/// <summary>
/// Restore the state of this drawer
/// </summary>
public void Load(object state)
{
if (state is DrawerState)
{
DrawerState ds = (DrawerState)state;
currentTransform = ds.CurrentTransform;
matrixStack = ds.MatrixStack;
transformRequired = currentTransform != null;
}
else
{
IncompatibleTypeException.Publish(state, typeof(DrawerState));
}
}
/// <summary>
/// Save the current state of this drawer
/// Typical implementation store transformation matrix, clipping, and other information to this state object
/// </summary>
public object Save()
{
DrawerState result = new DrawerState();
if (matrixStack != null)
{
result.MatrixStack = matrixStack.Clone();
}
if (currentTransform != null)
{
result.CurrentTransform = currentTransform.Clone();
}
return(result);
}
/// <summary>
/// Save the current state of this drawer
/// Typical implementation store transformation matrix, clipping, and other information to this state object
/// </summary>
public object Save()
{
DrawerState result = new DrawerState();
if (matrixStack != null) result.MatrixStack = matrixStack.Clone();
if (currentTransform != null) result.CurrentTransform = currentTransform.Clone();
return result;
}