[Interest] Image and Canvas get pixelated on retina iOS devices

Curtis Mitch mitch.curtis at theqtcompany.com
Wed Jul 8 14:44:07 CEST 2015


Probably this one:

https://bugreports.qt.io/browse/QTBUG-37095

> -----Original Message-----
> From: interest-bounces+mitch.curtis=theqtcompany.com at qt-project.org
> [mailto:interest-bounces+mitch.curtis=theqtcompany.com at qt-project.org]
> On Behalf Of jhihn at gmx.com
> Sent: Wednesday, 8 July 2015 2:28 PM
> To: Nuno Santos; "Daniel França"; Interests Qt
> Subject: Re: [Interest] Image and Canvas get pixelated on retina iOS
> devices
> 
> There is already a bug filed.  One person reported you could render the
> canvas at 2x then scale back down to 1x.
> 
> The canvas does not take into account the  devicePixelRatio
> 
> -----Original message-----
> Sent: Wednesday, 08 July 2015 at 13:49:36
> From: "Nuno Santos" <nunosantos at imaginando.pt>
> To: "Daniel França" <daniel.franca at gmail.com>
> Subject: Re: [Interest] Image and Canvas get pixelated on retina iOS
> devices
> I have added this to the .plist:
> 
> <key>NSHighResolutionCapable</key>
> <true />
> 
> But it didn’t made any difference…
> 
> Nuno Santos
> Founder / CEO / CTO
> www.imaginando.pt
> +351 91 621 69 62
> 
> > On 08 Jul 2015, at 12:32, Daniel França <daniel.franca at gmail.com>
> wrote:
> >
> > Maybe you need to add NSHighResolutionCapable to Info.plist?
> > http://blog.qt.io/blog/2013/04/25/retina-display-support-for-mac-os-
> ios-and-x11/ <http://blog.qt.io/blog/2013/04/25/retina-display-support-
> for-mac-os-ios-and-x11/>
> >
> > Em qua, 8 de jul de 2015 às 13:19, Nuno Santos
> <nunosantos at imaginando.pt <mailto:nunosantos at imaginando.pt>> escreveu:
> > Hi,
> >
> > On my app, Images and Canvas gets pixelated on iOS retina devices. Is
> this a bug? Or do I need to do anything additionally? Images don’t
> behave this way on high resolution Android devices. Please look the
> attached screenshot.
> >
> >
> > <iOS Simulator Screen Shot 08 Jul 2015 12.18.19.png>
> >
> > Nuno Santos
> > Founder / CEO / CTO
> > www.imaginando.pt <http://www.imaginando.pt/>
> > +351 91 621 69 62
> >
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> <http://lists.qt-project.org/mailman/listinfo/interest>
> 
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