78 lines
2.9 KiB
PHP
78 lines
2.9 KiB
PHP
<?php
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/**
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* This demo prints out supported code pages on your printer. This is intended
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* for debugging character-encoding issues: If your printer does not work with
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* a built-in capability profile, you need to check its documentation for
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* supported code pages.
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*
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* These are then loaded into a capability profile, which maps code page
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* numbers to iconv encoding names on your particular printer. This script
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* will print all configured code pages, so that you can check that the chosen
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* iconv encoding name matches the actual code page contents.
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*
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* If this is correctly set up for your printer, then the driver will try its
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* best to map UTF-8 text into these code pages for you, allowing you to accept
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* arbitrary input from a database, without worrying about encoding it for the printer.
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*/
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require __DIR__ . '/../vendor/autoload.php';
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use Zelda\EscposPhp\Printer;
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use Zelda\EscposPhp\PrintConnectors\FilePrintConnector;
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use Zelda\EscposPhp\CapabilityProfile;
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// Enter connector and capability profile (to match your printer)
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$connector = new FilePrintConnector("php://stdout");
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$profile = CapabilityProfile::load("default");
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$verbose = false; // Skip tables which iconv wont convert to (ie, only print characters available with UTF-8 input)
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/* Print a series of receipts containing i18n example strings - Code below shouldn't need changing */
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$printer = new Zelda\EscposPhp\Printer($connector, $profile);
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$codePages = $profile->getCodePages();
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$first = true; // Print larger table for first code-page.
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foreach ($codePages as $table => $page) {
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/* Change printer code page */
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$printer->selectCharacterTable(255);
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$printer->selectCharacterTable($table);
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/* Select & print a label for it */
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$label = $page->getId();
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if (!$page->isEncodable()) {
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$label = " (not supported)";
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}
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$printer->setEmphasis(true);
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$printer->textRaw("Table $table: $label\n");
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$printer->setEmphasis(false);
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if (!$page->isEncodable() && !$verbose) {
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continue; // Skip non-recognised
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}
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/* Print a table of available characters (first table is larger than subsequent ones */
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if ($first) {
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$first = false;
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compactCharTable($printer, 1, true);
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} else {
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compactCharTable($printer);
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}
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}
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$printer->cut();
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$printer->close();
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function compactCharTable($printer, $start = 4, $header = false)
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{
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/* Output a compact character table for the current encoding */
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$chars = str_repeat(' ', 256);
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for ($i = 0; $i < 255; $i++) {
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$chars[$i] = ($i > 32 && $i != 127) ? chr($i) : ' ';
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}
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if ($header) {
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$printer->setEmphasis(true);
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$printer->textRaw(" 0123456789ABCDEF0123456789ABCDEF\n");
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$printer->setEmphasis(false);
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}
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for ($y = $start; $y < 8; $y++) {
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$printer->setEmphasis(true);
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$printer->textRaw(strtoupper(dechex($y * 2)) . " ");
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$printer->setEmphasis(false);
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$printer->textRaw(substr($chars, $y * 32, 32) . "\n");
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}
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}
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