public function showImageJson($digest, $lang)
{
$store = $this->plugin->getStorageAndCache();
$bs = null;
$bs = $store->retreiveData($digest, $this->plugin->getConfiguration()->getProperty("wirisimageformat", "png"));
$jsonOutput = new Hash();
if ($bs !== null) {
$jsonOutput->set("status", "ok");
$jsonResult = new Hash();
$by = haxe_io_Bytes::ofData($bs);
$b64 = _hx_deref(new com_wiris_system_Base64())->encodeBytes($by);
$metrics = array();
$this->getMetricsFromBytes($bs, $metrics);
if ($lang === null) {
$lang = "en";
}
$s = $store->retreiveData($digest, $lang);
$hashMetrics = com_wiris_system_PropertiesTools::fromProperties($metrics);
$keys = $hashMetrics->keys();
while ($keys->hasNext()) {
$currentKey = $keys->next();
$jsonResult->set($currentKey, $hashMetrics->get($currentKey));
unset($currentKey);
}
if ($s !== null) {
$jsonResult->set("alt", com_wiris_system_Utf8::fromBytes($s));
}
$jsonResult->set("pngBase64", $b64->toString());
$jsonOutput->set("result", $jsonResult);
} else {
$jsonOutput->set("status", "warning");
}
return com_wiris_util_json_JSon::encode($jsonOutput);
}
