Included a file containing necessary TCPDF functions that are not included in Moodle core
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Mark Nelson
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commit
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1 changed files with 452 additions and 0 deletions
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includes/tcpdf_colors.php
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includes/tcpdf_colors.php
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<?php
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//============================================================+
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// File name : tcpdf_colors.php
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// Version : 1.0.000
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// Begin : 2002-04-09
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// Last Update : 2013-03-25
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// Author : Nicola Asuni - Tecnick.com LTD - Manor Coach House, Church Hill, Aldershot, Hants, GU12 4RQ, UK - www.tecnick.com - info@tecnick.com
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// License : GNU-LGPL v3 (http://www.gnu.org/copyleft/lesser.html)
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// -------------------------------------------------------------------
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// Copyright (C) 2002-2013 Nicola Asuni - Tecnick.com LTD
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//
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// This file is part of TCPDF software library.
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//
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// TCPDF is free software: you can redistribute it and/or modify it
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// under the terms of the GNU Lesser General Public License as
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// published by the Free Software Foundation, either version 3 of the
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// License, or (at your option) any later version.
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//
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// TCPDF is distributed in the hope that it will be useful, but
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// WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
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// See the GNU Lesser General Public License for more details.
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//
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// You should have received a copy of the GNU Lesser General Public License
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// along with TCPDF. If not, see <http://www.gnu.org/licenses/>.
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//
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// See LICENSE.TXT file for more information.
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// -------------------------------------------------------------------
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//
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// Description : Array of WEB safe colors
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//
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//============================================================+
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/**
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* @file
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* PHP color class for TCPDF
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* @author Nicola Asuni
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* @package com.tecnick.tcpdf
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*/
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/**
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* @class TCPDF_COLORS
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* PHP color class for TCPDF
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* @package com.tecnick.tcpdf
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* @version 1.0.000
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* @author Nicola Asuni - info@tecnick.com
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*/
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class TCPDF_COLORS {
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/**
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* Array of WEB safe colors
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* @public static
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*/
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public static $webcolor = array (
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'aliceblue' => 'f0f8ff',
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'antiquewhite' => 'faebd7',
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'aqua' => '00ffff',
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'aquamarine' => '7fffd4',
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'azure' => 'f0ffff',
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'beige' => 'f5f5dc',
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'bisque' => 'ffe4c4',
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'black' => '000000',
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'blanchedalmond' => 'ffebcd',
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'blue' => '0000ff',
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'blueviolet' => '8a2be2',
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'brown' => 'a52a2a',
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'burlywood' => 'deb887',
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'cadetblue' => '5f9ea0',
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'chartreuse' => '7fff00',
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'chocolate' => 'd2691e',
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'coral' => 'ff7f50',
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'cornflowerblue' => '6495ed',
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'cornsilk' => 'fff8dc',
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'crimson' => 'dc143c',
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'cyan' => '00ffff',
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'darkblue' => '00008b',
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'darkcyan' => '008b8b',
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'darkgoldenrod' => 'b8860b',
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'dkgray' => 'a9a9a9',
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'darkgray' => 'a9a9a9',
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'darkgrey' => 'a9a9a9',
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'darkgreen' => '006400',
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'darkkhaki' => 'bdb76b',
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'darkmagenta' => '8b008b',
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'darkolivegreen' => '556b2f',
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'darkorange' => 'ff8c00',
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'darkorchid' => '9932cc',
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'darkred' => '8b0000',
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'darksalmon' => 'e9967a',
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'darkseagreen' => '8fbc8f',
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'darkslateblue' => '483d8b',
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'darkslategray' => '2f4f4f',
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'darkslategrey' => '2f4f4f',
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'darkturquoise' => '00ced1',
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'darkviolet' => '9400d3',
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'deeppink' => 'ff1493',
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'deepskyblue' => '00bfff',
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'dimgray' => '696969',
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'dimgrey' => '696969',
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'dodgerblue' => '1e90ff',
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'firebrick' => 'b22222',
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'floralwhite' => 'fffaf0',
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'forestgreen' => '228b22',
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'fuchsia' => 'ff00ff',
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'gainsboro' => 'dcdcdc',
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'ghostwhite' => 'f8f8ff',
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'gold' => 'ffd700',
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'goldenrod' => 'daa520',
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'gray' => '808080',
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'grey' => '808080',
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'green' => '008000',
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'greenyellow' => 'adff2f',
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'honeydew' => 'f0fff0',
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'hotpink' => 'ff69b4',
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'indianred' => 'cd5c5c',
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'indigo' => '4b0082',
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'ivory' => 'fffff0',
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'khaki' => 'f0e68c',
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'lavender' => 'e6e6fa',
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'lavenderblush' => 'fff0f5',
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'lawngreen' => '7cfc00',
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'lemonchiffon' => 'fffacd',
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'lightblue' => 'add8e6',
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'lightcoral' => 'f08080',
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'lightcyan' => 'e0ffff',
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'lightgoldenrodyellow' => 'fafad2',
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'ltgray' => 'd3d3d3',
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'lightgray' => 'd3d3d3',
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'lightgrey' => 'd3d3d3',
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'lightgreen' => '90ee90',
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'lightpink' => 'ffb6c1',
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'lightsalmon' => 'ffa07a',
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'lightseagreen' => '20b2aa',
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'lightskyblue' => '87cefa',
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'lightslategray' => '778899',
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'lightslategrey' => '778899',
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'lightsteelblue' => 'b0c4de',
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'lightyellow' => 'ffffe0',
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'lime' => '00ff00',
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'limegreen' => '32cd32',
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'linen' => 'faf0e6',
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'magenta' => 'ff00ff',
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'maroon' => '800000',
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'mediumaquamarine' => '66cdaa',
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'mediumblue' => '0000cd',
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'mediumorchid' => 'ba55d3',
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'mediumpurple' => '9370d8',
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'mediumseagreen' => '3cb371',
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'mediumslateblue' => '7b68ee',
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'mediumspringgreen' => '00fa9a',
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'mediumturquoise' => '48d1cc',
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'mediumvioletred' => 'c71585',
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'midnightblue' => '191970',
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'mintcream' => 'f5fffa',
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'mistyrose' => 'ffe4e1',
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'moccasin' => 'ffe4b5',
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'navajowhite' => 'ffdead',
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'navy' => '000080',
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'oldlace' => 'fdf5e6',
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'olive' => '808000',
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'olivedrab' => '6b8e23',
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'orange' => 'ffa500',
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'orangered' => 'ff4500',
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'orchid' => 'da70d6',
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'palegoldenrod' => 'eee8aa',
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'palegreen' => '98fb98',
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'paleturquoise' => 'afeeee',
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'palevioletred' => 'd87093',
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'papayawhip' => 'ffefd5',
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'peachpuff' => 'ffdab9',
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'peru' => 'cd853f',
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'pink' => 'ffc0cb',
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'plum' => 'dda0dd',
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'powderblue' => 'b0e0e6',
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'purple' => '800080',
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'red' => 'ff0000',
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'rosybrown' => 'bc8f8f',
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'royalblue' => '4169e1',
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'saddlebrown' => '8b4513',
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'salmon' => 'fa8072',
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'sandybrown' => 'f4a460',
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'seagreen' => '2e8b57',
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'seashell' => 'fff5ee',
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'sienna' => 'a0522d',
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'silver' => 'c0c0c0',
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'skyblue' => '87ceeb',
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'slateblue' => '6a5acd',
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'slategray' => '708090',
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'slategrey' => '708090',
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'snow' => 'fffafa',
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'springgreen' => '00ff7f',
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'steelblue' => '4682b4',
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'tan' => 'd2b48c',
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'teal' => '008080',
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'thistle' => 'd8bfd8',
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'tomato' => 'ff6347',
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'turquoise' => '40e0d0',
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'violet' => 'ee82ee',
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'wheat' => 'f5deb3',
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'white' => 'ffffff',
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'whitesmoke' => 'f5f5f5',
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'yellow' => 'ffff00',
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'yellowgreen' => '9acd32'
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); // end of web colors
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/**
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* Array of valid JavaScript color names
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* @public static
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*/
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public static $jscolor = array ('transparent', 'black', 'white', 'red', 'green', 'blue', 'cyan', 'magenta', 'yellow', 'dkGray', 'gray', 'ltGray');
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/**
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* Array of Spot colors (C,M,Y,K,name)
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* Color keys must be in lowercase and without spaces.
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* 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.
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* Common industry standard spot colors are: ANPA-COLOR, DIC, FOCOLTONE, GCMI, HKS, PANTONE, TOYO, TRUMATCH.
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* @public static
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*/
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public static $spotcolor = array (
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// the following are just examples, fill the array with your own values
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'mytcpdfblack' => array(0, 0, 0, 100, 'My TCPDF Black'),
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'mytcpdfred' => array(30, 100, 90, 10, 'My TCPDF Red'),
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'mytcpdfgreen' => array(100, 30, 100, 0, 'My TCPDF Green'),
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'mytcpdfblue' => array(100, 60, 10, 5, 'My TCPDF Blue'),
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'mytcpdfyellow' => array(0, 20, 100, 0, 'My TCPDF Yellow'),
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// ...
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); // end of spot colors
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// - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
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/**
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* Return the Spot color array.
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* @param $name (string) Name of the spot color.
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* @param $spotc (array) Reference to an array of spot colors.
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* @return (array) Spot color array or false if not defined.
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* @since 5.9.125 (2011-10-03)
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* @public static
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*/
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public static function getSpotColor($name, &$spotc) {
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if (isset($spotc[$name])) {
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return $spotc[$name];
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}
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$color = preg_replace('/[\s]*/', '', $name); // remove extra spaces
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$color = strtolower($color);
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if (isset(self::$spotcolor[$color])) {
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if (!isset($spotc[$name])) {
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$i = (1 + count($spotc));
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$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);
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}
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return $spotc[self::$spotcolor[$color][4]];
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}
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return false;
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}
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/**
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* 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.
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* @param $hcolor (string) HTML color.
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* @param $spotc (array) Reference to an array of spot colors.
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* @param $defcol (array) Color to return in case of error.
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* @return array RGB or CMYK color, or false in case of error.
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* @public static
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*/
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public static function convertHTMLColorToDec($hcolor, &$spotc, $defcol=array('R'=>128,'G'=>128,'B'=>128)) {
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$color = preg_replace('/[\s]*/', '', $hcolor); // remove extra spaces
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$color = strtolower($color);
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// check for javascript color array syntax
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if (strpos($color, '[') !== false) {
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if (preg_match('/[\[][\"\'](t|g|rgb|cmyk)[\"\'][\,]?([0-9\.]*)[\,]?([0-9\.]*)[\,]?([0-9\.]*)[\,]?([0-9\.]*)[\]]/', $color, $m) > 0) {
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$returncolor = array();
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switch ($m[1]) {
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case 'cmyk': {
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// RGB
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$returncolor['C'] = max(0, min(100, (floatval($m[2]) * 100)));
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$returncolor['M'] = max(0, min(100, (floatval($m[3]) * 100)));
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$returncolor['Y'] = max(0, min(100, (floatval($m[4]) * 100)));
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$returncolor['K'] = max(0, min(100, (floatval($m[5]) * 100)));
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break;
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}
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case 'rgb': {
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// RGB
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$returncolor['R'] = max(0, min(255, (floatval($m[2]) * 255)));
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$returncolor['G'] = max(0, min(255, (floatval($m[3]) * 255)));
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$returncolor['B'] = max(0, min(255, (floatval($m[4]) * 255)));
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break;
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}
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case 'g': {
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// grayscale
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$returncolor['G'] = max(0, min(255, (floatval($m[2]) * 255)));
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break;
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}
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case 't':
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default: {
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// transparent (empty array)
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break;
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}
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}
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return $returncolor;
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}
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} elseif (($dotpos = strpos($color, '.')) !== false) {
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// remove class parent (i.e.: color.red)
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$color = substr($color, ($dotpos + 1));
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if ($color == 'transparent') {
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// transparent (empty array)
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return array();
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}
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}
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if (strlen($color) == 0) {
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return $defcol;
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}
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// RGB ARRAY
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if (substr($color, 0, 3) == 'rgb') {
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$codes = substr($color, 4);
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$codes = str_replace(')', '', $codes);
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$returncolor = explode(',', $codes);
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foreach ($returncolor as $key => $val) {
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if (strpos($val, '%') > 0) {
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// percentage
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$returncolor[$key] = (255 * intval($val) / 100);
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} else {
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$returncolor[$key] = intval($val);
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}
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// normalize value
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$returncolor[$key] = max(0, min(255, $returncolor[$key]));
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}
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return $returncolor;
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}
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// CMYK ARRAY
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if (substr($color, 0, 4) == 'cmyk') {
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$codes = substr($color, 5);
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$codes = str_replace(')', '', $codes);
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$returncolor = explode(',', $codes);
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foreach ($returncolor as $key => $val) {
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if (strpos($val, '%') !== false) {
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// percentage
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$returncolor[$key] = (100 * intval($val) / 100);
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} else {
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$returncolor[$key] = intval($val);
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}
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// normalize value
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$returncolor[$key] = max(0, min(100, $returncolor[$key]));
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}
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return $returncolor;
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}
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if ($color{0} != '#') {
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// COLOR NAME
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if (isset(self::$webcolor[$color])) {
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// web color
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$color_code = self::$webcolor[$color];
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} else {
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// spot color
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$returncolor = self::getSpotColor($color, $spotc);
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if ($returncolor === false) {
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$returncolor = $defcol;
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}
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return $returncolor;
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}
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} else {
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$color_code = substr($color, 1);
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}
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// HEXADECIMAL REPRESENTATION
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switch (strlen($color_code)) {
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case 3: {
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// 3-digit RGB hexadecimal representation
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$r = substr($color_code, 0, 1);
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$g = substr($color_code, 1, 1);
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$b = substr($color_code, 2, 1);
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$returncolor = array();
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$returncolor['R'] = max(0, min(255, hexdec($r.$r)));
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$returncolor['G'] = max(0, min(255, hexdec($g.$g)));
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$returncolor['B'] = max(0, min(255, hexdec($b.$b)));
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break;
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}
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case 6: {
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// 6-digit RGB hexadecimal representation
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$returncolor = array();
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$returncolor['R'] = max(0, min(255, hexdec(substr($color_code, 0, 2))));
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$returncolor['G'] = max(0, min(255, hexdec(substr($color_code, 2, 2))));
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$returncolor['B'] = max(0, min(255, hexdec(substr($color_code, 4, 2))));
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break;
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}
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case 8: {
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// 8-digit CMYK hexadecimal representation
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$returncolor = array();
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$returncolor['C'] = max(0, min(100, round(hexdec(substr($color_code, 0, 2)) / 2.55)));
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$returncolor['M'] = max(0, min(100, round(hexdec(substr($color_code, 2, 2)) / 2.55)));
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$returncolor['Y'] = max(0, min(100, round(hexdec(substr($color_code, 4, 2)) / 2.55)));
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$returncolor['K'] = max(0, min(100, round(hexdec(substr($color_code, 6, 2)) / 2.55)));
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break;
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}
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default: {
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$returncolor = $defcol;
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break;
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}
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}
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return $returncolor;
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}
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/**
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* Convert a color array into a string representation.
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* @param $c (array) Array of colors.
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* @return (string) The color array representation.
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* @since 5.9.137 (2011-12-01)
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* @public static
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*/
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public static function getColorStringFromArray($c) {
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$c = array_values($c);
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$color = '[';
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switch (count($c)) {
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case 4: {
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// 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
|
||||
//============================================================+
|
||||
Loading…
Reference in a new issue