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 <?php
 /**
  * Zend Framework
  *
  * LICENSE
  *
  * This source file is subject to the new BSD license that is bundled
  * with this package in the file LICENSE.txt.
  * It is also available through the world-wide-web at this URL:
  * http://framework.zend.com/license/new-bsd
  * If you did not receive a copy of the license and are unable to
  * obtain it through the world-wide-web, please send an email
  * to license@zend.com so we can send you a copy immediately.
  *
  * @category   Zend
  * @package    Zend_Pdf
  * @copyright  Copyright (c) 2005-2015 Zend Technologies USA Inc. (http://www.zend.com)
  * @license    http://framework.zend.com/license/new-bsd     New BSD License
  * @version    $Id$
  */
 
 
 /**
  * Style object.
  * Style object doesn't directly correspond to any PDF file object.
  * It's utility class, used as a container for style information.
  * It's used by Zend_Pdf_Page class in draw operations.
  *
  * @package    Zend_Pdf
  * @copyright  Copyright (c) 2005-2015 Zend Technologies USA Inc. (http://www.zend.com)
  * @license    http://framework.zend.com/license/new-bsd     New BSD License
  */
 class Zend_Pdf_Style
 {
     /**
      * Fill color.
      * Used to fill geometric shapes or text.
      *
      * @var Zend_Pdf_Color|null
      */
     private $_fillColor = null;
 
     /**
      * Line color.
      * Current color, used for lines and font outlines.
      *
      * @var Zend_Pdf_Color|null
      */
 
     private $_color;
 
     /**
      * Line width.
      *
      * @var Zend_Pdf_Element_Numeric
      */
     private $_lineWidth;
 
     /**
      * Array which describes line dashing pattern.
      * It's array of numeric:
      * array($on_length, $off_length, $on_length, $off_length, ...)
      *
      * @var array
      */
     private $_lineDashingPattern;
 
     /**
      * Line dashing phase
      *
      * @var float
      */
     private $_lineDashingPhase;
 
     /**
      * Current font
      *
      * @var Zend_Pdf_Resource_Font
      */
     private $_font;
 
     /**
      * Font size
      *
      * @var float
      */
     private $_fontSize;
 
 
 
     /**
      * Create style.
      *
      * @param Zend_Pdf_Style $anotherStyle
      */
     public function __construct($anotherStyle = null)
     {
         if ($anotherStyle !== null) {
             $this->_fillColor          = $anotherStyle->_fillColor;
             $this->_color              = $anotherStyle->_color;
             $this->_lineWidth          = $anotherStyle->_lineWidth;
             $this->_lineDashingPattern = $anotherStyle->_lineDashingPattern;
             $this->_lineDashingPhase   = $anotherStyle->_lineDashingPhase;
             $this->_font               = $anotherStyle->_font;
             $this->_fontSize           = $anotherStyle->_fontSize;
         }
     }
 
 
     /**
      * Set fill color.
      *
      * @param Zend_Pdf_Color $color
      */
     public function setFillColor(Zend_Pdf_Color $color)
     {
         $this->_fillColor = $color;
     }
 
     /**
      * Set line color.
      *
      * @param Zend_Pdf_Color $color
      */
     public function setLineColor(Zend_Pdf_Color $color)
     {
         $this->_color = $color;
     }
 
     /**
      * Set line width.
      *
      * @param float $width
      */
     public function setLineWidth($width)
     {
         // require_once 'Zend/Pdf/Element/Numeric.php';
         $this->_lineWidth = new Zend_Pdf_Element_Numeric($width);
     }
 
 
     /**
      * Set line dashing pattern
      *
      * @param array $pattern
      * @param float $phase
      */
     public function setLineDashingPattern($pattern, $phase = 0)
     {
         // require_once 'Zend/Pdf/Page.php';
         if ($pattern === Zend_Pdf_Page::LINE_DASHING_SOLID) {
             $pattern = array();
             $phase   = 0;
         }
 
         // require_once 'Zend/Pdf/Element/Numeric.php';
         $this->_lineDashingPattern = $pattern;
         $this->_lineDashingPhase   = new Zend_Pdf_Element_Numeric($phase);
     }
 
 
     /**
      * Set current font.
      *
      * @param Zend_Pdf_Resource_Font $font
      * @param float $fontSize
      */
     public function setFont(Zend_Pdf_Resource_Font $font, $fontSize)
     {
         $this->_font = $font;
         $this->_fontSize = $fontSize;
     }
 
     /**
      * Modify current font size
      *
      * @param float $fontSize
      */
     public function setFontSize($fontSize)
     {
         $this->_fontSize = $fontSize;
     }
 
     /**
      * Get fill color.
      *
      * @return Zend_Pdf_Color|null
      */
     public function getFillColor()
     {
         return $this->_fillColor;
     }
 
     /**
      * Get line color.
      *
      * @return Zend_Pdf_Color|null
      */
     public function getLineColor()
     {
         return $this->_color;
     }
 
     /**
      * Get line width.
      *
      * @return float
      */
     public function getLineWidth()
     {
         return $this->_lineWidth->value;
     }
 
     /**
      * Get line dashing pattern
      *
      * @return array
      */
     public function getLineDashingPattern()
     {
         return $this->_lineDashingPattern;
     }
 
 
     /**
      * Get current font.
      *
      * @return Zend_Pdf_Resource_Font $font
      */
     public function getFont()
     {
         return $this->_font;
     }
 
     /**
      * Get current font size
      *
      * @return float $fontSize
      */
     public function getFontSize()
     {
         return $this->_fontSize;
     }
 
     /**
      * Get line dashing phase
      *
      * @return float
      */
     public function getLineDashingPhase()
     {
         return $this->_lineDashingPhase->value;
     }
 
 
     /**
      * Dump style to a string, which can be directly inserted into content stream
      *
      * @return string
      */
     public function instructions()
     {
         $instructions = '';
 
         if ($this->_fillColor !== null) {
             $instructions .= $this->_fillColor->instructions(false);
         }
 
         if ($this->_color !== null) {
             $instructions .= $this->_color->instructions(true);
         }
 
         if ($this->_lineWidth !== null) {
             $instructions .= $this->_lineWidth->toString() . " w\n";
         }
 
         if ($this->_lineDashingPattern !== null) {
             // require_once 'Zend/Pdf/Element/Array.php';
             $dashPattern = new Zend_Pdf_Element_Array();
 
             // require_once 'Zend/Pdf/Element/Numeric.php';
             foreach ($this->_lineDashingPattern as $dashItem) {
                 $dashElement = new Zend_Pdf_Element_Numeric($dashItem);
                 $dashPattern->items[] = $dashElement;
             }
 
             $instructions .= $dashPattern->toString() . ' '
                            . $this->_lineDashingPhase->toString() . " d\n";
         }
 
         return $instructions;
     }
 
 }