bundles/org.simantics.scenegraph/src/org/simantics/scenegraph/g2d/AffineTransformFunctions.java

   1 /*******************************************************************************
   2  * Copyright (c) 2017 Association for Decentralized Information Management
   3  * in Industry THTH ry.
   4  * All rights reserved. This program and the accompanying materials
   5  * are made available under the terms of the Eclipse Public License v1.0
   6  * which accompanies this distribution, and is available at
   7  * http://www.eclipse.org/legal/epl-v10.html
   8  *
   9  * Contributors:
  10  *     Semantum Oy - initial API and implementation
  11  *******************************************************************************/
  12 package org.simantics.scenegraph.g2d;
  13
  14 import java.awt.geom.AffineTransform;
  15 import java.awt.geom.NoninvertibleTransformException;
  16 import java.awt.geom.Point2D;
  17
  18 import org.simantics.scl.runtime.tuple.Tuple2;
  19
  20 /**
  21  * @author Antti Villberg
  22  * @since 1.29.0
  23  */
  24 public class AffineTransformFunctions {
  25
  26         public static Tuple2 transform(AffineTransform transform, Tuple2 point) {
  27                 Point2D result = new Point2D.Double((Double) point.c0, (Double) point.c1);
  28                 transform.transform(result, result);
  29                 return new Tuple2(result.getX(), result.getY());
  30         }
  31
  32         public static Tuple2 inverseTransform(AffineTransform transform, Tuple2 point) throws NoninvertibleTransformException {
  33                 Point2D result = new Point2D.Double((Double)point.c0, (Double)point.c1);
  34                 transform.inverseTransform(result, result);
  35                 return new Tuple2(result.getX(), result.getY());
  36         }
  37
  38 }