Migrated source code from Simantics SVN

[simantics/platform.git] / bundles / org.simantics.scenegraph / src / org / simantics / scenegraph / g2d / nodes / StateMaskNode.java

diff --git a/bundles/org.simantics.scenegraph/src/org/simantics/scenegraph/g2d/nodes/StateMaskNode.java b/bundles/org.simantics.scenegraph/src/org/simantics/scenegraph/g2d/nodes/StateMaskNode.java
new file mode 100644 (file)
index 0000000..223aed5
--- /dev/null
+++ b/bundles/org.simantics.scenegraph/src/org/simantics/scenegraph/g2d/nodes/StateMaskNode.java
@@ -0,0 +1,42 @@
+/*******************************************************************************\r
+ * Copyright (c) 2007, 2010 Association for Decentralized Information Management\r
+ * in Industry THTH ry.\r
+ * All rights reserved. This program and the accompanying materials\r
+ * are made available under the terms of the Eclipse Public License v1.0\r
+ * which accompanies this distribution, and is available at\r
+ * http://www.eclipse.org/legal/epl-v10.html\r
+ *\r
+ * Contributors:\r
+ *     VTT Technical Research Centre of Finland - initial API and implementation\r
+ *******************************************************************************/\r
+package org.simantics.scenegraph.g2d.nodes;\r
+\r
+import org.simantics.scenegraph.g2d.G2DNode;\r
+\r
+/**\r
+ * @author Tuukka Lehtonen\r
+ */\r
+public abstract class StateMaskNode extends G2DNode {\r
+\r
+    private static final long serialVersionUID = 5614241810541732707L;\r
+\r
+    protected static final byte IN_RENDER        = 1 << 0;\r
+    protected static final byte IN_GET_BOUNDS    = 1 << 1;\r
+\r
+    protected transient byte    flags            = 0;\r
+\r
+    protected boolean hasFlags(byte mask) {\r
+        return (flags & mask) != 0;\r
+    }\r
+\r
+    protected byte setFlags(byte mask) {\r
+        flags |= mask;\r
+        return flags;\r
+    }\r
+\r
+    protected byte clearFlags(byte mask) {\r
+        flags &= ~mask;\r
+        return flags;\r
+    }\r
+\r
+}
\ No newline at end of file