Program: 72581
Project: 72581
Buggy source:
/** 
 * Renders the Chart Title Block
 * @param ipr The Primitive Renderer of a Device Renderer
 * @param b The TitleBlock to render
 * @throws ChartException
 */
public void renderTitle(IPrimitiveRenderer ipr,TitleBlock b) throws ChartException {
  TextAlignment restoreValue=b.getLabel().getCaption().getFont().getAlignment();
  b.getLabel().getCaption().getFont().setAlignment(switchTextAlignment(restoreValue));
  renderLabel(ipr,b,StructureSource.createTitle(b));
  b.getLabel().getCaption().getFont().setAlignment(restoreValue);
  if (isInteractivityEnabled()) {
    Trigger tg;
    EList elTriggers=b.getTriggers();
    Location[] loaHotspot=new Location[4];
    final double dScale=getDeviceScale();
    Bounds bo=b.getBounds().scaledInstance(dScale);
    double dLeft=bo.getLeft();
    double dTop=bo.getTop();
    double dWidth=bo.getWidth();
    double dHeight=bo.getHeight();
    loaHotspot[0]=LocationImpl.create(dLeft,dTop);
    loaHotspot[1]=LocationImpl.create(dLeft + dWidth,dTop);
    loaHotspot[2]=LocationImpl.create(dLeft + dWidth,dTop + dHeight);
    loaHotspot[3]=LocationImpl.create(dLeft,dTop + dHeight);
    if (!elTriggers.isEmpty()) {
      final InteractionEvent iev=(InteractionEvent)((EventObjectCache)ipr).getEventObject(StructureSource.createTitle(b),InteractionEvent.class);
      for (int t=0; t < elTriggers.size(); t++) {
        tg=TriggerImpl.copyInstance((Trigger)elTriggers.get(t));
        processTrigger(tg,StructureSource.createTitle(b));
        iev.addTrigger(tg);
      }
      final PolygonRenderEvent pre=(PolygonRenderEvent)((EventObjectCache)ipr).getEventObject(StructureSource.createTitle(b),PolygonRenderEvent.class);
      pre.setPoints(loaHotspot);
      iev.setHotSpot(pre);
      ipr.enableInteraction(iev);
    }
  }
}

Fixed version (ground truth):
/** 
 * Renders the Chart Title Block
 * @param ipr The Primitive Renderer of a Device Renderer
 * @param b The TitleBlock to render
 * @throws ChartException
 */
public void renderTitle(IPrimitiveRenderer ipr,TitleBlock b) throws ChartException {
  TextAlignment restoreValue=b.getLabel().getCaption().getFont().getAlignment();
  b.getLabel().getCaption().getFont().setAlignment(switchTextAlignment(restoreValue));
  double dWrapping=0;
  EObject container=b.eContainer();
  if (container instanceof Block) {
    dWrapping=((Block)container).getBounds().getWidth() / 72 * xs.getDpiResolution();
    final ITextMetrics itm=xs.getTextMetrics(b.getLabel());
    if (dWrapping > 0) {
      itm.reuse(b.getLabel(),dWrapping);
    }
  }
  renderLabel(ipr,b,StructureSource.createTitle(b));
  b.getLabel().getCaption().getFont().setAlignment(restoreValue);
  if (isInteractivityEnabled()) {
    Trigger tg;
    EList elTriggers=b.getTriggers();
    Location[] loaHotspot=new Location[4];
    final double dScale=getDeviceScale();
    Bounds bo=b.getBounds().scaledInstance(dScale);
    double dLeft=bo.getLeft();
    double dTop=bo.getTop();
    double dWidth=bo.getWidth();
    double dHeight=bo.getHeight();
    loaHotspot[0]=LocationImpl.create(dLeft,dTop);
    loaHotspot[1]=LocationImpl.create(dLeft + dWidth,dTop);
    loaHotspot[2]=LocationImpl.create(dLeft + dWidth,dTop + dHeight);
    loaHotspot[3]=LocationImpl.create(dLeft,dTop + dHeight);
    if (!elTriggers.isEmpty()) {
      final InteractionEvent iev=(InteractionEvent)((EventObjectCache)ipr).getEventObject(StructureSource.createTitle(b),InteractionEvent.class);
      for (int t=0; t < elTriggers.size(); t++) {
        tg=TriggerImpl.copyInstance((Trigger)elTriggers.get(t));
        processTrigger(tg,StructureSource.createTitle(b));
        iev.addTrigger(tg);
      }
      final PolygonRenderEvent pre=(PolygonRenderEvent)((EventObjectCache)ipr).getEventObject(StructureSource.createTitle(b),PolygonRenderEvent.class);
      pre.setPoints(loaHotspot);
      iev.setHotSpot(pre);
      ipr.enableInteraction(iev);
    }
  }
}