qrcode.chapril.org-libreqr/barcode-generator/Generator/CINpostnet.php
2021-11-01 18:08:42 +01:00

140 lines
4.0 KiB
PHP

<?php
/**
*--------------------------------------------------------------------
*
* Sub-Class - PostNet
*
* A postnet is composed of either 5, 9 or 11 digits used by US postal service.
*
* @author Akhtar Khan <er.akhtarkhan@gmail.com>
* @link http://www.codeitnow.in
* @package https://github.com/codeitnowin/barcode-generator --------------------------------------------------------------------
*/
namespace CodeItNow\BarcodeBundle\Generator;
use CodeItNow\BarcodeBundle\Generator\CINParseException;
use CodeItNow\BarcodeBundle\Generator\CINBarcode1D;
class CINpostnet extends CINBarcode1D {
/**
* Constructor.
*/
public function __construct() {
parent::__construct();
$this->keys = array('0', '1', '2', '3', '4', '5', '6', '7', '8', '9');
$this->code = array(
'11000', /* 0 */
'00011', /* 1 */
'00101', /* 2 */
'00110', /* 3 */
'01001', /* 4 */
'01010', /* 5 */
'01100', /* 6 */
'10001', /* 7 */
'10010', /* 8 */
'10100' /* 9 */
);
$this->setThickness(9);
}
/**
* Draws the barcode.
*
* @param resource $im
*/
public function draw($im) {
// Checksum
$checksum = 0;
$c = strlen($this->text);
for ($i = 0; $i < $c; $i++) {
$checksum += intval($this->text[$i]);
}
$checksum = 10 - ($checksum % 10);
// Starting Code
$this->drawChar($im, '1');
// Code
for ($i = 0; $i < $c; $i++) {
$this->drawChar($im, $this->findCode($this->text[$i]));
}
// Checksum
$this->drawChar($im, $this->findCode($checksum));
// Ending Code
$this->drawChar($im, '1');
$this->drawText($im, 0, 0, $this->positionX, $this->thickness);
}
/**
* Returns the maximal size of a barcode.
*
* @param int $w
* @param int $h
* @return int[]
*/
public function getDimension($w, $h) {
$c = strlen($this->text);
$startlength = 3;
$textlength = $c * 5 * 3;
$checksumlength = 5 * 3;
$endlength = 3;
// We remove the white on the right
$removelength = -1.56;
$w += $startlength + $textlength + $checksumlength + $endlength + $removelength;
$h += $this->thickness;
return parent::getDimension($w, $h);
}
/**
* Validates the input.
*/
protected function validate() {
$c = strlen($this->text);
if ($c === 0) {
throw new CINParseException('postnet', 'No data has been entered.');
}
// Checking if all chars are allowed
for ($i = 0; $i < $c; $i++) {
if (array_search($this->text[$i], $this->keys) === false) {
throw new CINParseException('postnet', 'The character \'' . $this->text[$i] . '\' is not allowed.');
}
}
// Must contain 5, 9 or 11 chars
if ($c !== 5 && $c !== 9 && $c !== 11) {
throw new CINParseException('postnet', 'Must contain 5, 9, or 11 characters.');
}
parent::validate();
}
/**
* Overloaded method for drawing special barcode.
*
* @param resource $im
* @param string $code
* @param boolean $startBar
*/
protected function drawChar($im, $code, $startBar = true) {
$c = strlen($code);
for ($i = 0; $i < $c; $i++) {
if ($code[$i] === '0') {
$posY = $this->thickness - ($this->thickness / 2.5);
} else {
$posY = 0;
}
$this->drawFilledRectangle($im, $this->positionX, $posY, $this->positionX + 0.44, $this->thickness - 1, CINBarcode::COLOR_FG);
$this->positionX += 3;
}
}
}
?>