org.simantics.district.network.ui/src/org/simantics/district/network/ui/nodes/DistrictNetworkNodeUtils.java

   1 package org.simantics.district.network.ui.nodes;
   2
   3 import java.awt.geom.AffineTransform;
   4 import java.awt.geom.Point2D;
   5 import java.awt.geom.Rectangle2D;
   6
   7 import org.simantics.district.network.ModelledCRS;
   8
   9 public class DistrictNetworkNodeUtils {
  10
  11     public static Rectangle2D calculateDrawnGeometry(Point2D p, Rectangle2D margin, Rectangle2D result, double scaleRecip) {
  12         if (result == null)
  13             result = new Rectangle2D.Double();
  14         double mw = margin.getWidth();
  15         double mh = margin.getHeight();
  16         result.setFrame(p.getX() - (mw / 2 * scaleRecip), p.getY() - (mh / 2 * scaleRecip), mw * scaleRecip, mh * scaleRecip);
  17         return result;
  18     }
  19
  20     public static Point2D calculatePoint2D(Point2D point, Point2D result) {
  21         double x = ModelledCRS.longitudeToX(point.getX());
  22         double y = ModelledCRS.latitudeToY(-point.getY()); // Inverse because Simantics Diagram is inverted
  23         if (result == null)
  24             result = new Point2D.Double(x, y);
  25         else
  26             result.setLocation(x, y);
  27         return result;
  28     }
  29
  30     public static AffineTransform getTransformToRectangle(Rectangle2D toDraw, AffineTransform transform) {
  31         if (transform == null)
  32             transform = new AffineTransform();
  33
  34         transform.setTransform(toDraw.getWidth(), 0.0, 0.0, toDraw.getHeight(), toDraw.getCenterX(), toDraw.getCenterY());
  35         return transform;
  36     }
  37
  38 }