PhantomJS depends on Qt's rendering system to generate PDF. There are some quality issues with the PDF output (with some specific sorts of HTML content that a client is using). I believe I can do a better job by directly targeting HTML-to-PDF conversion, rather than going through Qt's QPainter API.
But that's certainly a fair question. I'll do some comparisons when my code is working. (I accidentally emailed this response directly to David instead of the mailing list -- sorry.) - Derek On 2013 Aug 30, David Tucker wrote: > > Just out of curiosity, are you doing something that phantomjs doesn't? > > dave > > > On Aug 30, 2013, at 11:35 AM, Derek B. Noonburg wrote: > >> I'm working on a custom WebKit port that converts HTML to a list of >> drawing operations (essentially each GraphicsContext call generates an >> entry on the list). The ultimate goal is an HTML-to-PDF converter. The >> second part of the project will convert the list of drawing operations >> to PDF. >> >> This is all being done "headless", without any sort of GUI. >> >> One problem I'm running into is the event loop. Right now, my code >> loads a URL (FrameLoader::load()), and then goes into a loop to handle >> timer callbacks (which are set with >> WebCore::setSharedTimerFireInterval()). When loading is finished >> (FrameLoaderClient::dispatchDidFinishLoad()), the event loop exits. >> >> That works fine for basic stuff, but doesn't handle asynchronous >> JavaScript (e.g., if JavaScript code is waiting on a timer, or for >> WebSocket data, etc.) at all. >> >> Is there a good way to handle this? >> >> I have the possibility of adding some JavaScript code to emit some sort >> of "finished" signal (as long as the code can still run in a regular >> browser). What would be the easiest way to pick up that signal from the >> WebKit side? I haven't really looked into the JSC code very much yet. >> >> (If this post would be more appropriate on webkit-dev, please let me >> know.) >> >> - Derek >> >> _______________________________________________ >> webkit-help mailing list >> webkit-help@lists.webkit.org >> https://lists.webkit.org/mailman/listinfo/webkit-help > _______________________________________________ webkit-help mailing list webkit-help@lists.webkit.org https://lists.webkit.org/mailman/listinfo/webkit-help
