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/**
* Date: Mar 9, 2003
* Time: 1:43:29 PM
*
* $Id: G2OpStore.java,v 1.4 2004/11/21 16:29:31 taqua Exp $
*/
package org.jfree.pixie.g2recorder;
import java.awt.Graphics2D;
import java.awt.geom.Rectangle2D;
import java.util.ArrayList;
import java.util.Hashtable;
import org.jfree.ui.Drawable;
public class G2OpStore implements Drawable
{
private static class StoreCarrier
{
private G2Recorder source;
private G2Operation op;
public StoreCarrier (final G2Recorder source, final G2Operation op)
{
if (source == null)
{
throw new NullPointerException();
}
if (op == null)
{
throw new NullPointerException();
}
this.source = source;
this.op = op;
}
public G2Recorder getSource ()
{
return source;
}
public G2Operation getOp ()
{
return op;
}
}
private ArrayList store;
public G2OpStore ()
{
store = new ArrayList();
}
public void addOperation (final G2Recorder source, final G2Operation operation)
{
store.add(new StoreCarrier(source, operation));
}
public void draw (final Graphics2D graphics, final Rectangle2D bounds)
{
final Hashtable usedGraphics = new Hashtable();
final StoreCarrier[] scs = (StoreCarrier[]) store.toArray(new StoreCarrier[store.size()]);
// the bounds are ignored ... we assume, that clipping is enabled by the caller..
for (int i = 0; i < scs.length; i++)
{
final StoreCarrier sc = scs[i];
final G2Recorder g2r = sc.getSource();
Graphics2D g2 = (Graphics2D) usedGraphics.get(g2r);
if (g2 == null)
{
g2 = (Graphics2D) graphics.create();
usedGraphics.put(g2r, g2);
}
sc.getOp().draw(g2);
}
}
}
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