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<?php
/**
* PHPExcel
*
* Copyright (c) 2006 - 2014 PHPExcel
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*
* @category PHPExcel
* @package PHPExcel_Style
* @copyright Copyright (c) 2006 - 2014 PHPExcel (http://www.codeplex.com/PHPExcel)
* @license http://www.gnu.org/licenses/old-licenses/lgpl-2.1.txt LGPL
* @version 1.8.0, 2014-03-02
*/
/**
* PHPExcel_Style_Color
*
* @category PHPExcel
* @package PHPExcel_Style
* @copyright Copyright (c) 2006 - 2014 PHPExcel (http://www.codeplex.com/PHPExcel)
*/
class PHPExcel_Style_Color extends PHPExcel_Style_Supervisor implements PHPExcel_IComparable {
/* Colors */
const COLOR_BLACK = 'FF000000';
const COLOR_WHITE = 'FFFFFFFF';
const COLOR_RED = 'FFFF0000';
const COLOR_DARKRED = 'FF800000';
const COLOR_BLUE = 'FF0000FF';
const COLOR_DARKBLUE = 'FF000080';
const COLOR_GREEN = 'FF00FF00';
const COLOR_DARKGREEN = 'FF008000';
const COLOR_YELLOW = 'FFFFFF00';
const COLOR_DARKYELLOW = 'FF808000';
/**
* Indexed colors array
*
* @var array
*/
protected static $_indexedColors;
/**
* ARGB - Alpha RGB
*
* @var string
*/
protected $_argb = NULL;
/**
* Parent property name
*
* @var string
*/
protected $_parentPropertyName;
/**
* Create a new PHPExcel_Style_Color
*
* @param string $pARGB ARGB value for the colour
* @param boolean $isSupervisor Flag indicating if this is a supervisor or not
* Leave this value at default unless you understand exactly what
* its ramifications are
* @param boolean $isConditional Flag indicating if this is a conditional style or not
* Leave this value at default unless you understand exactly what
* its ramifications are
*/
public function __construct($pARGB = PHPExcel_Style_Color::COLOR_BLACK, $isSupervisor = FALSE, $isConditional = FALSE) {
// Supervisor?
parent::__construct($isSupervisor);
// Initialise values
if (!$isConditional) {
$this->_argb = $pARGB;
}
}
/**
* Bind parent. Only used for supervisor
*
* @param mixed $parent
* @param string $parentPropertyName
* @return PHPExcel_Style_Color
*/
public function bindParent($parent, $parentPropertyName = NULL) {
$this->_parent = $parent;
$this->_parentPropertyName = $parentPropertyName;
return $this;
}
/**
* Get the shared style component for the currently active cell in currently active sheet.
* Only used for style supervisor
*
* @return PHPExcel_Style_Color
*/
public function getSharedComponent() {
switch ($this->_parentPropertyName) {
case '_endColor':
return $this->_parent->getSharedComponent()->getEndColor();
break;
case '_color':
return $this->_parent->getSharedComponent()->getColor();
break;
case '_startColor':
return $this->_parent->getSharedComponent()->getStartColor();
break;
}
}
/**
* Build style array from subcomponents
*
* @param array $array
* @return array
*/
public function getStyleArray($array) {
switch ($this->_parentPropertyName) {
case '_endColor':
$key = 'endcolor';
break;
case '_color':
$key = 'color';
break;
case '_startColor':
$key = 'startcolor';
break;
}
return $this->_parent->getStyleArray(array($key => $array));
}
/**
* Apply styles from array
*
* <code>
* $objPHPExcel->getActiveSheet()->getStyle('B2')->getFont()->getColor()->applyFromArray( array('rgb' => '808080') );
* </code>
*
* @param array $pStyles Array containing style information
* @throws PHPExcel_Exception
* @return PHPExcel_Style_Color
*/
public function applyFromArray($pStyles = NULL) {
if (is_array($pStyles)) {
if ($this->_isSupervisor) {
$this->getActiveSheet()->getStyle($this->getSelectedCells())->applyFromArray($this->getStyleArray($pStyles));
} else {
if (array_key_exists('rgb', $pStyles)) {
$this->setRGB($pStyles['rgb']);
}
if (array_key_exists('argb', $pStyles)) {
$this->setARGB($pStyles['argb']);
}
}
} else {
throw new PHPExcel_Exception("Invalid style array passed.");
}
return $this;
}
/**
* Get ARGB
*
* @return string
*/
public function getARGB() {
if ($this->_isSupervisor) {
return $this->getSharedComponent()->getARGB();
}
return $this->_argb;
}
/**
* Set ARGB
*
* @param string $pValue
* @return PHPExcel_Style_Color
*/
public function setARGB($pValue = PHPExcel_Style_Color::COLOR_BLACK) {
if ($pValue == '') {
$pValue = PHPExcel_Style_Color::COLOR_BLACK;
}
if ($this->_isSupervisor) {
$styleArray = $this->getStyleArray(array('argb' => $pValue));
$this->getActiveSheet()->getStyle($this->getSelectedCells())->applyFromArray($styleArray);
} else {
$this->_argb = $pValue;
}
return $this;
}
/**
* Get RGB
*
* @return string
*/
public function getRGB() {
if ($this->_isSupervisor) {
return $this->getSharedComponent()->getRGB();
}
return substr($this->_argb, 2);
}
/**
* Set RGB
*
* @param string $pValue RGB value
* @return PHPExcel_Style_Color
*/
public function setRGB($pValue = '000000') {
if ($pValue == '') {
$pValue = '000000';
}
if ($this->_isSupervisor) {
$styleArray = $this->getStyleArray(array('argb' => 'FF' . $pValue));
$this->getActiveSheet()->getStyle($this->getSelectedCells())->applyFromArray($styleArray);
} else {
$this->_argb = 'FF' . $pValue;
}
return $this;
}
/**
* Get a specified colour component of an RGB value
*
* @private
* @param string $RGB The colour as an RGB value (e.g. FF00CCCC or CCDDEE
* @param int $offset Position within the RGB value to extract
* @param boolean $hex Flag indicating whether the component should be returned as a hex or a
* decimal value
* @return string The extracted colour component
*/
private static function _getColourComponent($RGB, $offset, $hex = TRUE) {
$colour = substr($RGB, $offset, 2);
if (!$hex)
$colour = hexdec($colour);
return $colour;
}
/**
* Get the red colour component of an RGB value
*
* @param string $RGB The colour as an RGB value (e.g. FF00CCCC or CCDDEE
* @param boolean $hex Flag indicating whether the component should be returned as a hex or a
* decimal value
* @return string The red colour component
*/
public static function getRed($RGB, $hex = TRUE) {
return self::_getColourComponent($RGB, strlen($RGB) - 6, $hex);
}
/**
* Get the green colour component of an RGB value
*
* @param string $RGB The colour as an RGB value (e.g. FF00CCCC or CCDDEE
* @param boolean $hex Flag indicating whether the component should be returned as a hex or a
* decimal value
* @return string The green colour component
*/
public static function getGreen($RGB, $hex = TRUE) {
return self::_getColourComponent($RGB, strlen($RGB) - 4, $hex);
}
/**
* Get the blue colour component of an RGB value
*
* @param string $RGB The colour as an RGB value (e.g. FF00CCCC or CCDDEE
* @param boolean $hex Flag indicating whether the component should be returned as a hex or a
* decimal value
* @return string The blue colour component
*/
public static function getBlue($RGB, $hex = TRUE) {
return self::_getColourComponent($RGB, strlen($RGB) - 2, $hex);
}
/**
* Adjust the brightness of a color
*
* @param string $hex The colour as an RGBA or RGB value (e.g. FF00CCCC or CCDDEE)
* @param float $adjustPercentage The percentage by which to adjust the colour as a float from -1 to 1
* @return string The adjusted colour as an RGBA or RGB value (e.g. FF00CCCC or CCDDEE)
*/
public static function changeBrightness($hex, $adjustPercentage) {
$rgba = (strlen($hex) == 8);
$red = self::getRed($hex, FALSE);
$green = self::getGreen($hex, FALSE);
$blue = self::getBlue($hex, FALSE);
if ($adjustPercentage > 0) {
$red += (255 - $red) * $adjustPercentage;
$green += (255 - $green) * $adjustPercentage;
$blue += (255 - $blue) * $adjustPercentage;
} else {
$red += $red * $adjustPercentage;
$green += $green * $adjustPercentage;
$blue += $blue * $adjustPercentage;
}
if ($red < 0)
$red = 0;
elseif ($red > 255)
$red = 255;
if ($green < 0)
$green = 0;
elseif ($green > 255)
$green = 255;
if ($blue < 0)
$blue = 0;
elseif ($blue > 255)
$blue = 255;
$rgb = strtoupper(str_pad(dechex($red), 2, '0', 0) .
str_pad(dechex($green), 2, '0', 0) .
str_pad(dechex($blue), 2, '0', 0)
);
return (($rgba) ? 'FF' : '') . $rgb;
}
/**
* Get indexed color
*
* @param int $pIndex Index entry point into the colour array
* @param boolean $background Flag to indicate whether default background or foreground colour
* should be returned if the indexed colour doesn't exist
* @return PHPExcel_Style_Color
*/
public static function indexedColor($pIndex, $background = FALSE) {
// Clean parameter
$pIndex = intval($pIndex);
// Indexed colors
if (is_null(self::$_indexedColors)) {
self::$_indexedColors = array(
1 => 'FF000000', // System Colour #1 - Black
2 => 'FFFFFFFF', // System Colour #2 - White
3 => 'FFFF0000', // System Colour #3 - Red
4 => 'FF00FF00', // System Colour #4 - Green
5 => 'FF0000FF', // System Colour #5 - Blue
6 => 'FFFFFF00', // System Colour #6 - Yellow
7 => 'FFFF00FF', // System Colour #7- Magenta
8 => 'FF00FFFF', // System Colour #8- Cyan
9 => 'FF800000', // Standard Colour #9
10 => 'FF008000', // Standard Colour #10
11 => 'FF000080', // Standard Colour #11
12 => 'FF808000', // Standard Colour #12
13 => 'FF800080', // Standard Colour #13
14 => 'FF008080', // Standard Colour #14
15 => 'FFC0C0C0', // Standard Colour #15
16 => 'FF808080', // Standard Colour #16
17 => 'FF9999FF', // Chart Fill Colour #17
18 => 'FF993366', // Chart Fill Colour #18
19 => 'FFFFFFCC', // Chart Fill Colour #19
20 => 'FFCCFFFF', // Chart Fill Colour #20
21 => 'FF660066', // Chart Fill Colour #21
22 => 'FFFF8080', // Chart Fill Colour #22
23 => 'FF0066CC', // Chart Fill Colour #23
24 => 'FFCCCCFF', // Chart Fill Colour #24
25 => 'FF000080', // Chart Line Colour #25
26 => 'FFFF00FF', // Chart Line Colour #26
27 => 'FFFFFF00', // Chart Line Colour #27
28 => 'FF00FFFF', // Chart Line Colour #28
29 => 'FF800080', // Chart Line Colour #29
30 => 'FF800000', // Chart Line Colour #30
31 => 'FF008080', // Chart Line Colour #31
32 => 'FF0000FF', // Chart Line Colour #32
33 => 'FF00CCFF', // Standard Colour #33
34 => 'FFCCFFFF', // Standard Colour #34
35 => 'FFCCFFCC', // Standard Colour #35
36 => 'FFFFFF99', // Standard Colour #36
37 => 'FF99CCFF', // Standard Colour #37
38 => 'FFFF99CC', // Standard Colour #38
39 => 'FFCC99FF', // Standard Colour #39
40 => 'FFFFCC99', // Standard Colour #40
41 => 'FF3366FF', // Standard Colour #41
42 => 'FF33CCCC', // Standard Colour #42
43 => 'FF99CC00', // Standard Colour #43
44 => 'FFFFCC00', // Standard Colour #44
45 => 'FFFF9900', // Standard Colour #45
46 => 'FFFF6600', // Standard Colour #46
47 => 'FF666699', // Standard Colour #47
48 => 'FF969696', // Standard Colour #48
49 => 'FF003366', // Standard Colour #49
50 => 'FF339966', // Standard Colour #50
51 => 'FF003300', // Standard Colour #51
52 => 'FF333300', // Standard Colour #52
53 => 'FF993300', // Standard Colour #53
54 => 'FF993366', // Standard Colour #54
55 => 'FF333399', // Standard Colour #55
56 => 'FF333333' // Standard Colour #56
);
}
if (array_key_exists($pIndex, self::$_indexedColors)) {
return new PHPExcel_Style_Color(self::$_indexedColors[$pIndex]);
}
if ($background) {
return new PHPExcel_Style_Color('FFFFFFFF');
}
return new PHPExcel_Style_Color('FF000000');
}
/**
* Get hash code
*
* @return string Hash code
*/
public function getHashCode() {
if ($this->_isSupervisor) {
return $this->getSharedComponent()->getHashCode();
}
return md5(
$this->_argb
. __CLASS__
);
}
}