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/*
* @(#) Win32HandleAccess.java
*/
package gl4java.jau.awt.windows;
import sun.awt.DrawingSurface;
import sun.awt.Win32DrawingSurface;
import sun.awt.DrawingSurfaceInfo;
/**
* The ms-windows implementation for accessing the native window handle
*
* This class has no user servicable parts inside. It is
* used internally by GLFrame and by our package spoofed
* sun.awt classes that give us internal access to window
* variables that we need to set up the OpenGL drawing
* ontext
*
* @see WinHandleAccess
* @version 0.1, 7. JULY 1998
* @author Sven Goethel
*
*/
public class Win32HandleAccess
implements gl4java.jau.awt.WinHandleAccess
{
protected DrawingSurfaceInfo dsi;
protected Win32DrawingSurface wds;
protected int window, depth;
protected void achieveData(java.awt.Component c, java.awt.Graphics g)
{
/* outta java3d */
dsi=null;
wds=null;
window=0; depth=0;
dsi = ((DrawingSurface)(c.getPeer())).getDrawingSurfaceInfo();
if(dsi!=null)
{
dsi.lock();
wds = (Win32DrawingSurface)dsi.getSurface();
dsi.unlock();
}
if(wds!=null)
{
dsi.lock();
window = wds.getHDC();
depth = wds.getDepth();
/*
System.out.println("wds ="+wds);
System.out.println("wds.Depth ="+wds.getDepth());
System.out.println("wds.HDC ="+wds.getHDC());
System.out.println("wds.HWnd ="+wds.getHWnd());
*/
dsi.unlock();
}
if(wds==null)
System.out.println("Win32HandleAccess.getWinHandle failed, because the given Component is NOT a Window-Component\n");
}
/**
*
* gets some structure for windows, and drawable on Win32
*/
public int getWinHandle(java.awt.Component c, java.awt.Graphics g)
{
achieveData(c, g);
return window;
}
/**
*
* gets some structure for windows, and drawable on Win32
*/
public int getWinDepth(java.awt.Component c, java.awt.Graphics g)
{
achieveData(c, g);
return depth;
}
}
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