class EQ
{
	virtual void Paint(ID2D1Factory*fact, ID2D1RenderTarget* r, RECT rc) = 0;
	virtual void LeftDown(WPARAM ww, LPARAM ll) = 0;
	virtual void RightDown(WPARAM ww, LPARAM ll) = 0;
	virtual void LeftUp(WPARAM ww, LPARAM ll) = 0;
	virtual void MouseMove(WPARAM ww, LPARAM ll) = 0;
	virtual void MouseWheel(WPARAM ww, LPARAM ll) = 0;
	virtual void KeyDown(WPARAM ww, LPARAM ll) = 0;
	virtual void LeftDoubleClick(WPARAM ww,LPARAM ll) = 0;
	virtual void Ser(XML3::XMLElement& e) = 0;
	virtual void Unser(XML3::XMLElement& e) = 0;

	virtual void Prepare(int SR) = 0;
	virtual void Run(int SR, float* in, int ns, float* out) = 0; // Single channel
	virtual bool Run2(int SR, int nch,float** in, int ns, float** out) = 0; // Multiple channel (ToDo)
	virtual void Build(int SR) = 0; // Create the filters
};

// Callbacks
class EQCALLBACK
{
public:

	virtual void RedrawRequest(EQ* pr) = 0; // Called when the equalizer needs to redraw
	virtual void Dirty(EQ* e,bool) = 0; // Called when the equalizer has changed
};