Bugzilla #46705:

Accessibility and Tagged PDF Support
Submitted by: Jost Klopfstein <jost.klopfstein.at.gmail.com>

Changes to patch by jeremias:
- Some style fixes
- Various simplifications
- Removal of dead code
- Addressed some issues raised in Bugzilla (work in progress)
- Fixed a couple of bugs on leader handling detected while testing (an NPE remains in leader_leader-pattern_use-content.xml)


git-svn-id: https://svn.apache.org/repos/asf/xmlgraphics/fop/branches/Temp_Accessibility@745949 13f79535-47bb-0310-9956-ffa450edef68

1 files changed, 67 insertions, 0 deletions

diff --git a/src/java/org/apache/fop/pdf/PDFStructTreeRoot.java b/src/java/org/apache/fop/pdf/PDFStructTreeRoot.java
new file mode 100644
index 000000000..e530b1582
--- /dev/null
+++ b/src/java/org/apache/fop/pdf/PDFStructTreeRoot.java
@@ -0,0 +1,67 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You 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.
+ */
+
+/* $Id$ */
+
+package org.apache.fop.pdf;
+
+/**
+ * Class representing a PDF /StructTreeRoot dictionary.
+ */
+public class PDFStructTreeRoot extends PDFDictionary {
+
+    /**
+     * Create the /StructTreeRoot dictionary.
+     */
+    public PDFStructTreeRoot() {
+        super();
+        put("Type", new PDFName("StructTreeRoot"));
+        put("K", new PDFArray());
+    }
+
+    /**
+     * Add parentTree entry.
+     * @param parentTree to be added
+     */
+    public void addParentTree(PDFParentTree parentTree) {
+        put("ParentTree", parentTree);
+    }
+
+    /**
+     * Get the kids.
+     * @return the kids
+     */
+    public PDFArray getKids() {
+        return (PDFArray)get("K");
+    }
+
+    /**
+     * Returns the first child of the kids array (normally the structure tree root element)
+     * @return the first child
+     */
+    public PDFObject getFirstChild() {
+        return (PDFObject)getKids().get(0);
+    }
+
+    /**
+     * Adds a kid.
+     * @param kid to be added
+     */
+    public void addKid(PDFObject kid) {
+        getKids().add(kid);
+    }
+}
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