Hi!
We have some difficulties with high images in PDF output. This is probably FOP related, maybe someone may forward mail this to their list, thanks!
Images higher than about 600px (basically part of screenshots) that are not scaled down because of width will produce errors: 1. FOPException: No meaningful layout ... 2. java.lang.OutOfMemoryError 3. endless swapping (if forrest.maxmemory is high)
The first one is still somewhat legible but the 2nd and 3rd take some time to discover. They happen e.g. if the image is enclosed in a table. See example code below. This happens for PNG and GIF images.
The only workaround we found usable is to decrease the height of the image upfront. Setting height="400px" works, too, but the HTML quality is very poor.
Since scaling for wide images works well I hope that there's a fix for this.
Shall I file a forrest bug for this?
Cheers Johannes
<?xml version="1.0" encoding="UTF-8"?> <!-- Copyright 2002-2004 The Apache Software Foundation
Licensed 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.
-->
<!DOCTYPE document PUBLIC "-//APACHE//DTD Documentation V2.0//EN" "http://forrest.apache.org/dtd/document-v20.dtd";>
<document>
<header>
<title>Welcome to MyProj</title>
</header>
<body>
<section>
<title>Congratulations</title>
<p>You have successfully generated and rendered an <a
href="ext:forrest">Apache Forrest</a> site.
This page is from the site template. It is found in
<code>my-site/src/documentation/content/xdocs/index.xml</code>
Please edit it and replace this text with content of your own.</p>
<table>forrest.maxmemory=64m
<tr><td><img height="400px" src="images/high-image.png" alt="High images break PDF generation"/></td></tr>
<tr><td>Figure: High images break PDF generation</td></tr>
</table>
</section>
</body>
</document>
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