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/*
* @(#) MacHandleAccess.java
*/
package gl4java.jau.awt.macintosh;
import sun.awt.DrawingSurface;
import sun.awt.DrawingSurfaceInfo;
import sun.awt.MacDrawingSurface;
import java.awt.*;
/**
* 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
* context
*
*
* @see WinHandleAccess
* @version 0.1, 7. JULY 1998
* @author Sven Goethel
* @author ported to Mac by gerard ziemski
*
*/
public class MacHandleAccess implements gl4java.jau.awt.WinHandleAccess
{
protected DrawingSurface ds;
protected DrawingSurfaceInfo dsi;
protected MacDrawingSurface mds;
protected int window,
depth;
protected void achieveData(java.awt.Component c, java.awt.Graphics g)
{
/* outta java3d */
dsi = null;
mds = null;
window = 0;
depth = 0;
ds = ((DrawingSurface)c.getPeer());
dsi = ds.getDrawingSurfaceInfo();
if (dsi != null)
{
dsi.lock();
mds = (MacDrawingSurface)dsi.getSurface();
dsi.unlock();
}
if (mds != null)
{
dsi.lock();
window = mds.getPort();
depth = c.getColorModel().getPixelSize();
dsi.unlock();
}
if (mds == null)
{
System.out.println("MacHandleAccess:getWinHandle failed");
}
}
/**
*
* gets some structure for windows, and drawable on Mac
*/
public int getWinHandle(java.awt.Component c, java.awt.Graphics g)
{
achieveData(c, g);
return window;
}
/**
*
* gets some structure for windows, and drawable on Mac
*/
public int getWinDepth(java.awt.Component c, java.awt.Graphics g)
{
achieveData(c, g);
return depth;
}
}
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