bugGNUstep - Bugs: bug #34833, [windows] NSImageView and large...

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bug #34833: [windows] NSImageView and large images

Submitter:  Riccardo Mottola <rmottola>
Submitted:  Tue 15 Nov 2011 04:20:32 PM UTC
   
 
Category:  Backend Severity:  3 - Normal
Item Group:  Bug Status:  None
Privacy:  Public Assigned to:  None
Open/Closed:  Open
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Sun 06 May 2012 01:18:33 PM UTC, comment #2: 

I just started to see a similar problem on Linux with the cairo backend. Not sure if this is related, but when I display a huge image in a normal NSView inside a scroll view and start to scroll, then the views stays empty and need ot trigger a redraw for the image to get displayed.

This may be completely unrelated, but is just as annoying as your problem :-)

 Fred Kiefer <FredKiefer>
Group Member
Thu 24 Nov 2011 09:24:31 AM UTC, comment #1: 

Could you please check whether there was any output from the backend explaining what went wrong. On Windows this output will end up in the Windows event log, unless you run the application in a debugger.

 Fred Kiefer <FredKiefer>
Group Member
Tue 15 Nov 2011 04:20:32 PM UTC, original submission:  

When displaying a big image in an NSImageView inside a scroll-view, on Windows, it is not displayed at all (the scroll-view size is calculated correctly though).

I am referring to imaqges like 5000x3000 pixels.

Reproduce:
Open LaternaMagica, add a large image. if large enough, it will display gray (the scrollbars resize correctly).
Smaller images do work fine.

The same image will display correctly on gnustep running on linux.

Riccardo

 Riccardo Mottola <rmottola>
Group Member

 

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    Follow 3 latest changes.

    Date Changed by Updated Field Previous Value => Replaced by
    2012-05-06 FredKiefer Summary[windows] NSIMageView and large images [windows] NSImageView and large images
    2011-11-24 FredKiefer Item GroupNone Bug
    2011-11-15 rmottola Summary[windows] [windows] NSIMageView and large images

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