floatcontrol.java

java处理声音文件

/*
 *	FloatControl.java
 */

/*
 *  Copyright (c) 1999 by Matthias Pfisterer <[e-mail]>
 *
 *
 *   This program is free software; you can redistribute it and/or modify
 *   it under the terms of the GNU Library 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 Library General Public License for more details.
 *
 *   You should have received a copy of the GNU Library General Public
 *   License along with this program; if not, write to the Free Software
 *   Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
 *
 */


package	javax.sound.sampled;



public abstract class FloatControl
	extends		Control
{
	private static final String	DEFAULT_TRUE_LABEL = "true";
	private static final String	DEFAULT_FALSE_LABEL = "false";



	private float		m_fValue;
	private float		m_fMinimum;
	private float		m_fMaximum;
	private float		m_fPrecision;
	private int		m_nUpdatePeriod;
	private String		m_strUnits;
	private String		m_strMinLabel;
	private String		m_strMidLabel;
	private String		m_strMaxLabel;




	protected FloatControl(Type type,
			       float fMinimum,
			       float fMaximum,
			       float fPrecision,
			       int nUpdatePeriod,
			       float fInitialValue,
			       String strUnits,
			       String strMinLabel,
			       String strMidLabel,
			       String strMaxLabel)
	{
		super(type);
		m_fMinimum = fMinimum;
		m_fMaximum = fMaximum;
		m_fPrecision = fPrecision;
		m_nUpdatePeriod = nUpdatePeriod;
		setValue(fInitialValue);
		m_nUpdatePeriod = nUpdatePeriod;
		m_strMinLabel = strMinLabel;
		m_strMidLabel = strMidLabel;
		m_strMaxLabel = strMaxLabel;
	}



	protected FloatControl(Type type,
			       float fMinimum,
			       float fMaximum,
			       float fPrecision,
			       int nUpdatePeriod,
			       float fInitialValue,
			       String strUnits)
	{
		this(type,
		     fMinimum,
		     fMaximum,
		     fPrecision,
		     nUpdatePeriod,
		     fInitialValue,
		     strUnits,
		     "Left",
		     "Center",
		     "Right");
	}



	public void setValue(float fValue)
	{
		m_fValue = fValue;
	}



	public float getValue()
	{
		return m_fValue;
	}



	public float getMaximum()
	{
		return m_fMaximum;
	}



	public float getMinimum()
	{
		return m_fMinimum;
	}



	public String getUnits()
	{
		return m_strUnits;
	}



	public String getMinLabel()
	{
		return m_strMinLabel;
	}



	public String getMidLabel()
	{
		return m_strMidLabel;
	}



	public String getMaxLabel()
	{
		return m_strMaxLabel;
	}



	public float getPrecision()
	{
		return m_fPrecision;
	}



	public int getUpdatePeriod()
	{
		return m_nUpdatePeriod;
	}



	public String toString()
	{
		return super.toString() + " [value = " + getValue() + "]";
	}





	public static class Type
		extends	Control.Type
	{
		public static final Type	MASTER_GAIN = new Type("MASTER_GAIN");
		public static final Type	AUX_SEND = new Type("AUX_SEND");
		public static final Type	AUX_RETURN = new Type("AUX_RETURN");
		public static final Type	REVERB_SEND = new Type("REVERB_SEND");
		public static final Type	REVERB_RETURN = new Type("REVERB_RETURN");
		public static final Type	VOLUME = new Type("VOLUME");
		public static final Type	PAN = new Type("PAN");
		public static final Type	BALANCE = new Type("BALANCE");



		protected Type(String strName)
		{
			super(strName);
		}
	}
}



/*** FloatControl.java ***/