.. index:: pair: class; EE::UI::Charts::RingXYDataSource
.. _doxid-class_e_e_1_1_u_i_1_1_charts_1_1_ring_x_y_data_source:

class EE::UI::Charts::RingXYDataSource
======================================

.. toctree::
	:hidden:

Fixed-capacity FIFO source; a wrapped read exposes two logical chunks.


.. ref-code-block:: cpp
	:class: doxyrest-overview-code-block

	#include <xydatasource.hpp>
	
	class RingXYDataSource: public :ref:`EE::UI::Charts::XYDataSource<doxid-class_e_e_1_1_u_i_1_1_charts_1_1_x_y_data_source>` {
	public:
		// construction
	
		:target:`RingXYDataSource<doxid-class_e_e_1_1_u_i_1_1_charts_1_1_ring_x_y_data_source_1ac25b8b1b5de8c1da21ee6b17098f9c49>`(size_t capacity);

		// methods
	
		virtual :ref:`XYDataRead<doxid-class_e_e_1_1_u_i_1_1_charts_1_1_x_y_data_read>` :target:`acquireRead<doxid-class_e_e_1_1_u_i_1_1_charts_1_1_ring_x_y_data_source_1a47e1d338d2f12429af1ab510e65277a5>`() const;
		void :target:`append<doxid-class_e_e_1_1_u_i_1_1_charts_1_1_ring_x_y_data_source_1ae4577677e1e2ee972b0a8e8943bb6f8f>`(:ref:`ChartPoint<doxid-struct_e_e_1_1_u_i_1_1_charts_1_1_chart_point>` point);
		void :target:`clear<doxid-class_e_e_1_1_u_i_1_1_charts_1_1_ring_x_y_data_source_1acaa5ea37a35ab97597503357b12bb459>`();
	};

Inherited Members
-----------------

.. ref-code-block:: cpp
	:class: doxyrest-overview-inherited-code-block

	public:
		// classes
	
		class :ref:`Connection<doxid-class_e_e_1_1_u_i_1_1_charts_1_1_x_y_data_source_1_1_connection>`;

		// methods
	
		virtual :ref:`XYDataRead<doxid-class_e_e_1_1_u_i_1_1_charts_1_1_x_y_data_read>` :ref:`acquireRead<doxid-class_e_e_1_1_u_i_1_1_charts_1_1_x_y_data_source_1a44c3d19bc47b6fe58e443f51c79e34b8>`() const = 0;
		:ref:`Connection<doxid-class_e_e_1_1_u_i_1_1_charts_1_1_x_y_data_source_1_1_connection>` :ref:`onChanged<doxid-class_e_e_1_1_u_i_1_1_charts_1_1_x_y_data_source_1a2a7494e0262a3d5067521cc85c9ea52d>`(std::function<void(:ref:`Uint64<doxid-namespace_e_e_1ae05f59b032c290566852fe63cb26135c>`)> callback);