%general-entities; ]> $LastChangedBy$ $Date$ fop-&fop-version; fop Introduction to fop The FOP (Formatting Objects Processor) package contains a print formatter driven by XSL formatting objects (XSL-FO). It is a Java application that reads a formatting object tree and renders the resulting pages to a specified output. Output formats currently supported include PDF, PCL, PostScript, SVG, XML (area tree representation), print, AWT, MIF and ASCII text. The primary output target is PDF. &lfs90_checked; Package Information Download (HTTP): Download (FTP): Download MD5 sum: &fop-md5sum; Download size: &fop-size; Estimated disk space required: &fop-buildsize; Estimated build time: &fop-time; Additional Downloads Required Additional Downloads: PDFBox: &pdfbox-md5sum; &pdfbox-size; PDFBox Fonts: &fontbox-md5sum; &fontbox-size; Recommended packages Objects for Formatting Objects (OFFO) hyphenation patterns: &offo-md5sum; &offo-size; fop Dependencies Required Optional (to run tests), JAI Image I/O Tools, and JEuclid User Notes: Installation of fop Ensure $JAVA_HOME is set correctly before beginning the build. To build the JIMI SDK and/or XMLUnit extension classes, ensure the corresponding .jar files can be found via the CLASSPATH environment variable. Installing OFFO Hyphenation Patterns Copy the XML hyphenation patterns into the fop source tree by running the following commands: unzip ../offo-hyphenation.zip && cp offo-hyphenation/hyph/* fop/hyph && rm -rf offo-hyphenation Installing fop Components The javadoc command that ships with OpenJDK 10 and later has become much stricter than previous versions regarding conformance of the Javadoc comments in source code to HTML. The FOP documentation does not meet those standards, so the conformance checks have to be disabled. This can be done with the following command: sed -i '\@</javad@i\ <arg value="-Xdoclint:none"/>\ <arg value="--allow-script-in-comments"/>\ <arg value="--ignore-source-errors"/>' \ fop/build.xml The stack size set in build.xml for building the hyphenation patterns is not large enough. Change it by running: sed -e '/hyph\.stack/s/512k/1M/' \ -i fop/build.xml With , the minimum source version is 1.7, while FOP build system has 1.6. Change that: sed -e 's/1\.6/1.7/' \ -i fop/build.xml The build.xml file calls for an old version of PDFBox components that are no longer available. Copy the updated PDFBox components into the source tree: cp ../{pdf,font}box-&pdfbox-version;.jar fop/lib Compile fop by running the following commands: cd fop && export LC_ALL=en_US.UTF-8 && ant all javadocs && mv build/javadocs . The junit test suite was run as part of the above commands. Now, install Fop as the root user: install -v -d -m755 -o root -g root /opt/fop-&fop-version; && cp -vR build conf examples fop* javadocs lib /opt/fop-&fop-version; && chmod a+x /opt/fop-&fop-version;/fop && ln -v -sfn fop-&fop-version; /opt/fop Command Explanations sed -i ... build.xml: This adds two switches to the javadoc command, preventing some errors to occur when building the documentation. export LC_ALL=en_US.UTF-8: the compiler fails if using an ASCII locale. ant : This reads the file build.xml and builds the target: compiles the java sources, generates jar archives, generates the hyphenation patterns for FOP, runs the junit tests, and builds the documentation. The target runs all of the above. ln -v -sf fop-&fop-version; /opt/fop: This is optional and creates a convenience symlink so that $FOP_HOME doesn't have to be changed each time there's a package version change. Configuring fop Config Files ~/.foprc ~/.foprc Configuration Information Using fop to process some large FO's (including the FO derived from the BLFS XML sources), can lead to memory errors. Unless you add a parameter to the java command used in the fop script you may receive messages similar to the one shown below: Exception in thread "main" java.lang.OutOfMemoryError: Java heap space To avoid errors like this, you need to pass an extra parameter to the java command used in the fop script. This can be accomplished by creating a ~/.foprc (which is sourced by the fop script) and adding the parameter to the FOP_OPTS environment variable. The fop script looks for a FOP_HOME environment variable to locate the fop class libraries. You can create this variable using the ~/.foprc file as well. Create a ~/.foprc file using the following commands: cat > ~/.foprc << "EOF" FOP_OPTS="-Xmx<RAM_Installed>m" FOP_HOME="/opt/fop" EOF Replace <RAM_Installed> with a number representing the amount of RAM installed in your computer (in megabytes). An example would be FOP_OPTS="-Xmx768m". To include the fop script in your path, update the system-wide profile with the following command as the root user: cat > /etc/profile.d/fop.sh << "EOF" # Begin /etc/profile.d/fop.sh pathappend /opt/fop # End /etc/profile.d/fop.sh EOF Running fop can be somewhat verbose. The default logging level can be changed from INFO to any of FINEST, FINER, FINE, CONFIG, INFO, WARNING, SEVERE, ALL, or OFF. To do this, edit $JAVA_HOME/jre/lib/logging.properties and change the entries for and to the desired value. Contents Installed Programs Installed Libraries Installed Directory fop fop.jar and numerous support library classes located in /opt/fop/{build,lib}; JAI components include libmlib_jai.so, jai_codec.jar, jai_core.jar, and mlibwrapper_jai.jar /opt/fop-&fop-version; Short Descriptions fop is a wrapper script to the java command which sets up the fop environment and passes the required parameters. fop fop.jar contains all the fop Java classes. fop.jar