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<?php
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/*
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* Bar Code
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* author: Seven Yu
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* E-mail: dofyyu@gmail.com
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*/
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class BarCode{
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private $data;
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private $order;
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private $code;
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private $mode;
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private $startX, $endX, $startY, $offsetX, $offsetY;
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private $fontsize, $txtbgX0;
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private $txtbgX1, $txtbgX2, $txtbgX3, $txtbgX4, $txtbgY1, $txtbgY2;
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private $im;
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private $b, $s;
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function __construct($code = null, $mode = 'html'){
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$this->startX = 20;
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$this->startY = 10;
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$this->offsetX = 2;
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$this->offsetY = 80;
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$this->fontsize = 5;
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$this->txtbgX0 = $this->startX;
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$this->txtbgX1 = $this->startX+$this->offsetX*3;
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$this->txtbgX2 = $this->txtbgX1+$this->offsetX*42;
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$this->txtbgX3 = $this->txtbgX2+$this->offsetX*5;
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$this->txtbgX4 = $this->txtbgX3+$this->offsetX*42;
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$this->txtbgY2 = $this->startY+$this->offsetY;
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$this->txtbgY1 = $this->txtbgY2-15;
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$this->loadData();
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$this->setMode($mode);
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$this->setCode($code);
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}
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function setMode($mode){
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$this->
mode =
strtolower($mode) ==
'img'?
'img':
'html';
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}
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function setCode($code){
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$reg = "/^\d{13}$/";
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$this->code = $code;
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}else{
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$this->code = null;
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$this->ERROR('Need a 13 bit Number.');
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}
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}
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function makeImg($width, $height){
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header('Content-type: image/png');
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header('Content-Disposition: attachment; filename="BarCode.png"');
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$this->im = imagecreate($width, $height);
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$this->s = imagecolorallocate($this->im, 255, 255, 255);
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$this->b = imagecolorallocate($this->im, 0, 0, 0);
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$this->t = imagecolorallocate($this->im, 100, 100, 100);
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}
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function endImg(){
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imagepng($this->im);
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}
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function makeRect($col){
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$this->endX = $this->startX + $this->offsetX;
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$col = $col == 1? $this->b: $this->s;
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$this->myRect($this->startX, $this->startY, $this->endX, $this->startY+$this->offsetY, $col);
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$this->startX = $this->endX;
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}
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function myRect($x1, $y1, $x2, $y2, $col){
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imagefilledrectangle($this->im, $x1, $y1, $x2-1, $y2-1, $col);
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}
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function myText($x1, $y1, $str){
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imagestring($this->im, $this->fontsize, $x1, $y1, $str, $this->b);
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}
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function ERROR($msg){
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if($this->mode == 'img'){
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$this->
makeImg(strlen($msg)*
10,
30);
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$this->myText(5, 5, $msg);
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$this->endImg();
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}else{
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}
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}
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function makeBarCode(){
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$this->ERROR('Need Code');
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}else{
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// get array
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$rule = $this->order[$this->code[0]];
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for($i=1; $i<7; $i++){
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$final =
array_merge($final,
$this->
data[$this->
code[$i]][$rule[$i-
1]]);
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}
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for(; $i<13; $i++){
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$final =
array_merge($final,
$this->
data[$this->
code[$i]]['c']);
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}
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if($this->mode == 'img'){
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// make img
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$width = $this->startX*2 + $this->offsetX*95;
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$height = $this->startY*2 + $this->offsetY;
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$this->makeImg($width, $height);
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// draw bar
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for($i=0; $i<95; $i++){
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$this->makeRect($final[$i]);
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}
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// draw text background
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$this->myRect($this->txtbgX1, $this->txtbgY1, $this->txtbgX2, $this->txtbgY2, $this->s);
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$this->myRect($this->txtbgX3, $this->txtbgY1, $this->txtbgX4, $this->txtbgY2, $this->s);
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// write text
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for($i=0; $i<13; $i++){
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if($i == 0){
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$offsetX = -2;
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}else if($i <7){
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$offsetX = $this->offsetX*3;
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}else{
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$offsetX = $this->offsetX*8;
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}
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$this->myText($offsetX+$this->txtbgX0+$this->offsetX*7*$i-$this->offsetX*5, $this->txtbgY1, $this->code[$i]);
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}
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$this->myText($this->startX+3, $this->txtbgY1, '>');
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$this->endImg();
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}else{
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// html mode
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echo '<style type="text/css">
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.line_0, .line_1{
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float: left;
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width: ' . $this->offsetX . 'px;
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height: 100px;
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}
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.line_0{
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background: #FFFFFF;
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}
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.line_1{
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background: #000000;
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}
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</style>';
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for($i=0; $i<95; $i++){
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echo "\n" .
'<div class="line_' .
$final[$i] .
'"></div>';
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}
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}
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}
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}
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function loadData(){
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$this->
data['bgn'] =
array(1,
0,
1);
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$this->
data['mid'] =
array(0,
1,
0,
1,
0);
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$this->
data['end'] =
array(1,
0,
1);
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$this->
data[0]['a'] =
array(0,
0,
0,
1,
1,
0,
1);
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$this->
data[0]['b'] =
array(0,
1,
0,
0,
1,
1,
1);
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$this->
data[0]['c'] =
array(1,
1,
1,
0,
0,
1,
0);
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$this->
data[1]['a'] =
array(0,
0,
1,
1,
0,
0,
1);
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$this->
data[1]['b'] =
array(0,
1,
1,
0,
0,
1,
1);
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$this->
data[1]['c'] =
array(1,
1,
0,
0,
1,
1,
0);
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$this->
data[2]['a'] =
array(0,
0,
1,
0,
0,
1,
1);
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$this->
data[2]['b'] =
array(0,
0,
1,
1,
0,
1,
1);
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$this->
data[2]['c'] =
array(1,
1,
0,
1,
1,
0,
0);
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$this->
data[3]['a'] =
array(0,
1,
1,
1,
1,
0,
1);
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$this->
data[3]['b'] =
array(0,
1,
0,
0,
0,
0,
1);
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$this->
data[3]['c'] =
array(1,
0,
0,
0,
0,
1,
0);
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$this->
data[4]['a'] =
array(0,
1,
0,
0,
0,
1,
1);
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$this->
data[4]['b'] =
array(0,
0,
1,
1,
1,
0,
1);
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$this->
data[4]['c'] =
array(1,
0,
1,
1,
1,
0,
0);
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$this->
data[5]['a'] =
array(0,
1,
1,
0,
0,
0,
1);
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$this->
data[5]['b'] =
array(0,
1,
1,
1,
0,
0,
1);
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$this->
data[5]['c'] =
array(1,
0,
0,
1,
1,
1,
0);
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$this->
data[6]['a'] =
array(0,
1,
0,
1,
1,
1,
1);
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$this->
data[6]['b'] =
array(0,
0,
0,
0,
1,
0,
1);
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$this->
data[6]['c'] =
array(1,
0,
1,
0,
0,
0,
0);
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$this->
data[7]['a'] =
array(0,
1,
1,
1,
0,
1,
1);
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$this->
data[7]['b'] =
array(0,
0,
1,
0,
0,
0,
1);
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$this->
data[7]['c'] =
array(1,
0,
0,
0,
1,
0,
0);
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$this->
data[8]['a'] =
array(0,
1,
1,
0,
1,
1,
1);
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$this->
data[8]['b'] =
array(0,
0,
0,
1,
0,
0,
1);
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$this->
data[8]['c'] =
array(1,
0,
0,
1,
0,
0,
0);
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$this->
data[9]['a'] =
array(0,
0,
0,
1,
0,
1,
1);
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$this->
data[9]['b'] =
array(0,
0,
1,
0,
1,
1,
1);
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$this->
data[9]['c'] =
array(1,
1,
1,
0,
1,
0,
0);
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$this->
order[0] =
array('a',
'a',
'a',
'a',
'a',
'a');
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$this->
order[1] =
array('a',
'a',
'b',
'a',
'b',
'b');
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$this->
order[2] =
array('a',
'a',
'b',
'b',
'a',
'b');
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$this->
order[3] =
array('a',
'a',
'b',
'b',
'b',
'a');
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$this->
order[4] =
array('a',
'b',
'a',
'a',
'b',
'b');
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$this->
order[5] =
array('a',
'b',
'b',
'a',
'a',
'b');
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$this->
order[6] =
array('a',
'b',
'b',
'b',
'a',
'a');
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$this->
order[7] =
array('a',
'b',
'a',
'b',
'a',
'b');
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$this->
order[8] =
array('a',
'b',
'a',
'b',
'b',
'a');
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$this->
order[9] =
array('a',
'b',
'b',
'a',
'b',
'a');
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}
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// end class
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}
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?>
