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| public class XYLineRendererWorker extends SwingWorker<Boolean, XYLine> {
public XYLineRenderer renderer;
public Graphics2D g2;
public Rectangle2D parentBounds;
public Axis xAxis;
public Axis yAxis;
public ValueReader reader;
public XYLineRendererWorker(XYLineRenderer renderer, Graphics2D g2, Rectangle2D parentBounds, Axis xAxis, Axis yAxis, ValueReader reader) {
this.renderer = renderer;
this.g2 = g2;
this.parentBounds = parentBounds;
this.xAxis = xAxis;
this.yAxis = yAxis;
this.reader = reader;
}
/* (non-Javadoc)
* @see javax.swing.SwingWorker#doInBackground()
*/
@Override
protected Boolean doInBackground() throws Exception {
XYCurveView view = ((XYCurveView) renderer.getView());
XYCurveDouble curve = view.getCurve(reader);
if (view.isVisible().isTrue() && (curve.getCount()>0)){
//... calcul de la courbe à afficher
}
System.out.println("is finish.");
return true;
}
@Override
protected void process(List<XYLine> lines) {
int lastShapePtX = -Integer.MAX_VALUE;
renderer.initPaint(g2);
if (!lines.isEmpty()) {
XYLine line = lines.get(0);
lastShapePtX = drawShape(g2, lastShapePtX, line.x1, line.y1);
for (XYLine l: lines) {
if (Thread.currentThread().isInterrupted()) {
System.out.println("SW is interrupted.");
break;
}
g2.drawLine(l.x1, l.y1, l.x2, l.y2);
lastShapePtX = drawShape(g2, lastShapePtX, l.x2, l.y2);
}
}
}
private int drawShape(Graphics2D g2, int lastX, int x, int y){
...
}
/*
* (non-Javadoc)
* @see javax.swing.SwingWorker#done()
*/
@Override
public void done() {
System.out.println("is done.");
}
} |
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