1 | import { inputToRGB, rgbToHex, rgbToHsv } from '@ctrl/tinycolor';
|
2 | var hueStep = 2;
|
3 |
|
4 | var saturationStep = 0.16;
|
5 |
|
6 | var saturationStep2 = 0.05;
|
7 |
|
8 | var brightnessStep1 = 0.05;
|
9 |
|
10 | var brightnessStep2 = 0.15;
|
11 |
|
12 | var lightColorCount = 5;
|
13 |
|
14 | var darkColorCount = 4;
|
15 |
|
16 |
|
17 | var darkColorMap = [{
|
18 | index: 7,
|
19 | opacity: 0.15
|
20 | }, {
|
21 | index: 6,
|
22 | opacity: 0.25
|
23 | }, {
|
24 | index: 5,
|
25 | opacity: 0.3
|
26 | }, {
|
27 | index: 5,
|
28 | opacity: 0.45
|
29 | }, {
|
30 | index: 5,
|
31 | opacity: 0.65
|
32 | }, {
|
33 | index: 5,
|
34 | opacity: 0.85
|
35 | }, {
|
36 | index: 4,
|
37 | opacity: 0.9
|
38 | }, {
|
39 | index: 3,
|
40 | opacity: 0.95
|
41 | }, {
|
42 | index: 2,
|
43 | opacity: 0.97
|
44 | }, {
|
45 | index: 1,
|
46 | opacity: 0.98
|
47 | }];
|
48 |
|
49 |
|
50 |
|
51 | function toHsv(_ref) {
|
52 | var r = _ref.r,
|
53 | g = _ref.g,
|
54 | b = _ref.b;
|
55 | var hsv = rgbToHsv(r, g, b);
|
56 | return {
|
57 | h: hsv.h * 360,
|
58 | s: hsv.s,
|
59 | v: hsv.v
|
60 | };
|
61 | }
|
62 |
|
63 |
|
64 |
|
65 | function toHex(_ref2) {
|
66 | var r = _ref2.r,
|
67 | g = _ref2.g,
|
68 | b = _ref2.b;
|
69 | return "#".concat(rgbToHex(r, g, b, false));
|
70 | }
|
71 |
|
72 |
|
73 |
|
74 |
|
75 | function mix(rgb1, rgb2, amount) {
|
76 | var p = amount / 100;
|
77 | var rgb = {
|
78 | r: (rgb2.r - rgb1.r) * p + rgb1.r,
|
79 | g: (rgb2.g - rgb1.g) * p + rgb1.g,
|
80 | b: (rgb2.b - rgb1.b) * p + rgb1.b
|
81 | };
|
82 | return rgb;
|
83 | }
|
84 |
|
85 | function getHue(hsv, i, light) {
|
86 | var hue;
|
87 |
|
88 | if (Math.round(hsv.h) >= 60 && Math.round(hsv.h) <= 240) {
|
89 | hue = light ? Math.round(hsv.h) - hueStep * i : Math.round(hsv.h) + hueStep * i;
|
90 | } else {
|
91 | hue = light ? Math.round(hsv.h) + hueStep * i : Math.round(hsv.h) - hueStep * i;
|
92 | }
|
93 |
|
94 | if (hue < 0) {
|
95 | hue += 360;
|
96 | } else if (hue >= 360) {
|
97 | hue -= 360;
|
98 | }
|
99 |
|
100 | return hue;
|
101 | }
|
102 |
|
103 | function getSaturation(hsv, i, light) {
|
104 |
|
105 | if (hsv.h === 0 && hsv.s === 0) {
|
106 | return hsv.s;
|
107 | }
|
108 |
|
109 | var saturation;
|
110 |
|
111 | if (light) {
|
112 | saturation = hsv.s - saturationStep * i;
|
113 | } else if (i === darkColorCount) {
|
114 | saturation = hsv.s + saturationStep;
|
115 | } else {
|
116 | saturation = hsv.s + saturationStep2 * i;
|
117 | }
|
118 |
|
119 |
|
120 | if (saturation > 1) {
|
121 | saturation = 1;
|
122 | }
|
123 |
|
124 |
|
125 | if (light && i === lightColorCount && saturation > 0.1) {
|
126 | saturation = 0.1;
|
127 | }
|
128 |
|
129 | if (saturation < 0.06) {
|
130 | saturation = 0.06;
|
131 | }
|
132 |
|
133 | return Number(saturation.toFixed(2));
|
134 | }
|
135 |
|
136 | function getValue(hsv, i, light) {
|
137 | var value;
|
138 |
|
139 | if (light) {
|
140 | value = hsv.v + brightnessStep1 * i;
|
141 | } else {
|
142 | value = hsv.v - brightnessStep2 * i;
|
143 | }
|
144 |
|
145 | if (value > 1) {
|
146 | value = 1;
|
147 | }
|
148 |
|
149 | return Number(value.toFixed(2));
|
150 | }
|
151 |
|
152 | export default function generate(color) {
|
153 | var opts = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : {};
|
154 | var patterns = [];
|
155 | var pColor = inputToRGB(color);
|
156 |
|
157 | for (var i = lightColorCount; i > 0; i -= 1) {
|
158 | var hsv = toHsv(pColor);
|
159 | var colorString = toHex(inputToRGB({
|
160 | h: getHue(hsv, i, true),
|
161 | s: getSaturation(hsv, i, true),
|
162 | v: getValue(hsv, i, true)
|
163 | }));
|
164 | patterns.push(colorString);
|
165 | }
|
166 |
|
167 | patterns.push(toHex(pColor));
|
168 |
|
169 | for (var _i = 1; _i <= darkColorCount; _i += 1) {
|
170 | var _hsv = toHsv(pColor);
|
171 |
|
172 | var _colorString = toHex(inputToRGB({
|
173 | h: getHue(_hsv, _i),
|
174 | s: getSaturation(_hsv, _i),
|
175 | v: getValue(_hsv, _i)
|
176 | }));
|
177 |
|
178 | patterns.push(_colorString);
|
179 | }
|
180 |
|
181 |
|
182 | if (opts.theme === 'dark') {
|
183 | return darkColorMap.map(function (_ref3) {
|
184 | var index = _ref3.index,
|
185 | opacity = _ref3.opacity;
|
186 | var darkColorString = toHex(mix(inputToRGB(opts.backgroundColor || '#141414'), inputToRGB(patterns[index]), opacity * 100));
|
187 | return darkColorString;
|
188 | });
|
189 | }
|
190 |
|
191 | return patterns;
|
192 | } |
\ | No newline at end of file |