1 files changed, 159 insertions, 0 deletions
diff --git a/src/main/java/com/kitfox/svg/ClipPath.java b/src/main/java/com/kitfox/svg/ClipPath.java
new file mode 100644
index 0000000..4c16f06
--- /dev/null
+++ b/src/main/java/com/kitfox/svg/ClipPath.java
@@ -0,0 +1,159 @@
+/*
+ * Stop.java
+ *
+ *
+ *  The Salamander Project - 2D and 3D graphics libraries in Java
+ *  Copyright (C) 2004 Mark McKay
+ *
+ *  This library is free software; you can redistribute it and/or
+ *  modify it under the terms of the GNU Lesser General Public
+ *  License as published by the Free Software Foundation; either
+ *  version 2.1 of the License, or (at your option) any later version.
+ *
+ *  This library is distributed in the hope that it will be useful,
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ *  Lesser General Public License for more details.
+ *
+ *  You should have received a copy of the GNU Lesser General Public
+ *  License along with this library; if not, write to the Free Software
+ *  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ *
+ *  Mark McKay can be contacted at mark@kitfox.com.  Salamander and other
+ *  projects can be found at http://www.kitfox.com
+ *
+ * Created on January 26, 2004, 1:56 AM
+ */
+
+package com.kitfox.svg;
+
+import com.kitfox.svg.xml.StyleAttribute;
+import java.awt.*;
+import java.awt.geom.*;
+import java.util.*;
+
+import com.kitfox.svg.xml.*;
+import org.xml.sax.*;
+
+/**
+ * @author Mark McKay
+ * @author <a href="mailto:mark@kitfox.com">Mark McKay</a>
+ */
+public class ClipPath extends SVGElement 
+{
+
+//    final Vector members = new Vector();
+
+    public static final int CP_USER_SPACE_ON_USE = 0;
+    public static final int CP_OBJECT_BOUNDING_BOX = 1;
+
+    int clipPathUnits = CP_USER_SPACE_ON_USE;
+
+    /** Creates a new instance of Stop */
+    public ClipPath() {
+    }
+/*
+    public void loaderStartElement(SVGLoaderHelper helper, Attributes attrs, SVGElement parent)
+    {
+		//Load style string
+        super.loaderStartElement(helper, attrs, parent);
+
+        String clipPathUnits = attrs.getValue("clipPathUnits");
+
+        if (clipPathUnits.equals("objectBoundingBox")) this.clipPathUnits = CP_OBJECT_BOUNDING_BOX;
+
+    }
+*/
+    /**
+     * Called after the start element but before the end element to indicate
+     * each child tag that has been processed
+     */
+    public void loaderAddChild(SVGLoaderHelper helper, SVGElement child) throws SVGElementException
+    {
+		super.loaderAddChild(helper, child);
+
+//        if (child instanceof ShapeElement) members.add(child);
+    }
+
+    /*
+    public void loaderEndElement(SVGLoaderHelper helper)
+    {
+//        super.loaderEndElement(helper);
+
+//        build();
+    }
+    */
+    
+    protected void build() throws SVGException
+    {
+        super.build();
+        
+        StyleAttribute sty = new StyleAttribute();
+        
+        clipPathUnits = (getPres(sty.setName("clipPathUnits"))
+            && sty.getStringValue().equals("objectBoundingBox")) 
+            ? CP_OBJECT_BOUNDING_BOX 
+            : CP_USER_SPACE_ON_USE;
+    }
+    
+    public int getClipPathUnits()
+    {
+        return clipPathUnits;
+    }
+
+    public Shape getClipPathShape()
+    {
+        if (children.size() == 0) return null;
+        if (children.size() == 1) return ((ShapeElement)children.get(0)).getShape();
+
+        Area clipArea = null;
+        for (Iterator it = children.iterator(); it.hasNext();)
+        {
+            ShapeElement se = (ShapeElement)it.next();
+
+            if (clipArea == null)
+            {
+                Shape shape = se.getShape();
+                if (shape != null) clipArea = new Area(se.getShape());
+                continue;
+            }
+
+            Shape shape = se.getShape();
+            if (shape != null) clipArea.intersect(new Area(shape));
+        }
+
+        return clipArea;
+    }
+
+    /**
+     * Updates all attributes in this diagram associated with a time event.
+     * Ie, all attributes with track information.
+     * @return - true if this node has changed state as a result of the time
+     * update
+     */
+    public boolean updateTime(double curTime) throws SVGException
+    {
+//        if (trackManager.getNumTracks() == 0) return false;
+
+        //Get current values for parameters
+        StyleAttribute sty = new StyleAttribute();
+        boolean shapeChange = false;
+
+        
+        if (getPres(sty.setName("clipPathUnits")))
+        {
+            String newUnitsStrn = sty.getStringValue();
+            int newUnits = newUnitsStrn.equals("objectBoundingBox")
+                ? CP_OBJECT_BOUNDING_BOX 
+                : CP_USER_SPACE_ON_USE;
+                
+            if (newUnits != clipPathUnits)
+            {
+                clipPathUnits = newUnits;
+                shapeChange = true;
+            }
+        }
+        
+        return shapeChange;
+    }
+}