new svg graphic elements

git-svn-id: https://svn.apache.org/repos/asf/xmlgraphics/fop/trunk@193480 13f79535-47bb-0310-9956-ffa450edef68

1 files changed, 155 insertions, 0 deletions

diff --git a/src/org/apache/fop/svg/Defs.java b/src/org/apache/fop/svg/Defs.java
new file mode 100644
index 000000000..4b0100bc1
--- /dev/null
+++ b/src/org/apache/fop/svg/Defs.java
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+/*-- $Id$ -- 
+
+ ============================================================================
+                   The Apache Software License, Version 1.1
+ ============================================================================
+ 
+    Copyright (C) 1999 The Apache Software Foundation. All rights reserved.
+ 
+ Redistribution and use in source and binary forms, with or without modifica-
+ tion, are permitted provided that the following conditions are met:
+ 
+ 1. Redistributions of  source code must  retain the above copyright  notice,
+    this list of conditions and the following disclaimer.
+ 
+ 2. Redistributions in binary form must reproduce the above copyright notice,
+    this list of conditions and the following disclaimer in the documentation
+    and/or other materials provided with the distribution.
+ 
+ 3. The end-user documentation included with the redistribution, if any, must
+    include  the following  acknowledgment:  "This product includes  software
+    developed  by the  Apache Software Foundation  (http://www.apache.org/)."
+    Alternately, this  acknowledgment may  appear in the software itself,  if
+    and wherever such third-party acknowledgments normally appear.
+ 
+ 4. The names "FOP" and  "Apache Software Foundation"  must not be used to
+    endorse  or promote  products derived  from this  software without  prior
+    written permission. For written permission, please contact
+    apache@apache.org.
+ 
+ 5. Products  derived from this software may not  be called "Apache", nor may
+    "Apache" appear  in their name,  without prior written permission  of the
+    Apache Software Foundation.
+ 
+ THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED WARRANTIES,
+ INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
+ FITNESS  FOR A PARTICULAR  PURPOSE ARE  DISCLAIMED.  IN NO  EVENT SHALL  THE
+ APACHE SOFTWARE  FOUNDATION  OR ITS CONTRIBUTORS  BE LIABLE FOR  ANY DIRECT,
+ INDIRECT, INCIDENTAL, SPECIAL,  EXEMPLARY, OR CONSEQUENTIAL  DAMAGES (INCLU-
+ DING, BUT NOT LIMITED TO, PROCUREMENT  OF SUBSTITUTE GOODS OR SERVICES; LOSS
+ OF USE, DATA, OR  PROFITS; OR BUSINESS  INTERRUPTION)  HOWEVER CAUSED AND ON
+ ANY  THEORY OF LIABILITY,  WHETHER  IN CONTRACT,  STRICT LIABILITY,  OR TORT
+ (INCLUDING  NEGLIGENCE OR  OTHERWISE) ARISING IN  ANY WAY OUT OF THE  USE OF
+ THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ 
+ This software  consists of voluntary contributions made  by many individuals
+ on  behalf of the Apache Software  Foundation and was  originally created by
+ James Tauber <jtauber@jtauber.com>. For more  information on the Apache 
+ Software Foundation, please see <http://www.apache.org/>.
+ 
+ */
+
+package org.apache.fop.svg;
+
+// FOP
+import org.apache.fop.fo.*;
+import org.apache.fop.layout.Area;
+import org.apache.fop.layout.FontState;
+import org.apache.fop.apps.FOPException;
+
+import java.util.*;
+
+import org.w3c.dom.svg.SVGElement;
+
+import org.apache.fop.dom.svg.*;
+import org.apache.fop.dom.svg.SVGArea;
+/**
+ * class representing svg:Defs pseudo flow object.
+ *
+ */
+public class Defs extends FObj {
+
+	/**
+	 * inner class for making Defs objects.
+	 */
+	public static class Maker extends FObj.Maker {
+
+		/**
+		 * make a Defs object.
+		 *
+		 * @param parent the parent formatting object
+		 * @param propertyList the explicit properties of this object
+		 *
+		 * @return the Defs object
+		 */
+		public FObj make(FObj parent, PropertyList propertyList) throws FOPException
+		{
+			return new Defs(parent, propertyList);
+		}
+	}
+
+	/**
+	 * returns the maker for this object.
+	 *
+	 * @return the maker for Defs objects
+	 */
+	public static FObj.Maker maker() {
+		return new Defs.Maker();
+	}
+
+	/**
+	 * constructs a Defs object (called by Maker).
+	 *
+	 * @param parent the parent formatting object
+	 * @param propertyList the explicit properties of this object
+	 */
+	protected Defs(FObj parent, PropertyList propertyList) {
+		super(parent, propertyList);
+		this.name = "svg:defs";
+	}
+
+	Hashtable defs = new Hashtable();
+
+	public Hashtable createDefs()
+	{
+		int numChildren = this.children.size();
+		for (int i = 0; i < numChildren; i++) {
+			FONode child = (FONode) children.elementAt(i);
+			if(child instanceof GraphicsCreator) {
+				GraphicImpl gi = ((GraphicsCreator)child).createGraphic();
+				if(gi instanceof SVGElement) {
+					String id = ((SVGElement)gi).getId();
+					if(!id.equals("")) {
+						defs.put(id, gi);
+					} else {
+						// no id
+						System.err.println("WARNING No ID for defs element : " + gi);
+					}
+				}
+			}
+		}
+		return defs;
+	}
+
+	/**
+	 * layout this formatting object.
+	 *
+	 * @param area the area to layout the object into
+	 *
+	 * @return the status of the layout
+	 */
+	public Status layout(Area area) throws FOPException {
+		
+		/* if the area this is being put into is an SVGArea */
+		if (area instanceof SVGArea) {
+			/* add a line to the SVGArea */
+			((SVGArea) area).addDefs(createDefs());
+		} else {
+			/* otherwise generate a warning */
+			System.err.println("WARNING: svg:defs outside svg:svg");
+		}
+
+		/* return status */
+		return new Status(Status.OK);
+	}
+}