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DIR: /srv/http/vyvoj.adent.cz/vyvoj/moodle_esf_vz/lib/tcpdf/barcode
/srv/http/vyvoj.adent.cz/vyvoj/moodle_esf_vz/lib/tcpdf/barcode/
Current File : /srv/http/vyvoj.adent.cz/vyvoj/moodle_esf_vz/lib/tcpdf/barcode/c128aobject.php
<?php
//============================================================+
// File name   : c128aobject.php
// Begin       : 2002-07-31
// Last Update : 2004-12-29
// Author      : Karim Mribti [barcode@mribti.com]
// Version     : 0.0.8a  2001-04-01 (original code)
// License     : GNU LGPL (Lesser General Public License) 2.1
//               http://www.gnu.org/copyleft/lesser.txt
// Source Code : http://www.mribti.com/barcode/
//
// Description : Code 128-A Barcode Render Class for PHP using
//               the GD graphics library.
//               Code 128-A is a continuous, multilevel and
//               include all upper case alphanumeric characters
//               and ASCII control characters.
//
// NOTE:
// This version contains changes by Nicola Asuni:
//  - porting to PHP4
//  - code style and formatting
//  - automatic php documentation in PhpDocumentor Style
//    (www.phpdoc.org)
//  - minor bug fixing
//============================================================+

/**
 * Code 128-A Barcode Render Class for PHP using the GD graphics library.<br>
 * Code 128-A is a continuous, multilevel and include all upper case alphanumeric characters and ASCII control characters.
 * @author Karim Mribti, Nicola Asuni
 * @name BarcodeObject
 * @package com.tecnick.tcpdf
 * @version 0.0.8a  2001-04-01 (original code)
 * @since 2001-03-25
 * @license http://www.gnu.org/copyleft/lesser.html LGPL
 */

/**
 * Code 128-A Barcode Render Class for PHP using the GD graphics library.<br>
 * Code 128-A is a continuous, multilevel and include all upper case alphanumeric characters and ASCII control characters.
 * @author Karim Mribti, Nicola Asuni
 * @name BarcodeObject
 * @package com.tecnick.tcpdf
 * @version 0.0.8a  2001-04-01 (original code)
 * @since 2001-03-25
 * @license http://www.gnu.org/copyleft/lesser.html LGPL
 */
class C128AObject extends BarcodeObject {
    
    /**
     * Class Constructor.
     * @param int $Width Image width in pixels.
     * @param int $Height Image height in pixels. 
     * @param int $Style Barcode style.
     * @param int $Value value to print on barcode.
     */
    function C128AObject($Width, $Height, $Style, $Value) {
        $this->BarcodeObject($Width, $Height, $Style);
        $this->mValue   = $Value;
        $this->mChars   = " !\"#$%&'()*+�-./0123456789:;<=>?@ABCDEFGHIJKLMNOPQRSTUVWXYZ[\\]^_";
        $this->mCharSet = array (
        "212222",   /*   00 */
        "222122",   /*   01 */
        "222221",   /*   02 */
        "121223",   /*   03 */
        "121322",   /*   04 */
        "131222",   /*   05 */
        "122213",   /*   06 */
        "122312",   /*   07 */
        "132212",   /*   08 */
        "221213",   /*   09 */
        "221312",   /*   10 */
        "231212",   /*   11 */
        "112232",   /*   12 */
        "122132",   /*   13 */
        "122231",   /*   14 */
        "113222",   /*   15 */
        "123122",   /*   16 */
        "123221",   /*   17 */
        "223211",   /*   18 */
        "221132",   /*   19 */
        "221231",   /*   20 */
        "213212",   /*   21 */
        "223112",   /*   22 */
        "312131",   /*   23 */
        "311222",   /*   24 */
        "321122",   /*   25 */
        "321221",   /*   26 */
        "312212",   /*   27 */
        "322112",   /*   28 */
        "322211",   /*   29 */
        "212123",   /*   30 */
        "212321",   /*   31 */
        "232121",   /*   32 */
        "111323",   /*   33 */
        "131123",   /*   34 */
        "131321",   /*   35 */
        "112313",   /*   36 */
        "132113",   /*   37 */
        "132311",   /*   38 */
        "211313",   /*   39 */
        "231113",   /*   40 */
        "231311",   /*   41 */
        "112133",   /*   42 */
        "112331",   /*   43 */
        "132131",   /*   44 */
        "113123",   /*   45 */
        "113321",   /*   46 */
        "133121",   /*   47 */
        "313121",   /*   48 */
        "211331",   /*   49 */
        "231131",   /*   50 */
        "213113",   /*   51 */
        "213311",   /*   52 */
        "213131",   /*   53 */
        "311123",   /*   54 */
        "311321",   /*   55 */
        "331121",   /*   56 */
        "312113",   /*   57 */
        "312311",   /*   58 */
        "332111",   /*   59 */
        "314111",   /*   60 */
        "221411",   /*   61 */
        "431111",   /*   62 */
        "111224",   /*   63 */
        "111422",   /*   64 */
        "121124",   /*   65 */
        "121421",   /*   66 */
        "141122",   /*   67 */
        "141221",   /*   68 */
        "112214",   /*   69 */
        "112412",   /*   70 */
        "122114",   /*   71 */
        "122411",   /*   72 */
        "142112",   /*   73 */
        "142211",   /*   74 */
        "241211",   /*   75 */
        "221114",   /*   76 */
        "413111",   /*   77 */
        "241112",   /*   78 */
        "134111",   /*   79 */
        "111242",   /*   80 */
        "121142",   /*   81 */
        "121241",   /*   82 */
        "114212",   /*   83 */
        "124112",   /*   84 */
        "124211",   /*   85 */
        "411212",   /*   86 */
        "421112",   /*   87 */
        "421211",   /*   88 */
        "212141",   /*   89 */
        "214121",   /*   90 */
        "412121",   /*   91 */
        "111143",   /*   92 */
        "111341",   /*   93 */
        "131141",   /*   94 */
        "114113",   /*   95 */
        "114311",   /*   96 */
        "411113",   /*   97 */
        "411311",   /*   98 */
        "113141",   /*   99 */
        "114131",   /*  100 */
        "311141",   /*  101 */
        "411131"    /*  102 */
        );
    }

    /**
     * Returns the character index.
     * @param char $char character.
     * @return int character index or -1 in case of error.
     * @access private
     */
    function GetCharIndex($char) {
        for ($i=0;$i<64;$i++) {
            if ($this->mChars[$i] == $char) {
                return $i;
            }
        }
        return -1;
    }
    
    /**
     * Returns the bar size.
     * @param int $xres Horizontal resolution.
     * @param char $char Character.
     * @return int barcode size.
     * @access private
     */
    function GetBarSize($xres, $char) {
        switch ($char) {
            case '1': {
                $cVal = BCD_C128_BAR_1;
                break;
            }
            case '2': {
                $cVal = BCD_C128_BAR_2;
                break;
            }
            case '3': {
                $cVal = BCD_C128_BAR_3;
                break;
            }
            case '4': {
                $cVal = BCD_C128_BAR_4;
                break;
            }
            default: {
                $cVal = 0;
            }
        }
        return  $cVal * $xres;
    }
    
    /**
     * Returns barcode size.
     * @param int $xres Horizontal resolution.
     * @return barcode size.
     * @access private
     */
    function GetSize($xres) {
        $len = strlen($this->mValue);

        if ($len == 0)  {
            $this->mError = "Null value";
            return false;
        }
        $ret = 0;
        for ($i=0;$i<$len;$i++) {
            if (($id = $this->GetCharIndex($this->mValue[$i])) == -1) {
                $this->mError = "C128A not include the char '".$this->mValue[$i]."'";
                return false;
            } else {
                $cset = $this->mCharSet[$id];
                $ret += $this->GetBarSize($xres, $cset[0]);
                $ret += $this->GetBarSize($xres, $cset[1]);
                $ret += $this->GetBarSize($xres, $cset[2]);
                $ret += $this->GetBarSize($xres, $cset[3]);
                $ret += $this->GetBarSize($xres, $cset[4]);
                $ret += $this->GetBarSize($xres, $cset[5]);
            }
        }

        /* length of Check character */
        $cset = $this->GetCheckCharValue();
        $CheckSize = 0;
        for ($i=0;$i<6;$i++) {
            $CheckSize += $this->GetBarSize($cset[$i], $xres);
        }
        $StartSize = 2*BCD_C128_BAR_2*$xres + 3*BCD_C128_BAR_1*$xres + BCD_C128_BAR_4*$xres;
        $StopSize  = 2*BCD_C128_BAR_2*$xres + 3*BCD_C128_BAR_1*$xres + 2*BCD_C128_BAR_3*$xres;
        return $StartSize + $ret + $CheckSize + $StopSize;
    }
    
    /**
     * Returns the check-char value.
     * @return string.
     * @access private
     */
    function GetCheckCharValue() {
        $len = strlen($this->mValue);
        $sum = 103; // 'A' type;
        for ($i=0;$i<$len;$i++) {
            $sum +=  $this->GetCharIndex($this->mValue[$i]) * ($i+1);
        }
        $check  = $sum % 103;
        return $this->mCharSet[$check];
    }

    /**
     * Draws the start code.
     * @param int $DrawPos Drawing position.
     * @param int $yPos Vertical position.
     * @param int $ySize Vertical size.
     * @param int $xres Horizontal resolution.
     * @return int drawing position.
     * @access private
     */
    function DrawStart($DrawPos, $yPos, $ySize, $xres) {
        /* Start code is '211412' */
        $this->DrawSingleBar($DrawPos, BCD_DEFAULT_MAR_Y1, $this->GetBarSize('2', $xres) , $ySize);
        $DrawPos += $this->GetBarSize('2', $xres);
        $DrawPos += $this->GetBarSize('1', $xres);
        $this->DrawSingleBar($DrawPos, BCD_DEFAULT_MAR_Y1, $this->GetBarSize('1', $xres) , $ySize);
        $DrawPos += $this->GetBarSize('1', $xres);
        $DrawPos += $this->GetBarSize('4', $xres);
        $this->DrawSingleBar($DrawPos, BCD_DEFAULT_MAR_Y1, $this->GetBarSize('1', $xres) , $ySize);
        $DrawPos += $this->GetBarSize('1', $xres);
        $DrawPos += $this->GetBarSize('2', $xres);
        return $DrawPos;
    }
    
    /**
     * Draws the stop code.
     * @param int $DrawPos Drawing position.
     * @param int $yPos Vertical position.
     * @param int $ySize Vertical size.
     * @param int $xres Horizontal resolution.
     * @return int drawing position.
     * @access private
     */
    function DrawStop($DrawPos, $yPos, $ySize, $xres) {
        /* Stop code is '2331112' */
        $this->DrawSingleBar($DrawPos, BCD_DEFAULT_MAR_Y1, $this->GetBarSize('2', $xres) , $ySize);
        $DrawPos += $this->GetBarSize('2', $xres);
        $DrawPos += $this->GetBarSize('3', $xres);
        $this->DrawSingleBar($DrawPos, BCD_DEFAULT_MAR_Y1, $this->GetBarSize('3', $xres) , $ySize);
        $DrawPos += $this->GetBarSize('3', $xres);
        $DrawPos += $this->GetBarSize('1', $xres);
        $this->DrawSingleBar($DrawPos, BCD_DEFAULT_MAR_Y1, $this->GetBarSize('1', $xres) , $ySize);
        $DrawPos += $this->GetBarSize('1', $xres);
        $DrawPos += $this->GetBarSize('1', $xres);
        $this->DrawSingleBar($DrawPos, BCD_DEFAULT_MAR_Y1, $this->GetBarSize('2', $xres) , $ySize);
        $DrawPos += $this->GetBarSize('2', $xres);
        return $DrawPos;
    }
    
    /**
     * Draws the check-char code.
     * @param int $DrawPos Drawing position.
     * @param int $yPos Vertical position.
     * @param int $ySize Vertical size.
     * @param int $xres Horizontal resolution.
     * @return int drawing position.
     * @access private
     */
    function DrawCheckChar($DrawPos, $yPos, $ySize, $xres) {
        $cset = $this->GetCheckCharValue();
        $this->DrawSingleBar($DrawPos, BCD_DEFAULT_MAR_Y1, $this->GetBarSize($cset[0], $xres) , $ySize);
        $DrawPos += $this->GetBarSize($cset[0], $xres);
        $DrawPos += $this->GetBarSize($cset[1], $xres);
        $this->DrawSingleBar($DrawPos, BCD_DEFAULT_MAR_Y1, $this->GetBarSize($cset[2], $xres) , $ySize);
        $DrawPos += $this->GetBarSize($cset[2], $xres);
        $DrawPos += $this->GetBarSize($cset[3], $xres);
        $this->DrawSingleBar($DrawPos, BCD_DEFAULT_MAR_Y1, $this->GetBarSize($cset[4], $xres) , $ySize);
        $DrawPos += $this->GetBarSize($cset[4], $xres);
        $DrawPos += $this->GetBarSize($cset[5], $xres);
        return $DrawPos;
    }

    /**
     * Draws the barcode object.
     * @param int $xres Horizontal resolution.
     * @return bool true in case of success.
     */
    function DrawObject($xres) {
        $len = strlen($this->mValue);
        if (($size = $this->GetSize($xres))==0) {
            return false;
        }

        if ($this->mStyle & BCS_ALIGN_CENTER) $sPos = (integer)(($this->mWidth - $size ) / 2);
        else if ($this->mStyle & BCS_ALIGN_RIGHT) $sPos = $this->mWidth - $size;
        else $sPos = 0;

        /* Total height of bar code -Bars only- */
        if ($this->mStyle & BCS_DRAW_TEXT) $ysize = $this->mHeight - BCD_DEFAULT_MAR_Y1 - BCD_DEFAULT_MAR_Y2 - $this->GetFontHeight($this->mFont);
        else $ysize = $this->mHeight - BCD_DEFAULT_MAR_Y1 - BCD_DEFAULT_MAR_Y2;

        /* Draw text */
        if ($this->mStyle & BCS_DRAW_TEXT) {
            if ($this->mStyle & BCS_STRETCH_TEXT) {
                for ($i=0;$i<$len;$i++) {
                    $this->DrawChar($this->mFont, $sPos+(2*BCD_C128_BAR_2*$xres + 3*BCD_C128_BAR_1*$xres + BCD_C128_BAR_4*$xres)+($size/$len)*$i,
                    $ysize + BCD_DEFAULT_MAR_Y1 + BCD_DEFAULT_TEXT_OFFSET, $this->mValue[$i]);
                }
            } else {/* Center */
            $text_width = $this->GetFontWidth($this->mFont) * strlen($this->mValue);
            $this->DrawText($this->mFont, $sPos+(($size-$text_width)/2)+(2*BCD_C128_BAR_2*$xres + 3*BCD_C128_BAR_1*$xres + BCD_C128_BAR_4*$xres),
            $ysize + BCD_DEFAULT_MAR_Y1 + BCD_DEFAULT_TEXT_OFFSET, $this->mValue);
            }
        }

        $cPos = 0;
        $DrawPos = $this->DrawStart($sPos, BCD_DEFAULT_MAR_Y1 , $ysize, $xres);
        do {
            $c     = $this->GetCharIndex($this->mValue[$cPos]);
            $cset  = $this->mCharSet[$c];
            $this->DrawSingleBar($DrawPos, BCD_DEFAULT_MAR_Y1, $this->GetBarSize($cset[0], $xres) , $ysize);
            $DrawPos += $this->GetBarSize($cset[0], $xres);
            $DrawPos += $this->GetBarSize($cset[1], $xres);
            $this->DrawSingleBar($DrawPos, BCD_DEFAULT_MAR_Y1, $this->GetBarSize($cset[2], $xres) , $ysize);
            $DrawPos += $this->GetBarSize($cset[2], $xres);
            $DrawPos += $this->GetBarSize($cset[3], $xres);
            $this->DrawSingleBar($DrawPos, BCD_DEFAULT_MAR_Y1, $this->GetBarSize($cset[4], $xres) , $ysize);
            $DrawPos += $this->GetBarSize($cset[4], $xres);
            $DrawPos += $this->GetBarSize($cset[5], $xres);
            $cPos++;
        } while ($cPos<$len);
        $DrawPos = $this->DrawCheckChar($DrawPos, BCD_DEFAULT_MAR_Y1 , $ysize, $xres);
        $DrawPos =  $this->DrawStop($DrawPos, BCD_DEFAULT_MAR_Y1 , $ysize, $xres);
        return true;
    }
}

//============================================================+
// END OF FILE
//============================================================+
?>