[477750] Fix ThumbnailUpdater did not properly handle offset figures.

Ensured that the tileGraphics is translated by the scaled source figure
location instead of the unscaled one.

org.eclipse.draw2d/src/org/eclipse/draw2d/parts/Thumbnail.java

@@ -178,7 +178,8 @@ public void run() {
 			// image and copying from it into the thumbnail image, we are safe.
 			org.eclipse.draw2d.geometry.Point p = getSourceRectangle()
 					.getLocation();
-			tileGraphics.translate(-p.x - sx1, -p.y - sy1);
+			tileGraphics.translate(-p.x * getScaleX() - sx1, -p.y * getScaleY()
+					- sy1);
 			tileGraphics.scale(getScaleX());
 			sourceFigure.paint(tileGraphics);
 			tileGraphics.popState();