[Interest] iOS LaunchImages? : WAS: Image and Canvas get pixelated on retina iOS devices

Thu, 09 Jul 2015 12:30:52 -0700

I'm finally trying to get myu launch images to work. I've not had any success.  I've been following the guide at http://doc.qt.io/qt-5/platform-notes-ios.html. 
 
Whereas my first attempts did not flat out work, (got the default black text on white) 
Now I just get a blank screen (The launch image is a gradient). The test device is a iphone 5S, 1136x640. What entries do I need in the plist for this resolution specifically?
 
Many thanks.
 
Sent: Thursday, July 09, 2015 at 9:43 AM
From: "Nuno Santos" <nunosan...@imaginando.pt>
To: "Federico Buti" <bacaro...@gmail.com>
Cc: "Interests Qt" <interest@qt-project.org>
Subject: Re: [Interest] Image and Canvas get pixelated on retina iOS devices
Frederico,
 
Thanks for your input. I will take this into account! Thanks for the highlight.
 
Regarding the Canvas, let’s patiently wait for a fix.
 
Regards,
 
Nuno Santos
Founder / CEO / CTO
www.imaginando.pt
+351 91 621 69 62
 
On 09 Jul 2015, at 14:13, Federico Buti <bacaro...@gmail.com> wrote:
 
Good to hear that Nuno. :)
Anyway I was talking about this yesterday (just to be clear that I wasn't saying stupid things):
 
"On OS X and iOS, you can provide alternative resources with double the size and the @2x identifier for icons and images and place them in the resource file. On Retina displays, the @2x versions are used automatically."
 
And with double the size comes a good overall look. Anyhow, your images are big enough if the result now is good. Ok that way.
For what concerns Canvas, that's probably the quite annoying bug Mitch highlighted. Pretty bad. 
 
Chhers,
F.
 
 
On 9 July 2015 at 13:00, Nuno Santos <nunosan...@imaginando.pt> wrote:
Hi guys,
 
I have solved my problem by removing 
 
source.height
source.width 
 
from all the images. 
 
I was using this to save memory.
 
The problem on the canvas remains though...
 
Nuno Santos
Founder / CEO / CTO
www.imaginando.pt
 
On 08 Jul 2015, at 12:49, Nuno Santos <nunosan...@imaginando.pt> wrote:
 
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
 
On 08 Jul 2015, at 12:32, Daniel França <daniel.fra...@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/
 
Em qua, 8 de jul de 2015 às 13:19, Nuno Santos <nunosan...@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
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