Application: gvSIG desktop

* Revision 1.6  2007-04-04 15:41:05  jaume

* *** empty log message ***

*

* Revision 1.5  2007/04/02 16:34:56  jaume

import java.awt.Color;

import java.awt.Dimension;

import java.awt.Point;

import java.awt.geom.AffineTransform;

import java.awt.geom.Point2D;

import com.iver.cit.gvsig.fmap.Messages;

	private Point2D markerPoint = new Point2D.Double();

	public Point2D getMarkerPoint() {

		return markerPoint;

	}

	public void setMarkerPoint(Point2D p) throws IllegalArgumentException {

		if (p.getX()<0 || p.getX()>1)

			throw new IllegalArgumentException("X must be >=0 and <=1 ("+p.getX()+")");

		if (p.getY()<0 || p.getY()>1)

			throw new IllegalArgumentException("Y must be >=0 and <=1 ("+p.getY()+")");

		// the marker represents the point labeled in relative percent units

		this.markerPoint = p;

	}

	public void drawOutline(Graphics2D g, Rectangle r) {

		super.drawOutline(g, r);

		Rectangle labelSz = getBounds();

		double ratioLabel = labelSz.getWidth()/labelSz.getHeight();

		double ratioViewPort = r.getWidth() / r.getWidth();

		int x;

		int y;

		if (ratioViewPort > ratioLabel) {

			// size is defined by the viewport height

			y = (int) (r.height*markerPoint.getY());

			x = (int) ((0.5*r.width) - (0.5-markerPoint.getX())*(ratioLabel*r.height));

		} else {

			// size is defined by the viewport width

			x = (int) (r.width * markerPoint.getX());

			y = (int) ((0.5 * r.height) - (0.5-markerPoint.getY())*(r.width/ratioLabel));

		}

		y = r.height - y;

		int size = 3;

		g.setColor(Color.RED);

		g.fillOval(x, y, size, size);

		g.drawString(Messages.getString("labeled_point"), x + size + 5, y);

	}

	public Dimension getPreferredSize() {

		return new Dimension(getBounds().width, getBounds().height);

	}