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