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| 1 | <?php |
| 2 | |
| 3 | declare(strict_types=1); |
| 4 | |
| 5 | namespace Phpdftk\Color; |
| 6 | |
| 7 | /** |
| 8 | * CMYK color with components in 0.0–1.0 range — maps to PDF DeviceCMYK. |
| 9 | */ |
| 10 | final class CmykColor implements ColorInterface |
| 11 | { |
| 12 | public function __construct( |
| 13 | public readonly float $c, |
| 14 | public readonly float $m, |
| 15 | public readonly float $y, |
| 16 | public readonly float $k, |
| 17 | ) { |
| 18 | foreach (['c' => $c, 'm' => $m, 'y' => $y, 'k' => $k] as $name => $value) { |
| 19 | if ($value < 0.0 || $value > 1.0) { |
| 20 | throw new \InvalidArgumentException("CMYK $name value must be 0.0–1.0, got $value"); |
| 21 | } |
| 22 | } |
| 23 | } |
| 24 | |
| 25 | public function toRgb(): RgbColor |
| 26 | { |
| 27 | return ColorConverter::cmykToRgb($this); |
| 28 | } |
| 29 | |
| 30 | /** @return array<int, float> */ |
| 31 | public function toArray(): array |
| 32 | { |
| 33 | return [$this->c, $this->m, $this->y, $this->k]; |
| 34 | } |
| 35 | |
| 36 | public function getColorSpace(): string |
| 37 | { |
| 38 | return 'DeviceCMYK'; |
| 39 | } |
| 40 | } |