| 1 | import { rgb2hsl, hsl2rgb } from './lib/rgb-hsl';
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| 2 | import { rgb2hwb, hwb2rgb } from './lib/rgb-hwb';
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| 3 | import { rgb2hsv, hsv2rgb } from './lib/rgb-hsv';
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| 4 | import { rgb2xyz, xyz2rgb } from './lib/rgb-xyz';
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| 5 | import { hsl2hsv, hsv2hsl } from './lib/hsl-hsv';
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| 6 | import { hwb2hsv, hsv2hwb } from './lib/hwb-hsv';
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| 7 | import { lab2xyz, xyz2lab } from './lib/lab-xyz';
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| 8 | import { lab2lch, lch2lab } from './lib/lab-lch';
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| 9 | import { rgb2hue } from './lib/util';
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| 10 |
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| 11 | /* Convert between RGB and Lab
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| 12 | /* ========================================================================== */
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| 13 |
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| 14 | function rgb2lab(rgbR, rgbG, rgbB) {
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| 15 | const [ xyzX, xyzY, xyzZ ] = rgb2xyz(rgbR, rgbG, rgbB);
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| 16 | const [ labL, labA, labB ] = xyz2lab(xyzX, xyzY, xyzZ);
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| 17 |
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| 18 | return [ labL, labA, labB ];
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| 19 | }
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| 20 |
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| 21 | function lab2rgb(labL, labA, labB) {
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| 22 | const [ xyzX, xyzY, xyzZ ] = lab2xyz(labL, labA, labB);
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| 23 | const [ rgbR, rgbG, rgbB ] = xyz2rgb(xyzX, xyzY, xyzZ);
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| 24 |
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| 25 | return [ rgbR, rgbG, rgbB ];
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| 26 | }
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| 27 |
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| 28 | /* Convert between RGB and LCH
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| 29 | /* ========================================================================== */
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| 30 |
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| 31 | function rgb2lch(rgbR, rgbG, rgbB) {
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| 32 | const [ xyzX, xyzY, xyzZ ] = rgb2xyz(rgbR, rgbG, rgbB);
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| 33 | const [ labL, labA, labB ] = xyz2lab(xyzX, xyzY, xyzZ);
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| 34 | const [ lchL, lchC, lchH ] = lab2lch(labL, labA, labB);
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| 35 |
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| 36 | return [ lchL, lchC, lchH ];
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| 37 | }
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| 38 |
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| 39 | function lch2rgb(lchL, lchC, lchH) {
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| 40 | const [ labL, labA, labB ] = lch2lab(lchL, lchC, lchH);
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| 41 | const [ xyzX, xyzY, xyzZ ] = lab2xyz(labL, labA, labB);
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| 42 | const [ rgbR, rgbG, rgbB ] = xyz2rgb(xyzX, xyzY, xyzZ);
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| 43 |
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| 44 | return [ rgbR, rgbG, rgbB ];
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| 45 | }
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| 46 |
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| 47 | /* Convert between HSL and HWB
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| 48 | /* ========================================================================== */
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| 49 |
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| 50 | function hwb2hsl(hwbH, hwbW, hwbB) {
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| 51 | const [ hsvH, hsvS, hsvV ] = hwb2hsv(hwbH, hwbW, hwbB);
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| 52 | const [ hslH, hslS, hslL ] = hsv2hsl(hsvH, hsvS, hsvV);
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| 53 |
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| 54 | return [ hslH, hslS, hslL ];
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| 55 | }
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| 56 |
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| 57 | function hsl2hwb(hslH, hslS, hslL) {
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| 58 | const [ , hsvS, hsvV ] = hsl2hsv(hslH, hslS, hslL);
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| 59 | const [ , hwbW, hwbB ] = hsv2hwb(hslH, hsvS, hsvV);
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| 60 |
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| 61 | return [ hslH, hwbW, hwbB ];
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| 62 | }
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| 63 |
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| 64 | /* Convert between HSL and Lab
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| 65 | /* ========================================================================== */
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| 66 |
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| 67 | function hsl2lab(hslH, hslS, hslL) {
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| 68 | const [ rgbR, rgbG, rgbB ] = hsl2rgb(hslH, hslS, hslL);
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| 69 | const [ xyzX, xyzY, xyzZ ] = rgb2xyz(rgbR, rgbG, rgbB);
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| 70 | const [ labL, labA, labB ] = xyz2lab(xyzX, xyzY, xyzZ);
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| 71 |
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| 72 | return [ labL, labA, labB ];
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| 73 | }
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| 74 |
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| 75 | function lab2hsl(labL, labA, labB, fallbackhue) {
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| 76 | const [ xyzX, xyzY, xyzZ ] = lab2xyz(labL, labA, labB);
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| 77 | const [ rgbR, rgbG, rgbB ] = xyz2rgb(xyzX, xyzY, xyzZ);
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| 78 | const [ hslH, hslS, hslL ] = rgb2hsl(rgbR, rgbG, rgbB, fallbackhue);
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| 79 |
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| 80 | return [ hslH, hslS, hslL ];
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| 81 | }
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| 82 |
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| 83 | /* Convert between HSL and LCH
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| 84 | /* ========================================================================== */
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| 85 |
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| 86 | function hsl2lch(hslH, hslS, hslL) {
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| 87 | const [ rgbR, rgbG, rgbB ] = hsl2rgb(hslH, hslS, hslL);
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| 88 | const [ xyzX, xyzY, xyzZ ] = rgb2xyz(rgbR, rgbG, rgbB);
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| 89 | const [ labL, labA, labB ] = xyz2lab(xyzX, xyzY, xyzZ);
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| 90 | const [ lchL, lchC, lchH ] = lab2lch(labL, labA, labB);
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| 91 |
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| 92 | return [ lchL, lchC, lchH ];
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| 93 | }
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| 94 |
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| 95 | function lch2hsl(lchL, lchC, lchH, fallbackhue) {
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| 96 | const [ labL, labA, labB ] = lch2lab(lchL, lchC, lchH);
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| 97 | const [ xyzX, xyzY, xyzZ ] = lab2xyz(labL, labA, labB);
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| 98 | const [ rgbR, rgbG, rgbB ] = xyz2rgb(xyzX, xyzY, xyzZ);
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| 99 | const [ hslH, hslS, hslL ] = rgb2hsl(rgbR, rgbG, rgbB, fallbackhue);
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| 100 |
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| 101 | return [ hslH, hslS, hslL ];
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| 102 | }
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| 103 |
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| 104 | /* Convert between HSL and XYZ
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| 105 | /* ========================================================================== */
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| 106 |
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| 107 | function hsl2xyz(hslH, hslS, hslL) {
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| 108 | const [ rgbR, rgbG, rgbB ] = hsl2rgb(hslH, hslS, hslL);
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| 109 | const [ xyzX, xyzY, xyzZ ] = rgb2xyz(rgbR, rgbG, rgbB);
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| 110 |
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| 111 | return [ xyzX, xyzY, xyzZ ];
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| 112 | }
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| 113 |
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| 114 | function xyz2hsl(xyzX, xyzY, xyzZ, fallbackhue) {
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| 115 | const [ rgbR, rgbG, rgbB ] = xyz2rgb(xyzX, xyzY, xyzZ);
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| 116 | const [ hslH, hslS, hslL ] = rgb2hsl(rgbR, rgbG, rgbB, fallbackhue);
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| 117 |
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| 118 | return [ hslH, hslS, hslL ];
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| 119 | }
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| 120 |
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| 121 | /* Convert between HWB and Lab
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| 122 | /* ========================================================================== */
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| 123 |
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| 124 | function hwb2lab(hwbH, hwbW, hwbB) {
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| 125 | const [ rgbR, rgbG, rgbB ] = hwb2rgb(hwbH, hwbW, hwbB);
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| 126 | const [ xyzX, xyzY, xyzZ ] = rgb2xyz(rgbR, rgbG, rgbB);
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| 127 | const [ labL, labA, labB ] = xyz2lab(xyzX, xyzY, xyzZ);
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| 128 |
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| 129 | return [ labL, labA, labB ];
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| 130 | }
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| 131 |
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| 132 | function lab2hwb(labL, labA, labB, fallbackhue) {
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| 133 | const [ xyzX, xyzY, xyzZ ] = lab2xyz(labL, labA, labB);
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| 134 | const [ rgbR, rgbG, rgbB ] = xyz2rgb(xyzX, xyzY, xyzZ);
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| 135 | const [ hwbH, hwbW, hwbB ] = rgb2hwb(rgbR, rgbG, rgbB, fallbackhue);
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| 136 |
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| 137 | return [ hwbH, hwbW, hwbB ];
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| 138 | }
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| 139 |
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| 140 | /* Convert between HWB and LCH
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| 141 | /* ========================================================================== */
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| 142 |
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| 143 | function hwb2lch(hwbH, hwbW, hwbB) {
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| 144 | const [ rgbR, rgbG, rgbB ] = hwb2rgb(hwbH, hwbW, hwbB);
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| 145 | const [ xyzX, xyzY, xyzZ ] = rgb2xyz(rgbR, rgbG, rgbB);
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| 146 | const [ labL, labA, labB ] = xyz2lab(xyzX, xyzY, xyzZ);
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| 147 | const [ lchL, lchC, lchH ] = lab2lch(labL, labA, labB);
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| 148 |
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| 149 | return [ lchL, lchC, lchH ];
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| 150 | }
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| 151 |
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| 152 | function lch2hwb(lchL, lchC, lchH, fallbackhue) {
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| 153 | const [ labL, labA, labB ] = lch2lab(lchL, lchC, lchH);
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| 154 | const [ xyzX, xyzY, xyzZ ] = lab2xyz(labL, labA, labB);
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| 155 | const [ rgbR, rgbG, rgbB ] = xyz2rgb(xyzX, xyzY, xyzZ);
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| 156 | const [ hwbH, hwbW, hwbB ] = rgb2hwb(rgbR, rgbG, rgbB, fallbackhue);
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| 157 |
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| 158 | return [ hwbH, hwbW, hwbB ];
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| 159 | }
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| 160 |
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| 161 | /* Convert between HWB and XYZ
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| 162 | /* ========================================================================== */
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| 163 |
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| 164 | function hwb2xyz(hwbH, hwbW, hwbB) {
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| 165 | const [ rgbR, rgbG, rgbB ] = hwb2rgb(hwbH, hwbW, hwbB);
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| 166 | const [ xyzX, xyzY, xyzZ ] = rgb2xyz(rgbR, rgbG, rgbB);
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| 167 |
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| 168 | return [ xyzX, xyzY, xyzZ ];
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| 169 | }
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| 170 |
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| 171 | function xyz2hwb(xyzX, xyzY, xyzZ, fallbackhue) {
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| 172 | const [ rgbR, rgbG, rgbB ] = xyz2rgb(xyzX, xyzY, xyzZ);
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| 173 | const [ hwbH, hwbW, hwbB ] = rgb2hwb(rgbR, rgbG, rgbB, fallbackhue);
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| 174 |
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| 175 | return [ hwbH, hwbW, hwbB ];
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| 176 | }
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| 177 |
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| 178 | /* Convert between HSV and Lab
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| 179 | /* ========================================================================== */
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| 180 |
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| 181 | function hsv2lab(hsvH, hsvS, hsvV) {
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| 182 | const [ rgbR, rgbG, rgbB ] = hsv2rgb(hsvH, hsvS, hsvV);
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| 183 | const [ xyzX, xyzY, xyzZ ] = rgb2xyz(rgbR, rgbG, rgbB);
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| 184 | const [ labL, labA, labB ] = xyz2lab(xyzX, xyzY, xyzZ);
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| 185 |
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| 186 | return [ labL, labA, labB ];
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| 187 | }
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| 188 |
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| 189 | function lab2hsv(labL, labA, labB, fallbackhue) {
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| 190 | const [ xyzX, xyzY, xyzZ ] = lab2xyz(labL, labA, labB);
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| 191 | const [ rgbR, rgbG, rgbB ] = xyz2rgb(xyzX, xyzY, xyzZ);
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| 192 | const [ hsvH, hsvS, hsvV ] = rgb2hsv(rgbR, rgbG, rgbB, fallbackhue);
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| 193 |
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| 194 | return [ hsvH, hsvS, hsvV ];
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| 195 | }
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| 196 |
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| 197 | /* Convert between HSV and LCH
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| 198 | /* ========================================================================== */
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| 199 |
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| 200 | function hsv2lch(hsvH, hsvS, hsvV) {
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| 201 | const [ rgbR, rgbG, rgbB ] = hsv2rgb(hsvH, hsvS, hsvV);
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| 202 | const [ xyzX, xyzY, xyzZ ] = rgb2xyz(rgbR, rgbG, rgbB);
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| 203 | const [ labL, labA, labB ] = xyz2lab(xyzX, xyzY, xyzZ);
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| 204 | const [ lchL, lchC, lchH ] = lab2lch(labL, labA, labB);
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| 205 |
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| 206 | return [ lchL, lchC, lchH ];
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| 207 | }
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| 208 |
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| 209 | function lch2hsv(lchL, lchC, lchH, fallbackhue) {
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| 210 | const [ labL, labA, labB ] = lch2lab(lchL, lchC, lchH);
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| 211 | const [ xyzX, xyzY, xyzZ ] = lab2xyz(labL, labA, labB);
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| 212 | const [ rgbR, rgbG, rgbB ] = xyz2rgb(xyzX, xyzY, xyzZ);
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| 213 | const [ hsvH, hsvS, hsvV ] = rgb2hsv(rgbR, rgbG, rgbB, fallbackhue);
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| 214 |
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| 215 | return [ hsvH, hsvS, hsvV ];
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| 216 | }
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| 217 |
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| 218 | /* Convert between HSV and XYZ
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| 219 | /* ========================================================================== */
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| 220 |
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| 221 | function hsv2xyz(hsvH, hsvS, hsvV) {
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| 222 | const [ rgbR, rgbG, rgbB ] = hsv2rgb(hsvH, hsvS, hsvV);
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| 223 | const [ xyzX, xyzY, xyzZ ] = rgb2xyz(rgbR, rgbG, rgbB);
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| 224 |
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| 225 | return [ xyzX, xyzY, xyzZ ];
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| 226 | }
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| 227 |
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| 228 | function xyz2hsv(xyzX, xyzY, xyzZ, fallbackhue) {
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| 229 | const [ rgbR, rgbG, rgbB ] = xyz2rgb(xyzX, xyzY, xyzZ);
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| 230 | const [ hsvH, hsvS, hsvV ] = rgb2hsv(rgbR, rgbG, rgbB, fallbackhue);
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| 231 |
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| 232 | return [ hsvH, hsvS, hsvV ];
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| 233 | }
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| 234 |
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| 235 | /* Convert between XYZ and LCH
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| 236 | /* ========================================================================== */
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| 237 |
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| 238 | function xyz2lch(xyzX, xyzY, xyzZ) {
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| 239 | const [ labL, labA, labB ] = xyz2lab(xyzX, xyzY, xyzZ);
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| 240 | const [ lchL, lchC, lchH ] = lab2lch(labL, labA, labB);
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| 241 |
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| 242 | return [ lchL, lchC, lchH ];
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| 243 | }
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| 244 |
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| 245 | function lch2xyz(lchL, lchC, lchH) {
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| 246 | const [ labL, labA, labB ] = lch2lab(lchL, lchC, lchH);
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| 247 | const [ xyzX, xyzY, xyzZ ] = lab2xyz(labL, labA, labB);
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| 248 |
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| 249 | return [ xyzX, xyzY, xyzZ ];
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| 250 | }
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| 251 |
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| 252 | /* All Conversions
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| 253 | /* ========================================================================== */
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| 254 |
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| 255 | export {
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| 256 | rgb2hsl,
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| 257 | rgb2hwb,
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| 258 | rgb2lab,
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| 259 | rgb2lch,
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| 260 | rgb2hsv,
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| 261 | rgb2xyz,
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| 262 |
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| 263 | hsl2rgb,
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| 264 | hsl2hwb,
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| 265 | hsl2lab,
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| 266 | hsl2lch,
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| 267 | hsl2hsv,
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| 268 | hsl2xyz,
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| 269 |
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| 270 | hwb2rgb,
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| 271 | hwb2hsl,
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| 272 | hwb2lab,
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| 273 | hwb2lch,
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| 274 | hwb2hsv,
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| 275 | hwb2xyz,
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| 276 |
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| 277 | lab2rgb,
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| 278 | lab2hsl,
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| 279 | lab2hwb,
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| 280 | lab2lch,
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| 281 | lab2hsv,
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| 282 | lab2xyz,
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| 283 |
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| 284 | lch2rgb,
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| 285 | lch2hsl,
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| 286 | lch2hwb,
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| 287 | lch2lab,
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| 288 | lch2hsv,
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| 289 | lch2xyz,
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| 290 |
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| 291 | hsv2rgb,
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| 292 | hsv2hsl,
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| 293 | hsv2hwb,
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| 294 | hsv2lab,
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| 295 | hsv2lch,
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| 296 | hsv2xyz,
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| 297 |
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| 298 | xyz2rgb,
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| 299 | xyz2hsl,
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| 300 | xyz2hwb,
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| 301 | xyz2lab,
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| 302 | xyz2lch,
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| 303 | xyz2hsv,
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| 304 |
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| 305 | rgb2hue
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| 306 | };
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| 307 |
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| 308 | export default {
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| 309 | rgb2hsl,
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| 310 | rgb2hwb,
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| 311 | rgb2lab,
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| 312 | rgb2lch,
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| 313 | rgb2hsv,
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| 314 | rgb2xyz,
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| 315 |
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| 316 | hsl2rgb,
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| 317 | hsl2hwb,
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| 318 | hsl2lab,
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| 319 | hsl2lch,
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| 320 | hsl2hsv,
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| 321 | hsl2xyz,
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| 322 |
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| 323 | hwb2rgb,
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| 324 | hwb2hsl,
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| 325 | hwb2lab,
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| 326 | hwb2lch,
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| 327 | hwb2hsv,
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| 328 | hwb2xyz,
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| 329 |
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| 330 | lab2rgb,
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| 331 | lab2hsl,
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| 332 | lab2hwb,
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| 333 | lab2lch,
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| 334 | lab2hsv,
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| 335 | lab2xyz,
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| 336 |
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| 337 | lch2rgb,
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| 338 | lch2hsl,
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| 339 | lch2hwb,
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| 340 | lch2lab,
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| 341 | lch2hsv,
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| 342 | lch2xyz,
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| 343 |
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| 344 | hsv2rgb,
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| 345 | hsv2hsl,
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| 346 | hsv2hwb,
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| 347 | hsv2lab,
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| 348 | hsv2lch,
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| 349 | hsv2xyz,
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| 350 |
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| 351 | xyz2rgb,
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| 352 | xyz2hsl,
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| 353 | xyz2hwb,
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| 354 | xyz2lab,
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| 355 | xyz2lch,
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| 356 | xyz2hsv,
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| 357 |
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| 358 | rgb2hue
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| 359 | };
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