[Interest] QtSVG deprecated

[Martin Holmes]

This is really useful -- many thanks indeed.

I'm not bothered about getting in the Mac App Store. Seems like a lot of 
difficult hoop-jumping just to give Apple a huge percentage of your 
income, with the added risk of being booted out unexpectedly for no good 
reason. :-)

Cheers,
Martin

On 12-01-10 09:42 AM, Chris Meyer wrote:
> On Tue, Jan 10, 2012 at 5:13 AM, Martin Holmes<mholmes at uvic.ca>  wrote:
>> This all seems very disappointing to me. How would you actually use
>> webkit to provide SVG support to QImage?
>
> I extracted this code from my source to convert SVG to QImage using
> QtWebKit. It's untested in this specific form, but should give you the
> idea.
>
> And, again, if you want any chance of being accepted on the Mac App
> Store, you can't include QtWebKit (at least in its current form, which
> uses a library that Apple provides that uses private API calls).
>
> #include<QGraphicsWebView>
>
> QImage makeSvgImage(const QSize&svg_size,
>                       const QByteArray&svg_byte_array,
>                       const QString&svg_mime_type)
> {
>      QImage image(svg_size);
>      image.fill(Qt::transparent);
>
>      QPainter painter(&image);
>      painter.setRenderHint(QPainter::Antialiasing);
>      painter.setRenderHint(QPainter::SmoothPixmapTransform);
>      painter.setRenderHint(QPainter::TextAntialiasing);
>
>      QRect frame(QPoint(), image.size());
>      std::auto_ptr<QGraphicsScene>  scene(new QGraphicsScene(frame));
>      QGraphicsWebView *web_view = new QGraphicsWebView();
>      web_view->setGeometry(frame);
>      web_view->setContent(svg_byte_array, svg_mime_type);
>      web_view->setOpacity(0.001); // work around bug in web view 4.8
> (draws white background without this)
>      scene->addItem(web_view);
>
>      scene->render(&painter);
>
>      return image;
> }
> .
>

-- 
Martin Holmes
University of Victoria Humanities Computing and Media Centre
(mholmes at uvic.ca)