El Divendres, 7 de juny de 2013, a les 23:35:41, Jaydeep Solanki va escriure: > Will it be a good idea to look for something in QtWebkit source that can > get us bounding rects ?
Makes sense, there is *something* in there that can select text, so there is information of where the text is. Cheers, Albert > > Cheers, > Jaydeep > > On Fri, Jun 7, 2013 at 3:41 AM, Jaydeep Solanki <jayd...@gmail.com> wrote: > > But it will give the bounding rect of the HTML element, not the text. We > > can use the box of the HTML element to predict the bounding box of text > > with the help of font metrics, but it will fail in situations with an > > image > > or a floating element between text. > > Example: image <http://s11.postimg.org/5ysz1z79v/wrapp_all_arround.png> > > > > Cheers, > > Jaydeep > > > > On Fri, Jun 7, 2013 at 2:41 AM, Albert Astals Cid <aa...@kde.org> wrote: > >> El Dimarts, 4 de juny de 2013, a les 20:00:51, Jaydeep Solanki va > >> > >> escriure: > >> > On Mon, Jun 3, 2013 at 2:43 AM, Albert Astals Cid <aa...@kde.org> > >> > >> wrote: > >> > > El Dilluns, 3 de juny de 2013, a les 01:52:04, Jaydeep Solanki va > >> > >> escriure: > >> > > > Hi, > >> > > > While working on getting text bounds work I discovered that > >> > > > QWebFrame::hitTestContent(QPoint()) hits the outermost element, > >> > >> inside > >> > >> > > body. > >> > > > >> > > > Consider the below HTML, > >> > > > > >> > > > <section> > >> > > > <p id="p1">some text...</p> > >> > > > <div>...</div> > >> > > > <p id="p2">some other text..</p> > >> > > > </section> > >> > > > > >> > > > Now we have two QPoints; > >> > > > QPoint pt1 => which points somewhere within p1 > >> > > > QPoint pt2 => which points somewhere within p2 > >> > > > > >> > > > var ht1 = QWebFrame::hitTestContent(pt1); > >> > > > var ht2 = QWebFrame::hitTestContent(pt2); > >> > > > >> > > Why are you using hitTestContent to get the data? Isn't there > >> > >> something > >> > >> > > better? What's your plan? call hitTestContent for all the points or? > >> > > >> > Yes, I agree traversing the DOM is a better idea. > >> > > >> > I googled a bit & found that we cannot get the bounding rect of text > >> > >> from > >> > >> > webkit > >> > (source<http://comments.gmane.org/gmane.os.opendarwin.webkit.qt/1130>), > >> > >> but > >> > >> > we can get the bounding box of the HTML element. I don't get it, why it > >> > isn't possible, because in QWebView when we select any text, it gets > >> > highlighted, which is basically filling color in the bounding box of > >> > the > >> > text, which indirectly means that Webview knows the bounding rects. Do > >> > I > >> > make sense ? > >> > Please comment on this. > >> > >> What about the suggestion in that very same url of using qwebelement? > >> > >> Cheers, > >> > >> Albert > >> > >> > & if everything fails, QFontMetrics may be of some use. We can get the > >> > >> font > >> > >> > metrics, & using it + the bounding box of the HTML element, we can > >> > >> predict > >> > >> > the bounding rects. > >> > > >> > Cheers, > >> > Jaydeep > >> > > >> > > Cheers, > >> > > > >> > > Albert > >> > > > >> > > > Analysing ht1 & ht2 turns out that both of them point to the > >> > > > section > >> > > > element, which seems to be a little problem. I'm searching for > >> > > > other > >> > > > ways > >> > > > to do it. If you have any idea to get it work, please share. > >> > > > > >> > > > Cheers, > >> > > > Jaydeep > >> > > > >> > > _______________________________________________ > >> > > Okular-devel mailing list > >> > > Okular-devel@kde.org > >> > > https://mail.kde.org/mailman/listinfo/okular-devel > >> > >> _______________________________________________ > >> Okular-devel mailing list > >> Okular-devel@kde.org > >> https://mail.kde.org/mailman/listinfo/okular-devel _______________________________________________ Okular-devel mailing list Okular-devel@kde.org https://mail.kde.org/mailman/listinfo/okular-devel