George Kirkham created OPENMEETINGS-247:
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Summary: Make document conversion quality an administrator
changeable option
Key: OPENMEETINGS-247
URL: https://issues.apache.org/jira/browse/OPENMEETINGS-247
Project: Openmeetings
Issue Type: Improvement
Components: Converters
Affects Versions: 2.0 Apache Incubator Release
Environment: Debian Squeeze,
openmeetings-2.0.0.r1328537-20-04-2012_2319.tar.gz (Build #43)
Reporter: George Kirkham
Fix For: 2.0 Apache Incubator Release
I have the need to improve the quality of converted PDF, Word or PowerPoint
files, that is increase the resolution of the conversion process for Word PDF
and PowerPoint files are converted to *.swf files.
Currently the quality of any images within converted documents is so poor that
we cannot clearly read the text within the images contained in documents.
This may be able to be resolved by allowing the quality of file conversion to
be adjustable in the administration section of OpenMeeting or in the config.xml
file.
Checking the OpenMeetings log it would seem that it is using pdf2swf without
any "-j" setting, I found this in the log file;
args: [/usr/local/bin/pdf2swf, -s, insertstop, -s, poly2bitmap, -I,
/user/lib/red5/webapps/openmeetings/upload/files/le8...
Checking some of the source code I noticed that in the code these does not
appear that the "-j" option is being used, therefore I guess the default value
of 85% is being used when converting documents.
-j , --jpegquality quality Set quality of embedded jpeg pictures to
quality. 0 is worst (small), 100 is best (big). (default:85)
I could not find any settings in the
/usr/lib/red5/webapps/openmeetings/config.xml file for the pdf2swf arguments.
And I don't think that I can change this in OpenMeetings, it is most likely set
somewhere in the source code?
Sadly I have never managed to successfully build OpenMeetings using "ant", but
checking the source code, maybe the place to add the "-j" option may be in;
./openmeetings/trunk/singlewebapp/src/org/openmeetings/app/documents/GenerateSWF.java
line 216
// Create the Content of the Converter Script (.bat or .sh file)
I wonder if the developers would be able to add the "-j" option as a user
setting, and allow this value to be adjustable by administrators?
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