From a6cb51641f8388def09a05eb191575ea0dc8037a Mon Sep 17 00:00:00 2001 From: Mark Nelson Date: Thu, 11 Apr 2013 18:44:14 +0800 Subject: [PATCH] Included a file containing necessary TCPDF functions that are not included in Moodle core --- includes/tcpdf_colors.php | 452 ++++++++++++++++++++++++++++++++++++++ 1 file changed, 452 insertions(+) create mode 100644 includes/tcpdf_colors.php diff --git a/includes/tcpdf_colors.php b/includes/tcpdf_colors.php new file mode 100644 index 0000000..7942219 --- /dev/null +++ b/includes/tcpdf_colors.php @@ -0,0 +1,452 @@ +. +// +// See LICENSE.TXT file for more information. +// ------------------------------------------------------------------- +// +// Description : Array of WEB safe colors +// +//============================================================+ + +/** + * @file + * PHP color class for TCPDF + * @author Nicola Asuni + * @package com.tecnick.tcpdf + */ + +/** + * @class TCPDF_COLORS + * PHP color class for TCPDF + * @package com.tecnick.tcpdf + * @version 1.0.000 + * @author Nicola Asuni - info@tecnick.com + */ +class TCPDF_COLORS { + + /** + * Array of WEB safe colors + * @public static + */ + public static $webcolor = 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', + 'dkgray' => 'a9a9a9', + 'darkgray' => 'a9a9a9', + 'darkgrey' => 'a9a9a9', + 'darkgreen' => '006400', + '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', + 'grey' => '808080', + 'green' => '008000', + 'greenyellow' => 'adff2f', + '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', + 'ltgray' => 'd3d3d3', + 'lightgray' => 'd3d3d3', + 'lightgrey' => 'd3d3d3', + 'lightgreen' => '90ee90', + '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' => '9370d8', + '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' => 'd87093', + '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' + ); // end of web colors + + /** + * Array of valid JavaScript color names + * @public static + */ + public static $jscolor = array ('transparent', 'black', 'white', 'red', 'green', 'blue', 'cyan', 'magenta', 'yellow', 'dkGray', 'gray', 'ltGray'); + + /** + * Array of Spot colors (C,M,Y,K,name) + * Color keys must be in lowercase and without spaces. + * As long as no open standard for spot colours exists, you have to buy a colour book by one of the colour manufacturers and insert the values and names of spot colours directly. + * Common industry standard spot colors are: ANPA-COLOR, DIC, FOCOLTONE, GCMI, HKS, PANTONE, TOYO, TRUMATCH. + * @public static + */ + public static $spotcolor = array ( + // the following are just examples, fill the array with your own values + 'mytcpdfblack' => array(0, 0, 0, 100, 'My TCPDF Black'), + 'mytcpdfred' => array(30, 100, 90, 10, 'My TCPDF Red'), + 'mytcpdfgreen' => array(100, 30, 100, 0, 'My TCPDF Green'), + 'mytcpdfblue' => array(100, 60, 10, 5, 'My TCPDF Blue'), + 'mytcpdfyellow' => array(0, 20, 100, 0, 'My TCPDF Yellow'), + // ... + ); // end of spot colors + + // - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - + + /** + * Return the Spot color array. + * @param $name (string) Name of the spot color. + * @param $spotc (array) Reference to an array of spot colors. + * @return (array) Spot color array or false if not defined. + * @since 5.9.125 (2011-10-03) + * @public static + */ + public static function getSpotColor($name, &$spotc) { + if (isset($spotc[$name])) { + return $spotc[$name]; + } + $color = preg_replace('/[\s]*/', '', $name); // remove extra spaces + $color = strtolower($color); + if (isset(self::$spotcolor[$color])) { + if (!isset($spotc[$name])) { + $i = (1 + count($spotc)); + $spotc[$name] = array('C' => self::$spotcolor[$color][0], 'M' => self::$spotcolor[$color][1], 'Y' => self::$spotcolor[$color][2], 'K' => self::$spotcolor[$color][3], 'name' => self::$spotcolor[$color][4], 'i' => $i); + } + return $spotc[self::$spotcolor[$color][4]]; + } + return false; + } + + /** + * Returns an array (RGB or CMYK) from an html color name, or a six-digit (i.e. #3FE5AA), or three-digit (i.e. #7FF) hexadecimal color, or a javascript color array, or javascript color name. + * @param $hcolor (string) HTML color. + * @param $spotc (array) Reference to an array of spot colors. + * @param $defcol (array) Color to return in case of error. + * @return array RGB or CMYK color, or false in case of error. + * @public static + */ + public static function convertHTMLColorToDec($hcolor, &$spotc, $defcol=array('R'=>128,'G'=>128,'B'=>128)) { + $color = preg_replace('/[\s]*/', '', $hcolor); // remove extra spaces + $color = strtolower($color); + // check for javascript color array syntax + if (strpos($color, '[') !== false) { + if (preg_match('/[\[][\"\'](t|g|rgb|cmyk)[\"\'][\,]?([0-9\.]*)[\,]?([0-9\.]*)[\,]?([0-9\.]*)[\,]?([0-9\.]*)[\]]/', $color, $m) > 0) { + $returncolor = array(); + switch ($m[1]) { + case 'cmyk': { + // RGB + $returncolor['C'] = max(0, min(100, (floatval($m[2]) * 100))); + $returncolor['M'] = max(0, min(100, (floatval($m[3]) * 100))); + $returncolor['Y'] = max(0, min(100, (floatval($m[4]) * 100))); + $returncolor['K'] = max(0, min(100, (floatval($m[5]) * 100))); + break; + } + case 'rgb': { + // RGB + $returncolor['R'] = max(0, min(255, (floatval($m[2]) * 255))); + $returncolor['G'] = max(0, min(255, (floatval($m[3]) * 255))); + $returncolor['B'] = max(0, min(255, (floatval($m[4]) * 255))); + break; + } + case 'g': { + // grayscale + $returncolor['G'] = max(0, min(255, (floatval($m[2]) * 255))); + break; + } + case 't': + default: { + // transparent (empty array) + break; + } + } + return $returncolor; + } + } elseif (($dotpos = strpos($color, '.')) !== false) { + // remove class parent (i.e.: color.red) + $color = substr($color, ($dotpos + 1)); + if ($color == 'transparent') { + // transparent (empty array) + return array(); + } + } + if (strlen($color) == 0) { + return $defcol; + } + // RGB ARRAY + if (substr($color, 0, 3) == 'rgb') { + $codes = substr($color, 4); + $codes = str_replace(')', '', $codes); + $returncolor = explode(',', $codes); + foreach ($returncolor as $key => $val) { + if (strpos($val, '%') > 0) { + // percentage + $returncolor[$key] = (255 * intval($val) / 100); + } else { + $returncolor[$key] = intval($val); + } + // normalize value + $returncolor[$key] = max(0, min(255, $returncolor[$key])); + } + return $returncolor; + } + // CMYK ARRAY + if (substr($color, 0, 4) == 'cmyk') { + $codes = substr($color, 5); + $codes = str_replace(')', '', $codes); + $returncolor = explode(',', $codes); + foreach ($returncolor as $key => $val) { + if (strpos($val, '%') !== false) { + // percentage + $returncolor[$key] = (100 * intval($val) / 100); + } else { + $returncolor[$key] = intval($val); + } + // normalize value + $returncolor[$key] = max(0, min(100, $returncolor[$key])); + } + return $returncolor; + } + if ($color{0} != '#') { + // COLOR NAME + if (isset(self::$webcolor[$color])) { + // web color + $color_code = self::$webcolor[$color]; + } else { + // spot color + $returncolor = self::getSpotColor($color, $spotc); + if ($returncolor === false) { + $returncolor = $defcol; + } + return $returncolor; + } + } else { + $color_code = substr($color, 1); + } + // HEXADECIMAL REPRESENTATION + switch (strlen($color_code)) { + case 3: { + // 3-digit RGB hexadecimal representation + $r = substr($color_code, 0, 1); + $g = substr($color_code, 1, 1); + $b = substr($color_code, 2, 1); + $returncolor = array(); + $returncolor['R'] = max(0, min(255, hexdec($r.$r))); + $returncolor['G'] = max(0, min(255, hexdec($g.$g))); + $returncolor['B'] = max(0, min(255, hexdec($b.$b))); + break; + } + case 6: { + // 6-digit RGB hexadecimal representation + $returncolor = array(); + $returncolor['R'] = max(0, min(255, hexdec(substr($color_code, 0, 2)))); + $returncolor['G'] = max(0, min(255, hexdec(substr($color_code, 2, 2)))); + $returncolor['B'] = max(0, min(255, hexdec(substr($color_code, 4, 2)))); + break; + } + case 8: { + // 8-digit CMYK hexadecimal representation + $returncolor = array(); + $returncolor['C'] = max(0, min(100, round(hexdec(substr($color_code, 0, 2)) / 2.55))); + $returncolor['M'] = max(0, min(100, round(hexdec(substr($color_code, 2, 2)) / 2.55))); + $returncolor['Y'] = max(0, min(100, round(hexdec(substr($color_code, 4, 2)) / 2.55))); + $returncolor['K'] = max(0, min(100, round(hexdec(substr($color_code, 6, 2)) / 2.55))); + break; + } + default: { + $returncolor = $defcol; + break; + } + } + return $returncolor; + } + + /** + * Convert a color array into a string representation. + * @param $c (array) Array of colors. + * @return (string) The color array representation. + * @since 5.9.137 (2011-12-01) + * @public static + */ + public static function getColorStringFromArray($c) { + $c = array_values($c); + $color = '['; + switch (count($c)) { + case 4: { + // CMYK + $color .= sprintf('%F %F %F %F', (max(0, min(100, floatval($c[0]))) / 100), (max(0, min(100, floatval($c[1]))) / 100), (max(0, min(100, floatval($c[2]))) / 100), (max(0, min(100, floatval($c[3]))) / 100)); + break; + } + case 3: { + // RGB + $color .= sprintf('%F %F %F', (max(0, min(255, floatval($c[0]))) / 255), (max(0, min(255, floatval($c[1]))) / 255), (max(0, min(255, floatval($c[2]))) / 255)); + break; + } + case 1: { + // grayscale + $color .= sprintf('%F', (max(0, min(255, floatval($c[0]))) / 255)); + break; + } + } + $color .= ']'; + return $color; + } + + /** + * Convert color to javascript color. + * @param $color (string) color name or "#RRGGBB" + * @protected + * @since 2.1.002 (2008-02-12) + * @public static + */ + public static function _JScolor($color) { + if (substr($color, 0, 1) == '#') { + return sprintf("['RGB',%F,%F,%F]", (hexdec(substr($color, 1, 2)) / 255), (hexdec(substr($color, 3, 2)) / 255), (hexdec(substr($color, 5, 2)) / 255)); + } + if (!in_array($color, self::$jscolor)) { + // default transparent color + $color = $jscolor[0]; + } + return 'color.'.$color; + } + + +} // --- END OF CLASS --- + +//============================================================+ +// END OF FILE +//============================================================+