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Affinity Photo 1.7.2 – random unpredictable zigzag strips across the art board in 10.7.5


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This is an old issue that happens in every version of AP going back to 1.6.  Whenever a new doc is created, as soon as I manipulate the art board using Trackpad gestures (pinch to zoom, scroll) , I get the graphical mess obscuring the blank view, effectively preventing me from even starting. The weird thing is that it manifests after long period of inactivity or - and this is just a wild guess – after system reboot. I can never know when and why it will emerge again. Launching it more than once, I now can't even get those zigzags to record with QuickTime Player to demonstrate. Occasionally, the mess occurs when I open a new doc but other than that it goes away. I know for sure the issue keeps out of sight to return later at some point. 

The OS in question is Mac OS X Lion

MacBook-Pro mid-2012 15.4" 1440 x 900 Core i7 2.3 GHz DDR3 1600 MHz 16GB NVIDIA GeForce GT 650M 512 MB + Intel HD Graphics 4000 1024 MB CT1000MX500SSD1 1TB + CT500MX500SSD1 500 GB Crucial

AFFINITY DESIGNER 1.10

mav-mo.png.20c400d1ec6e0c9b65f5a06740ce8016.png

 

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The issue has mystically gone. I don't know what caused it. I have both old and new versions. 

MacBook-Pro mid-2012 15.4" 1440 x 900 Core i7 2.3 GHz DDR3 1600 MHz 16GB NVIDIA GeForce GT 650M 512 MB + Intel HD Graphics 4000 1024 MB CT1000MX500SSD1 1TB + CT500MX500SSD1 500 GB Crucial

AFFINITY DESIGNER 1.10

mav-mo.png.20c400d1ec6e0c9b65f5a06740ce8016.png

 

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Ok, so another observation of mine. The issue would go away when I record the screen. Does screen recording in macOS utilize the dedicated graphics card if it's present in the machine (it is in mine - nVidia GT 650M)? If yes then this tells me that at some point hardware acceleration is not used properly in 10.7.5. BTW, it occasionally  would happen in 10.9.5 as well.

As for the requested pictures I already had uploaded screenshots earlier in the other thread about the same issue, click the link.

Stripped artboard - Lion

 

MacBook-Pro mid-2012 15.4" 1440 x 900 Core i7 2.3 GHz DDR3 1600 MHz 16GB NVIDIA GeForce GT 650M 512 MB + Intel HD Graphics 4000 1024 MB CT1000MX500SSD1 1TB + CT500MX500SSD1 500 GB Crucial

AFFINITY DESIGNER 1.10

mav-mo.png.20c400d1ec6e0c9b65f5a06740ce8016.png

 

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  • 2 weeks later...

Hello,

I managed to capture a lot more of this glitch. Watch what happens opening and zooming and panning across a SVG image.

 

 

 

MacBook-Pro mid-2012 15.4" 1440 x 900 Core i7 2.3 GHz DDR3 1600 MHz 16GB NVIDIA GeForce GT 650M 512 MB + Intel HD Graphics 4000 1024 MB CT1000MX500SSD1 1TB + CT500MX500SSD1 500 GB Crucial

AFFINITY DESIGNER 1.10

mav-mo.png.20c400d1ec6e0c9b65f5a06740ce8016.png

 

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  • Staff

Thanks. We've not seen this before. It's most likely a hardware/driver issue on your machine, as we could not replicate this here, nor had any other reports of this issue so far. I will pass this on to our developers, but it's unlikely we can "fix" it. 

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