/// <summary>
/// Get a value of a metadata item.
/// </summary>
/// <param name="img"></param>
/// <param name="name"></param>
/// <param name="defaultValue"></param>
/// <param name="i"></param>
/// <param name="j"></param>
/// <returns></returns>
public string GetMeta(Pi2Image img, string name, string defaultValue, int i = 0, int j = 0)
{
Pi2Value value = NewString();
PiLib.RunAndCheck(Handle, $"getmeta({img.Name}, {name}, {value.Name}, {i}, {j}, {defaultValue})");
return(value.AsString());
}
/// <summary>
/// Retrieves list of metadata item keys.
/// </summary>
/// <param name="img"></param>
/// <returns></returns>
public string[] ListMeta(Pi2Image img)
{
Pi2Value value = NewString();
PiLib.RunAndCheck(Handle, $"listmeta({img.Name}, {value.Name})");
string s = value.AsString();
if (String.IsNullOrEmpty(s))
{
return(new string[0]);
}
return(s.Split(new string[] { ", " }, StringSplitOptions.None));
}