编辑文件 - CodigoBarras.php

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路径: /srv/systems_dir/yuppiecred/library/Core/CodigoBarras.php
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<?php

class Core_CodigoBarras
{
    protected static $_path;
    protected static $_numCodebar;

private static function getPath($file=null)
    {
        return $file ? self::$_path . ltrim($file, ' /') : self::$_path;
    }

private static function setPath($path)
    {
        self::$_path = rtrim($path, ' /') . '/';
    }
    
    public static function gerar($numero, $path)
    {
        self::setPath($path);
        return self::fbarcode($numero);
    }
    
    public static function getNumCodebar()
    {
        return self::$_numCodebar;
    }
    
    private static function fbarcode($valor)
    {
        $valor = self::formataNumero($valor, 20);
        self::$_numCodebar = $valor;
        
        $fino = 1;
        $largo = 3;
        $altura = 50;

$barcodes[0] = '00110';
        $barcodes[1] = '10001';
        $barcodes[2] = '01001';
        $barcodes[3] = '11000';
        $barcodes[4] = '00101';
        $barcodes[5] = '10100';
        $barcodes[6] = '01100';
        $barcodes[7] = '00011';
        $barcodes[8] = '10010';
        $barcodes[9] = '01010';
        
        for ($f1 = 9; $f1 >= 0; $f1--) {
            for ($f2 = 9; $f2 >= 0; $f2--) {
                $f = ($f1 * 10) + $f2;
                $texto = "";
                for ($i = 1; $i < 6; $i++) {
                    $texto .= substr($barcodes[$f1], ($i - 1), 1) . substr($barcodes[$f2], ($i - 1), 1);
                }
                $barcodes[$f] = $texto;
            }
        }

//Desenho da barra
        //Guarda inicial
        $saida = '<img src="' . self::getPath('p.png') . '" width="' . $fino . '" height="' . $altura . '" border="0">'
               . '<img src="' . self::getPath('b.png') . '" width="' . $fino . '" height="' . $altura . '" border="0">'
               . '<img src="' . self::getPath('p.png') . '" width="' . $fino . '" height="' . $altura . '" border="0">'
               . '<img src="' . self::getPath('b.png') . '" width="' . $fino . '" height="' . $altura . '" border="0">';

$texto = $valor;
        if ((strlen($texto) % 2) <> 0) {
            $texto = '0' . $texto;
        }

// Draw dos dados
        while (strlen($texto) > 0) {
            $i = round(self::esquerda($texto, 2));
            $texto = self::direita($texto, strlen($texto) - 2);
            $f = $barcodes[$i];
            for ($i = 1; $i < 11; $i+=2) {
                if (substr($f, ($i - 1), 1) == '0') {
                    $f1 = $fino;
                } else {
                    $f1 = $largo;
                }
                $saida .= '<img src="' . self::getPath('p.png') . '" width="' . $f1 . '" height="' . $altura . '" border="0">';
                if (substr($f, $i, 1) == '0') {
                    $f2 = $fino;
                } else {
                    $f2 = $largo;
                }
                $saida .= '<img src="' . self::getPath('b.png') . '" width="' . $f2 . '" height="' . $altura . '" border="0">';
            }
        }

// Draw guarda final
        $saida .= '<img src="' . self::getPath('p.png') . '" width="' . $largo . '" height="' . $altura . '" border="0">'
                . '<img src="' . self::getPath('b.png') . '" width="' . $fino . '" height="' . $altura . '" border="0">'
                . '<img src="' . self::getPath('p.png') . '" width="1" height="' . $altura . '" border="0">';

return $saida;
    }
    
    public static function esquerda($entra, $comp)
    {
        return substr($entra, 0, $comp);
    }

public static function direita($entra, $comp)
    {
        return substr($entra, strlen($entra) - $comp, $comp);
    }
    
    public static function formataNumero($numero, $tam){
        while( strlen($numero) < $tam ){
            $numero = "0" . $numero;
        }
        
        return $numero;
    }
}

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