diff options
Diffstat (limited to 'src/OffScreenCanvas3D/OffScreenTest.java')
| -rw-r--r-- | src/OffScreenCanvas3D/OffScreenTest.java | 219 |
1 files changed, 134 insertions, 85 deletions
diff --git a/src/OffScreenCanvas3D/OffScreenTest.java b/src/OffScreenCanvas3D/OffScreenTest.java index f4070d8..26a4133 100644 --- a/src/OffScreenCanvas3D/OffScreenTest.java +++ b/src/OffScreenCanvas3D/OffScreenTest.java @@ -42,127 +42,176 @@ * $State$ */ -import com.sun.j3d.utils.geometry.ColorCube; -import java.applet.Applet; -import java.awt.*; -import java.awt.event.*; -import java.awt.image.BufferedImage; -import com.sun.j3d.utils.applet.MainFrame; import com.sun.j3d.utils.universe.*; +import com.sun.j3d.utils.geometry.ColorCube; import javax.media.j3d.*; import javax.vecmath.*; +import java.awt.*; +import java.awt.image.BufferedImage; /** - * OffScreenTest issues renderOffScreenBuffer from the postSwap callback - * of the OnScreen canvas. + * OffScreenTest programs with no UI. */ -public class OffScreenTest extends Applet { +public class OffScreenTest extends javax.swing.JFrame { - private SimpleUniverse u = null; + private SimpleUniverse univ = null; + private BranchGroup scene = null; + private Raster drawRaster = null; - public BranchGroup createSceneGraph(Raster drawRaster) - { - // Create the root of the branch graph - BranchGroup objRoot = new BranchGroup(); + private BranchGroup createSceneGraph() { + // Create the root of the branch graph + BranchGroup objRoot = new BranchGroup(); - // spin object has composited transformation matrix - Transform3D spin = new Transform3D(); - Transform3D tempspin = new Transform3D(); + // trans object has composited transformation matrix + Transform3D trans = new Transform3D(); + Transform3D rot = new Transform3D(); - spin.rotX(Math.PI/4.0d); - tempspin.rotY(Math.PI/5.0d); - spin.mul(tempspin); - spin.setScale(0.7); - spin.setTranslation(new Vector3d(-0.4, 0.3, 0.0)); + trans.rotX(Math.PI/4.0d); + rot.rotY(Math.PI/5.0d); + trans.mul(rot); + trans.setScale(0.7); + trans.setTranslation(new Vector3d(-0.4, 0.3, 0.0)); - TransformGroup objTrans = new TransformGroup(spin); - objRoot.addChild(objTrans); + TransformGroup objTrans = new TransformGroup(trans); + objRoot.addChild(objTrans); - // Create a simple shape leaf node, add it to the scene graph. - // ColorCube is a Convenience Utility class - objTrans.addChild(new ColorCube(0.4)); + // Create a simple shape leaf node, add it to the scene graph. + // ColorCube is a Convenience Utility class + objTrans.addChild(new ColorCube(0.4)); - //Create a raster - Shape3D shape = new Shape3D(drawRaster); - objRoot.addChild(shape); - - // Let Java 3D perform optimizations on this scene graph. - objRoot.compile(); - - return objRoot; - } - - public OffScreenTest () - { - } - - public void init() { - setLayout(new BorderLayout()); - GraphicsConfiguration config = - SimpleUniverse.getPreferredConfiguration(); - + //Create a raster BufferedImage bImage = new BufferedImage(200, 200 , - BufferedImage.TYPE_INT_ARGB); - + BufferedImage.TYPE_INT_ARGB); ImageComponent2D buffer = new ImageComponent2D(ImageComponent.FORMAT_RGBA, bImage); buffer.setCapability(ImageComponent2D.ALLOW_IMAGE_READ); - Raster drawRaster = new Raster(new Point3f(0.0f, 0.0f, 0.0f), + drawRaster = new Raster(new Point3f(0.0f, 0.0f, 0.0f), Raster.RASTER_COLOR, 0, 0, 200, 200, buffer, null); - drawRaster.setCapability(Raster.ALLOW_IMAGE_WRITE); - - // create the main scene graph - BranchGroup scene = createSceneGraph(drawRaster); - - // create the on-screen canvas - OnScreenCanvas3D d = new OnScreenCanvas3D(config, false); - add("Center", d); - - // create a simple universe - u = new SimpleUniverse(d); - + drawRaster.setCapability(Raster.ALLOW_IMAGE_WRITE); + Shape3D shape = new Shape3D(drawRaster); + objRoot.addChild(shape); + + // Let Java 3D perform optimizations on this scene graph. + objRoot.compile(); + + return objRoot; + } + + + private OnScreenCanvas3D createOnScreenCanvasAndUniverse() { + // Get the preferred graphics configuration for the default screen + GraphicsConfiguration config = + SimpleUniverse.getPreferredConfiguration(); + + // Create a Canvas3D using the preferred configuration + OnScreenCanvas3D onScrCanvas = new OnScreenCanvas3D(config, false); + + // Create simple universe with view branch + univ = new SimpleUniverse(onScrCanvas); + // This will move the ViewPlatform back a bit so the // objects in the scene can be viewed. - u.getViewingPlatform().setNominalViewingTransform(); - - // create an off Screen Canvas - - OffScreenCanvas3D c = new OffScreenCanvas3D(config, true, drawRaster); - + univ.getViewingPlatform().setNominalViewingTransform(); + + // Ensure at least 5 msec per frame (i.e., < 200Hz) + univ.getViewer().getView().setMinimumFrameCycleTime(5); + + return onScrCanvas; + } + + private OffScreenCanvas3D createOffScreenCanvas() { + // request an offscreen Canvas3D with a single buffer configuration + GraphicsConfigTemplate3D template = new GraphicsConfigTemplate3D(); + template.setDoubleBuffer(GraphicsConfigTemplate3D.UNNECESSARY); + GraphicsConfiguration gc = + GraphicsEnvironment.getLocalGraphicsEnvironment(). + getDefaultScreenDevice().getBestConfiguration(template); + + // Create a offscreen Canvas3D using the single buffer configuration. + OffScreenCanvas3D offScrCanvas = + new OffScreenCanvas3D(gc, true, drawRaster); + + return offScrCanvas; + } + + /** + * Creates new form OffScreenTest + */ + public OffScreenTest() { + // Initialize the GUI components + initComponents(); + + // Create the content branch and add it to the universe + scene = createSceneGraph(); + + // Create an OnScreenCanvas3D and SimpleUniverse; add canvas to drawing panel + OnScreenCanvas3D onScreenCanvas = createOnScreenCanvasAndUniverse(); + drawingPanel.add(onScreenCanvas, java.awt.BorderLayout.CENTER); + + // Creante an OffScreenCanvas3D + OffScreenCanvas3D offScreenCanvas = createOffScreenCanvas(); + // set the offscreen to match the onscreen - Screen3D sOn = d.getScreen3D(); - Screen3D sOff = c.getScreen3D(); + Screen3D sOn = onScreenCanvas.getScreen3D(); + Screen3D sOff = offScreenCanvas.getScreen3D(); sOff.setSize(sOn.getSize()); sOff.setPhysicalScreenWidth(sOn.getPhysicalScreenWidth()); sOff.setPhysicalScreenHeight(sOn.getPhysicalScreenHeight()); // attach the same view to the offscreen canvas - View v = u.getViewer().getView(); - v.addCanvas3D(c); + View view = univ.getViewer().getView(); + view.addCanvas3D(offScreenCanvas); // tell onscreen about the offscreen so it knows to // render to the offscreen at postswap - d.setOffScreenCanvas(c); + onScreenCanvas.setOffScreenCanvas(offScreenCanvas); - u.addBranchGraph(scene); - v.stopView(); + univ.addBranchGraph(scene); + + view.stopView(); // Make sure that image are render completely // before grab it in postSwap(). - d.setImageReady(); - v.startView(); - + onScreenCanvas.setImageReady(); + view.startView(); } - public void destroy() { - u.cleanup(); + // ---------------------------------------------------------------- + + /** This method is called from within the constructor to + * initialize the form. + * WARNING: Do NOT modify this code. The content of this method is + * always regenerated by the Form Editor. + */ + // <editor-fold defaultstate="collapsed" desc=" Generated Code ">//GEN-BEGIN:initComponents + private void initComponents() { + drawingPanel = new javax.swing.JPanel(); + + setDefaultCloseOperation(javax.swing.WindowConstants.EXIT_ON_CLOSE); + setTitle("Window Title"); + drawingPanel.setLayout(new java.awt.BorderLayout()); + + drawingPanel.setPreferredSize(new java.awt.Dimension(500, 500)); + getContentPane().add(drawingPanel, java.awt.BorderLayout.CENTER); + + pack(); + }// </editor-fold>//GEN-END:initComponents + + /** + * @param args the command line arguments + */ + public static void main(String args[]) { + java.awt.EventQueue.invokeLater(new Runnable() { + public void run() { + new OffScreenTest().setVisible(true); + } + }); } - - - public static void main(String argv[]) - { - new MainFrame(new OffScreenTest(), 500, 500); - } + + // Variables declaration - do not modify//GEN-BEGIN:variables + private javax.swing.JPanel drawingPanel; + // End of variables declaration//GEN-END:variables + } |