error(["InvalidDecimalNumber","Invalid decimal number"])} + var n = parseFloat(rgb[i]); + if (n < 0 || n > 1) { + this.TEX.Error(["ModelArg2", + "Color values for the %1 model must be between %2 and %3", + "rgb",0,1]); + } + n = Math.floor(n*255).toString(16); if (n.length < 2) {n = "0"+n} + RGB += n; + } + return RGB; + }, + + /* + * Get an RGB color + */ + get_RGB: function (rgb) { + rgb = rgb.replace(/^\s+/,"").replace(/\s+$/,"").split(/\s*,\s*/); var RGB = "#"; + if (rgb.length !== 3) + {this.TEX.Error(["ModelArg1","Color values for the %1 model require 3 numbers","RGB"])} + for (var i = 0; i < 3; i++) { + if (!rgb[i].match(/^\d+$/)) + {this.TEX.Error(["InvalidNumber","Invalid number"])} + var n = parseInt(rgb[i]); + if (n > 255) { + this.TEX.Error(["ModelArg2", + "Color values for the %1 model must be between %2 and %3", + "RGB",0,255]); + } + n = n.toString(16); if (n.length < 2) {n = "0"+n} + RGB += n; + } + return RGB; + }, + + /* + * Get a gray-scale value + */ + get_gray: function (gray) { + if (!gray.match(/^\s*(\d+(\.\d*)?|\.\d+)\s*$/)) + {this.TEX.Error(["InvalidDecimalNumber","Invalid decimal number"])} + var n = parseFloat(gray); + if (n < 0 || n > 1) { + this.TEX.Error(["ModelArg2", + "Color values for the %1 model must be between %2 and %3", + "gray",0,1]); + } + n = Math.floor(n*255).toString(16); if (n.length < 2) {n = "0"+n} + return "#"+n+n+n; + }, + + /* + * Get a named value + */ + get_named: function (name) { + if (this.colors.hasOwnProperty(name)) {return this.colors[name]} + return name; + }, + + padding: function () { + var pad = "+"+this.config.padding; + var unit = this.config.padding.replace(/^.*?([a-z]*)$/,"$1"); + var pad2 = "+"+(2*parseFloat(pad))+unit; + return {width:pad2, height:pad, depth:pad, lspace:this.config.padding}; + } + +}; + +MathJax.Hub.Register.StartupHook("TeX Jax Ready",function () { + var TEX = MathJax.InputJax.TeX, + MML = MathJax.ElementJax.mml; + var STACKITEM = TEX.Stack.Item; + var COLOR = MathJax.Extension["TeX/color"]; + + COLOR.TEX = TEX; // for reference in getColor above + + TEX.Definitions.Add({ + macros: { + color: "Color", + textcolor: "TextColor", + definecolor: "DefineColor", + colorbox: "ColorBox", + fcolorbox: "fColorBox" + } + },null,true); + + TEX.Parse.Augment({ + + // + // Override \color macro definition + // + Color: function (name) { + var model = this.GetBrackets(name), + color = this.GetArgument(name); + color = COLOR.getColor(model,color); + var mml = STACKITEM.style().With({styles:{mathcolor:color}}); + this.stack.env.color = color; + this.Push(mml); + }, + + TextColor: function (name) { + var model = this.GetBrackets(name), + color = this.GetArgument(name); + color = COLOR.getColor(model,color); + var old = this.stack.env.color; this.stack.env.color = color; + var math = this.ParseArg(name); + if (old) {this.stack.env.color} else {delete this.stack.env.color} + this.Push(MML.mstyle(math).With({mathcolor: color})); + }, + + // + // Define the \definecolor macro + // + DefineColor: function (name) { + var cname = this.GetArgument(name), + model = this.GetArgument(name), + def = this.GetArgument(name); + COLOR.colors[cname] = COLOR.getColor(model,def); + }, + + // + // Produce a text box with a colored background + // + ColorBox: function (name) { + var cname = this.GetArgument(name), + arg = this.InternalMath(this.GetArgument(name)); + this.Push(MML.mpadded.apply(MML,arg).With({ + mathbackground:COLOR.getColor("named",cname) + }).With(COLOR.padding())); + }, + + // + // Procude a framed text box with a colored background + // + fColorBox: function (name) { + var fname = this.GetArgument(name), + cname = this.GetArgument(name), + arg = this.InternalMath(this.GetArgument(name)); + this.Push(MML.mpadded.apply(MML,arg).With({ + mathbackground: COLOR.getColor("named",cname), + style: "border: "+COLOR.config.border+" solid "+COLOR.getColor("named",fname) + }).With(COLOR.padding())); + } + + }); + + MathJax.Hub.Startup.signal.Post("TeX color Ready"); + +}); + +MathJax.Ajax.loadComplete("[MathJax]/extensions/TeX/color.js"); +// @license-end |