Bugzilla 53827: When an fo:block has a non-zero value for its text-indent property and is broken over two pages of different widths, then the first line on the second page is missing one word and appears indented.

git-svn-id: https://svn.apache.org/repos/asf/xmlgraphics/fop/trunk@1380667 13f79535-47bb-0310-9956-ffa450edef68

src/java/org/apache/fop/layoutmgr/inline/LineLayoutManager.java

@@ -649,6 +649,10 @@ public class LineLayoutManager extends InlineStackingLayoutManager
         log.trace("Restarting line breaking from index " + restartPosition.getIndex());
         int parIndex = restartPosition.getLeafPos();
         KnuthSequence paragraph = knuthParagraphs.get(parIndex);
+        if (paragraph instanceof Paragraph) {
+            ((Paragraph) paragraph).ignoreAtStart = 0;
+            isFirstInBlock = false;
+        }
         paragraph.subList(0, restartPosition.getIndex() + 1).clear();
         Iterator<KnuthElement> iter = paragraph.iterator();
         while (iter.hasNext() && !iter.next().isBox()) {

status.xml

@@ -62,6 +62,11 @@
       documents. Example: the fix of marks layering will be such a case when it's done.
     -->
     <release version="FOP Trunk" date="TBD">
+      <action context="Layout" dev="VH" type="fix" fixes-bug="53827">
+        When an fo:block has a non-zero value for its text-indent property and is broken over two 
+        pages of different widths, then the first line on the second page is missing one word and 
+        appears indented.
+      </action>
       <action context="Renderers" dev="MH" type="fix" fixes-bug="53790">
          Prevented the TIFF configurator from overriding the Bitmap configurator unless CCITT
          compression is enabled.

test/layoutengine/standard-testcases/flow_changing-ipd_text-indent.xml

@@ -0,0 +1,57 @@
+<?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 that the text-indent property plays nicely with changing IPD.
+    </p>
+  </info>
+  <fo>
+    <fo:root xmlns:fo="http://www.w3.org/1999/XSL/Format">
+      <fo:layout-master-set>
+        <fo:simple-page-master master-name="wide-page"
+          page-height="40pt" page-width="220pt" margin="10pt">
+          <fo:region-body/>
+        </fo:simple-page-master>
+        <fo:simple-page-master master-name="narrow-page"
+          page-height="60pt" page-width="180pt" margin="10pt">
+          <fo:region-body/>
+        </fo:simple-page-master>
+        <fo:page-sequence-master master-name="pages">
+          <fo:single-page-master-reference master-reference="wide-page"/>
+          <fo:single-page-master-reference master-reference="narrow-page"/>
+        </fo:page-sequence-master>
+      </fo:layout-master-set>
+
+      <fo:page-sequence master-reference="pages">
+        <fo:flow flow-name="xsl-region-body" text-align="justify" font-size="8pt" line-height="10pt">
+          <fo:block text-indent="2em">Setting a non-zero value for the “text-indent” property on an 
+            fo:block should not cause loss of text. Setting a non-zero value for the “text-indent” 
+            property on an fo:block should not cause loss of text.</fo:block>
+        </fo:flow>
+      </fo:page-sequence>
+
+    </fo:root>
+  </fo>
+  <checks>
+    <eval expected="non-" xpath="//pageViewport[1]//lineArea[2]//word[position()=last()]"/>
+    <eval expected=""     xpath="//pageViewport[2]//lineArea[1]/@start-indent"/>
+    <eval expected="zero" xpath="//pageViewport[2]//lineArea[1]//word[1]"/>
+  </checks>
+</testcase>