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List: fop-cvs
Subject: svn commit: r1411306 - in /xmlgraphics/fop/trunk: src/java/org/apache/fop/layoutmgr/BreakingAlgorith
From: vhennebert () apache ! org
Date: 2012-11-19 16:57:06
Message-ID: 20121119165707.5915C23888E4 () eris ! apache ! org
[Download RAW message or body]
Author: vhennebert
Date: Mon Nov 19 16:57:05 2012
New Revision: 1411306
URL: http://svn.apache.org/viewvc?rev=1411306&view=rev
Log:
Bugzilla #54167: Disable the overflow recovery mechanism when the flow IPD changes
Added:
xmlgraphics/fop/trunk/test/layoutengine/standard-testcases/flow_changing-ipd_overflow.xml \
(with props) Modified:
xmlgraphics/fop/trunk/src/java/org/apache/fop/layoutmgr/BreakingAlgorithm.java
xmlgraphics/fop/trunk/src/java/org/apache/fop/layoutmgr/PageBreakingAlgorithm.java
Modified: xmlgraphics/fop/trunk/src/java/org/apache/fop/layoutmgr/BreakingAlgorithm.java
URL: http://svn.apache.org/viewvc/xmlgraphics/fop/trunk/src/java/org/apache/fop/layoutmgr/BreakingAlgorithm.java?rev=1411306&r1=1411305&r2=1411306&view=diff
==============================================================================
--- xmlgraphics/fop/trunk/src/java/org/apache/fop/layoutmgr/BreakingAlgorithm.java \
(original)
+++ xmlgraphics/fop/trunk/src/java/org/apache/fop/layoutmgr/BreakingAlgorithm.java \
Mon Nov 19 16:57:05 2012 @@ -460,6 +460,10 @@ public abstract class BreakingAlgorithm \
return this.partOverflowRecoveryActivated;
}
+ protected KnuthNode getLastTooLong() {
+ return lastTooLong;
+ }
+
/**
* Empty method, hook for subclasses. Called before determining the optimal
* breakpoints corresponding to a given active node.
Modified: xmlgraphics/fop/trunk/src/java/org/apache/fop/layoutmgr/PageBreakingAlgorithm.java
URL: http://svn.apache.org/viewvc/xmlgraphics/fop/trunk/src/java/org/apache/fop/layoutmgr/PageBreakingAlgorithm.java?rev=1411306&r1=1411305&r2=1411306&view=diff
==============================================================================
--- xmlgraphics/fop/trunk/src/java/org/apache/fop/layoutmgr/PageBreakingAlgorithm.java \
(original)
+++ xmlgraphics/fop/trunk/src/java/org/apache/fop/layoutmgr/PageBreakingAlgorithm.java \
Mon Nov 19 16:57:05 2012 @@ -1108,6 +1108,19 @@ class PageBreakingAlgorithm extends \
Brea
}
+ @Override
+ protected KnuthNode recoverFromOverflow() {
+ if (compareIPDs(getLastTooLong().line - 1) != 0) {
+ /**
+ * If the IPD of the next page changes, disable the recovery mechanism \
as the + * inline content has to be re-laid out according to the new IPD \
anyway. + */
+ return getLastTooLong();
+ } else {
+ return super.recoverFromOverflow();
+ }
+ }
+
/** {@inheritDoc} */
@Override
protected int getIPDdifference() {
Added: xmlgraphics/fop/trunk/test/layoutengine/standard-testcases/flow_changing-ipd_overflow.xml
URL: http://svn.apache.org/viewvc/xmlgraphics/fop/trunk/test/layoutengine/standard-testcases/flow_changing-ipd_overflow.xml?rev=1411306&view=auto
==============================================================================
--- xmlgraphics/fop/trunk/test/layoutengine/standard-testcases/flow_changing-ipd_overflow.xml \
(added)
+++ xmlgraphics/fop/trunk/test/layoutengine/standard-testcases/flow_changing-ipd_overflow.xml \
Mon Nov 19 16:57:05 2012 @@ -0,0 +1,58 @@
+<?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>
+ The overflow recovery mechanism must be disabled when the flow IPD changes.
+ </p>
+ </info>
+ <fo>
+ <fo:root xmlns:fo="http://www.w3.org/1999/XSL/Format">
+ <fo:layout-master-set>
+ <fo:simple-page-master master-name="first-page"
+ page-height="120pt" page-width="220pt" margin="10pt">
+ <fo:region-body/>
+ </fo:simple-page-master>
+ <fo:simple-page-master master-name="page"
+ page-height="120pt" page-width="120pt" margin="10pt">
+ <fo:region-body/>
+ </fo:simple-page-master>
+ <fo:page-sequence-master master-name="pages">
+ <fo:repeatable-page-master-alternatives>
+ <fo:conditional-page-master-reference page-position="first" \
master-reference="first-page"/> + <fo:conditional-page-master-reference \
master-reference="page"/> + </fo:repeatable-page-master-alternatives>
+ </fo:page-sequence-master>
+ </fo:layout-master-set>
+ <fo:page-sequence master-reference="pages">
+ <fo:flow flow-name="xsl-region-body">
+ <fo:block-container height="110pt" background-color="#F0F0F0">
+ <fo:block>This block-container overflows the page.</fo:block>
+ </fo:block-container>
+ <fo:block>After the big block-container.</fo:block>
+ </fo:flow>
+ </fo:page-sequence>
+ </fo:root>
+ </fo>
+ <checks>
+ <eval expected="2" xpath="count(//pageViewport)"/>
+ <eval expected="This block-container overflows the" \
xpath="//pageViewport[1]//lineArea[1]"/> + <eval expected="After the big" \
xpath="//pageViewport[2]//lineArea[1]"/> + </checks>
+</testcase>
Propchange: xmlgraphics/fop/trunk/test/layoutengine/standard-testcases/flow_changing-ipd_overflow.xml
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Propchange: xmlgraphics/fop/trunk/test/layoutengine/standard-testcases/flow_changing-ipd_overflow.xml
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