IMPRESSÃO TÉRMICA ( ESC/POS Print for PHP ) Mike42

.php

<?php

# https://github.com/mike42/escpos-php
# composer: mike42/escpos-php

use Mike42EscposPrinter;
use Mike42EscposEscposImage;
use Mike42EscposImagickEscposImage;
use Mike42EscposPrintConnectorsFilePrintConnector;
use Mike42EscposPrintConnectorsWindowsPrintConnector;

public function onImprimir($param = Null)
{
    $key = $param['key'];
    
    $object = new Vendas($key, FALSE);
  
    $atendente  = SystemUser::findInTransaction('permission', $object->usuario)->login;
  
    $config     = Config::find('1');
    $cobrartaxa = $config->taxa_servico;
    $p_taxa     = $config->p_taxa;
    $endereco   = $config->endereco;
    $telefone   = $config->telefone;
    $impressora_venda = $config->impressora_venda;
    
    $mesa = Mesas::find($object->mesa_id);
        
    $connector = new WindowsPrintConnector('MOME DA IMPRESSORA NO WINDOWS'); 
    $printer   = new Printer($connector);
    $tux       = EscposImage::load("app/images/logo.png", false);
    $printer->setJustification(Printer::JUSTIFY_CENTER);
    $printer -> bitImage($tux);
    $printer -> setTextSize(1, 1);
    $printer -> text(" \n");
    $printer -> text(utf8_decode($endereco));
    $printer -> text(" \n");              
    $printer -> text(utf8_decode($telefone));
    $printer -> text(" \n");
    $printer -> text(utf8_decode('CNPJ.: 42.263.161/0001-18'));
    $printer -> text(" \n");              
    $printer -> text("------------------------------------------------");
    $printer -> selectPrintMode(Printer::MODE_FONT_B);
    $printer->setJustification(Printer::JUSTIFY_CENTER);
    $printer -> setTextSize(2, 2);
    $printer -> text('MESA: '.$mesa->numero_mesa);
    $printer->feed(2);
    
    $printer -> selectPrintMode(Printer::MODE_FONT_B);
    $printer->setJustification(Printer::JUSTIFY_CENTER);
    $printer -> setTextSize(2, 1);
    $printer -> text($object->data_formatada);
    $printer->feed(1);
    $printer -> text('EXTRATO PARA SIMPLES CONFERÊNCIA');
    $printer->feed(1);
    $printer->setJustification(Printer::JUSTIFY_RIGHT);
    $printer -> selectPrintMode(Printer::MODE_FONT_A);
    $printer -> text("------------------------------------------------");
    $printer->feed(1);
    $printer->text('QTDE/PRODUTO               PREÇO UN        TOTAL');
    $printer->feed(1);
    $printer->setJustification(Printer::JUSTIFY_RIGHT);
    $printer -> selectPrintMode(Printer::MODE_FONT_A);
    $printer -> text("------------------------------------------------");
    $printer->feed(1);
 
    $items  = VendasItens::where('venda_id', '=', $key)->load();
        
    $total = 0;
          
    foreach($items as $item)
    {         
         $letras = strlen(trim(substr(Produtos::findInTransaction('sgbr', $item->produto_id)->descricao,0,25)));
         $espacos = 28-$letras;
         $produto = str_pad(substr(Produtos::findInTransaction('sgbr', $item->produto_id)->descricao,0,25),$espacos, " ");
         $qtde    =  number_format($item->quantidade,0,',','.');   
        
         $preco = number_format($item->preco,2,',','.');
         $total_un = number_format($item->preco*$item->quantidade,2,',','.');
    
         $printer->setJustification(Printer::JUSTIFY_RIGHT);
         $printer ->selectPrintMode(Printer::MODE_FONT_A);
        
          $printer->text("{$qtde}  {$produto} ({$preco}) --> ({$total_un})");
          $printer->feed(1);
               
         $total += ($item->preco*$item->quantidade);    
    }
  
    $printer->setJustification(Printer::JUSTIFY_RIGHT);
    $printer -> selectPrintMode(Printer::MODE_FONT_A);
    $printer -> text("------------------------------------------------");
    $printer->feed(1);
    
    $taxa       = $total*$p_taxa*0.01;
    
    $valor_taxa = number_format($total*$p_taxa*0.01,2,',','.');
    $sub_total  = number_format($total,2,',','.');
        
    if ($cobrartaxa=='S')
    {    
       $total_geral  = number_format($total+$taxa,2,',','.');
       $taxa_servico = number_format($taxa,2,',','.');
      
       $printer->setJustification(Printer::JUSTIFY_RIGHT);
       $printer ->selectPrintMode(Printer::MODE_FONT_B);
       $printer ->setTextSize(2, 1);
       $printer ->text("SUB-TOTAL R$.: {$sub_total}");
       $printer->feed(1);
       $printer ->text("Taxa Serviço.: {$taxa_servico}");
       $printer->feed(1);
       $printer ->text("TOTAL A RECEBER R$.: {$total_geral}");
       $printer->feed(1);
      
    } else { 
    
       $total_geral = $sub_total;
       
       $printer->setJustification(Printer::JUSTIFY_RIGHT);
       $printer ->selectPrintMode(Printer::MODE_FONT_B);
       $printer ->setTextSize(2, 1);
       $printer ->text("TOTAL R$.: {$total_geral}");
       $printer->feed(1);
    }
     
    $printer->setJustification(Printer::JUSTIFY_RIGHT);
    $printer -> selectPrintMode(Printer::MODE_FONT_A);
    $printer -> text("------------------------------------------------");
    $printer->feed(1);
    
    $printer->setJustification(Printer::JUSTIFY_LEFT);
    $printer -> selectPrintMode(Printer::MODE_FONT_A);
    $printer ->text("ATENDENTE:  {$atendente}");
    $printer->feed(1);
    $printer->setJustification(Printer::JUSTIFY_RIGHT);
    $printer -> selectPrintMode(Printer::MODE_FONT_A);
    $printer -> text("------------------------------------------------");
    $printer->feed(1);
    $printer->setJustification(Printer::JUSTIFY_CENTER);
    $printer ->selectPrintMode(Printer::MODE_FONT_B);
    $printer ->setTextSize(2, 1);
    $printer ->text("Agradecemos a preferência!");
    $printer->feed(1);
    $printer->setJustification(Printer::JUSTIFY_RIGHT);
    $printer -> selectPrintMode(Printer::MODE_FONT_A);
    $printer -> text("------------------------------------------------");
    $printer->feed(1);
    $printer->setJustification(Printer::JUSTIFY_CENTER);
    $printer ->selectPrintMode(Printer::MODE_FONT_B);
    $printer ->setTextSize(2, 1);
    $printer ->text("****DOCUMENTO NÃO FISCAL****");
    $printer->feed(2);
    $printer -> cut();
    $printer -> close();  
}  

# AGRADECIMENTO: Robson Sorrilha