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/*
* Copyright (c) 2016, Metron, 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:
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* * Redistributions 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 Metron, Inc. nor the
* names of its contributors may be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL METRON, INC. BE LIABLE FOR ANY
* DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
package com.metsci.glimpse.swt.canvas;
import static com.metsci.glimpse.util.logging.LoggerUtils.logWarning;
import java.awt.Dimension;
import java.util.List;
import java.util.concurrent.CopyOnWriteArrayList;
import java.util.logging.Logger;
import javax.media.opengl.GL;
import javax.media.opengl.GLAutoDrawable;
import javax.media.opengl.GLCapabilities;
import javax.media.opengl.GLContext;
import javax.media.opengl.GLEventListener;
import javax.media.opengl.GLProfile;
import javax.media.opengl.GLRunnable;
import org.eclipse.swt.events.DisposeEvent;
import org.eclipse.swt.events.DisposeListener;
import org.eclipse.swt.layout.FillLayout;
import org.eclipse.swt.widgets.Composite;
import org.eclipse.swt.widgets.Shell;
import com.jogamp.newt.opengl.GLWindow;
import com.jogamp.newt.swt.NewtCanvasSWT;
import com.metsci.glimpse.canvas.LayoutManager;
import com.metsci.glimpse.canvas.NewtGlimpseCanvas;
import com.metsci.glimpse.canvas.NewtSwingGlimpseCanvas;
import com.metsci.glimpse.context.GlimpseBounds;
import com.metsci.glimpse.context.GlimpseContext;
import com.metsci.glimpse.context.GlimpseContextImpl;
import com.metsci.glimpse.context.GlimpseTarget;
import com.metsci.glimpse.context.GlimpseTargetStack;
import com.metsci.glimpse.event.mouse.newt.MouseWrapperNewt;
import com.metsci.glimpse.layout.GlimpseLayout;
import com.metsci.glimpse.painter.base.GlimpsePainter;
import com.metsci.glimpse.support.settings.LookAndFeel;
public class NewtSwtGlimpseCanvas extends Composite implements NewtGlimpseCanvas
{
private static final Logger logger = Logger.getLogger( NewtSwtGlimpseCanvas.class.getName( ) );
protected GLProfile glProfile;
protected GLCapabilities glCapabilities;
protected GLWindow glWindow;
protected NewtCanvasSWT glCanvas;
protected boolean isEventConsumer = true;
protected boolean isEventGenerator = true;
protected boolean isDestroyed = false;
protected LayoutManager layoutManager;
protected MouseWrapperNewt mouseHelper;
protected List disposeListeners;
protected Dimension dimension = new Dimension( 0, 0 );
public NewtSwtGlimpseCanvas( Composite parent, GLProfile profile, int options )
{
super( parent, options );
init( parent, profile, null, options );
}
public NewtSwtGlimpseCanvas( Composite parent, GLContext context, int options )
{
super( parent, options );
init( parent, context.getGLDrawable( ).getGLProfile( ), context, options );
}
/**
* @deprecated Use {@link #NewtSwtGlimpseCanvas(Composite, GLContext, int)} instead. The context implicitly provides a GLProfile.
*/
@Deprecated
public NewtSwtGlimpseCanvas( Composite parent, GLProfile glProfile, GLContext context, int options )
{
super( parent, options );
init( parent, glProfile, context, options );
}
/**
* @deprecated Use {@link #NewtSwtGlimpseCanvas(Composite, GLContext, int)} instead. The context implicitly provides a GLProfile.
*/
@Deprecated
public NewtSwtGlimpseCanvas( Composite parent, String profile, GLContext context, int options )
{
this( parent, GLProfile.get( profile ), context, options );
}
public void init( Composite parent, GLProfile glProfile, GLContext context, int options )
{
this.glProfile = glProfile;
this.glCapabilities = new GLCapabilities( glProfile );
this.glWindow = GLWindow.create( glCapabilities );
if ( context != null ) this.glWindow.setSharedContext( context );
this.glWindow.addGLEventListener( createGLEventListener( ) );
FillLayout layout = new FillLayout( );
this.setLayout( layout );
this.glCanvas = new NewtCanvasSWT( this, options, glWindow )
{
@Override
public void setBounds( int x, int y, int width, int height )
{
//do not allow a size of 0,0, because NEWT window becomes invisible
super.setBounds( x, y, Math.max( 1, width ), Math.max( 1, height ) );
}
};
this.glWindow.addGLEventListener( createGLEventListener( ) );
this.layoutManager = new LayoutManager( );
this.mouseHelper = new MouseWrapperNewt( this );
this.glWindow.addMouseListener( this.mouseHelper );
this.isDestroyed = false;
this.disposeListeners = new CopyOnWriteArrayList( );
}
public void addDisposeListener( final Shell shell, final GLAutoDrawable sharedContextSource )
{
// Removing the canvas from the frame may prevent X11 errors (see http://tinyurl.com/m4rnuvf)
// This listener must be added before adding the SwingGlimpseCanvas to
// the frame because NEWTGLCanvas adds its own WindowListener and this WindowListener must
// receive the WindowEvent first.
shell.addDisposeListener( new DisposeListener( )
{
@Override
public void widgetDisposed( DisposeEvent e )
{
// dispose of resources associated with the canvas
disposeAttached( );
// destroy the source of the shared glContext
sharedContextSource.destroy( );
}
} );
}
private GLEventListener createGLEventListener( )
{
return new GLEventListener( )
{
@Override
public void init( GLAutoDrawable drawable )
{
try
{
GL gl = drawable.getGL( );
gl.setSwapInterval( 0 );
}
catch ( Exception e )
{
// without this, repaint rate is tied to screen refresh rate on some systems
// this doesn't work on some machines (Mac OSX in particular)
// but it's not a big deal if it fails
logWarning( logger, "Trouble in init.", e );
}
}
@Override
public void display( GLAutoDrawable drawable )
{
for ( GlimpseLayout layout : layoutManager.getLayoutList( ) )
{
layout.paintTo( getGlimpseContext( ) );
}
}
@Override
public void reshape( GLAutoDrawable drawable, int x, int y, int width, int height )
{
int[] scale = getSurfaceScale( );
dimension = new Dimension( width / scale[0], height / scale[1] );
for ( GlimpseLayout layout : layoutManager.getLayoutList( ) )
{
layout.layoutTo( getGlimpseContext( ) );
}
}
@Override
public void dispose( GLAutoDrawable drawable )
{
for ( GLRunnable runnable : disposeListeners )
{
runnable.run( drawable );
}
}
};
}
public NewtCanvasSWT getCanvas( )
{
return glCanvas;
}
@Override
public GLProfile getGLProfile( )
{
return this.glProfile;
}
@Override
public GLAutoDrawable getGLDrawable( )
{
return glWindow;
}
@Override
public GLWindow getGLWindow( )
{
return glWindow;
}
@Override
public GlimpseContext getGlimpseContext( )
{
return new GlimpseContextImpl( this );
}
@Override
public void setLookAndFeel( LookAndFeel laf )
{
for ( GlimpseTarget target : this.layoutManager.getLayoutList( ) )
{
target.setLookAndFeel( laf );
}
}
@Override
public void addLayout( GlimpseLayout layout )
{
this.layoutManager.addLayout( layout );
}
@Override
public void addLayout( GlimpseLayout layout, int zOrder )
{
this.layoutManager.addLayout( layout, zOrder );
}
@Override
public void setZOrder( GlimpseLayout layout, int zOrder )
{
this.layoutManager.setZOrder( layout, zOrder );
}
@Override
public void removeLayout( GlimpseLayout layout )
{
this.layoutManager.removeLayout( layout );
}
@Override
public void removeAllLayouts( )
{
this.layoutManager.removeAllLayouts( );
}
@SuppressWarnings( { "unchecked", "rawtypes" } )
@Override
public List getTargetChildren( )
{
// layoutManager returns an unmodifiable list, thus this cast is typesafe
// (there is no way for the recipient of the List view to
// add GlimpseTargets which are not GlimpseLayouts to the list)
return ( List ) this.layoutManager.getLayoutList( );
}
public Dimension getDimension( )
{
return dimension;
}
@Override
public GlimpseBounds getTargetBounds( GlimpseTargetStack stack )
{
return new GlimpseBounds( getDimension( ) );
}
@Override
public GlimpseBounds getTargetBounds( )
{
return getTargetBounds( null );
}
@Override
public void paint( )
{
this.glWindow.display( );
}
@Override
public GLContext getGLContext( )
{
return this.glWindow.getContext( );
}
@Override
public String toString( )
{
return NewtSwingGlimpseCanvas.class.getSimpleName( );
}
@Override
public boolean isEventConsumer( )
{
return this.isEventConsumer;
}
@Override
public void setEventConsumer( boolean consume )
{
this.isEventConsumer = consume;
}
@Override
public boolean isEventGenerator( )
{
return this.isEventGenerator;
}
@Override
public void setEventGenerator( boolean generate )
{
this.isEventGenerator = generate;
}
@Override
public boolean isDestroyed( )
{
return this.isDestroyed;
}
@Override
public void destroy( )
{
if ( !this.isDestroyed )
{
if ( this.glWindow != null ) this.glWindow.destroy( ); // dispose NEWT Window
super.dispose( ); // dispose SWT Container
this.isDestroyed = true;
}
}
@Override
public void addDisposeListener( GLRunnable runnable )
{
this.disposeListeners.add( runnable );
}
@Override
public void dispose( )
{
disposeAttached( );
destroy( );
}
@Override
public void disposeAttached( )
{
this.getGLDrawable( ).invoke( false, new GLRunnable( )
{
@Override
public boolean run( GLAutoDrawable drawable )
{
for ( GlimpseLayout layout : layoutManager.getLayoutList( ) )
{
layout.dispose( getGlimpseContext( ) );
}
// after layouts are disposed they should not be painted
// so remove them from the canvas
removeAllLayouts( );
return true;
}
} );
}
@Override
public void disposePainter( final GlimpsePainter painter )
{
this.getGLDrawable( ).invoke( false, new GLRunnable( )
{
@Override
public boolean run( GLAutoDrawable drawable )
{
painter.dispose( getGlimpseContext( ) );
return true;
}
} );
}
@Override
public int[] getSurfaceScale( )
{
return glWindow.getNativeSurfaceScale( new int[2] );
}
}
