On 12/18/2011 09:33 PM, Panks wrote:
Hello everyone,
This is Pankaj, I am a second year CS student at Indian Institute of
Technology, Madras.
I am interested in contributing to Calligra.
While going through last year (2011) gsoc idea page I found these
ideas interesting:
Project: PDF-Import and/or PDF-Export AND Integrate with Akonadi for
Calligra Words
and Project: PSD File import/export Support for Calligra Krita
I would like to work upon one or more(depends on time) of these ideas.
But since I am new to KDE, I would like someone to mentor/help me
along with the project.
So, can someone please help me along with?
Credentials: I have knowledge of C++ and Qt.
and hello Pankaj,
I would be willing to mentor you on getting a PDF-Import filter for
Calligra Words done. I am available in our irc-channel #calligra (on
irc://irc.freenode.net/calligra - use e.g. the "Konversation"
application to connect to IRC) as "sebsauer".
First steps would be;
1. Build Calligra yourself from the sources. See
http://community.kde.org/Calligra/Building
2. Get a KDE git-account to commit work you do. See
http://techbase.kde.org/Contribute/Get_a_Contributor_Account
3. Get familar with the area where the work will happen. That is the
filter-framework. We are going to write a filter-plugin that reads
PDF-files using the poppler library and then generating OpenDocument
ODF. The filter-framework will take care of all the things around
including passing the resulting ODT-file on to Calligra Words so it's
loaded+displayed and the user can edit+save.
For point 3 you may like to have a look at;
* in our sources at the Text-file importer located at
calligra/filters/words/ascii/AsciiImport.cpp to have an idea how a
filter looks like.
* at the poppler-library. For that install libpoppler (if not already
installed cause it's a pretty standard-library used by applications like
Okular to display PDF-files). There look at the header-files to have an
idea how the API looks like.
Once those initial steps are done we would create an initial filter
skeleton for the PDF-import filter. We could basically copy the
AsciiFilter linked above over and 1) change the CMakeLists.txt to link
against libpoppler and 2) change the desktop file so we take PDF-files
as input and not text-files like the text-filter does and 3) start to
use the libpoppler-API to evaluate the PDF-document.
So much for the start :-)
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