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Added a new generateRawQRCode static method
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@romaincazier
romaincazier committed Feb 24, 2022
1 parent db0bca1 commit cfb646e
Showing 1 changed file with 65 additions and 25 deletions.
90 changes: 65 additions & 25 deletions FieldtypeQRCode.module
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Original file line number Diff line number Diff line change
Expand Up @@ -105,9 +105,9 @@ class FieldtypeQRCode extends Fieldtype {
}

/**
* Generate the QR code(s) based on the configuration and return them in
* an array of arrays containing the QR code image, its original text,
* its label and its source (from the configuration)
* Generates the QR code(s) based on the configuration and return them in
* an array of arrays containing the QR code image, its original text, its
* label and its source (from the configuration)
*
* @param Page $page
* @param array $sources
Expand All @@ -125,30 +125,36 @@ class FieldtypeQRCode extends Fieldtype {
$qrcodes = array_merge($qrcodes, $lqr);
} else {
$text = $this->getQRText($page);
$qr = $this->generateQRCode($text, $this->svg, $this->markup);
$raw = $this->generateRawQRCode($text, $this->svg, $this->markup);
$qr = $this->generateQRCode($raw, $this->svg, $this->markup);
$qrcodes[] = [
"label" => "URL",
"qr" => $qr,
"raw" => $raw,
"source" => $source,
"text" => $text,
];
}
} elseif($source === "editUrl") {
$text = $this->getQRText($page, true);
$qr = $this->generateQRCode($text, $this->svg, $this->markup);
$raw = $this->generateRawQRCode($text, $this->svg, $this->markup);
$qr = $this->generateQRCode($raw, $this->svg, $this->markup);
$qrcodes[] = [
"label" => "Admin URL",
"qr" => $qr,
"raw" => $raw,
"source" => $source,
"text" => $text,
];
} elseif($f = $page->getUnformatted($source)) {
$label = $page->fields->get($source)->label;
if(is_string($f)) {
$qr = $this->generateQRCode($f, $this->svg, $this->markup);
$raw = $this->generateRawQRCode($f, $this->svg, $this->markup);
$qr = $this->generateQRCode($raw, $this->svg, $this->markup);
$qrcodes[] = [
"label" => $label,
"qr" => $qr,
"raw" => $raw,
"source" => $source,
"text" => $f,
];
Expand All @@ -164,10 +170,12 @@ class FieldtypeQRCode extends Fieldtype {
$qrcodes = array_merge($qrcodes, $lqr);
} else {
$text = $this->getQRText($p);
$qr = $this->generateQRCode($text, $this->svg, $this->markup);
$raw = $this->generateRawQRCode($text, $this->svg, $this->markup);
$qr = $this->generateQRCode($raw, $this->svg, $this->markup);
$qrcodes[] = [
"label" => "{$label}: {$p->title}",
"qr" => $qr,
"raw" => $raw,
"source" => $source,
"text" => $text,
];
Expand All @@ -176,10 +184,12 @@ class FieldtypeQRCode extends Fieldtype {
} else if($f instanceof Pagefiles) {
foreach($f as $file) {
$text = $this->getQRText($file);
$qr = $this->generateQRCode($text, $this->svg, $this->markup);
$raw = $this->generateRawQRCode($text, $this->svg, $this->markup);
$qr = $this->generateQRCode($raw, $this->svg, $this->markup);
$qrcodes[] = [
"label" => "{$label}: {$file->basename()}",
"qr" => $qr,
"raw" => $raw,
"source" => $source,
"text" => $text,
];
Expand All @@ -192,7 +202,7 @@ class FieldtypeQRCode extends Fieldtype {
}

/**
* Generate the QR code(s) for the page (or multi-languages field) in each
* Generates the QR code(s) for the page (or multi-languages field) in each
* languages
*
* @param Page|LanguagesPageFieldValue $page
Expand Down Expand Up @@ -234,10 +244,12 @@ class FieldtypeQRCode extends Fieldtype {
if($addTitle) {
$l .= $l ? ": $page->title" : $page->title;
}
$qr = $this->generateQRCode($text, $this->svg, $this->markup);
$raw = $this->generateRawQRCode($text, $this->svg, $this->markup);
$qr = $this->generateQRCode($raw, $this->svg, $this->markup);
$qrcodes[] = [
"label" => $l,
"qr" => $qr,
"raw" => $raw,
"source" => $source,
"text" => $text,
];
Expand All @@ -247,7 +259,7 @@ class FieldtypeQRCode extends Fieldtype {
}

/**
* Returns an array with the original text and the QR code image
* Generates a QR code as an <img> or <svg>
*
* @param string $text
* @param bool $svg Generate the QR code as svg instead of gif ? (default=true)
Expand All @@ -256,32 +268,52 @@ class FieldtypeQRCode extends Fieldtype {
*
*/
public static function generateQRCode(string $text, $svg = true, $markup = false) {
if(strpos($text, "data:image/") === 0 || strpos($text, "<svg") === 0) {
$data = $text;
} else {
$data = self::generateRawQRCode($text, $svg, $markup);
}

if($svg && $markup) {
$qr = str_replace("svg\">", "svg\"><title>$text</title>", $data);
} else {
$qr = "<img src=\"$data\" alt=\"$text\" />";
}

return $qr;
}

/**
* Generates a QR code as a base64 of a gif or svg (or leave intact if we
* want the markup)
*
* @param string $text
* @param bool $svg Generate the QR code as svg instead of gif ? (default=true)
* @param bool $markup If svg, output its markup instead of a base64 ? (default=false)
* @return string
*
*/
public static function generateRawQRCode(string $text, $svg = true, $markup = false) {
$qr = FieldtypeQRCode\QRCode::getMinimumQRCode($text, FieldtypeQRCode\QR_ERROR_CORRECT_LEVEL_L);

ob_start();
if ($svg) {
if($svg) {
$qr->printSVG();
} else {
$im = $qr->createImage(4, 4);
imagegif($im);
imagedestroy($im);
}
$data = ob_get_contents();
ob_end_clean();

if ($svg) {
$src = "data:image/svg+xml;base64," . base64_encode($data);
} else {
$src = "data:image/gif;base64," . base64_encode($data);
imagedestroy($im);
if($svg && !$markup) {
$data = "data:image/svg+xml;base64," . base64_encode($data);
} else if(!$svg) {
$data = "data:image/gif;base64," . base64_encode($data);
}

if ($svg && $markup) {
$qr = str_replace("svg\">", "svg\"><title>$text</title>", $data);
} else {
$qr = "<img src=\"$src\" alt=\"$text\" />";
}

return $qr;
return $data;
}

public function ___wakeupValue(Page $page, Field $field, $value) {
Expand All @@ -297,7 +329,7 @@ class FieldtypeQRCode extends Fieldtype {
}

/**
* Parse the sources from the configuration and return them in an array
* Parses the sources from the configuration and return them in an array
*
* @param Field $field
* @return array
Expand Down Expand Up @@ -379,6 +411,14 @@ class FieldtypeQRCode extends Fieldtype {
return $out;
}

/**
* TODO: add get function to allow to return a specific source / language
*
*/
public function get($key) {
return parent::get($key);
}

public function ___getConfigInputfields(Field $field) {
if(is_null($field->get("format"))) $field->set("format", "svg");
if(is_null($field->get("markup"))) $field->set("markup", 0);
Expand Down

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