spiralsynthmodular/SpiralSound/Plugins/MixerPlugin/MixerPlugin.h

/*  SpiralSound
 *  Copyleft (C) 2001 David Griffiths <dave@pawfal.org>
 *
 *  This program is free software; you can redistribute it and/or modify
 *  it under the terms of the GNU General Public License as published by
 *  the Free Software Foundation; either version 2 of the License, or
 *  (at your option) any later version.
 *
 *  This program is distributed in the hope that it will be useful,
 *  but WITHOUT ANY WARRANTY; without even the implied warranty of
 *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 *  GNU General Public License for more details.
 *
 *  You should have received a copy of the GNU General Public License
 *  along with this program; if not, write to the Free Software
 *  Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*/ 

#include "../SpiralPlugin.h"
#include <FL/Fl_Pixmap.H>

#ifndef MixerPLUGIN
#define MixerPLUGIN

static const int NUM_CHANNELS = 4;

class MixerPlugin : public SpiralPlugin
{
public:
 	MixerPlugin();
	virtual ~MixerPlugin();
	
	virtual PluginInfo &Initialise(const HostInfo *Host);
	virtual SpiralGUIType *CreateGUI();
	virtual void Execute();
	virtual void ExecuteCommands();
	virtual void StreamOut(ostream &s);
	virtual void StreamIn(istream &s);
	
	// has to be defined in the plugin	
	virtual void UpdateGUI() { Fl::check(); }
	
	enum GUICommands{NONE,SETCH};
	struct GUIArgs
	{
		int Num;
		float Value;
	};
	
	float GetChannel(int n) { return m_ChannelVal[n]; }
			
private:

	GUIArgs m_GUIArgs;

	void  SetChannel(int n, float s) { m_ChannelVal[n]=s; }	
	float m_ChannelVal[NUM_CHANNELS];
};

#endif