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techsharad / javacv

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canvas.showimage opens empty window on Mac OS Lion #314

Closed GoogleCodeExporter closed 9 years ago

GoogleCodeExporter commented 9 years ago 
I just installed javaCV and OpenCV. I tried running one of the examples, 
related to Blob detections. The Program runs fine, I can get the values out on 
the console and save modified images, but the canvas.showimage call always 
opens an empty grey window. Even just loading and calling the showImage does 
not work.

Any thoughts?

Original issue reported on code.google.com by marcomoby on 3 May 2013 at 9:07

GoogleCodeExporter commented 9 years ago 
Could you also try to run the Demo class in the README.txt file? Does the same 
thing happen?

Original comment by samuel.a...@gmail.com on 10 May 2013 at 7:52

GoogleCodeExporter commented 9 years ago 
actually yes, I just tried, is there a way to get you more information about 
that? Could be the environment not being set properly?

Original comment by marcomoby on 10 May 2013 at 9:01

GoogleCodeExporter commented 9 years ago 
Hum, there may be a bug in Java on Mac I suppose. Does calling something like 
`canvas.setCanvasSize(100, 100)` do anything interesting?

Original comment by samuel.a...@gmail.com on 10 May 2013 at 9:23

GoogleCodeExporter commented 9 years ago 
Can anyone else confirm this issue??

Original comment by samuel.a...@gmail.com on 16 Sep 2013 at 11:37

GoogleCodeExporter commented 9 years ago 
I can confirm this as well. Shows a blank screen on Mavericks.

Original comment by kenny@the-b.org on 1 Jan 2014 at 8:24

GoogleCodeExporter commented 9 years ago 
Does enabling/disabling any of these options change anything?
https://developer.apple.com/library/mac/documentation/Java/Reference/Java_Proper
tiesRef/Articles/JavaSystemProperties.html

Original comment by samuel.a...@gmail.com on 4 Jan 2014 at 2:07

GoogleCodeExporter commented 9 years ago 
Issue 487 has been merged into this issue.

Original comment by samuel.a...@gmail.com on 15 Oct 2014 at 1:10

GoogleCodeExporter commented 9 years ago 
Fix available here:
https://github.com/bytedeco/javacv/commit/89337d9295ec92809ab9bb546a5631ab19d7ce
f1

Original comment by samuel.a...@gmail.com on 19 Oct 2014 at 12:19

GoogleCodeExporter commented 9 years ago 
Fix included in JavaCV 0.10. Thanks for reporting!

Original comment by samuel.a...@gmail.com on 25 Dec 2014 at 11:32