org.eclipse.birt.chart.render
Class DeferredCacheManager

java.lang.Object
  org.eclipse.birt.chart.render.DeferredCacheManager

public final class DeferredCacheManager
extends java.lang.Object

The class is used to manage runtime DeferredCache of series, it assures the correct painting z-order of series for 2D case.

Since:

2.2.1

Constructor Summary

DeferredCacheManager(IDeviceRenderer idr, Chart chart)
Constructor of the class.

Method Summary

void	clearDC() Clear all DeferredCache instances.
DeferredCache	createDeferredCache(BaseRenderer br) Create DeferredCache instance for current series.
void	flushAll() Flush all DeferredCache in the mananger.
void	flushOptions(int options) Flush specified blocks.
DeferredCache	getFirstDeferredCache() Returns first DeferredCache instance.
DeferredCache	getLastDeferredCache() Returns last DeferredCache instance.
void	getMarkersNLabels(java.util.List<IRenderInstruction> allMarkers, java.util.List<TextRenderEvent> allLabels) Get markers and labels from all caches.
void	process3DEvent(DeferredCache deferredCache, Engine3D engine, double xOffset, double yOffset) Pre-process all the 3D rendering events.

Methods inherited from class java.lang.Object

equals, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

DeferredCacheManager

public DeferredCacheManager(IDeviceRenderer idr,
                            Chart chart)

Constructor of the class.

Parameters:

idr - specified device renderer.

chart - specified chart instance.

Method Detail

createDeferredCache

public DeferredCache createDeferredCache(BaseRenderer br)

Create DeferredCache instance for current series.

Parameters:

br - current renderer.

Returns:

instance of DeferredCache

flushAll

public void flushAll()
              throws ChartException

Flush all DeferredCache in the mananger.

Throws:

ChartException

flushOptions

public void flushOptions(int options)
                  throws ChartException

Flush specified blocks.

Parameters:

options -

Throws:

ChartException

getMarkersNLabels

public void getMarkersNLabels(java.util.List<IRenderInstruction> allMarkers,
                              java.util.List<TextRenderEvent> allLabels)

Get markers and labels from all caches.

Parameters:

allMarkers -

allLabels -

clearDC

public void clearDC()

Clear all DeferredCache instances.

getFirstDeferredCache

public DeferredCache getFirstDeferredCache()

Returns first DeferredCache instance.

Returns:

first DeferredCache instance.

getLastDeferredCache

public DeferredCache getLastDeferredCache()

Returns last DeferredCache instance.

Returns:

last DeferredCache instance.

process3DEvent

public void process3DEvent(DeferredCache deferredCache,
                           Engine3D engine,
                           double xOffset,
                           double yOffset)

Pre-process all the 3D rendering events. This must be called before flushAll().

Parameters:

deferredCache - specified deferred cache instance.

engine -

xOffset -

yOffset -

Since:

2.3