From ccfce542ddaa3388c244b3cd498e223fb53a0c29 Mon Sep 17 00:00:00 2001 From: phil Date: Thu, 17 Nov 2016 12:14:54 +1300 Subject: First cut offscreen canvas examples note NOT working, race condition occuring, however offscreen canvases for GL2ES2 and Jogl pipelines provably working elsewhere --- .../offscreen_canvas3d/OffScreenCanvas3D.java | 8 +- .../examples/offscreen_canvas3d/OffScreenTest.java | 2 +- .../offscreen_canvas3d/OffScreenTestGL2ES2.java | 231 +++++++++++++++++ .../offscreen_canvas3d/PrintFromButton.java | 15 +- .../offscreen_canvas3d/PrintFromButtonGL2ES2.java | 285 +++++++++++++++++++++ 5 files changed, 534 insertions(+), 7 deletions(-) create mode 100644 src/main/java/org/jdesktop/j3d/examples/offscreen_canvas3d/OffScreenTestGL2ES2.java create mode 100644 src/main/java/org/jdesktop/j3d/examples/offscreen_canvas3d/PrintFromButtonGL2ES2.java diff --git a/src/main/java/org/jdesktop/j3d/examples/offscreen_canvas3d/OffScreenCanvas3D.java b/src/main/java/org/jdesktop/j3d/examples/offscreen_canvas3d/OffScreenCanvas3D.java index 913bc74..bc72301 100644 --- a/src/main/java/org/jdesktop/j3d/examples/offscreen_canvas3d/OffScreenCanvas3D.java +++ b/src/main/java/org/jdesktop/j3d/examples/offscreen_canvas3d/OffScreenCanvas3D.java @@ -71,16 +71,16 @@ class OffScreenCanvas3D extends Canvas3D { printing = true; BufferedImage bImage = new BufferedImage( - 200, 200 , BufferedImage.TYPE_INT_ARGB); + 200, 200 , BufferedImage.TYPE_3BYTE_BGR); ImageComponent2D buffer = new ImageComponent2D( - ImageComponent.FORMAT_RGBA, bImage, true, true); + ImageComponent.FORMAT_RGB, bImage, true, true); buffer.setCapability(ImageComponent2D.ALLOW_IMAGE_READ); this.setOffScreenBuffer(buffer); this.renderOffScreenBuffer(); - if (toWait) { + if (toWait) { this.waitForOffScreenRendering(); drawOffScreenBuffer(); } @@ -99,7 +99,7 @@ class OffScreenCanvas3D extends Canvas3D { BufferedImage bImage = this.getOffScreenBuffer().getImage(); ImageComponent2D newImageComponent = new ImageComponent2D( - ImageComponent.FORMAT_RGBA, bImage, true, true); + ImageComponent.FORMAT_RGB, bImage, true, true); drawRaster.setImage(newImageComponent); } diff --git a/src/main/java/org/jdesktop/j3d/examples/offscreen_canvas3d/OffScreenTest.java b/src/main/java/org/jdesktop/j3d/examples/offscreen_canvas3d/OffScreenTest.java index dbb841e..ecfee83 100644 --- a/src/main/java/org/jdesktop/j3d/examples/offscreen_canvas3d/OffScreenTest.java +++ b/src/main/java/org/jdesktop/j3d/examples/offscreen_canvas3d/OffScreenTest.java @@ -95,7 +95,7 @@ public class OffScreenTest extends javax.swing.JFrame { //Create a raster BufferedImage bImage = new BufferedImage(200, 200 , - BufferedImage.TYPE_INT_ARGB); + BufferedImage.TYPE_4BYTE_ABGR); ImageComponent2D buffer = new ImageComponent2D(ImageComponent.FORMAT_RGBA, bImage, true, true); buffer.setCapability(ImageComponent2D.ALLOW_IMAGE_READ); diff --git a/src/main/java/org/jdesktop/j3d/examples/offscreen_canvas3d/OffScreenTestGL2ES2.java b/src/main/java/org/jdesktop/j3d/examples/offscreen_canvas3d/OffScreenTestGL2ES2.java new file mode 100644 index 0000000..b549781 --- /dev/null +++ b/src/main/java/org/jdesktop/j3d/examples/offscreen_canvas3d/OffScreenTestGL2ES2.java @@ -0,0 +1,231 @@ +/* + * Copyright (c) 2016 JogAmp Community. All rights reserved. + * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. + * + * This code is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License version 2 only, as + * published by the Free Software Foundation. Sun designates this + * particular file as subject to the "Classpath" exception as provided + * by Sun in the LICENSE file that accompanied this code. + * + * This code is distributed in the hope that it will be useful, but WITHOUT + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or + * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License + * version 2 for more details (a copy is included in the LICENSE file that + * accompanied this code). + * + * You should have received a copy of the GNU General Public License version + * 2 along with this work; if not, write to the Free Software Foundation, + * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. + * + */ + +package org.jdesktop.j3d.examples.offscreen_canvas3d; + +import java.awt.GraphicsConfiguration; +import java.awt.GraphicsEnvironment; +import java.awt.image.BufferedImage; + +import org.jogamp.java3d.BranchGroup; +import org.jogamp.java3d.GraphicsConfigTemplate3D; +import org.jogamp.java3d.ImageComponent; +import org.jogamp.java3d.ImageComponent2D; +import org.jogamp.java3d.Raster; +import org.jogamp.java3d.Screen3D; +import org.jogamp.java3d.Shape3D; +import org.jogamp.java3d.Transform3D; +import org.jogamp.java3d.TransformGroup; +import org.jogamp.java3d.View; +import org.jogamp.java3d.utils.shader.Cube; +import org.jogamp.java3d.utils.universe.SimpleUniverse; +import org.jogamp.vecmath.Point3f; +import org.jogamp.vecmath.Vector3d; + +/** + * OffScreenTest programs with no UI. + */ +public class OffScreenTestGL2ES2 extends javax.swing.JFrame +{ + + private SimpleUniverse univ = null; + private BranchGroup scene = null; + private Raster drawRaster = null; + + private BranchGroup createSceneGraph() + { + // Create the root of the branch graph + BranchGroup objRoot = new BranchGroup(); + + // trans object has composited transformation matrix + Transform3D trans = new Transform3D(); + Transform3D rot = new Transform3D(); + + 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(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 Cube(0.4)); + + //Create a raster + BufferedImage bImage = new BufferedImage(200, 200, BufferedImage.TYPE_3BYTE_BGR); + ImageComponent2D buffer = new ImageComponent2D(ImageComponent.FORMAT_RGB, bImage, true, true); + buffer.setCapability(ImageComponent2D.ALLOW_IMAGE_READ); + + 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); + 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. + univ.getViewingPlatform().setNominalViewingTransform(); + + // Ensure at least 5 msec per frame (i.e., < 200Hz) + univ.getViewer().getView().setMinimumFrameCycleTime(5); + + /*BranchGroup objRoot = new BranchGroup(); + Transform3D trans = new Transform3D(); + Transform3D rot = new Transform3D(); + + 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(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 Cube(0.4)); + + univ.addBranchGraph(objRoot);*/ + + 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 OffScreenTestGL2ES2() + { + // 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 = 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 view = univ.getViewer().getView(); + view.addCanvas3D(offScreenCanvas); + + // tell onscreen about the offscreen so it knows to + // render to the offscreen at postswap + onScreenCanvas.setOffScreenCanvas(offScreenCanvas); + + univ.addBranchGraph(scene); + + view.stopView(); + // Make sure that image are render completely + // before grab it in postSwap(). + onScreenCanvas.setImageReady(); + view.startView(); + } + + // ---------------------------------------------------------------- + + /** 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. + */ + // //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(); + }// //GEN-END:initComponents + + /** + * @param args the command line arguments + */ + public static void main(String args[]) + { + System.setProperty("sun.awt.noerasebackground", "true"); + System.setProperty("j3d.rend", "jogl2es2"); + System.setProperty("j3d.displaylist", "false"); + java.awt.EventQueue.invokeLater(new Runnable() { + public void run() + { + new OffScreenTestGL2ES2().setVisible(true); + } + }); + } + + // Variables declaration - do not modify//GEN-BEGIN:variables + private javax.swing.JPanel drawingPanel; + // End of variables declaration//GEN-END:variables + +} diff --git a/src/main/java/org/jdesktop/j3d/examples/offscreen_canvas3d/PrintFromButton.java b/src/main/java/org/jdesktop/j3d/examples/offscreen_canvas3d/PrintFromButton.java index e53a094..3b5db8a 100644 --- a/src/main/java/org/jdesktop/j3d/examples/offscreen_canvas3d/PrintFromButton.java +++ b/src/main/java/org/jdesktop/j3d/examples/offscreen_canvas3d/PrintFromButton.java @@ -48,6 +48,9 @@ import java.awt.GraphicsConfiguration; import java.awt.GraphicsEnvironment; import java.awt.image.BufferedImage; +import javax.swing.ImageIcon; +import javax.swing.JFrame; +import javax.swing.JLabel; import javax.swing.JPopupMenu; import org.jogamp.java3d.BranchGroup; @@ -98,9 +101,9 @@ public class PrintFromButton extends javax.swing.JFrame { //Create a raster BufferedImage bImage = new BufferedImage(200, 200 , - BufferedImage.TYPE_INT_ARGB); + BufferedImage.TYPE_3BYTE_BGR); ImageComponent2D buffer = - new ImageComponent2D(ImageComponent.FORMAT_RGBA, bImage, true, true); + new ImageComponent2D(ImageComponent.FORMAT_RGB, bImage, true, true); buffer.setCapability(ImageComponent2D.ALLOW_IMAGE_READ); drawRaster = new Raster(new Point3f(0.0f, 0.0f, 0.0f), @@ -245,6 +248,14 @@ public class PrintFromButton extends javax.swing.JFrame { private void myButtonActionPerformed(java.awt.event.ActionEvent evt) {//GEN-FIRST:event_myButtonActionPerformed offScreenCanvas.print(false); + + ImageIcon ic = new ImageIcon(offScreenCanvas.getOffScreenBuffer().getImage()); + JFrame f = new JFrame("Output"); + f.getContentPane().add(new JLabel(ic) ); + f.setSize(200, 200); + f.setVisible(true); + + }//GEN-LAST:event_myButtonActionPerformed private void exitMenuItemActionPerformed(java.awt.event.ActionEvent evt) {//GEN-FIRST:event_exitMenuItemActionPerformed diff --git a/src/main/java/org/jdesktop/j3d/examples/offscreen_canvas3d/PrintFromButtonGL2ES2.java b/src/main/java/org/jdesktop/j3d/examples/offscreen_canvas3d/PrintFromButtonGL2ES2.java new file mode 100644 index 0000000..5b1bcf5 --- /dev/null +++ b/src/main/java/org/jdesktop/j3d/examples/offscreen_canvas3d/PrintFromButtonGL2ES2.java @@ -0,0 +1,285 @@ +/* + * $RCSfile$ + * + * Copyright (c) 2007 Sun Microsystems, Inc. All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * + * - Redistribution of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * + * - Redistribution in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in + * the documentation and/or other materials provided with the + * distribution. + * + * Neither the name of Sun Microsystems, Inc. or the names of + * contributors may be used to endorse or promote products derived + * from this software without specific prior written permission. + * + * This software is provided "AS IS," without a warranty of any + * kind. ALL EXPRESS OR IMPLIED CONDITIONS, REPRESENTATIONS AND + * WARRANTIES, INCLUDING ANY IMPLIED WARRANTY OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE OR NON-INFRINGEMENT, ARE HEREBY + * EXCLUDED. SUN MICROSYSTEMS, INC. ("SUN") AND ITS LICENSORS SHALL + * NOT BE LIABLE FOR ANY DAMAGES SUFFERED BY LICENSEE AS A RESULT OF + * USING, MODIFYING OR DISTRIBUTING THIS SOFTWARE OR ITS + * DERIVATIVES. IN NO EVENT WILL SUN OR ITS LICENSORS BE LIABLE FOR + * ANY LOST REVENUE, PROFIT OR DATA, OR FOR DIRECT, INDIRECT, SPECIAL, + * CONSEQUENTIAL, INCIDENTAL OR PUNITIVE DAMAGES, HOWEVER CAUSED AND + * REGARDLESS OF THE THEORY OF LIABILITY, ARISING OUT OF THE USE OF OR + * INABILITY TO USE THIS SOFTWARE, EVEN IF SUN HAS BEEN ADVISED OF THE + * POSSIBILITY OF SUCH DAMAGES. + * + * You acknowledge that this software is not designed, licensed or + * intended for use in the design, construction, operation or + * maintenance of any nuclear facility. + * + * $Revision$ + * $Date$ + * $State$ + */ + +package org.jdesktop.j3d.examples.offscreen_canvas3d; + +import java.awt.GraphicsConfiguration; +import java.awt.GraphicsEnvironment; +import java.awt.image.BufferedImage; + +import javax.swing.ImageIcon; +import javax.swing.JFrame; +import javax.swing.JLabel; +import javax.swing.JPopupMenu; + +import org.jogamp.java3d.BranchGroup; +import org.jogamp.java3d.GraphicsConfigTemplate3D; +import org.jogamp.java3d.ImageComponent; +import org.jogamp.java3d.ImageComponent2D; +import org.jogamp.java3d.Raster; +import org.jogamp.java3d.Screen3D; +import org.jogamp.java3d.Shape3D; +import org.jogamp.java3d.Transform3D; +import org.jogamp.java3d.TransformGroup; +import org.jogamp.java3d.View; +import org.jogamp.java3d.utils.geometry.ColorCube; +import org.jogamp.java3d.utils.universe.SimpleUniverse; +import org.jogamp.vecmath.Point3f; +import org.jogamp.vecmath.Vector3d; + +/** + * PrintFromButton programs with simple UI. + */ +public class PrintFromButtonGL2ES2 extends javax.swing.JFrame { + + private SimpleUniverse univ = null; + private BranchGroup scene = null; + private Raster drawRaster = null; + private OffScreenCanvas3D offScreenCanvas = null; + + public BranchGroup createSceneGraph() { + // Create the root of the branch graph + BranchGroup objRoot = new BranchGroup(); + + // trans object has composited transformation matrix + Transform3D trans = new Transform3D(); + Transform3D rot = new Transform3D(); + + 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(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 raster + BufferedImage bImage = new BufferedImage(200, 200 , + BufferedImage.TYPE_3BYTE_BGR); + ImageComponent2D buffer = + new ImageComponent2D(ImageComponent.FORMAT_RGB, bImage, true, true); + buffer.setCapability(ImageComponent2D.ALLOW_IMAGE_READ); + + 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); + 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. + 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 PrintFromButton + */ + public PrintFromButtonGL2ES2() { + // Initialize the GUI components + JPopupMenu.setDefaultLightWeightPopupEnabled(false); + 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 + offScreenCanvas = createOffScreenCanvas(); + + // set the offscreen to match the onscreen + 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 view = univ.getViewer().getView(); + view.addCanvas3D(offScreenCanvas); + + univ.addBranchGraph(scene); + } + + // ---------------------------------------------------------------- + + /** 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. + */ + // //GEN-BEGIN:initComponents + private void initComponents() { + java.awt.GridBagConstraints gridBagConstraints; + + guiPanel = new javax.swing.JPanel(); + myButton = new javax.swing.JButton(); + drawingPanel = new javax.swing.JPanel(); + jMenuBar1 = new javax.swing.JMenuBar(); + fileMenu = new javax.swing.JMenu(); + exitMenuItem = new javax.swing.JMenuItem(); + + setDefaultCloseOperation(javax.swing.WindowConstants.EXIT_ON_CLOSE); + setTitle("Window Title"); + guiPanel.setLayout(new java.awt.GridBagLayout()); + + myButton.setText("Print"); + myButton.addActionListener(new java.awt.event.ActionListener() { + public void actionPerformed(java.awt.event.ActionEvent evt) { + myButtonActionPerformed(evt); + } + }); + + gridBagConstraints = new java.awt.GridBagConstraints(); + gridBagConstraints.fill = java.awt.GridBagConstraints.HORIZONTAL; + gridBagConstraints.insets = new java.awt.Insets(4, 4, 4, 4); + guiPanel.add(myButton, gridBagConstraints); + + getContentPane().add(guiPanel, java.awt.BorderLayout.NORTH); + + drawingPanel.setLayout(new java.awt.BorderLayout()); + + drawingPanel.setPreferredSize(new java.awt.Dimension(500, 500)); + getContentPane().add(drawingPanel, java.awt.BorderLayout.CENTER); + + fileMenu.setText("File"); + exitMenuItem.setText("Exit"); + exitMenuItem.addActionListener(new java.awt.event.ActionListener() { + public void actionPerformed(java.awt.event.ActionEvent evt) { + exitMenuItemActionPerformed(evt); + } + }); + + fileMenu.add(exitMenuItem); + + jMenuBar1.add(fileMenu); + + setJMenuBar(jMenuBar1); + + pack(); + }// //GEN-END:initComponents + + private void myButtonActionPerformed(java.awt.event.ActionEvent evt) {//GEN-FIRST:event_myButtonActionPerformed + offScreenCanvas.print(false); + + ImageIcon ic = new ImageIcon(offScreenCanvas.getOffScreenBuffer().getImage()); + JFrame f = new JFrame("Output"); + f.getContentPane().add(new JLabel(ic) ); + f.setSize(200, 200); + f.setVisible(true); + + + }//GEN-LAST:event_myButtonActionPerformed + + private void exitMenuItemActionPerformed(java.awt.event.ActionEvent evt) {//GEN-FIRST:event_exitMenuItemActionPerformed + System.exit(0); + }//GEN-LAST:event_exitMenuItemActionPerformed + + /** + * @param args the command line arguments + */ + public static void main(String args[]) {System.setProperty("sun.awt.noerasebackground", "true"); + java.awt.EventQueue.invokeLater(new Runnable() { + public void run() { + new PrintFromButtonGL2ES2().setVisible(true); + } + }); + } + + // Variables declaration - do not modify//GEN-BEGIN:variables + private javax.swing.JPanel drawingPanel; + private javax.swing.JMenuItem exitMenuItem; + private javax.swing.JMenu fileMenu; + private javax.swing.JPanel guiPanel; + private javax.swing.JMenuBar jMenuBar1; + private javax.swing.JButton myButton; + // End of variables declaration//GEN-END:variables + +} -- cgit v1.2.3