1 files changed, 0 insertions, 98 deletions
diff --git a/bundles/org.eclipse.compare/plugins/org.eclipse.compare/compare/org/eclipse/compare/internal/BufferedCanvas.java b/bundles/org.eclipse.compare/plugins/org.eclipse.compare/compare/org/eclipse/compare/internal/BufferedCanvas.java
deleted file mode 100644
index 79b34255d..000000000
--- a/bundles/org.eclipse.compare/plugins/org.eclipse.compare/compare/org/eclipse/compare/internal/BufferedCanvas.java
+++ /dev/null
@@ -1,98 +0,0 @@
-/*******************************************************************************
- * Copyright (c) 2000, 2003 IBM Corporation and others.
- * All rights reserved. This program and the accompanying materials 
- * are made available under the terms of the Common Public License v1.0
- * which accompanies this distribution, and is available at
- * http://www.eclipse.org/legal/cpl-v10.html
- * 
- * Contributors:
- *     IBM Corporation - initial API and implementation
- *******************************************************************************/
-package org.eclipse.compare.internal;
-
-import org.eclipse.swt.*;
-import org.eclipse.swt.widgets.*;
-import org.eclipse.swt.graphics.*;
-import org.eclipse.swt.events.*;
-
-/**
- * A Canvas which reduces flicker by drawing in an off screen buffer.
- */
-public abstract class BufferedCanvas extends Canvas {
-
-	//private static final boolean USE_DOUBLE_BUFFER= !"carbon".equals(SWT.getPlatform()); //$NON-NLS-1$
-	private static final boolean USE_DOUBLE_BUFFER= true;
-	
-	/** The drawable for double buffering */
-	Image fBuffer;
-
-	public BufferedCanvas(Composite parent, int flags) {
-		super(parent, flags + SWT.NO_BACKGROUND);
-
-		addPaintListener(
-			new PaintListener() {
-				public void paintControl(PaintEvent event) {
-					doubleBufferPaint(event.gc);
-				}
-			}
-		);
-
-		addDisposeListener(
-			new DisposeListener() {
-				public void widgetDisposed(DisposeEvent e) {
-					if (fBuffer != null) {
-						fBuffer.dispose();
-						fBuffer= null;
-					}
-				}
-			}
-		);
-	}
-
-	public void repaint() {
-		if (!isDisposed()) {
-			GC gc= new GC(this);
-			doubleBufferPaint(gc);
-			gc.dispose();
-		}
-	}
-
-	/**
-	 * Double buffer drawing.
-	 */
-	void doubleBufferPaint(GC dest) {
-		
-		if (!USE_DOUBLE_BUFFER) {
-			doPaint(dest);
-			return;
-		}
-
-		Point size= getSize();
-
-		if (size.x <= 1 || size.y <= 1) // we test for <= 1 because on X11 controls have initial size 1,1
-			return;
-
-		if (fBuffer != null) {
-			Rectangle r= fBuffer.getBounds();
-			if (r.width != size.x || r.height != size.y) {
-				fBuffer.dispose();
-				fBuffer= null;
-			}
-		}
-		if (fBuffer == null)
-			fBuffer= new Image(getDisplay(), size.x, size.y);
-
-		GC gc= new GC(fBuffer);
-		try {
-			gc.setBackground(getBackground());
-			gc.fillRectangle(0, 0, size.x, size.y);
-			doPaint(gc);
-		} finally {
-			gc.dispose();
-		}
-
-		dest.drawImage(fBuffer, 0, 0);
-	}
-
-	abstract public void doPaint(GC gc);
-}