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<?php |
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namespace Xls; |
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class Palette |
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{ |
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protected static $colorsMap = array( |
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'aqua' => 0x07, |
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'cyan' => 0x07, |
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'black' => 0x00, |
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'blue' => 0x04, |
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'brown' => 0x10, |
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'magenta' => 0x06, |
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'fuchsia' => 0x06, |
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'gray' => 0x17, |
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'grey' => 0x17, |
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'green' => 0x11, |
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'lime' => 0x03, |
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'navy' => 0x12, |
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'orange' => 0x35, |
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'purple' => 0x14, |
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'red' => 0x02, |
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'silver' => 0x16, |
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'white' => 0x01, |
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'yellow' => 0x05 |
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); |
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protected static $x97Palette = array( |
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array(0x00, 0x00, 0x00, 0x00), // 8 |
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array(0xff, 0xff, 0xff, 0x00), // 9 |
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array(0xff, 0x00, 0x00, 0x00), // 10 |
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array(0x00, 0xff, 0x00, 0x00), // 11 |
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array(0x00, 0x00, 0xff, 0x00), // 12 |
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array(0xff, 0xff, 0x00, 0x00), // 13 |
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array(0xff, 0x00, 0xff, 0x00), // 14 |
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array(0x00, 0xff, 0xff, 0x00), // 15 |
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array(0x80, 0x00, 0x00, 0x00), // 16 |
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array(0x00, 0x80, 0x00, 0x00), // 17 |
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array(0x00, 0x00, 0x80, 0x00), // 18 |
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array(0x80, 0x80, 0x00, 0x00), // 19 |
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array(0x80, 0x00, 0x80, 0x00), // 20 |
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array(0x00, 0x80, 0x80, 0x00), // 21 |
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array(0xc0, 0xc0, 0xc0, 0x00), // 22 |
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array(0x80, 0x80, 0x80, 0x00), // 23 |
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array(0x99, 0x99, 0xff, 0x00), // 24 |
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array(0x99, 0x33, 0x66, 0x00), // 25 |
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array(0xff, 0xff, 0xcc, 0x00), // 26 |
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array(0xcc, 0xff, 0xff, 0x00), // 27 |
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array(0x66, 0x00, 0x66, 0x00), // 28 |
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array(0xff, 0x80, 0x80, 0x00), // 29 |
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array(0x00, 0x66, 0xcc, 0x00), // 30 |
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array(0xcc, 0xcc, 0xff, 0x00), // 31 |
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array(0x00, 0x00, 0x80, 0x00), // 32 |
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array(0xff, 0x00, 0xff, 0x00), // 33 |
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array(0xff, 0xff, 0x00, 0x00), // 34 |
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array(0x00, 0xff, 0xff, 0x00), // 35 |
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array(0x80, 0x00, 0x80, 0x00), // 36 |
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array(0x80, 0x00, 0x00, 0x00), // 37 |
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array(0x00, 0x80, 0x80, 0x00), // 38 |
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array(0x00, 0x00, 0xff, 0x00), // 39 |
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array(0x00, 0xcc, 0xff, 0x00), // 40 |
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array(0xcc, 0xff, 0xff, 0x00), // 41 |
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array(0xcc, 0xff, 0xcc, 0x00), // 42 |
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array(0xff, 0xff, 0x99, 0x00), // 43 |
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array(0x99, 0xcc, 0xff, 0x00), // 44 |
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array(0xff, 0x99, 0xcc, 0x00), // 45 |
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array(0xcc, 0x99, 0xff, 0x00), // 46 |
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array(0xff, 0xcc, 0x99, 0x00), // 47 |
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array(0x33, 0x66, 0xff, 0x00), // 48 |
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array(0x33, 0xcc, 0xcc, 0x00), // 49 |
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array(0x99, 0xcc, 0x00, 0x00), // 50 |
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array(0xff, 0xcc, 0x00, 0x00), // 51 |
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array(0xff, 0x99, 0x00, 0x00), // 52 |
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array(0xff, 0x66, 0x00, 0x00), // 53 |
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array(0x66, 0x66, 0x99, 0x00), // 54 |
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array(0x96, 0x96, 0x96, 0x00), // 55 |
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array(0x00, 0x33, 0x66, 0x00), // 56 |
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array(0x33, 0x99, 0x66, 0x00), // 57 |
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array(0x00, 0x33, 0x00, 0x00), // 58 |
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array(0x33, 0x33, 0x00, 0x00), // 59 |
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array(0x99, 0x33, 0x00, 0x00), // 60 |
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array(0x99, 0x33, 0x66, 0x00), // 61 |
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array(0x33, 0x33, 0x99, 0x00), // 62 |
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array(0x33, 0x33, 0x33, 0x00), // 63 |
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); |
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/** |
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* Return Excel 97+ default palette |
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* @return array |
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*/ |
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public static function getXl97Palette() |
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{ |
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return self::$x97Palette; |
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} |
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/** |
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* @param $index |
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* @param $red |
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* @param $green |
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* @param $blue |
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* |
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* @throws \Exception |
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*/ |
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public static function validateColor($index, $red, $green, $blue) |
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{ |
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// Check that the colour index is the right range |
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if ($index < 8 || $index > 64) { |
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throw new \Exception("Color index $index outside range: 8 <= index <= 64"); |
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} |
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// Check that the colour components are in the right range |
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if (($red < 0 || $red > 255) |
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|| ($green < 0 || $green > 255) |
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|| ($blue < 0 || $blue > 255) |
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) { |
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throw new \Exception("Color component outside range: 0 <= color <= 255"); |
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} |
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} |
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/** |
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* @param $name |
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* |
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* @return bool |
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*/ |
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public static function isValidColor($name) |
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{ |
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return isset(self::$colorsMap[$name]); |
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} |
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/** |
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* Used to convert a color |
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* string into a number. Color range is 0..63 but we will restrict it |
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* to 8..63 to comply with Gnumeric. Colors 0..7 are repeated in 8..15. |
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* |
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* @param string|integer $name name of the color (i.e.: 'blue', 'red', etc..). Optional. |
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* |
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* @return integer The color index |
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*/ |
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public static function getColor($name) |
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{ |
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$defaultColor = 0x7FFF; |
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// Return the default color, 0x7FFF, if undef, |
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if ($name === '') { |
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return $defaultColor; |
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} |
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// or the color string converted to an integer, |
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if (self::isValidColor($name)) { |
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return self::$colorsMap[$name]; |
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} |
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// String is unrecognised or arg is outside range, |
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if (preg_match("/\D/", $name) || $name > 63) { |
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return $defaultColor; |
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} |
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// or an integer in the valid range |
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return $name; |
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} |
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} |
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MAXakaWIZARD /
xls-writer
