diff options
Diffstat (limited to 'src/jogl/classes/com/sun/opengl/util/awt')
| -rw-r--r-- | src/jogl/classes/com/sun/opengl/util/awt/AWTAnimatorImpl.java | 163 |
1 files changed, 163 insertions, 0 deletions
diff --git a/src/jogl/classes/com/sun/opengl/util/awt/AWTAnimatorImpl.java b/src/jogl/classes/com/sun/opengl/util/awt/AWTAnimatorImpl.java new file mode 100644 index 000000000..9809e44d2 --- /dev/null +++ b/src/jogl/classes/com/sun/opengl/util/awt/AWTAnimatorImpl.java @@ -0,0 +1,163 @@ +/* + * Copyright (c) 2008 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. + */ + +package com.sun.opengl.util; + +import java.awt.Component; +import java.awt.EventQueue; +import java.awt.Rectangle; +import java.util.*; +import javax.swing.*; + +import javax.media.opengl.*; + +/** Abstraction to factor out AWT dependencies from the Animator's + implementation in a way that still allows the FPSAnimator to pick + up this behavior if desired. */ + +class AWTAnimatorImpl extends AnimatorImpl { + // For efficient rendering of Swing components, in particular when + // they overlap one another + private List lightweights = new ArrayList(); + private Map repaintManagers = new IdentityHashMap(); + private Map dirtyRegions = new IdentityHashMap(); + + public void display(Animator animator, + boolean ignoreExceptions, + boolean printExceptions) { + Iterator iter = animator.drawableIterator(); + while (iter.hasNext()) { + GLAutoDrawable drawable = (GLAutoDrawable) iter.next(); + if (drawable instanceof JComponent) { + // Lightweight components need a more efficient drawing + // scheme than simply forcing repainting of each one in + // turn since drawing one can force another one to be + // drawn in turn + lightweights.add(drawable); + } else { + try { + drawable.display(); + } catch (RuntimeException e) { + if (ignoreExceptions) { + if (printExceptions) { + e.printStackTrace(); + } + } else { + throw(e); + } + } + } + } + if (lightweights.size() > 0) { + try { + SwingUtilities.invokeAndWait(drawWithRepaintManagerRunnable); + } catch (Exception e) { + e.printStackTrace(); + } + lightweights.clear(); + } + } + + // Uses RepaintManager APIs to implement more efficient redrawing of + // the Swing widgets we're animating + private Runnable drawWithRepaintManagerRunnable = new Runnable() { + public void run() { + for (Iterator iter = lightweights.iterator(); iter.hasNext(); ) { + JComponent comp = (JComponent) iter.next(); + RepaintManager rm = RepaintManager.currentManager(comp); + rm.markCompletelyDirty(comp); + repaintManagers.put(rm, rm); + + // RepaintManagers don't currently optimize the case of + // overlapping sibling components. If we have two + // JInternalFrames in a JDesktopPane, the redraw of the + // bottom one will cause the top one to be redrawn as + // well. The top one will then be redrawn separately. In + // order to optimize this case we need to compute the union + // of all of the dirty regions on a particular JComponent if + // optimized drawing isn't enabled for it. + + // Walk up the hierarchy trying to find a non-optimizable + // ancestor + Rectangle visible = comp.getVisibleRect(); + int x = visible.x; + int y = visible.y; + while (comp != null) { + x += comp.getX(); + y += comp.getY(); + Component c = comp.getParent(); + if ((c == null) || (!(c instanceof JComponent))) { + comp = null; + } else { + comp = (JComponent) c; + if (!comp.isOptimizedDrawingEnabled()) { + rm = RepaintManager.currentManager(comp); + repaintManagers.put(rm, rm); + // Need to dirty this region + Rectangle dirty = (Rectangle) dirtyRegions.get(comp); + if (dirty == null) { + dirty = new Rectangle(x, y, visible.width, visible.height); + dirtyRegions.put(comp, dirty); + } else { + // Compute union with already dirty region + // Note we could compute multiple non-overlapping + // regions: might want to do that in the future + // (prob. need more complex algorithm -- dynamic + // programming?) + dirty.add(new Rectangle(x, y, visible.width, visible.height)); + } + } + } + } + } + + // Dirty any needed regions on non-optimizable components + for (Iterator iter = dirtyRegions.keySet().iterator(); iter.hasNext(); ) { + JComponent comp = (JComponent) iter.next(); + Rectangle rect = (Rectangle) dirtyRegions.get(comp); + RepaintManager rm = RepaintManager.currentManager(comp); + rm.addDirtyRegion(comp, rect.x, rect.y, rect.width, rect.height); + } + + // Draw all dirty regions + for (Iterator iter = repaintManagers.keySet().iterator(); iter.hasNext(); ) { + ((RepaintManager) iter.next()).paintDirtyRegions(); + } + dirtyRegions.clear(); + repaintManagers.clear(); + } + }; + + public boolean skipWaitForStop(Thread thread) { + return ((Thread.currentThread() == thread) || EventQueue.isDispatchThread()); + } +} |