/// <summary>
/// Internal method that adds the given frame to this Animation. The method has an optional flag to specify
/// that the dimensions should not be tested, and if set to true no exceptions will be thrown if the frame's
/// dimensions don't match this animation's.
/// The method does nothing if the frame is already in this animation
/// </summary>
/// <param name="frame">The frame to add to this animation</param>
/// <param name="index">The index to add the frame at. -1 adds the frame to the end of the frame list</param>
/// <param name="ignoreSize">Whether to ignore the size of the frame and add it even if it is in different dimensions than the rest of the animation</param>
// ReSharper disable once UnusedParameter.Local
private void InternalAddFrame(IFrame frame, int index, bool ignoreSize = false)
{
if (!frame.Initialized)
{
throw new ArgumentException("The frame provided has not been intialized");
}
if (_frames.ContainsReference(frame))
{
return;
}
if (!ignoreSize && (frame.Width != Width || frame.Height != Height))
{
throw new ArgumentException(AnimationMessages.Exception_UnmatchedFramedimensions, nameof(frame));
}
frame.Added(this);
if (frame.ID == -1 && FrameIdGenerator != null)
{
frame.ID = FrameIdGenerator.GetNextUniqueFrameId();
}
if (index == -1)
{
_frames.Add(frame);
}
else
{
_frames.Insert(index, frame);
}
}