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443 lines
16 KiB
443 lines
16 KiB
<?php
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/**
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* PHPExcel_Style_Color
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*
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* Copyright (c) 2006 - 2015 PHPExcel
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* 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
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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*
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* @category PHPExcel
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* @package PHPExcel_Style
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* @copyright Copyright (c) 2006 - 2015 PHPExcel (http://www.codeplex.com/PHPExcel)
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* @license http://www.gnu.org/licenses/old-licenses/lgpl-2.1.txt LGPL
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* @version ##VERSION##, ##DATE##
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*/
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class PHPExcel_Style_Color extends PHPExcel_Style_Supervisor implements PHPExcel_IComparable
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{
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/* Colors */
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const COLOR_BLACK = 'FF000000';
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const COLOR_WHITE = 'FFFFFFFF';
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const COLOR_RED = 'FFFF0000';
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const COLOR_DARKRED = 'FF800000';
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const COLOR_BLUE = 'FF0000FF';
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const COLOR_DARKBLUE = 'FF000080';
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const COLOR_GREEN = 'FF00FF00';
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const COLOR_DARKGREEN = 'FF008000';
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const COLOR_YELLOW = 'FFFFFF00';
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const COLOR_DARKYELLOW = 'FF808000';
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/**
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* Indexed colors array
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*
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* @var array
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*/
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protected static $indexedColors;
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/**
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* ARGB - Alpha RGB
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*
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* @var string
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*/
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protected $argb = null;
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/**
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* Parent property name
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*
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* @var string
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*/
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protected $parentPropertyName;
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/**
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* Create a new PHPExcel_Style_Color
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*
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* @param string $pARGB ARGB value for the colour
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* @param boolean $isSupervisor Flag indicating if this is a supervisor or not
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* Leave this value at default unless you understand exactly what
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* its ramifications are
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* @param boolean $isConditional Flag indicating if this is a conditional style or not
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* Leave this value at default unless you understand exactly what
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* its ramifications are
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*/
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public function __construct($pARGB = PHPExcel_Style_Color::COLOR_BLACK, $isSupervisor = false, $isConditional = false)
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{
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// Supervisor?
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parent::__construct($isSupervisor);
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// Initialise values
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if (!$isConditional) {
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$this->argb = $pARGB;
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}
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}
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/**
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* Bind parent. Only used for supervisor
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*
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* @param mixed $parent
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* @param string $parentPropertyName
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* @return PHPExcel_Style_Color
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*/
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public function bindParent($parent, $parentPropertyName = null)
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{
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$this->parent = $parent;
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$this->parentPropertyName = $parentPropertyName;
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return $this;
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}
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/**
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* Get the shared style component for the currently active cell in currently active sheet.
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* Only used for style supervisor
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*
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* @return PHPExcel_Style_Color
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*/
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public function getSharedComponent()
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{
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switch ($this->parentPropertyName) {
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case 'endColor':
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return $this->parent->getSharedComponent()->getEndColor();
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case 'color':
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return $this->parent->getSharedComponent()->getColor();
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case 'startColor':
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return $this->parent->getSharedComponent()->getStartColor();
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}
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}
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/**
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* Build style array from subcomponents
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*
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* @param array $array
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* @return array
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*/
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public function getStyleArray($array)
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{
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switch ($this->parentPropertyName) {
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case 'endColor':
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$key = 'endcolor';
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break;
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case 'color':
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$key = 'color';
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break;
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case 'startColor':
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$key = 'startcolor';
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break;
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}
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return $this->parent->getStyleArray(array($key => $array));
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}
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/**
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* Apply styles from array
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*
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* <code>
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* $objPHPExcel->getActiveSheet()->getStyle('B2')->getFont()->getColor()->applyFromArray( array('rgb' => '808080') );
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* </code>
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*
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* @param array $pStyles Array containing style information
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* @throws PHPExcel_Exception
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* @return PHPExcel_Style_Color
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*/
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public function applyFromArray($pStyles = null)
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{
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if (is_array($pStyles)) {
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if ($this->isSupervisor) {
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$this->getActiveSheet()->getStyle($this->getSelectedCells())->applyFromArray($this->getStyleArray($pStyles));
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} else {
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if (array_key_exists('rgb', $pStyles)) {
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$this->setRGB($pStyles['rgb']);
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}
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if (array_key_exists('argb', $pStyles)) {
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$this->setARGB($pStyles['argb']);
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}
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}
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} else {
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throw new PHPExcel_Exception("Invalid style array passed.");
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}
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return $this;
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}
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/**
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* Get ARGB
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*
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* @return string
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*/
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public function getARGB()
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{
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if ($this->isSupervisor) {
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return $this->getSharedComponent()->getARGB();
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}
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return $this->argb;
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}
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/**
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* Set ARGB
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*
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* @param string $pValue
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* @return PHPExcel_Style_Color
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*/
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public function setARGB($pValue = PHPExcel_Style_Color::COLOR_BLACK)
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{
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if ($pValue == '') {
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$pValue = PHPExcel_Style_Color::COLOR_BLACK;
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}
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if ($this->isSupervisor) {
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$styleArray = $this->getStyleArray(array('argb' => $pValue));
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$this->getActiveSheet()->getStyle($this->getSelectedCells())->applyFromArray($styleArray);
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} else {
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$this->argb = $pValue;
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}
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return $this;
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}
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/**
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* Get RGB
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*
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* @return string
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*/
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public function getRGB()
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{
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if ($this->isSupervisor) {
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return $this->getSharedComponent()->getRGB();
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}
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return substr($this->argb, 2);
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}
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/**
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* Set RGB
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*
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* @param string $pValue RGB value
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* @return PHPExcel_Style_Color
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*/
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public function setRGB($pValue = '000000')
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{
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if ($pValue == '') {
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$pValue = '000000';
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}
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if ($this->isSupervisor) {
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$styleArray = $this->getStyleArray(array('argb' => 'FF' . $pValue));
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$this->getActiveSheet()->getStyle($this->getSelectedCells())->applyFromArray($styleArray);
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} else {
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$this->argb = 'FF' . $pValue;
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}
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return $this;
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}
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/**
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* Get a specified colour component of an RGB value
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*
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* @private
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* @param string $RGB The colour as an RGB value (e.g. FF00CCCC or CCDDEE
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* @param int $offset Position within the RGB value to extract
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* @param boolean $hex Flag indicating whether the component should be returned as a hex or a
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* decimal value
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* @return string The extracted colour component
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*/
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private static function getColourComponent($RGB, $offset, $hex = true)
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{
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$colour = substr($RGB, $offset, 2);
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if (!$hex) {
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$colour = hexdec($colour);
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}
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return $colour;
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}
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/**
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* Get the red colour component of an RGB value
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*
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* @param string $RGB The colour as an RGB value (e.g. FF00CCCC or CCDDEE
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* @param boolean $hex Flag indicating whether the component should be returned as a hex or a
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* decimal value
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* @return string The red colour component
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*/
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public static function getRed($RGB, $hex = true)
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{
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return self::getColourComponent($RGB, strlen($RGB) - 6, $hex);
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}
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/**
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* Get the green colour component of an RGB value
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*
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* @param string $RGB The colour as an RGB value (e.g. FF00CCCC or CCDDEE
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* @param boolean $hex Flag indicating whether the component should be returned as a hex or a
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* decimal value
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* @return string The green colour component
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*/
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public static function getGreen($RGB, $hex = true)
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{
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return self::getColourComponent($RGB, strlen($RGB) - 4, $hex);
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}
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/**
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* Get the blue colour component of an RGB value
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*
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* @param string $RGB The colour as an RGB value (e.g. FF00CCCC or CCDDEE
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* @param boolean $hex Flag indicating whether the component should be returned as a hex or a
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* decimal value
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* @return string The blue colour component
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*/
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public static function getBlue($RGB, $hex = true)
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{
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return self::getColourComponent($RGB, strlen($RGB) - 2, $hex);
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}
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/**
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* Adjust the brightness of a color
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*
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* @param string $hex The colour as an RGBA or RGB value (e.g. FF00CCCC or CCDDEE)
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* @param float $adjustPercentage The percentage by which to adjust the colour as a float from -1 to 1
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* @return string The adjusted colour as an RGBA or RGB value (e.g. FF00CCCC or CCDDEE)
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*/
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public static function changeBrightness($hex, $adjustPercentage)
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{
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$rgba = (strlen($hex) == 8);
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$red = self::getRed($hex, false);
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$green = self::getGreen($hex, false);
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$blue = self::getBlue($hex, false);
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if ($adjustPercentage > 0) {
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$red += (255 - $red) * $adjustPercentage;
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$green += (255 - $green) * $adjustPercentage;
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$blue += (255 - $blue) * $adjustPercentage;
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} else {
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$red += $red * $adjustPercentage;
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$green += $green * $adjustPercentage;
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$blue += $blue * $adjustPercentage;
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}
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if ($red < 0) {
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$red = 0;
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} elseif ($red > 255) {
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$red = 255;
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}
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if ($green < 0) {
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$green = 0;
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} elseif ($green > 255) {
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$green = 255;
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}
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if ($blue < 0) {
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$blue = 0;
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} elseif ($blue > 255) {
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$blue = 255;
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}
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$rgb = strtoupper(
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str_pad(dechex($red), 2, '0', 0) .
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str_pad(dechex($green), 2, '0', 0) .
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str_pad(dechex($blue), 2, '0', 0)
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);
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return (($rgba) ? 'FF' : '') . $rgb;
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}
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/**
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* Get indexed color
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*
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* @param int $pIndex Index entry point into the colour array
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* @param boolean $background Flag to indicate whether default background or foreground colour
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* should be returned if the indexed colour doesn't exist
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* @return PHPExcel_Style_Color
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*/
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public static function indexedColor($pIndex, $background = false)
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{
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// Clean parameter
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$pIndex = intval($pIndex);
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// Indexed colors
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if (is_null(self::$indexedColors)) {
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self::$indexedColors = array(
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1 => 'FF000000', // System Colour #1 - Black
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2 => 'FFFFFFFF', // System Colour #2 - White
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3 => 'FFFF0000', // System Colour #3 - Red
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4 => 'FF00FF00', // System Colour #4 - Green
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5 => 'FF0000FF', // System Colour #5 - Blue
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6 => 'FFFFFF00', // System Colour #6 - Yellow
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7 => 'FFFF00FF', // System Colour #7- Magenta
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8 => 'FF00FFFF', // System Colour #8- Cyan
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9 => 'FF800000', // Standard Colour #9
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10 => 'FF008000', // Standard Colour #10
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11 => 'FF000080', // Standard Colour #11
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12 => 'FF808000', // Standard Colour #12
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13 => 'FF800080', // Standard Colour #13
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14 => 'FF008080', // Standard Colour #14
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15 => 'FFC0C0C0', // Standard Colour #15
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16 => 'FF808080', // Standard Colour #16
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17 => 'FF9999FF', // Chart Fill Colour #17
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18 => 'FF993366', // Chart Fill Colour #18
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19 => 'FFFFFFCC', // Chart Fill Colour #19
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20 => 'FFCCFFFF', // Chart Fill Colour #20
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21 => 'FF660066', // Chart Fill Colour #21
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22 => 'FFFF8080', // Chart Fill Colour #22
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23 => 'FF0066CC', // Chart Fill Colour #23
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24 => 'FFCCCCFF', // Chart Fill Colour #24
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25 => 'FF000080', // Chart Line Colour #25
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26 => 'FFFF00FF', // Chart Line Colour #26
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27 => 'FFFFFF00', // Chart Line Colour #27
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28 => 'FF00FFFF', // Chart Line Colour #28
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29 => 'FF800080', // Chart Line Colour #29
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30 => 'FF800000', // Chart Line Colour #30
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31 => 'FF008080', // Chart Line Colour #31
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32 => 'FF0000FF', // Chart Line Colour #32
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33 => 'FF00CCFF', // Standard Colour #33
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34 => 'FFCCFFFF', // Standard Colour #34
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35 => 'FFCCFFCC', // Standard Colour #35
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36 => 'FFFFFF99', // Standard Colour #36
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37 => 'FF99CCFF', // Standard Colour #37
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38 => 'FFFF99CC', // Standard Colour #38
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39 => 'FFCC99FF', // Standard Colour #39
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40 => 'FFFFCC99', // Standard Colour #40
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41 => 'FF3366FF', // Standard Colour #41
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42 => 'FF33CCCC', // Standard Colour #42
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43 => 'FF99CC00', // Standard Colour #43
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44 => 'FFFFCC00', // Standard Colour #44
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45 => 'FFFF9900', // Standard Colour #45
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46 => 'FFFF6600', // Standard Colour #46
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47 => 'FF666699', // Standard Colour #47
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48 => 'FF969696', // Standard Colour #48
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49 => 'FF003366', // Standard Colour #49
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50 => 'FF339966', // Standard Colour #50
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51 => 'FF003300', // Standard Colour #51
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52 => 'FF333300', // Standard Colour #52
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53 => 'FF993300', // Standard Colour #53
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54 => 'FF993366', // Standard Colour #54
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55 => 'FF333399', // Standard Colour #55
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56 => 'FF333333' // Standard Colour #56
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);
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}
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if (array_key_exists($pIndex, self::$indexedColors)) {
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return new PHPExcel_Style_Color(self::$indexedColors[$pIndex]);
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}
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if ($background) {
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return new PHPExcel_Style_Color(self::COLOR_WHITE);
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}
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return new PHPExcel_Style_Color(self::COLOR_BLACK);
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}
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/**
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* Get hash code
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*
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* @return string Hash code
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*/
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public function getHashCode()
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{
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if ($this->isSupervisor) {
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return $this->getSharedComponent()->getHashCode();
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}
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return md5(
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$this->argb .
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__CLASS__
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);
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}
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}
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