[webkit-qt] printing unit tests

Milian Wolff milian.wolff at kdab.com
Wed Apr 18 04:55:14 PDT 2012

On Friday 13 April 2012 16:38:16 Milian Wolff wrote:
> On Wednesday 11 April 2012 20:05:39 Milian Wolff wrote:
> > Hey all,
> > 
> > I'm interested in improving the printing support of the QtWebKit port.
> > 
> > I notice that a lot of unit tests are skipped and that apparently
> > isPrinting() is not implemented/handled at all yet.
> > 
> > For quite some time now I'm trying to figure out what exactly would be
> > required to get this done but it seems to be far from easy... Is there any
> > documentation besides the chromium spagetthi test code on how the output
> > should look like or when to output what (image, text, both, ...)?
> > 
> > As far as I can see, I will probably have to handle the isPrinting() mode
> > in DumpRenderTreeQt.cpp ~ ::dump() in the if(m_dumpPixels) branch.
> > Currently, that only paints the viewportSize() to an image. If I'm not
> > mistaken, one needs to create a copy or QWebFrame::print, similar to
> > chromiums'
> > WebViewHost::paintPagesWithBoundaries. But what are the requirements on
> > the
> > output? Is there *any* documentation on what the tests should output?
> I've done this now, see the attached patch. It kind-of-works, e.g. for
> media- queries-print.html: http://imagebin.org/207870
> But for setPrint.html I see horrible render bug which I do not the reason
> to:
> http://imagebin.org/207871
> Note how the right border of the box is not properly drawn. Furthermore, the
> box is one pixel too high, or well - the bottom border is painted one pixel
> too far below. Compare to e.g.
> LayoutTests/platform/mac/printing/setPrinting- expected.png to see how it
> should look like.
> So... has anyone an idea of what could be going on here?


Could someone help me out here please? Or at least give me a review on the 

Milian Wolff | milian.wolff at kdab.com | Software Engineer
KDAB (Deutschland) GmbH&Co KG, a KDAB Group company
Tel. Germany +49-30-521325470, Sweden (HQ) +46-563-540090
KDAB - Qt Experts - Platform-independent software solutions
-------------- next part --------------
A non-text attachment was scrubbed...
Name: signature.asc
Type: application/pgp-signature
Size: 198 bytes
Desc: This is a digitally signed message part.
URL: <http://lists.webkit.org/pipermail/webkit-qt/attachments/20120418/5e36035f/attachment.bin>

More information about the webkit-qt mailing list