<?php
/**
 * Zend Framework (http://framework.zend.com/)
 *
 * @link      http://github.com/zendframework/zf2 for the canonical source repository
 * @copyright Copyright (c) 2005-2013 Zend Technologies USA Inc. (http://www.zend.com)
 * @license   http://framework.zend.com/license/new-bsd New BSD License
 */

namespace Zend\Barcode\Object;

/**
 * Class for generate UpcA barcode
 */
class Upca extends Ean13
{

    
/**
     * Default options for Postnet barcode
     * @return void
     */
    
protected function getDefaultOptions()
    {
        
$this->barcodeLength = 12;
        
$this->mandatoryChecksum = true;
        
$this->mandatoryQuietZones = true;
    }

    
/**
     * Width of the barcode (in pixels)
     * @return integer
     */
    
protected function calculateBarcodeWidth()
    {
        
$quietZone       = $this->getQuietZone();
        
$startCharacter  = (3 * $this->barThinWidth) * $this->factor;
        
$middleCharacter = (5 * $this->barThinWidth) * $this->factor;
        
$stopCharacter   = (3 * $this->barThinWidth) * $this->factor;
        
$encodedData     = (7 * $this->barThinWidth) * $this->factor * 12;
        return 
$quietZone + $startCharacter + $middleCharacter + $encodedData + $stopCharacter + $quietZone;
    }

        
/**
     * Prepare array to draw barcode
     * @return array
     */
    
protected function prepareBarcode()
    {
        
$barcodeTable = array();
        
$height = ($this->drawText) ? 1.1 : 1;

        
// Start character (101)
        
$barcodeTable[] = array(1 , $this->barThinWidth , 0 , $height);
        
$barcodeTable[] = array(0 , $this->barThinWidth , 0 , $height);
        
$barcodeTable[] = array(1 , $this->barThinWidth , 0 , $height);

        
$textTable = str_split($this->getText());

        
// First character
        
$bars = str_split($this->codingMap['A'][$textTable[0]]);
        foreach (
$bars as $b) {
            
$barcodeTable[] = array($b , $this->barThinWidth , 0 , $height);
        }

        
// First part
        
for ($i = 1; $i < 6; $i++) {
            
$bars = str_split($this->codingMap['A'][$textTable[$i]]);
            foreach (
$bars as $b) {
                
$barcodeTable[] = array($b , $this->barThinWidth , 0 , 1);
            }
        }

        
// Middle character (01010)
        
$barcodeTable[] = array(0 , $this->barThinWidth , 0 , $height);
        
$barcodeTable[] = array(1 , $this->barThinWidth , 0 , $height);
        
$barcodeTable[] = array(0 , $this->barThinWidth , 0 , $height);
        
$barcodeTable[] = array(1 , $this->barThinWidth , 0 , $height);
        
$barcodeTable[] = array(0 , $this->barThinWidth , 0 , $height);

        
// Second part
        
for ($i = 6; $i < 11; $i++) {
            
$bars = str_split($this->codingMap['C'][$textTable[$i]]);
            foreach (
$bars as $b) {
                
$barcodeTable[] = array($b , $this->barThinWidth , 0 , 1);
            }
        }

        
// Last character
        
$bars = str_split($this->codingMap['C'][$textTable[11]]);
        foreach (
$bars as $b) {
            
$barcodeTable[] = array($b , $this->barThinWidth , 0 , $height);
        }

        
// Stop character (101)
        
$barcodeTable[] = array(1 , $this->barThinWidth , 0 , $height);
        
$barcodeTable[] = array(0 , $this->barThinWidth , 0 , $height);
        
$barcodeTable[] = array(1 , $this->barThinWidth , 0 , $height);
        return 
$barcodeTable;
    }

    
/**
     * Partial function to draw text
     * @return void
     */
    
protected function drawText()
    {
        if (
$this->drawText) {
            
$text = $this->getTextToDisplay();
            
$characterWidth = (7 * $this->barThinWidth) * $this->factor;
            
$leftPosition = $this->getQuietZone() - $characterWidth;
            for (
$i = 0; $i < $this->barcodeLength; $i ++) {
                
$fontSize = $this->fontSize;
                if (
$i == 0 || $i == 11) {
                    
$fontSize *= 0.8;
                }
                
$this->addText(
                    
$text{$i},
                    
$fontSize * $this->factor,
                    
$this->rotate(
                        
$leftPosition,
                        (int) 
$this->withBorder * 2
                            
+ $this->factor * ($this->barHeight + $fontSize) + 1
                    
),
                    
$this->font,
                    
$this->foreColor,
                    
'left',
                    - 
$this->orientation
                
);
                switch (
$i) {
                    case 
0:
                        
$factor = 10;
                        break;
                    case 
5:
                        
$factor = 4;
                        break;
                    case 
10:
                        
$factor = 11;
                        break;
                    default:
                        
$factor = 0;
                }
                
$leftPosition = $leftPosition + $characterWidth + ($factor * $this->barThinWidth * $this->factor);
            }
        }
    }
}