public void Reset(Tag tag)
{
unsafe {
// Free any exsting data so that _initialize will actually set the data
if (_handle->data != IntPtr.Zero)
{
ExifData.free(_handle->data);
}
_handle->data = IntPtr.Zero;
}
exif_entry_initialize(handle, tag);
//FIXME the month string in time fields in libexif ix currently broken so we do our own.
if (tag == Tag.DateTime ||
tag == Tag.DateTimeOriginal ||
tag == Tag.DateTimeDigitized)
{
this.SetData(System.DateTime.Now);
}
}
public void SetData(byte [] data, int size)
{
unsafe {
if (data == null || data.Length == 0)
{
throw new System.Exception("Invalid Length");
}
if (_handle->data != IntPtr.Zero)
{
ExifData.free(_handle->data);
}
_handle->data = ExifData.malloc((uint)data.Length);
Marshal.Copy(data, 0, _handle->data, data.Length);
_handle->size = (uint)data.Length;
// This needs to be set per type as well but
// we do it here as well
_handle->components = (uint)(data.Length / size);
}
}