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Fixing C128c bug (checksum) and adding future member variables

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This commit is contained in:
Dennis Eichhorn 2016-02-21 14:17:06 +01:00
parent 2df3111c2b
commit 7ea0b17a6a
2 changed files with 9 additions and 6 deletions
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5
Utils/Barcode/C128Abstract.php
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@ -15,7 +15,12 @@ abstract class C128Abstract
protected $orientation = 0;
protected $size = 0;
protected $dimension = ['width' => 0, 'height' => 0];
protected $content = 0;
protected $showText = true;
protected $margin = ['top' => 0.0, 'right' => 0.0, 'bottom' => 0.0, 'left' => 0.0];
protected $background = ['r' => 0, 'g' => 0, 'b' => 0, 'a' => 0];
protected $front = ['r' => 0, 'g' => 0, 'b' => 0, 'a' => 0];
public function __construct(string $content = '', int $size = 20, int $orientation = 0)
{

10
Utils/Barcode/C128c.php
View File

@ -2,10 +2,6 @@
namespace phpOMS\Utils\Barcode;
/**
* Class C128c
* @fixme: here is still a small error. It has a minor deviation to a correct 128c code. WHY?
*/
class C128c extends C128Abstract
{
protected static $CHECKSUM = 105;
@ -34,7 +30,7 @@ class C128c extends C128Abstract
protected static $CODE_START = '211232';
protected static $CODE_END = '2331112';
protected static $CODE_END = '2331112';
protected function generateCodeString()
{
@ -43,6 +39,7 @@ class C128c extends C128Abstract
$codeString = '';
$length = strlen($this->content);
$checksum = self::$CHECKSUM;
$checkPos = 1;
for ($pos = 1; $pos <= $length; $pos += 2) {
if ($pos + 1 <= $length) {
@ -52,7 +49,8 @@ class C128c extends C128Abstract
}
$codeString .= self::$CODEARRAY[$activeKey];
$checksum = ($checksum + ($values[$activeKey] * $pos));
$checksum = ($checksum + ($values[$activeKey] * $checkPos));
$checkPos++;
}
$codeString .= self::$CODEARRAY[$keys[($checksum - (intval($checksum / 103) * 103))]];