1 | <?php |
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15 | class ColorSpace |
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16 | { |
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17 | /** |
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18 | * RGB color space. |
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19 | */ |
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20 | const COLOR_SPACE_RGB = 1; |
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21 | |||
22 | /** |
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23 | * CMYK color space. |
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24 | */ |
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25 | const COLOR_SPACE_CMYK = 2; |
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26 | |||
27 | /** |
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28 | * Grayscale color space. |
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29 | */ |
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30 | const COLOR_SPACE_GRAYSCALE = 3; |
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31 | |||
32 | /** |
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33 | * Valid values |
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34 | * |
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35 | * @var int[] |
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36 | */ |
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37 | protected static $values = [ |
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38 | self::COLOR_SPACE_RGB, |
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39 | self::COLOR_SPACE_CMYK, |
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40 | self::COLOR_SPACE_GRAYSCALE |
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41 | ]; |
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42 | |||
43 | /** |
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44 | * Return valid values |
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45 | * |
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46 | * @return int[] |
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47 | */ |
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48 | public static function values() |
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52 | } |
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53 |