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Added nameToHex method (#55)
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@Braunson
Braunson authored Nov 5, 2020
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1 change: 1 addition & 0 deletions README.md
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Expand Up @@ -167,6 +167,7 @@ echo $myBlue->getCssGradient(10, TRUE);
- primozcigler
- thedavidmeister
- tylercd100
- Braunson

# License
See LICENSE file or [arlo.mit-license.org](http://arlo.mit-license.org)
165 changes: 165 additions & 0 deletions src/Mexitek/PHPColors/Color.php
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Expand Up @@ -232,6 +232,171 @@ public static function rgbToString(array $rgb = array()): string
$rgb['B'] . ')';
}

/**
* Given a standard color name, return hex code
*
* @param string $color_name
* @return string
*/
public static function nameToHex(string $color_name): string
{
$colors = array(
'aliceblue' => 'F0F8FF',
'antiquewhite' => 'FAEBD7',
'aqua' => '00FFFF',
'aquamarine' => '7FFFD4',
'azure' => 'F0FFFF',
'beige' => 'F5F5DC',
'bisque' => 'FFE4C4',
'black' => '000000',
'blanchedalmond' => 'FFEBCD',
'blue' => '0000FF',
'blueviolet' => '8A2BE2',
'brown' => 'A52A2A',
'burlywood' => 'DEB887',
'cadetblue' => '5F9EA0',
'chartreuse' => '7FFF00',
'chocolate' => 'D2691E',
'coral' => 'FF7F50',
'cornflowerblue' => '6495ED',
'cornsilk' => 'FFF8DC',
'crimson' => 'DC143C',
'cyan' => '00FFFF',
'darkblue' => '00008B',
'darkcyan' => '008B8B',
'darkgoldenrod' => 'B8860B',
'darkgray' => 'A9A9A9',
'darkgreen' => '006400',
'darkgrey' => 'A9A9A9',
'darkkhaki' => 'BDB76B',
'darkmagenta' => '8B008B',
'darkolivegreen' => '556B2F',
'darkorange' => 'FF8C00',
'darkorchid' => '9932CC',
'darkred' => '8B0000',
'darksalmon' => 'E9967A',
'darkseagreen' => '8FBC8F',
'darkslateblue' => '483D8B',
'darkslategray' => '2F4F4F',
'darkslategrey' => '2F4F4F',
'darkturquoise' => '00CED1',
'darkviolet' => '9400D3',
'deeppink' => 'FF1493',
'deepskyblue' => '00BFFF',
'dimgray' => '696969',
'dimgrey' => '696969',
'dodgerblue' => '1E90FF',
'firebrick' => 'B22222',
'floralwhite' => 'FFFAF0',
'forestgreen' => '228B22',
'fuchsia' => 'FF00FF',
'gainsboro' => 'DCDCDC',
'ghostwhite' => 'F8F8FF',
'gold' => 'FFD700',
'goldenrod' => 'DAA520',
'gray' => '808080',
'green' => '008000',
'greenyellow' => 'ADFF2F',
'grey' => '808080',
'honeydew' => 'F0FFF0',
'hotpink' => 'FF69B4',
'indianred' => 'CD5C5C',
'indigo' => '4B0082',
'ivory' => 'FFFFF0',
'khaki' => 'F0E68C',
'lavender' => 'E6E6FA',
'lavenderblush' => 'FFF0F5',
'lawngreen' => '7CFC00',
'lemonchiffon' => 'FFFACD',
'lightblue' => 'ADD8E6',
'lightcoral' => 'F08080',
'lightcyan' => 'E0FFFF',
'lightgoldenrodyellow' => 'FAFAD2',
'lightgray' => 'D3D3D3',
'lightgreen' => '90EE90',
'lightgrey' => 'D3D3D3',
'lightpink' => 'FFB6C1',
'lightsalmon' => 'FFA07A',
'lightseagreen' => '20B2AA',
'lightskyblue' => '87CEFA',
'lightslategray' => '778899',
'lightslategrey' => '778899',
'lightsteelblue' => 'B0C4DE',
'lightyellow' => 'FFFFE0',
'lime' => '00FF00',
'limegreen' => '32CD32',
'linen' => 'FAF0E6',
'magenta' => 'FF00FF',
'maroon' => '800000',
'mediumaquamarine' => '66CDAA',
'mediumblue' => '0000CD',
'mediumorchid' => 'BA55D3',
'mediumpurple' => '9370D0',
'mediumseagreen' => '3CB371',
'mediumslateblue' => '7B68EE',
'mediumspringgreen' => '00FA9A',
'mediumturquoise' => '48D1CC',
'mediumvioletred' => 'C71585',
'midnightblue' => '191970',
'mintcream' => 'F5FFFA',
'mistyrose' => 'FFE4E1',
'moccasin' => 'FFE4B5',
'navajowhite' => 'FFDEAD',
'navy' => '000080',
'oldlace' => 'FDF5E6',
'olive' => '808000',
'olivedrab' => '6B8E23',
'orange' => 'FFA500',
'orangered' => 'FF4500',
'orchid' => 'DA70D6',
'palegoldenrod' => 'EEE8AA',
'palegreen' => '98FB98',
'paleturquoise' => 'AFEEEE',
'palevioletred' => 'DB7093',
'papayawhip' => 'FFEFD5',
'peachpuff' => 'FFDAB9',
'peru' => 'CD853F',
'pink' => 'FFC0CB',
'plum' => 'DDA0DD',
'powderblue' => 'B0E0E6',
'purple' => '800080',
'red' => 'FF0000',
'rosybrown' => 'BC8F8F',
'royalblue' => '4169E1',
'saddlebrown' => '8B4513',
'salmon' => 'FA8072',
'sandybrown' => 'F4A460',
'seagreen' => '2E8B57',
'seashell' => 'FFF5EE',
'sienna' => 'A0522D',
'silver' => 'C0C0C0',
'skyblue' => '87CEEB',
'slateblue' => '6A5ACD',
'slategray' => '708090',
'slategrey' => '708090',
'snow' => 'FFFAFA',
'springgreen' => '00FF7F',
'steelblue' => '4682B4',
'tan' => 'D2B48C',
'teal' => '008080',
'thistle' => 'D8BFD8',
'tomato' => 'FF6347',
'turquoise' => '40E0D0',
'violet' => 'EE82EE',
'wheat' => 'F5DEB3',
'white' => 'FFFFFF',
'whitesmoke' => 'F5F5F5',
'yellow' => 'FFFF00',
'yellowgreen' => '9ACD32'
);

$color_name = strtolower($color_name);
if (isset($colors[$color_name])) {
return '#' . $colors[$color_name];
}

return $color_name;
}

/**
* Given a HEX value, returns a darker color. If no desired amount provided, then the color halfway between
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170 changes: 170 additions & 0 deletions tests/colorConvertHex.phpt
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<?php

require __DIR__ . '/bootstrap.php';

use Mexitek\PHPColors\Color;
use Tester\Assert;

// Test cases.
$colorsToConvert = array(
'aliceblue' => 'F0F8FF',
'antiquewhite' => 'FAEBD7',
'aqua' => '00FFFF',
'aquamarine' => '7FFFD4',
'azure' => 'F0FFFF',
'beige' => 'F5F5DC',
'bisque' => 'FFE4C4',
'black' => '000000',
'blanchedalmond' => 'FFEBCD',
'blue' => '0000FF',
'blueviolet' => '8A2BE2',
'brown' => 'A52A2A',
'burlywood' => 'DEB887',
'cadetblue' => '5F9EA0',
'chartreuse' => '7FFF00',
'chocolate' => 'D2691E',
'coral' => 'FF7F50',
'cornflowerblue' => '6495ED',
'cornsilk' => 'FFF8DC',
'crimson' => 'DC143C',
'cyan' => '00FFFF',
'darkblue' => '00008B',
'darkcyan' => '008B8B',
'darkgoldenrod' => 'B8860B',
'darkgray' => 'A9A9A9',
'darkgreen' => '006400',
'darkgrey' => 'A9A9A9',
'darkkhaki' => 'BDB76B',
'darkmagenta' => '8B008B',
'darkolivegreen' => '556B2F',
'darkorange' => 'FF8C00',
'darkorchid' => '9932CC',
'darkred' => '8B0000',
'darksalmon' => 'E9967A',
'darkseagreen' => '8FBC8F',
'darkslateblue' => '483D8B',
'darkslategray' => '2F4F4F',
'darkslategrey' => '2F4F4F',
'darkturquoise' => '00CED1',
'darkviolet' => '9400D3',
'deeppink' => 'FF1493',
'deepskyblue' => '00BFFF',
'dimgray' => '696969',
'dimgrey' => '696969',
'dodgerblue' => '1E90FF',
'firebrick' => 'B22222',
'floralwhite' => 'FFFAF0',
'forestgreen' => '228B22',
'fuchsia' => 'FF00FF',
'gainsboro' => 'DCDCDC',
'ghostwhite' => 'F8F8FF',
'gold' => 'FFD700',
'goldenrod' => 'DAA520',
'gray' => '808080',
'green' => '008000',
'greenyellow' => 'ADFF2F',
'grey' => '808080',
'honeydew' => 'F0FFF0',
'hotpink' => 'FF69B4',
'indianred' => 'CD5C5C',
'indigo' => '4B0082',
'ivory' => 'FFFFF0',
'khaki' => 'F0E68C',
'lavender' => 'E6E6FA',
'lavenderblush' => 'FFF0F5',
'lawngreen' => '7CFC00',
'lemonchiffon' => 'FFFACD',
'lightblue' => 'ADD8E6',
'lightcoral' => 'F08080',
'lightcyan' => 'E0FFFF',
'lightgoldenrodyellow' => 'FAFAD2',
'lightgray' => 'D3D3D3',
'lightgreen' => '90EE90',
'lightgrey' => 'D3D3D3',
'lightpink' => 'FFB6C1',
'lightsalmon' => 'FFA07A',
'lightseagreen' => '20B2AA',
'lightskyblue' => '87CEFA',
'lightslategray' => '778899',
'lightslategrey' => '778899',
'lightsteelblue' => 'B0C4DE',
'lightyellow' => 'FFFFE0',
'lime' => '00FF00',
'limegreen' => '32CD32',
'linen' => 'FAF0E6',
'magenta' => 'FF00FF',
'maroon' => '800000',
'mediumaquamarine' => '66CDAA',
'mediumblue' => '0000CD',
'mediumorchid' => 'BA55D3',
'mediumpurple' => '9370D0',
'mediumseagreen' => '3CB371',
'mediumslateblue' => '7B68EE',
'mediumspringgreen' => '00FA9A',
'mediumturquoise' => '48D1CC',
'mediumvioletred' => 'C71585',
'midnightblue' => '191970',
'mintcream' => 'F5FFFA',
'mistyrose' => 'FFE4E1',
'moccasin' => 'FFE4B5',
'navajowhite' => 'FFDEAD',
'navy' => '000080',
'oldlace' => 'FDF5E6',
'olive' => '808000',
'olivedrab' => '6B8E23',
'orange' => 'FFA500',
'orangered' => 'FF4500',
'orchid' => 'DA70D6',
'palegoldenrod' => 'EEE8AA',
'palegreen' => '98FB98',
'paleturquoise' => 'AFEEEE',
'palevioletred' => 'DB7093',
'papayawhip' => 'FFEFD5',
'peachpuff' => 'FFDAB9',
'peru' => 'CD853F',
'pink' => 'FFC0CB',
'plum' => 'DDA0DD',
'powderblue' => 'B0E0E6',
'purple' => '800080',
'red' => 'FF0000',
'rosybrown' => 'BC8F8F',
'royalblue' => '4169E1',
'saddlebrown' => '8B4513',
'salmon' => 'FA8072',
'sandybrown' => 'F4A460',
'seagreen' => '2E8B57',
'seashell' => 'FFF5EE',
'sienna' => 'A0522D',
'silver' => 'C0C0C0',
'skyblue' => '87CEEB',
'slateblue' => '6A5ACD',
'slategray' => '708090',
'slategrey' => '708090',
'snow' => 'FFFAFA',
'springgreen' => '00FF7F',
'steelblue' => '4682B4',
'tan' => 'D2B48C',
'teal' => '008080',
'thistle' => 'D8BFD8',
'tomato' => 'FF6347',
'turquoise' => '40E0D0',
'violet' => 'EE82EE',
'wheat' => 'F5DEB3',
'white' => 'FFFFFF',
'whitesmoke' => 'F5F5F5',
'yellow' => 'FFFF00',
'yellowgreen' => '9ACD32'
);

foreach ($colorsToConvert as $name => $hex) {
$hex = '#' . $hex;

$answer = Color::nameToHex($name);
Assert::same(
$hex,
$answer,
'Incorrect hex result: "' . Color::nameToHex($name) .
'" should convert to "' . $hex .
'", but output was: "' . $answer . '".'
);
}

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