public Rectangle2D.Double layout(
CompositeFigure compositeFigure, Point2D.Double anchor, Point2D.Double lead) {
Rectangle2D.Double bounds = null;
for (Figure child : compositeFigure.getChildren()) {
Locator locator = getLocator(child);
Rectangle2D.Double r;
if (locator == null) {
r = child.getBounds();
} else {
Point2D.Double p = locator.locate(compositeFigure, child);
Dimension2DDouble d = child.getPreferredSize();
r = new Rectangle2D.Double(p.x, p.y, d.width, d.height);
}
child.willChange();
child.setBounds(
new Point2D.Double(r.getMinX(), r.getMinY()),
new Point2D.Double(r.getMaxX(), r.getMaxY()));
child.changed();
if (!r.isEmpty()) {
if (bounds == null) {
bounds = r;
} else {
bounds.add(r);
}
}
}
return (bounds == null) ? new Rectangle2D.Double() : bounds;
}
public Rectangle2D.Double calculateLayout(
CompositeFigure compositeFigure, Point2D.Double anchor, Point2D.Double lead) {
Rectangle2D.Double bounds = null;
for (Figure child : compositeFigure.getChildren()) {
Locator locator = getLocator(child);
Rectangle2D.Double r;
if (locator == null) {
r = child.getBounds();
} else {
Point2D.Double p = locator.locate(compositeFigure);
Dimension2DDouble d = child.getPreferredSize();
r = new Rectangle2D.Double(p.x, p.y, d.width, d.height);
}
if (!r.isEmpty()) {
if (bounds == null) {
bounds = r;
} else {
bounds.add(r);
}
}
}
return (bounds == null) ? new Rectangle2D.Double() : bounds;
}
public java.util.List<Figure> findFiguresWithin(Rectangle2D.Double bounds) {
LinkedList<Figure> contained = new LinkedList<Figure>();
for (Figure f : children) {
Rectangle2D r = f.getBounds();
if (AttributeKeys.TRANSFORM.get(f) != null) {
r = AttributeKeys.TRANSFORM.get(f).createTransformedShape(r).getBounds2D();
}
if (f.isVisible() && bounds.contains(r)) {
contained.add(f);
}
}
return contained;
}
/**
* All other write methods delegate their work to here.
*/
public void write(OutputStream out, java.util.List<Figure> figures) throws IOException {
Rectangle2D.Double drawingRect = null;
for (Figure f : figures) {
if (drawingRect == null) {
drawingRect = f.getBounds();
} else {
drawingRect.add(f.getBounds());
}
}
AffineTransform drawingTransform = new AffineTransform();
drawingTransform.translate(
-Math.min(0, drawingRect.x),
-Math.min(0, drawingRect.y)
);
write(out, figures, drawingTransform,
new Dimension(
(int) (Math.abs(drawingRect.x) + drawingRect.width),
(int) (Math.abs(drawingRect.y) + drawingRect.height))
);
}