X-Git-Url: https://gerrit.simantics.org/r/gitweb?a=blobdiff_plain;f=bundles%2Forg.simantics.scenegraph%2Fsrc%2Forg%2Fsimantics%2Fscenegraph%2Fg2d%2FAffineTransformFunctions.java;fp=bundles%2Forg.simantics.scenegraph%2Fsrc%2Forg%2Fsimantics%2Fscenegraph%2Fg2d%2FAffineTransformFunctions.java;h=40e58e94911428eb66ff7216d3ff72086146223d;hb=2b0fe692f116091f8d65da664174c92591a077b8;hp=0000000000000000000000000000000000000000;hpb=043ed4538f5bdc16d299bc40c2dd8285a3120f9b;p=simantics%2Fplatform.git

diff --git a/bundles/org.simantics.scenegraph/src/org/simantics/scenegraph/g2d/AffineTransformFunctions.java b/bundles/org.simantics.scenegraph/src/org/simantics/scenegraph/g2d/AffineTransformFunctions.java
new file mode 100644
index 000000000..40e58e949
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+++ b/bundles/org.simantics.scenegraph/src/org/simantics/scenegraph/g2d/AffineTransformFunctions.java
@@ -0,0 +1,38 @@
+/*******************************************************************************
+ * Copyright (c) 2017 Association for Decentralized Information Management
+ * in Industry THTH ry.
+ * All rights reserved. This program and the accompanying materials
+ * are made available under the terms of the Eclipse Public License v1.0
+ * which accompanies this distribution, and is available at
+ * http://www.eclipse.org/legal/epl-v10.html
+ *
+ * Contributors:
+ *     Semantum Oy - initial API and implementation
+ *******************************************************************************/
+package org.simantics.scenegraph.g2d;
+
+import java.awt.geom.AffineTransform;
+import java.awt.geom.NoninvertibleTransformException;
+import java.awt.geom.Point2D;
+
+import org.simantics.scl.runtime.tuple.Tuple2;
+
+/**
+ * @author Antti Villberg
+ * @since 1.29.0
+ */
+public class AffineTransformFunctions {
+
+	public static Tuple2 transform(AffineTransform transform, Tuple2 point) {
+		Point2D result = new Point2D.Double((Double) point.c0, (Double) point.c1);
+		transform.transform(result, result);
+		return new Tuple2(result.getX(), result.getY());
+	}
+
+	public static Tuple2 inverseTransform(AffineTransform transform, Tuple2 point) throws NoninvertibleTransformException {
+		Point2D result = new Point2D.Double((Double)point.c0, (Double)point.c1);
+		transform.inverseTransform(result, result);
+		return new Tuple2(result.getX(), result.getY());
+	}
+
+}