Migrated source code from Simantics SVN

[simantics/platform.git] / bundles / org.simantics.scenegraph / src / org / simantics / scenegraph / utils / CompoundStroke.java

diff --git a/bundles/org.simantics.scenegraph/src/org/simantics/scenegraph/utils/CompoundStroke.java b/bundles/org.simantics.scenegraph/src/org/simantics/scenegraph/utils/CompoundStroke.java
new file mode 100644 (file)
index 0000000..3f7c7e4
--- /dev/null
+++ b/bundles/org.simantics.scenegraph/src/org/simantics/scenegraph/utils/CompoundStroke.java
@@ -0,0 +1,61 @@
+/*
+Copyright 2006 Jerry Huxtable
+
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+   http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+ */
+
+package org.simantics.scenegraph.utils;
+
+import java.awt.Shape;
+import java.awt.Stroke;
+import java.awt.geom.Area;
+
+/**
+ * Taken from http://www.jhlabs.com/java/java2d/strokes/
+ */
+public class CompoundStroke implements Stroke {
+    public final static int ADD = 0;
+    public final static int SUBTRACT = 1;
+    public final static int INTERSECT = 2;
+    public final static int DIFFERENCE = 3;
+
+    private final Stroke stroke1, stroke2;
+    private final int operation;
+
+    public CompoundStroke( Stroke stroke1, Stroke stroke2, int operation ) {
+        this.stroke1 = stroke1;
+        this.stroke2 = stroke2;
+        this.operation = operation;
+    }
+
+    @Override
+    public Shape createStrokedShape( Shape shape ) {
+        Area area1 = new Area( stroke1.createStrokedShape( shape ) );
+        Area area2 = new Area( stroke2.createStrokedShape( shape ) );
+        switch ( operation ) {
+            case ADD:
+                area1.add( area2 );
+                break;
+            case SUBTRACT:
+                area1.subtract( area2 );
+                break;
+            case INTERSECT:
+                area1.intersect( area2 );
+                break;
+            case DIFFERENCE:
+                area1.exclusiveOr( area2 );
+                break;
+        }
+        return area1;
+    }
+}