PHP class displaying code39 Barcode

Source: Internet
Author: User
<?
/*************************************** ********************************
Written by Caocao
Caocao@eastday.com
Http://nethermit.yeah.net

Display code39 barcode class
Usage:
$ Convert = new code39;
$ STR = $ convert-> decode ($ Str );
**************************************** *******************************/

Class pattenclass
{
VaR $ color;
VaR $ width;
Function pattenclass ($ color, $ width)
{
$ This-> color = $ color;
$ This-> width = $ width;
}
}

Class code39
{
VaR $ zoom;
VaR $ height;
VaR $ Patten = array ();
Function code39 ($ zoom, $ height)
{
$ Zoom = intval ($ zoom );
$ This-> zoom = $ zoom <1 | $ zoom> 20? 3: $ zoom;
$ Height = intval ($ height );
$ This-> Height = $ height <1 | $ height> 80? 30: $ height;
$ This-> Patten [] = new pattenclass ("# ffffff", 1 * $ this-> zoom );
$ This-> Patten [] = new pattenclass ("# ffffff", 3 * $ this-> zoom );
$ This-> Patten [] = new pattenclass ("#000000", 1 * $ this-> zoom );
$ This-> Patten [] = new pattenclass ("#000000", 3 * $ this-> zoom );
}
Function makecode ($ code) // code39 Decoding
{
Switch ($ code)
{
Case "0": Return ("202130302 ");
Case "1": Return ("302120203 ");
Case "2": Return ("203120203 ");
Case "3": Return ("303120202 ");
Case "4": Return ("202130203 ");
Case "5": Return ("302130202 ");
Case "6": Return ("203130202 ");
Case "7": Return ("202120303 ");
Case "8": Return ("302120302 ");
Case "9": Return ("203120302 ");
Case "A": Return ("302021203 ");
Case "B": Return ("203021203 ");
Case "C": Return ("303021202 ");
Case "D": Return ("202031203 ");
Case "E": Return ("302031202 ");
Case "F": Return ("203031202 ");
Case "G": Return ("202021303 ");
Case "H": Return ("302021302 ");
Case "I": Return ("203021300 ");
Case "J": Return ("202031302 ");
Case "K": Return ("302020213 ");
Case "L": Return ("203020213 ");
Case "M": Return ("303020212 ");
Case "N": Return ("202030213 ");
Case "O": Return ("302030212 ");
Case "p": Return ("203030212 ");
Case "Q": Return ("202020313 ");
Case "R": Return ("302020312 ");
Case "S": Return ("203020312 ");
Case "T": Return ("202030312 ");
Case "U": Return ("312020203 ");
Case "v": Return ("213020203 ");
Case "W": Return ("313020202 ");
Case "X": Return ("212030203 ");
Case "Y": Return ("312030202 ");
Case "Z": Return ("213030202 ");
Case "-": Return ("212020303 ");
Case ".": Return ("312020302 ");
Case "": returned ("213020302 ");
Case "*": Return ("212030302 ");
Case "$": Return ("212121202 ");
Case "/": Return ("212120212 ");
Case "+": Return ("212021212 ");
Case "%": Return ("202121212 ");
}
Return ("212030302 ");
}
Function display ($ code) // outputs a single character
{
$ Output = "";
For ($ I = 0; $ I <9; $ I ++)
$ Output. = "<TD Height = ". $ this-> height. "bgcolor = ". $ this-> Patten [$ code [$ I]-> color. "width = ". $ this-> Patten [$ code [$ I]-> width. "> </TD> ";
Return $ output;
}
Function decode ($ code) // all outputs
{
$ Output = "<Table width = ". ($ this-> height/2 * (strlen ($ code) + 2) * $ this-> zoom ). "Height = ". $ this-> height. "Border = 0 cellspacing = 0 cellpadding = 0 align =/" center/"> <tr> ";
$ Output. = $ this-> display ($ this-> makecode ("*"));
$ Output. = "<TD Height = ". $ this-> height. "bgcolor = ". $ this-> Patten [0]-> color. "width = ". $ this-> Patten [0]-> width. "> </TD> ";
$ Length = strlen ($ Code );
For ($ I = 0; $ I <$ length; $ I ++)
{
$ Output. = $ this-> display ($ this-> makecode ($ code [$ I]);
$ Output. = "<TD Height = ". $ this-> height. "bgcolor = ". $ this-> Patten [0]-> color. "width = ". $ this-> Patten [0]-> width. "> </TD> ";
}
$ Output. = $ this-> display ($ this-> makecode ("*"));
$ Output. = "</tr> </table> ";
Return $ output;
}
}
?>

Contact Us

The content source of this page is from Internet, which doesn't represent Alibaba Cloud's opinion; products and services mentioned on that page don't have any relationship with Alibaba Cloud. If the content of the page makes you feel confusing, please write us an email, we will handle the problem within 5 days after receiving your email.

If you find any instances of plagiarism from the community, please send an email to: info-contact@alibabacloud.com and provide relevant evidence. A staff member will contact you within 5 working days.

A Free Trial That Lets You Build Big!

Start building with 50+ products and up to 12 months usage for Elastic Compute Service

  • Sales Support

    1 on 1 presale consultation

  • After-Sales Support

    24/7 Technical Support 6 Free Tickets per Quarter Faster Response

  • Alibaba Cloud offers highly flexible support services tailored to meet your exact needs.