From 880653d31a8f1ff8384fdbc75b84934bceecfdb8 Mon Sep 17 00:00:00 2001 From: Sven Gothel Date: Sat, 18 Nov 2000 06:43:49 +0000 Subject: Initial revision --- gl4java/applet/SimpleGLAnimApplet1.java | 270 ++++++++++++++++++++++++++++++++ 1 file changed, 270 insertions(+) create mode 100644 gl4java/applet/SimpleGLAnimApplet1.java (limited to 'gl4java/applet/SimpleGLAnimApplet1.java') diff --git a/gl4java/applet/SimpleGLAnimApplet1.java b/gl4java/applet/SimpleGLAnimApplet1.java new file mode 100644 index 0000000..db74690 --- /dev/null +++ b/gl4java/applet/SimpleGLAnimApplet1.java @@ -0,0 +1,270 @@ +/** + * @(#) SimpleGLAnimApplet.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.GLAnimCanvas; + +public class SimpleGLAnimApplet1 extends Applet + implements MouseListener, WindowListener, ActionListener, ItemListener +{ + public GLAnimCanvas canvas = null; + + public Button buttonInfo = null; + public Button buttonFps = null; + public TextField textFps = null; + public Checkbox checkUseRepaint = null; + public Checkbox checkUseFpsSleep = null; + public Button buttonReStart = null; + + + Frame fInfo = null; + + /* Initialize the applet */ + + public void init() + { + setLayout(new BorderLayout()); + + Panel pan = new Panel(); + pan.setLayout(new GridLayout(2,3)); + + buttonInfo = new Button("GL4Java"); + buttonInfo.addMouseListener(this); + pan.add(buttonInfo); + + checkUseRepaint = new Checkbox("repaint", true); + checkUseRepaint.addItemListener(this); + pan.add(checkUseRepaint); + + checkUseFpsSleep = new Checkbox("fps-sleep", true); + checkUseFpsSleep.addItemListener(this); + pan.add(checkUseFpsSleep); + + buttonReStart = new Button("start/stop"); + buttonReStart.addMouseListener(this); + pan.add(buttonReStart); + + buttonFps = new Button("fps: "); + buttonFps.addMouseListener(this); + pan.add(buttonFps); + + textFps=new TextField("0000000000"); + textFps.addActionListener(this); + pan.add(textFps); + + add("South",pan); + } + + + public void start() + { + checkUseFpsSleep.setState(canvas.getUseFpsSleep()); + checkUseRepaint.setState(canvas.getUseRepaint()); + canvas.start(); + } + + + public void stop() + { + canvas.stop(); + } + + + public void destroy() + { + if(fInfo!=null) + { + fInfo.dispose(); + fInfo=null; + } + canvas.stop(); + canvas.cvsDispose(); + } + + + // Methods required for the implementation of MouseListener + public void mouseEntered( MouseEvent evt ) + { + } + + public void mouseExited( MouseEvent evt ) + { + } + + public void mousePressed( MouseEvent evt ) + { + } + + public void mouseReleased( MouseEvent evt ) + { + } + + public void mouseClicked( MouseEvent evt ) + { + Component comp = evt.getComponent(); + + if( canvas!=null && comp.equals(buttonFps) ) + { + double fps = 0; + int a1; + + canvas.stopFpsCounter(); + fps=canvas.getFps(); + a1=(int)(fps*100.0); + fps=(double)a1/100.0; + textFps.setText(String.valueOf(fps)); + canvas.resetFpsCounter(); + } else if( comp.equals(buttonInfo) ) + { + if(fInfo==null && canvas!=null && canvas.getGLContext()!=null) + fInfo = showGLInfo(); + } + else if( comp.equals(buttonReStart) ) + { + canvas.setSuspended(!canvas.isSuspended(), + evt.getClickCount()>1 // -> ReInit + ); + } + } + + public void itemStateChanged( ItemEvent evt ) + { + ItemSelectable comp = evt.getItemSelectable(); + + if( comp.equals(checkUseRepaint ) ) + { + if(canvas!=null) + { + canvas.setUseRepaint(checkUseRepaint.getState()); + System.out.println("canvas uses repaint: "+ + checkUseRepaint.getState()); + } + } + if( comp.equals(checkUseFpsSleep ) ) + { + if(canvas!=null) + { + canvas.setUseFpsSleep(checkUseFpsSleep.getState()); + System.out.println("canvas uses fps-sleep: "+ + checkUseFpsSleep.getState()); + } + } + } + + public void actionPerformed(ActionEvent event) + { + Object source = event.getSource(); + + if ( source == textFps) + { + try { + double FramesPerSec= + Double.valueOf(textFps.getText()).doubleValue(); + if(canvas!=null) + { + canvas.setAnimateFps(FramesPerSec); + canvas.setSuspended(false, true); + } + } catch (NumberFormatException s) { + System.out.println("wrong fps format, use float .."); + } + + } + } + + 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; + + canvas.setSuspended(true, false); + + 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); + + canvas.setSuspended(false, false); + + f.pack(); + f.setVisible(true); + + return f; + } +} -- cgit v1.2.3