diff options
Diffstat (limited to 'gl4java/applet/SimpleGLApplet1.java')
| -rwxr-xr-x | gl4java/applet/SimpleGLApplet1.java | 173 |
1 files changed, 173 insertions, 0 deletions
diff --git a/gl4java/applet/SimpleGLApplet1.java b/gl4java/applet/SimpleGLApplet1.java new file mode 100755 index 0000000..8da7104 --- /dev/null +++ b/gl4java/applet/SimpleGLApplet1.java @@ -0,0 +1,173 @@ +/**
+ * @(#) SimpleGLApplet.java
+ * @(#) author: Sven Goethel
+ */
+
+package gl4java.applet;
+
+/* This program is licensed under the LGPL */
+
+import java.applet.*;
+import java.awt.*;
+import java.awt.event.*;
+import java.lang.*;
+import gl4java.GLContext;
+import gl4java.GLFunc;
+import gl4java.GLUFunc;
+import gl4java.awt.GLCanvas;
+
+public class SimpleGLApplet1 extends Applet
+ implements ActionListener,WindowListener
+{
+ public GLCanvas canvas = null;
+
+ public Button buttonInfo = null;
+
+ Frame fInfo = null;
+
+ /* Initialize the applet */
+
+ public void init()
+ {
+ setLayout(new BorderLayout());
+
+ buttonInfo = new Button("GL4Java");
+ add("South",buttonInfo);
+ }
+
+
+ public void start()
+ {
+ if(GLContext.gljClassDebug)
+ System.out.println("SGLApplet start ..");
+
+ buttonInfo.addActionListener(this);
+
+ canvas.setVisible(true);
+ canvas.repaint();
+ }
+
+
+ public void stop()
+ {
+ if(GLContext.gljClassDebug)
+ System.out.println("SGLApplet stop ..");
+ buttonInfo.removeActionListener(this);
+
+ canvas.cvsDispose();
+ }
+
+
+ public void destroy()
+ {
+ if(GLContext.gljClassDebug)
+ System.out.println("SGLApplet destroy ..");
+ if(fInfo!=null)
+ {
+ fInfo.dispose();
+ fInfo=null;
+ }
+ canvas.cvsDispose();
+ }
+
+
+ protected void finalize()
+ throws Throwable
+ {
+ if(GLContext.gljClassDebug)
+ System.out.println("SGLApplet finalize ..");
+
+ super.finalize();
+ }
+
+ public void actionPerformed(ActionEvent event)
+ {
+ Object source = event.getSource();
+
+ if( source.equals(buttonInfo) )
+ {
+ if(fInfo==null && canvas!=null && canvas.getGLContext()!=null)
+ fInfo = showGLInfo();
+ }
+ }
+
+ public void windowOpened(WindowEvent e)
+ {
+ }
+
+ public void windowClosing(WindowEvent e)
+ {
+ Window w = e.getWindow();
+ if(w == fInfo && fInfo!=null)
+ {
+ fInfo.dispose();
+ fInfo=null;
+ }
+ }
+
+ public void windowClosed(WindowEvent e)
+ {
+ Window w = e.getWindow();
+ if(w == fInfo && fInfo!=null)
+ {
+ fInfo.dispose();
+ fInfo=null;
+ }
+ }
+
+ public void windowIconified(WindowEvent e)
+ {
+ }
+
+ public void windowDeiconified(WindowEvent e)
+ {
+ }
+
+ public void windowActivated(WindowEvent e)
+ {
+ }
+
+ public void windowDeactivated(WindowEvent e)
+ {
+ }
+
+ public Frame showGLInfo()
+ {
+ if(canvas==null) return null;
+
+ GLContext glc = canvas.getGLContext();
+ if(glc==null) return null;
+
+ GLFunc gl = glc.getGLFunc();
+ if(gl==null) return null;
+
+ GLUFunc glu = glc.getGLUFunc();
+ if(gl==null) return null;
+
+ Frame f = new Frame("GL4Java Version");
+ TextArea info= new TextArea(25, 80);
+ info.setEditable(false);
+ f.add(info);
+ f.setSize(600, 400);
+
+ String str = "null string";
+ if( glc.gljMakeCurrent() == false )
+ {
+ str="problem in use() method\n";
+ } else {
+ str=canvas.getGLContext().gljGetVersions();
+ if(str==null)
+ str="could not get versions";
+ System.out.println(str);
+ glc.gljFree();
+ }
+ info.append(str);
+
+ f.addWindowListener(this);
+
+ f.pack();
+ f.setVisible(true);
+
+ return f;
+ }
+}
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