Algov/qrcode.chapril.org
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Generate QR code before outputting anything

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This commit is contained in:
Miraty 2022-06-07 00:47:10 +02:00
parent d0f211f61e
commit a706b97a1c
1 changed files with 59 additions and 55 deletions
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98
index.php
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@ -38,7 +38,7 @@ $params = array(
"fgColor" => DEFAULT_FGCOLOR, "fgColor" => DEFAULT_FGCOLOR,
); );
$validFormSubmitted = false; $qrCodeAvailable = NULL;
if ( if (
isset($_POST['txt']) isset($_POST['txt'])
@ -49,6 +49,8 @@ if (
AND isset($_POST['fgColor']) AND isset($_POST['fgColor'])
) { ) {
$qrCodeAvailable = true;
if (strlen($_POST['txt']) >= 1 AND strlen($_POST['txt']) <= 4096) { if (strlen($_POST['txt']) >= 1 AND strlen($_POST['txt']) <= 4096) {
$params['txt'] = $_POST['txt']; $params['txt'] = $_POST['txt'];
} else { } else {
@ -96,6 +98,48 @@ if (
} }
$validFormSubmitted = true; $validFormSubmitted = true;
$rgbBgColor = array(
'r' => hexdec(substr($params['bgColor'],0,2)),
'g' => hexdec(substr($params['bgColor'],2,2)),
'b' => hexdec(substr($params['bgColor'],4,2)),
);
$qrCode = Builder::create()
->data($params['txt']);
if (!is_null($params['margin']))
$qrCode->margin($params['margin']);
if (!is_null($params['size']))
$qrCode->size($params['size']);
if ($params['redundancy'] === "high")
$qrCode->errorCorrectionLevel(new ErrorCorrectionLevelHigh());
else if ($params['redundancy'] === "quartile")
$qrCode->errorCorrectionLevel(new ErrorCorrectionLevelQuartile());
else if ($params['redundancy'] === "medium")
$qrCode->errorCorrectionLevel(new ErrorCorrectionLevelMedium());
else if ($params['redundancy'] === "low")
$qrCode->errorCorrectionLevel(new ErrorCorrectionLevelLow());
$qrCode
->backgroundColor(new Color(
$rgbBgColor['r'],
$rgbBgColor['g'],
$rgbBgColor['b']
))
->foregroundColor(new Color(
hexdec(substr($params['fgColor'],0,2)),
hexdec(substr($params['fgColor'],2,2)),
hexdec(substr($params['fgColor'],4,2))
));
try {
$result = $qrCode->build();
} catch (Exception $ex) {
http_response_code(500);
$qrCodeAvailable = false;
error_log("LibreQR encountered an error while generating a QR code: " . $ex);
}
} }
?> ?>
@ -205,51 +249,7 @@ foreach($themeDimensionsIcons as $dimFav) // Set all icons dimensions
<?php <?php
if ($validFormSubmitted) { if ($qrCodeAvailable) {
$rgbBgColor = array(
'r' => hexdec(substr($params['bgColor'],0,2)),
'g' => hexdec(substr($params['bgColor'],2,2)),
'b' => hexdec(substr($params['bgColor'],4,2)),
);
$qrCode = Builder::create()
->data($params['txt']);
if (!is_null($params['margin']))
$qrCode->margin($params['margin']);
if (!is_null($params['size']))
$qrCode->size($params['size']);
if ($params['redundancy'] === "high")
$qrCode->errorCorrectionLevel(new ErrorCorrectionLevelHigh());
else if ($params['redundancy'] === "quartile")
$qrCode->errorCorrectionLevel(new ErrorCorrectionLevelQuartile());
else if ($params['redundancy'] === "medium")
$qrCode->errorCorrectionLevel(new ErrorCorrectionLevelMedium());
else if ($params['redundancy'] === "low")
$qrCode->errorCorrectionLevel(new ErrorCorrectionLevelLow());
$qrCode
->backgroundColor(new Color(
$rgbBgColor['r'],
$rgbBgColor['g'],
$rgbBgColor['b']
))
->foregroundColor(new Color(
hexdec(substr($params['fgColor'],0,2)),
hexdec(substr($params['fgColor'],2,2)),
hexdec(substr($params['fgColor'],4,2))
));
try {
$result = $qrCode->build();
} catch (Exception $ex) {
http_response_code(500);
echo "<p><strong>" . $loc['error_generation'] . "</strong></p></body></html>";
error_log("LibreQR encountered an error while generating a QR code: " . $ex);
exit();
}
$dataUri = $result->getDataUri(); $dataUri = $result->getDataUri();
$qrSize = $params['size'] + 2 * $params['margin']; $qrSize = $params['size'] + 2 * $params['margin'];
@ -278,7 +278,11 @@ if ($validFormSubmitted) {
</div> </div>
</section> </section>
<?php } ?> <?php
} else if ($qrCodeAvailable === false) {
echo " <p><strong>" . $loc['error_generation'] . "</strong></p></body></html>";
}
?>
<footer> <footer>