El Dijous, 7 de març de 2013, a les 14:50:18, Haidong Tang va escriure: > Albert, > > Thanks a lot for clarifying! So is there any function that I can know the > positions of intrinsic images in a pdf?
As I already said in the previous email we don't have any API for that in Okular. > I just want to find a way to take out those images. Do you have any suggestions? Implement the feature in poppler-qt and then implement the feature in Okular > Also, what is an OKULAR_OBSERVER_ID? I don't quite understand the mechanism > behind it. I used 6 in my case and it works fine but when I'm using 77 it > doesn't work at all. What number am I supposed to use? Use okular master and you won't need to care about that since i recently killed the observer id concept. Cheers, Albert > > > Message: 4 > > Date: Thu, 07 Mar 2013 11:47:19 +0100 > > From: Albert Astals Cid <aa...@kde.org> > > To: Okular development <okular-devel@kde.org> > > Subject: Re: [Okular-devel] how to get images from pdf files? > > Message-ID: <9667157.6NtSr88zM4@xps> > > Content-Type: text/plain; charset="iso-8859-1" > > > > El Dijous, 7 de mar? de 2013, a les 00:12:10, Haidong Tang va escriure: > > > Hi, > > > > Hi > > > > > I'm testing some functionalities on Okular and currently I'm working on > > > getting images from a pdf files. I tried to use requestPixmaps( const > > > QLinkedList<PixmapRequest*> &requests ) in the class Document to request > > > image asynchronously and then use _o_nearestPixmap to get the images > > > when > > > they are ready. However, the images I got by using this method are not > > > really what I want. This method may give me an image of the whole page, > > > > but > > > > > actually I'm only interested in those intrinsic images embedded in a > > > > page, > > > > > not a whole page converted into a image. Am I using the wrong function > > > > for > > > > > this task? Are there other more proper functions for my task? Thanks! > > > > There's no method that does what you want in the Okular API. You're > > welcome to > > draft the API for it if you need it and think the backends can implement > > it. > > > > Cheers, > > > > Albert _______________________________________________ Okular-devel mailing list Okular-devel@kde.org https://mail.kde.org/mailman/listinfo/okular-devel