public function showImage($digest, $mml, $param, $call)
{
if ($digest === null && $mml === null) {
throw new HException("Missing parameters 'formula' or 'mml'.");
}
if ($digest !== null && $mml !== null) {
throw new HException("Only one parameter 'formula' or 'mml' is valid.");
}
$atts = false;
if ($digest === null && $mml !== null) {
$digest = $this->render->computeDigest($mml, $param);
}
$formula = $this->plugin->getStorageAndCache()->decodeDigest($digest);
if ($formula === null) {
throw new HException("Formula associated to digest not found.");
}
if (StringTools::startsWith($formula, "<")) {
throw new HException("Not implemented.");
}
$iniFile = com_wiris_util_sys_IniFile::newIniFileFromString($formula);
$renderParams = $iniFile->getProperties();
$i = null;
$ss = $this->render->getEditorParametersList();
if ($param !== null) {
$_g1 = 0;
$_g = $ss->length;
while ($_g1 < $_g) {
$i1 = $_g1++;
$key = $ss[$i1];
$value = com_wiris_system_PropertiesTools::getProperty($param, $key, null);
if ($value !== null) {
$atts = true;
$renderParams->set($key, $value);
}
unset($value, $key, $i1);
}
}
if ($atts) {
if ($mml !== null) {
$digest = $this->render->computeDigest($mml, com_wiris_system_PropertiesTools::toProperties($renderParams));
} else {
$digest = $this->render->computeDigest($renderParams->get("mml"), com_wiris_system_PropertiesTools::toProperties($renderParams));
}
}
$store = $this->plugin->getStorageAndCache();
$bs = null;
$bs = $store->retreiveData($digest, "png");
if ($bs === null) {
$_g1 = 0;
$_g = $ss->length;
while ($_g1 < $_g) {
$i1 = $_g1++;
$key = $ss[$i1];
if (!$renderParams->exists($key)) {
$confKey = com_wiris_plugin_api_ConfigurationKeys::$imageConfigProperties->get($key);
if ($confKey !== null) {
$value = $this->plugin->getConfiguration()->getProperty($confKey, null);
if ($value !== null) {
$renderParams->set($key, $value);
}
unset($value);
}
unset($confKey);
}
unset($key, $i1);
}
$h = new com_wiris_plugin_impl_HttpImpl($this->plugin->getImageServiceURL(null), null);
$h->setHeader("Content-Type", "application/x-www-form-urlencoded");
$this->plugin->addReferer($h);
$this->plugin->addProxy($h);
$iter = $renderParams->keys();
while ($iter->hasNext()) {
$key = $iter->next();
$h->setParameter($key, $renderParams->get($key));
unset($key);
}
$this->digest = $digest;
$this->call = $call;
com_wiris_plugin_asyncimpl_HttpPostAndContinue::doPost($h, $this, "onData");
} else {
$call->returnBytes($bs);
}
}
