/**
* Takes memory required to process supplied image file and a bit more for future PHP operations.
* @param resource $imageFile
* @return bool true on success
*/
protected function getMemoryNeeded($imageFile)
{
if (!file_exists($imageFile)) {
return 0;
}
$imageInfo = getimagesize($imageFile);
if (!isset($imageInfo['channels']) || !$imageInfo['channels']) {
$imageInfo['channels'] = 4;
}
if (!isset($imageInfo['bits']) || !$imageInfo['bits']) {
$imageInfo['bits'] = 8;
}
if (!isset($imageInfo[0])) {
$imageInfo[0] = 1;
}
if (!isset($imageInfo[1])) {
$imageInfo[1] = 1;
}
$memoryNeeded = round(($imageInfo[0] * $imageInfo[1] * $imageInfo['bits'] * $imageInfo['channels'] / 8 + Pow(2, 16)) * 1.65);
$success = \Ip\Internal\System\Helper\SystemInfo::allocateMemory($memoryNeeded);
return $success;
}
/**
* @param $imageFile
* @return bool|null
*/
public static function getMemoryNeeded($imageFile)
{
$imageInfo = getimagesize($imageFile);
if (!isset($imageInfo['channels']) || !$imageInfo['channels']) {
$imageInfo['channels'] = 4;
}
if (!isset($imageInfo['bits']) || !$imageInfo['bits']) {
$imageInfo['bits'] = 8;
}
if (!isset($imageInfo[0])) {
$imageInfo[0] = 1;
}
if (!isset($imageInfo[1])) {
$imageInfo[1] = 1;
}
$a64kb = 65536;
$bytesNeeded = round(($imageInfo[0] * $imageInfo[1] * $imageInfo['bits'] * $imageInfo['channels'] / 8 + $a64kb) * 1.65);
return \Ip\Internal\System\Helper\SystemInfo::allocateMemory($bytesNeeded);
}
