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| 1 | <?php |
| 2 | |
| 3 | declare(strict_types=1); |
| 4 | |
| 5 | namespace Phpdftk\Css\Value; |
| 6 | |
| 7 | /** |
| 8 | * CSS Color 5 §3.2 — hue interpolation method for polar color |
| 9 | * spaces (hsl, hwb, lch, oklch). When mixing two colors across |
| 10 | * a hue gap, four strategies select which way around the colour |
| 11 | * wheel to travel. |
| 12 | * |
| 13 | * Shorter — go the shorter way (default). |
| 14 | * Longer — go the longer way. |
| 15 | * Increasing — always increase the hue value (passes through |
| 16 | * 0/360 if necessary). |
| 17 | * Decreasing — always decrease. |
| 18 | */ |
| 19 | enum HueInterpolation: string |
| 20 | { |
| 21 | case Shorter = 'shorter'; |
| 22 | case Longer = 'longer'; |
| 23 | case Increasing = 'increasing'; |
| 24 | case Decreasing = 'decreasing'; |
| 25 | } |