Bug 188283 Bubbles should be z-sorted by size in Bubble charts
Biggest bubbles should be drawn first so that there is no small bubble hidden by a bigger one.
chart/org.eclipse.birt.chart.engine/src/org/eclipse/birt/chart/render/DeferredCache.java
* Contributors:
 * Actuate Corporation - initial API and implementation
 ***********************************************************************/
package org.eclipse.birt.chart.render;
import java.util.ArrayList;
import java.util.Collections;
import java.util.List;
import org.eclipse.birt.chart.computation.Engine3D;
import org.eclipse.birt.chart.device.IDeviceRenderer;
import org.eclipse.birt.chart.event.I3DRenderEvent;
import org.eclipse.birt.chart.event.LineRenderEvent;
import org.eclipse.birt.chart.event.MarkerInstruction;
import org.eclipse.birt.chart.event.PrimitiveRenderEvent;
import org.eclipse.birt.chart.event.TextRenderEvent;
import org.eclipse.birt.chart.event.WrappedInstruction;
import org.eclipse.birt.chart.exception.ChartException;
import org.eclipse.birt.chart.log.ILogger;
import org.eclipse.birt.chart.log.Logger;
import org.eclipse.birt.chart.model.Chart;
import org.eclipse.birt.chart.model.ChartWithAxes;
/**
 * This class implements deferred rendering capability for chart.
 */
public final class DeferredCache
{
	public static final int FLUSH_PLANE = 1;
	public static final int FLUSH_LINE = 2;
	public static final int FLUSH_MARKER = 2 << 1;
	public static final int FLUSH_LABLE = 2 << 2;
	public static final int FLUSH_3D = 2 << 3;