PHP code example of trupermax / print-agent

    
        
<?php
require_once('vendor/autoload.php');

/* Start to develop here. Best regards https://php-download.com/ */

    

trupermax / print-agent example snippets

use Trupermax\PrintAgent\PrintAgent;
use Trupermax\PrintAgent\EscPos;

$agent = new PrintAgent();

$bytes = (new EscPos())
    ->init()
    ->align('center')
    ->bold(true)
    ->textLine('Hola Mundo')
    ->cut()
    ->build();

$agent->printEscPos($bytes, useDefaultPrinter: true);

$agent = new PrintAgent(string $baseUrl = 'http://127.0.0.1:9876');

$res = $agent->status();
// ['status' => 'running', 'message' => 'Print Agent funcionando correctamente']

$printers = $agent->printers();
// [['name' => 'EPSON TM-T20', 'driver' => '...', 'port' => '...', 'is_default' => true]]

$agent->printPDF(
    pdfBase64: base64_encode(file_get_contents('documento.pdf')),
    printerName: 'HP LaserJet',
    copies: 2,
);

$agent->printZPL(
    raw: '^XA^FO50,50^ADN,36,20^FDHola^FS^XZ',
    printerName: 'ZDesigner GK420d',
    copies: 1,
);

$bytes = (new EscPos())->init()->textLine('Hola')->cut()->build();

$agent->printEscPos(
    data: $bytes,
    printerName: 'EPSON TM-T20',
    copies: 1,
);

$builder = $agent->escpos();
$bytes = $builder->init()->textLine('Hola')->cut()->build();

(new EscPos())->init()

->align('left')    // izquierda (defecto)
->align('center')  // centro
->align('right')   // derecha

->bold(true)
->bold(false)

->underline(true)
->underline(false)

->fontSize(1)  // normal
->fontSize(2)  // doble
->fontSize(3)  // triple
->fontSize(4)  // cuádruple

->text('Subtotal: ')->bold(true)->text('Q.150.00')->bold(false)

->textLine('Hola Mundo')

->line()           // 42 guiones
->line('=', 42)    // 42 signos igual
->line('*', 20)    // 20 asteriscos

->feed()    // avanza 1 línea
->feed(3)   // avanza 3 líneas

->row('Subtotal', 'Q.150.00')
->row('IVA 12%', 'Q.18.00', 42)
->row('TOTAL', 'Q.168.00')

->columns(
    cells: ['Cant.', 'Descripción', 'Precio', 'Total'],
    defs: [
        ['width' => 6,  'align' => 'left'],
        ['width' => 16, 'align' => 'left'],
        ['width' => 10, 'align' => 'right'],
        ['width' => 10, 'align' => 'right'],
    ]
)

->qr('https://miempresa.com')

->qr('https://miempresa.com', size: 6, errorLevel: 'H')

->barcode('1234567890128')

->barcode('1234567890128', type: 'EAN13', height: 80, textPosition: 'below')

->cut()        // corte parcial (defecto)
->cut(false)   // corte completo

->raw([0x1b, 0x21, 0x00])

$bytes = (new EscPos())->init()->textLine('Hola')->cut()->build();

use Trupermax\PrintAgent\PrintAgent;
use Trupermax\PrintAgent\EscPos;

$agent = new PrintAgent();

$items = [
    ['code' => 'A00310', 'desc' => 'TOR HEX GR5 NC 3/8 X 1',  'qty' => 2, 'price' => 2.00],
    ['code' => 'A03672', 'desc' => 'FAJA A-40 LISA SUPERBELT', 'qty' => 1, 'price' => 37.00],
];

$colDefs = [
    ['width' => 6,  'align' => 'left'],
    ['width' => 10, 'align' => 'right'],
    ['width' => 10, 'align' => 'right'],
    ['width' => 16, 'align' => 'right'],
];

$escpos = (new EscPos())
    ->init()
    ->align('center')
    ->bold(true)
    ->textLine('MI EMPRESA S.A.')
    ->bold(false)
    ->textLine('NIT: 123456-7')
    ->feed(1)
    ->align('left')
    ->line('-', 42)
    ->columns(['Cant.', 'Precio', 'Desc.%', 'Total'], $colDefs)
    ->line('-', 42);

$total = 0;
foreach ($items as $item) {
    $itemTotal = $item['qty'] * $item['price'];
    $total += $itemTotal;
    $escpos
        ->textLine("{$item['code']} - {$item['desc']}")
        ->columns(
            [(string) $item['qty'], 'Q.' . number_format($item['price'], 2), '', 'Q.' . number_format($itemTotal, 2)],
            $colDefs
        )
        ->feed(1);
}

$escpos
    ->line('-', 42)
    ->align('right')
    ->bold(true)
    ->textLine('TOTAL: Q.' . number_format($total, 2))
    ->bold(false)
    ->feed(1)
    ->align('center')
    ->qr('https://miempresa.com', size: 4)
    ->feed(3)
    ->cut();

$bytes = $escpos->build();

$printers = $agent->printers();
$printer = collect($printers)->firstWhere('is_default', true)['name'] ?? '';

$agent->printEscPos($bytes, printerName: $printer);

bash
# Instalar dependencias
composer install

# Ejecutar la demo manual (requiere Print Agent corriendo en localhost:9876)
php test/manual.php