[Qt-interest] About Plugin Architecture in QT

[Boudewijn Rempt]

On Wed, 29 Apr 2009, hakiim warrick wrote:

> 
> Hi, we need to determine a convenient platform for developing a commercial image processing desktop application. You can think of it as a Photoshop-like application. 
> 
> As an image-processing application, project requires Runtime-efficiency(speed and memory management). This requirement points to use C++, so QT for user interface.
> Plugin support requirement will be a critical issue for our application. 3rd parties will be able to add new functionalities to the application, for instance, a new image filter would be added as a submenu.
> We need to have a stable Plugin Architecture. Eclipse RCP(Rich Client Platform) is said to be a ready to use platform. But it will force us to code with Java if we want to develop in RCP platform.
> 
> According to me, Qt is more convenient, but I dont know how to design and implement a RCP-like architecture using Qt. We have not QT experience, but we have c++ knowledge. What we want to know is, would it be easy to build a stable plugin architecture like Java-Eclipse RCP, in QT. We need some information and advices. We have to make a decision in next few days.To be able to convince my friends, I have to demonstrate the built-in plugin architecture support in Qt.

Yes, it's easy. Qt provides good support for plugins (http://doc.trolltech.com/4.5/plugins-howto.html). Take a look at the source of Qt Creator for a good example.

> 
> I made a search on google and look for a sample application having a plugin host project with Qt. But could not find any example. 
> Any idea is highly appreciated.
> 
> 
> 
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