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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 | 267x 267x 267x 267x 238x 238x 238x 238x 29x 29x 28x 2x 2x 2x 2x 28x 27x 27x 27x 27x 27x 3x 3x 3x 3x 2x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 18x 18x | export interface Colored { r: number; g: number; b: number; a?: number; } export type ColorConstructorArg = number | Color | Colored | undefined; export class Color implements Colored { r: number = 0.0; g: number = 0.0; b: number = 0.0; constructor(r?: ColorConstructorArg, g?: number, b?: number) { if (arguments.length > 1 && typeof r === "number") { this.r = r || 0.0; this.g = g || 0.0; this.b = b || 0.0; return this; } return this.set(r || 0.0); } set<T extends Colored>(val: Color | number | T): Color { if (val instanceof Color) return val.clone(); else if (typeof val === "number") this.setHex(val); else if (typeof val === "object") { this.r = val?.r || 0.0; this.g = val?.g || 0.0; this.b = val?.b || 0.0; } return this; } setHex(hex: number): Color { hex = Math.floor(hex); this.r = ((hex >> 16) & 255) / 255; this.g = ((hex >> 8) & 255) / 255; this.b = (hex & 255) / 255; return this; } getHex(): number { var R = Math.round(this.r * 255); var G = Math.round(this.g * 255); var B = Math.round(this.b * 255); return (R << 16) | (G << 8) | B; } clone(): Color { return new Color(this.r, this.g, this.b); } copy(color: Color): Color { this.r = color.r; this.g = color.g; this.b = color.b; return this; } //return object that represents color components from 0 to 255 scaled<T extends Colored>(): Colored { var ret: Partial<T> = {}; ret.r = Math.round(this.r * 255); ret.g = Math.round(this.g * 255); ret.b = Math.round(this.b * 255); ret.a = 1.0; return ret as T; } } // in an attempt to reduce memory overhead, cache all $3Dmol.Colors // this makes things a little faster export class CC { static rgbRegEx = /rgb(a?)\(\s*([^ ,\)\t]+)\s*,\s*([^ ,\)\t]+)\s*,\s*([^ ,\)\t]+)/i; static cache: Record<number, Color> = { 0: new Color(0) }; static color(hex: undefined): Color; static color(hex: number): Color; static color(hex: number[]): Color[]; static color(hex?: number | number[]) { // Undefined values default to black Iif (!hex) return CC.cache[0]; // cache hits Iif (typeof hex === "number" && typeof CC.cache[hex] !== "undefined") return CC.cache[hex]; // arrays Iif (hex && Array.isArray(hex)) // parse elements recursively return hex.map(CC.color as (hex: number) => Color); // numbers and hex strings // @ts-ignore hex = CC.getHex(hex); Iif (typeof hex === "number") { var c = new Color(hex); CC.cache[hex] = c; return c; } // pass through $3Dmol.Color & other objects return hex; } static getHex(hex: Array<string|number>): number[]; static getHex(hex: string | number): number; static getHex(hex) { Iif (Array.isArray(hex)) return hex.map(CC.getHex) as number[]; Iif (typeof hex === "string") { Iif (!isNaN(parseInt(hex))) return parseInt(hex); hex = hex.trim(); Iif (hex.length == 4 && hex[0] == "#") { hex = "#" + hex[1] + hex[1] + hex[2] + hex[2] + hex[3] + hex[3]; //expand to full hex number } Iif (hex.length == 7 && hex[0] == "#") { return parseInt(hex.substring(1), 16); } let m = CC.rgbRegEx.exec(hex); Iif (m) { Iif (m[1] != "") { console.log( "WARNING: Opacity value in rgba ignored. Specify separately as opacity attribute." ); } let ret = 0; for (let i = 2; i < 5; i++) { ret *= 256; // @ts-ignore let val = m[i].endsWith("%") ? (255 * parseFloat(m[i])) / 100 : parseFloat(m[i]); ret += Math.round(val); } return ret; } return (window as any)?.$3Dmol?.htmlColors[hex.toLowerCase()] || 0x000000; } return hex; } } |