Merged revisions 707631,708012 via svnmerge from

https://svn.apache.org/repos/asf/xmlgraphics/fop/trunk

........
  r707631 | jeremias | 2008-10-24 14:42:59 +0100 (Fri, 24 Oct 2008) | 2 lines
  
  Fixed a problem where the BPD or a block area could be wrong if there is a nested, absolutely positioned area (for example a block-container).
  This was most probably introduced by rev 618992.
........
  r708012 | adelmelle | 2008-10-26 16:32:16 +0000 (Sun, 26 Oct 2008) | 5 lines
  
  Bugzilla 45113:
  Added PDF /Launch action, which is used in case of references to URIs using the file:// protocol.
  Thanks to Alexander Stamenov (astamenov.AT.gmail.com) for the input!
........


git-svn-id: https://svn.apache.org/repos/asf/xmlgraphics/fop/branches/Temp_AFPGOCAResources@708153 13f79535-47bb-0310-9956-ffa450edef68

src/java/org/apache/fop/area/Block.java

@@ -79,7 +79,7 @@ public class Block extends BlockParent {
      * @param autoHeight increase the height of the block.
      */
     public void addBlock(Block block, boolean autoHeight) {
-        if (autoHeight && allowBPDUpdate) {
+        if (autoHeight && allowBPDUpdate && block.isStacked()) {
             bpd += block.getAllocBPD();
         }
         addChildArea(block);

src/java/org/apache/fop/layoutmgr/list/ListItemLayoutManager.java

@@ -26,6 +26,7 @@ import java.util.ListIterator;
 
 import org.apache.commons.logging.Log;
 import org.apache.commons.logging.LogFactory;
+
 import org.apache.fop.area.Area;
 import org.apache.fop.area.Block;
 import org.apache.fop.fo.flow.ListItem;
@@ -537,14 +538,6 @@ public class ListItemLayoutManager extends BlockStackingLayoutManager
             label.addAreas(labelIter, lc);
         }
 
-        // reset the area bpd after adding the label areas and before adding the body areas
-        int savedBPD = 0;
-        if (labelFirstIndex <= labelLastIndex
-            && bodyFirstIndex <= bodyLastIndex) {
-            savedBPD = curBlockArea.getBPD();
-            curBlockArea.setBPD(0);
-        }
-
         // add body areas
         if (bodyFirstIndex <= bodyLastIndex) {
             KnuthPossPosIter bodyIter = new KnuthPossPosIter(bodyList,
@@ -559,9 +552,13 @@ public class ListItemLayoutManager extends BlockStackingLayoutManager
         }
 
         // after adding body areas, set the maximum area bpd
-        if (curBlockArea.getBPD() < savedBPD) {
-            curBlockArea.setBPD(savedBPD);
+        int childCount = curBlockArea.getChildAreas().size();
+        assert childCount >= 1 && childCount <= 2;
+        int itemBPD = ((Block)curBlockArea.getChildAreas().get(0)).getAllocBPD();
+        if (childCount == 2) {
+            itemBPD = Math.max(itemBPD, ((Block)curBlockArea.getChildAreas().get(1)).getAllocBPD());
         }
+        curBlockArea.setBPD(itemBPD);
 
         addMarkersToPage(false, isFirst(firstPos), isLast(lastPos));
 

src/java/org/apache/fop/pdf/PDFDocument.java

@@ -223,6 +223,11 @@ public class PDFDocument {
      */
     protected List gotos = new java.util.ArrayList();
 
+    /**
+     * List of PDFLaunch objects.
+     */
+    protected List launches = new java.util.ArrayList();
+
     /**
      * The PDFDests object for the name dictionary.
      * Note: This object is not a list.
@@ -486,6 +491,9 @@ public class PDFDocument {
         if (obj instanceof PDFPage) {
             this.pages.notifyKidRegistered((PDFPage)obj);
         }
+        if (obj instanceof PDFLaunch) {
+            this.launches.add(obj);
+        }
         if (obj instanceof PDFLink) {
             this.links.add(obj);
         }
@@ -656,6 +664,15 @@ public class PDFDocument {
         return (PDFGoTo)findPDFObject(gotos, compare);
     }
 
+    /**
+     * Finds a launch.
+     * @param compare reference object to use as search template
+     * @return the launch if found, null otherwise
+     */
+    protected PDFLaunch findLaunch(PDFLaunch compare) {
+        return (PDFLaunch) findPDFObject(launches, compare);
+    }
+
     /**
      * Looks for an existing GState to use
      * @param wanted requested features
@@ -703,7 +720,6 @@ public class PDFDocument {
      */
     public void setColorSpace(int theColorspace) {
         this.colorspace.setColorSpace(theColorspace);
-        return;
     }
 
     /**
@@ -1019,12 +1035,6 @@ public class PDFDocument {
           by the table's length */
         this.position += outputXref(stream);
 
-        // Determine existance of encryption dictionary
-        String encryptEntry = "";
-        if (this.encryption != null) {
-            encryptEntry = this.encryption.getTrailerEntry();
-        }
-
         /* construct the trailer */
         String pdf =
             "trailer\n"
@@ -1037,10 +1047,13 @@ public class PDFDocument {
                 + "\n"
                 + "/Info "
                 + this.info.referencePDF()
-                + "\n"
-                + getIDEntry()
-                + "\n"
-                + encryptEntry
+                + "\n";
+        if (this.encryption != null) {
+            pdf += this.encryption.getTrailerEntry();
+        } else {
+            pdf += getIDEntry();
+        }
+            pdf += "\n"
                 + ">>\n"
                 + "startxref\n"
                 + this.xref

src/java/org/apache/fop/pdf/PDFFactory.java

@@ -1011,6 +1011,10 @@ public class PDFFactory {
         // HTTP URL?
         if (targetLo.startsWith("http://")) {
             return new PDFUri(target);
+        // Non PDF files. Try to /Launch them.
+        } else if (targetLo.startsWith("file://")) {
+            target = target.substring("file://".length());
+            return getLaunchAction(target);
         // Bare PDF file name?
         } else if (targetLo.endsWith(".pdf")) {
             return getGoToPDFAction(target, null, -1, newWindow);
@@ -1104,6 +1108,37 @@ public class PDFFactory {
         return remote;
     }
 
+    /**
+     * Creates and returns a launch pdf document action using
+     * <code>file</code> to create a file spcifiaciton for
+     * the document/file to be opened with an external application.
+     *
+     * @param file the pdf file name
+     * @return the pdf launch object
+     */
+    private PDFLaunch getLaunchAction(String file) {
+        getDocument().getProfile().verifyActionAllowed();
+
+        PDFFileSpec fileSpec = new PDFFileSpec(file);
+        PDFFileSpec oldSpec = getDocument().findFileSpec(fileSpec);
+
+        if (oldSpec == null) {
+            getDocument().registerObject(fileSpec);
+        } else {
+            fileSpec = oldSpec;
+        }
+        PDFLaunch launch = new PDFLaunch(fileSpec);
+        PDFLaunch oldLaunch = getDocument().findLaunch(launch);
+
+        if (oldLaunch == null) {
+            getDocument().registerObject(launch);
+        } else {
+            launch = oldLaunch;
+        }
+
+        return launch;
+    }
+
     /**
      * Make an outline object and add it to the given parent
      *

src/java/org/apache/fop/pdf/PDFLaunch.java

@@ -0,0 +1,68 @@
+/*
+ * 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;
+
+/**
+ * This class represents the /Launch action.
+ */
+public class PDFLaunch extends PDFAction {
+
+    private PDFFileSpec externalFileSpec;
+
+    public PDFLaunch(PDFFileSpec fileSpec) {
+        this.externalFileSpec = fileSpec;
+    }
+
+    public String getAction() {
+        return this.referencePDF();
+    }
+
+    public String toPDFString() {
+        StringBuffer sb = new StringBuffer(64);
+        sb.append(getObjectID());
+        sb.append("<<\n/S /Launch\n/F ");
+        sb.append(externalFileSpec.referencePDF());
+        sb.append(" \n>>\nendobj\n");
+
+        return sb.toString();
+    }
+
+    /**
+     * Check if this equals another object.
+     *
+     * @param obj the object to compare
+     * @return true if this equals other object
+     */
+    public boolean equals(Object obj) {
+        if (this == obj) {
+            return true;
+        }
+
+        if (obj == null || !(obj instanceof PDFLaunch)) {
+            return false;
+        }
+
+        PDFLaunch launch = (PDFLaunch) obj;
+
+        if (!launch.externalFileSpec.referencePDF().equals(externalFileSpec.referencePDF())) {
+            return false;
+        }
+
+        return true;
+    }
+}

status.xml

@@ -53,6 +53,15 @@
 
   <changes>
     <release version="FOP Trunk" date="TBD">
+      <action context="Renderers" dev="AD" type="add" fixes-bug="45113" due-to="Alexander Stamenov">
+        Added PDF /Launch action: references to URIs using the file:// protocol will now generate
+        a /Launch action as opposed to a more general /URI (which doesn't yield the expected result
+        for this protocol).
+      </action>
+      <action context="Layout" dev="JM" type="fix">
+        Fixed a problem where the BPD or a block area could be wrong if there is a nested,
+        absolutely positioned area (for example a block-container).
+      </action>
       <action context="Layout" dev="AD" type="fix" fixes-bug="40798">
         Bugzilla 40798: A conditional-page-master-reference with page-position="last" qualifies
         for a first page, if it is also the last. Additionally: also added support for

test/layoutengine/standard-testcases/block-container_area-bpd.xml

@@ -0,0 +1,59 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!--
+  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.
+-->
+<!-- $Id$ -->
+<testcase>
+  <info>
+    <p>
+      This test checks bpd values on block-containers.
+    </p>
+  </info>
+  <fo>
+    <fo:root xmlns:fo="http://www.w3.org/1999/XSL/Format">
+      <fo:layout-master-set>
+        <fo:simple-page-master master-name="normal" page-width="5in" page-height="5in">
+          <fo:region-body/>
+        </fo:simple-page-master>
+      </fo:layout-master-set>
+      <fo:page-sequence master-reference="normal">
+        <fo:flow flow-name="xsl-region-body">
+          <fo:block>Testing area BPDs...</fo:block>
+          <fo:block-container id="bc1" absolute-position="absolute" top="0.15cm" left="0.25cm">
+            <fo:block>                        
+              <fo:inline background-color="grey">bc1</fo:inline>                            
+            </fo:block>
+          </fo:block-container> 
+          <fo:block background-color="orange">
+            <fo:block color="red" background-color="yellow">Below
+              <fo:block-container id="bc2" absolute-position="absolute" top="0.35cm" left="0.25cm">
+                <fo:block>                        
+                  <fo:inline background-color="grey">Above</fo:inline>                            
+                </fo:block>
+              </fo:block-container> 
+            </fo:block>
+          </fo:block>
+        </fo:flow>
+      </fo:page-sequence>
+    </fo:root>
+  </fo>
+  <checks>
+    <eval expected="28800" xpath="//flow/@bpd"/>
+    <eval expected="14400" xpath="//block[@prod-id='bc1']/@bpd"/>
+    <eval expected="14400" xpath="//block[@prod-id='bc2']/@bpd"/>
+    <eval expected="14400" xpath="//block[@prod-id='bc2']/../@bpd"/>
+  </checks>
+</testcase>