aboutsummaryrefslogtreecommitdiffstats
diff options
context:
space:
mode:
Diffstat
-rw-r--r--src/java/org/apache/fop/layoutmgr/FlowLayoutManager.java9
-rw-r--r--src/java/org/apache/fop/layoutmgr/LayoutContext.java26
-rw-r--r--status.xml3
-rw-r--r--test/layoutengine/standard-testcases/block_break-before_bug46240.xml59
4 files changed, 87 insertions, 10 deletions
diff --git a/src/java/org/apache/fop/layoutmgr/FlowLayoutManager.java b/src/java/org/apache/fop/layoutmgr/FlowLayoutManager.java
index 293d6dbe0..42f08a42d 100644
--- a/src/java/org/apache/fop/layoutmgr/FlowLayoutManager.java
+++ b/src/java/org/apache/fop/layoutmgr/FlowLayoutManager.java
@@ -50,8 +50,6 @@ public class FlowLayoutManager extends BlockStackingLayoutManager
/** Array of areas currently being filled stored by area class */
private BlockParent[] currentAreas = new BlockParent[Area.CLASS_MAX];
- private int currentSpan = EN_NONE;
-
/**
* This is the top level layout manager.
* It is created by the PageSequence FO.
@@ -89,10 +87,11 @@ public class FlowLayoutManager extends BlockStackingLayoutManager
} else if (curLM instanceof BlockContainerLayoutManager) {
span = ((BlockContainerLayoutManager)curLM).getBlockContainerFO().getSpan();
}
+
+ int currentSpan = context.getCurrentSpan();
if (currentSpan != span) {
log.debug("span change from " + currentSpan + " to " + span);
context.signalSpanChange(span);
- currentSpan = span;
SpaceResolver.resolveElementList(returnList);
return returnList;
}
@@ -228,7 +227,7 @@ public class FlowLayoutManager extends BlockStackingLayoutManager
oldElement = (KnuthElement)oldListIterator.next();
if (oldElement.getPosition() instanceof NonLeafPosition) {
// oldElement was created by a descendant of this FlowLM
- oldElement.setPosition(((NonLeafPosition)oldElement.getPosition()).getPosition());
+ oldElement.setPosition((oldElement.getPosition()).getPosition());
} else {
// thisElement was created by this FlowLM, remove it
oldListIterator.remove();
@@ -344,7 +343,7 @@ public class FlowLayoutManager extends BlockStackingLayoutManager
* @return the BPD of the content area
*/
public int getContentAreaBPD() {
- return (int) getCurrentPV().getBodyRegion().getBPD();
+ return getCurrentPV().getBodyRegion().getBPD();
}
}
diff --git a/src/java/org/apache/fop/layoutmgr/LayoutContext.java b/src/java/org/apache/fop/layoutmgr/LayoutContext.java
index 8b716dfde..3526ed239 100644
--- a/src/java/org/apache/fop/layoutmgr/LayoutContext.java
+++ b/src/java/org/apache/fop/layoutmgr/LayoutContext.java
@@ -88,7 +88,8 @@ public class LayoutContext {
*/
private MinOptMax stackLimitIP;
- /** True if current element list is spanning in multi-column layout. */
+ /** to keep track of spanning in multi-column layout */
+ private int currentSpan = Constants.NOT_SET;
private int nextSpan = Constants.NOT_SET;
/** inline-progression-dimension of nearest ancestor reference area */
@@ -522,22 +523,37 @@ public class LayoutContext {
}
/**
- * @return true if the current element list ends early because of a span change
- * in multi-column layout.
+ * @return one of: {@link Constants#NOT_SET}, {@link Constants#EN_NONE}
+ * {@link Constants#EN_ALL}
*/
public int getNextSpan() {
return nextSpan;
}
/**
+ * @return one of: {@link Constants#NOT_SET}, {@link Constants#EN_NONE}
+ * {@link Constants#EN_ALL}
+ */
+ public int getCurrentSpan() {
+ return (currentSpan == Constants.NOT_SET)
+ ? Constants.EN_NONE : currentSpan;
+ }
+
+ /**
* Used to signal the PSLM that the element list ends early because of a span change in
* multi-column layout.
* @param span the new span value (legal values: NOT_SET, EN_NONE, EN_ALL)
*/
public void signalSpanChange(int span) {
- if (span == Constants.NOT_SET || span == Constants.EN_NONE || span == Constants.EN_ALL) {
+ switch (span) {
+ case Constants.NOT_SET:
+ case Constants.EN_NONE:
+ case Constants.EN_ALL:
+ this.currentSpan = this.nextSpan;
this.nextSpan = span;
- } else {
+ break;
+ default:
+ assert false;
throw new IllegalArgumentException("Illegal value on signalSpanChange() for span: "
+ span);
}
diff --git a/status.xml b/status.xml
index aa86a08c0..2a951cb42 100644
--- a/status.xml
+++ b/status.xml
@@ -53,6 +53,9 @@
<changes>
<release version="FOP Trunk" date="TBD">
+ <action context="Layout" dev="AD" type="fix" fixes-bug="46240">
+ Fixed a bug when combining break-before with a span change.
+ </action>
<action context="Code" dev="AD" type="fix" fixes-bug="46211" due-to="rogov.AT.devexperts.com">
Fixed some multi-threading issues in FontCache.java:
<ul>
diff --git a/test/layoutengine/standard-testcases/block_break-before_bug46240.xml b/test/layoutengine/standard-testcases/block_break-before_bug46240.xml
new file mode 100644
index 000000000..c59dbb42e
--- /dev/null
+++ b/test/layoutengine/standard-testcases/block_break-before_bug46240.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>
+ Test for Bugzilla #46240: break-before breaks span-change.
+ </p>
+ </info>
+ <fo>
+ <fo:root xmlns:fo="http://www.w3.org/1999/XSL/Format">
+ <fo:layout-master-set>
+ <fo:simple-page-master page-height="841.8898pt" page-width="595.27563pt" master-name="page">
+ <fo:region-body margin-right="49.6063pt" margin-left="29.763779pt" margin-bottom="46.771652pt" margin-top="36.850395pt" column-count="2"/>
+ </fo:simple-page-master>
+ <fo:page-sequence-master master-name="contents">
+ <fo:single-page-master-reference master-reference="page"/>
+ </fo:page-sequence-master>
+ </fo:layout-master-set>
+ <fo:page-sequence master-reference="contents" initial-page-number="2">
+ <fo:flow flow-name="xsl-region-body">
+ <fo:block id="block-1" span="all" break-before="odd-page" break-after="even-page">
+ <fo:inline font-size="16.0pt">xxx xxx xxx xxx xxx xxx xxx xxx xxx xxx xxx xxx </fo:inline>
+ </fo:block>
+ <fo:block />
+ </fo:flow>
+ </fo:page-sequence>
+ <fo:page-sequence master-reference="contents">
+ <fo:flow flow-name="xsl-region-body">
+ <fo:block id="block-2" span="all" break-before="even-page">
+ <fo:inline font-size="16.0pt">xxx xxx xxx xxx xxx xxx xxx xxx xxx xxx xxx xxx </fo:inline>
+ </fo:block>
+ </fo:flow>
+ </fo:page-sequence>
+ </fo:root>
+ </fo>
+ <checks>
+ <eval expected="5" xpath="count(//pageViewport)" />
+ <eval expected="3" xpath="count(//pageSequence[1]/pageViewport)" />
+ <eval expected="1" xpath="count(//block[@prod-id='block-1']/lineArea)" />
+ <eval expected="2" xpath="count(//pageSequence[2]/pageViewport)" />
+ <eval expected="1" xpath="count(//block[@prod-id='block-2']/lineArea)" />
+ </checks>
+</testcase>
generated by cgit v1.2.3 (git 2.39.1) at 2025-07-22 00:37:51 +0000