| 1 | <?php |
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| 15 | class ColorConversionStrategy |
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| 16 | { |
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| 17 | /** |
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| 18 | * Leave color unchanged |
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| 19 | */ |
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| 20 | const LEAVE_COLOR_UNCHANGED = 'LeaveColorUnchanged'; |
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| 21 | |||
| 22 | /** |
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| 23 | * Tag everything for color management |
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| 24 | */ |
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| 25 | const USE_DEVICE_INDEPENDENT_COLOR = 'UseDeviceIndependentColor'; |
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| 26 | |||
| 27 | /** |
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| 28 | * Convert all colors to gray |
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| 29 | */ |
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| 30 | const GRAY = 'Gray'; |
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| 31 | |||
| 32 | /** |
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| 33 | * Convert all colors to sRGB |
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| 34 | */ |
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| 35 | const SRGB = 'sRGB'; |
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| 36 | |||
| 37 | /** |
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| 38 | * Convert all colors to CMYK |
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| 39 | */ |
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| 40 | const CMYK = 'CMYK'; |
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| 41 | |||
| 42 | /** |
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| 43 | * Available color conversion strategy values |
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| 44 | * |
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| 45 | * @var string[] |
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| 46 | */ |
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| 47 | private static $values = [ |
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| 48 | self::LEAVE_COLOR_UNCHANGED, |
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| 49 | self::USE_DEVICE_INDEPENDENT_COLOR, |
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| 50 | self::GRAY, |
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| 51 | self::SRGB, |
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| 52 | self::CMYK |
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| 53 | ]; |
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| 54 | |||
| 55 | /** |
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| 56 | * Get available color conversion strategy values |
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| 57 | * |
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| 58 | * @return string[] |
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| 59 | */ |
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| 60 | public static function values() |
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| 64 | } |
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| 65 |