private static function convertTo($source, $targetFormat, $deleteSource, $quality = 100)
{
$ext = FileUtil::getFileExtension($source);
$absoluteSource = FileUtil::getAbsolutePath($source);
$tempImage = null;
if ($ext === 'jpg' || $ext === 'jpeg') {
$tempImage = imagecreatefromjpeg($absoluteSource);
} else {
if ($ext === 'png') {
$tempImage = imagecreatefrompng($absoluteSource);
} else {
if ($ext === 'gif') {
$tempImage = imagecreatefromgif($absoluteSource);
} else {
throw new InvalidImageFormatException("Image with format ." . $ext . " can not be converted");
}
}
}
$targetFilename = FileUtil::getFilePathWithoutExtension($absoluteSource) . '.' . $targetFormat;
if ($absoluteSource === $targetFilename) {
imagedestroy($tempImage);
return;
}
try {
switch ($targetFormat) {
case 'jpeg':
imagejpeg($tempImage, $targetFilename, $quality);
break;
case 'png':
imagepng($tempImage, $targetFilename);
break;
case 'gif':
imagegif($tempImage, $targetFilename);
break;
default:
throw new InvalidImageFormatException("Conversion image to ." . $targetFormat . " not supported");
}
if ($deleteSource) {
FileUtil::deleteFile($source);
}
imagedestroy($tempImage);
} catch (\Exception $e) {
imagedestroy($tempImage);
}
}
