internal static Exception ToException(this ImageUtilError err, string message)
{
Debug.Assert(err != ImageUtilError.None);
string errMessage = $"{message}; {err}.";
switch (err)
{
case ImageUtilError.PermissionDenied:
return(new UnauthorizedAccessException(errMessage));
case ImageUtilError.InvalidParameter:
return(new ArgumentException(errMessage));
case ImageUtilError.NoSuchFile:
return(new FileNotFoundException(errMessage));
case ImageUtilError.OutOfMemory:
return(new OutOfMemoryException(errMessage));
case ImageUtilError.NotSupported:
return(new NotSupportedException(errMessage));
case ImageUtilError.NotSupportedFormat:
return(new FileFormatException(errMessage));
case ImageUtilError.InvalidOperation:
default:
return(new InvalidOperationException(errMessage));
}
}
internal static void ThrowIfFailed(this ImageUtilError err, string message)
{
if (err == ImageUtilError.None)
{
return;
}
throw err.ToException(message);
}
