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 |