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PDF Eagle: A PDF viewer in Qt
Linköping University, Department of Computer and Information Science, RTSLAB - Real-Time Systems Laboratory.
2012 (English)Independent thesis Advanced level (professional degree), 20 credits / 30 HE creditsStudent thesis
Abstract [en]

To keep up in the rapidly changing market for smart mobile phones, newways of consuming information is needed. In this master thesis project aPortable Document Format (PDF) viewer with more features than existingPDF viewers for Symbian^3 was developed, called PDF Eagle. PDF Eaglewas implemented using the Qt framework, allowing it to be easily ported todierent platforms. PDF documents have a rich structure and to be fullycompatible with the standard and at the same time responsive enough to berun on a mobile platform is a formidable technical challenge. This reportdescribes the issues that had to be resolved all the way to a functioning "app"that was marketed on the Nokia market in October 2011 with a great success.Among the technical challenges was a way to correctly render coloured objectsin PDFs. A gradient is a way to colour an area in a PDF le. Results of testsshowed that PDF Eagle is more capable of handling gradients, shadows andencrypted PDF les compared to other mobile PDF viewers. The conclusion ofthis report is that PDF Eagle is on par with or outmatches other PDF viewerson the targeted platform. This work also shows the feasibility of incrementallydownloading the pages of a PDF le which provides a better user experienceby faster viewing.

Place, publisher, year, edition, pages
2012. , 46 p.
Keyword [en]
PDF, Mobile devices, Qt, Symbian^3, Server
National Category
Computer Systems
URN: urn:nbn:se:liu:diva-76907ISRN: LIU-IDA/LITH-EX-A--12/013--SEOAI: diva2:519243
External cooperation
Subject / course
Computer and information science at the Institute of Technology
2012-03-16, 13:00 (English)
Available from: 2012-04-25 Created: 2012-04-24 Last updated: 2012-04-25Bibliographically approved

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