Import from http://drts.cvs.sourceforge.net/viewvc/drts/projects/jxinput/ tarball

java/de/hardcode/jxinput/directinput/DIAxis.java

@@ -0,0 +1,70 @@
+//**********************************************************************************************
+//		(C) Copyright 2002 by Dipl. Phys. Joerg Plewe, HARDCODE Development
+//		All rights reserved. Copying, modification,
+//		distribution or publication without the prior written
+//		consent of the author is prohibited.
+//
+//	Created on 27. Dezember 2001, 00:14
+//**********************************************************************************************
+package de.hardcode.jxinput.directinput;
+
+import de.hardcode.jxinput.Axis;
+
+/**
+ *
+ * @author  Herkules
+ */
+class DIAxis implements Axis
+{
+    private final int mDeviceIdx;
+	private final int mIdx;
+
+	/** 
+	 * Creates a new instance of DIAxis.
+	 */
+	DIAxis( int devidx, int idx )	
+	{
+        mDeviceIdx = devidx;
+		mIdx = idx;
+	}
+
+	public String getName()
+	{
+		return DirectInputDriver.getAxisName( mDeviceIdx, mIdx );
+	}
+	
+	
+	/**
+	 * Denote wether this feature has changed beyond it's resolution since it got last
+	 * updated.
+	 */
+	public boolean hasChanged()
+	{
+		return true;
+	}
+
+	public double getValue()
+	{
+		return DirectInputDriver.getAxisValue( mDeviceIdx, mIdx );
+	}
+	
+	public int getType()
+	{
+		return DirectInputDriver.getAxisType( mDeviceIdx, mIdx );
+	}
+
+	/** 
+	 * Inform about the resolution of the axis.
+	 *
+	 * @return resolution, e.g. 2^-16
+	 */
+	public double getResolution()
+	{
+		// extend the driver here!!
+		// Here I assume typical 16 bit resolution
+		return ( getType() == Axis.SLIDER ? 1.0/65536.0 : 2.0/65536.0 ) ; 
+	}
+    
+}
+
+