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Grey background in screen capture

Mikko Kohtamäki
Ranch Hand

Joined: Dec 13, 2008
Posts: 112
Hello,

I have extended JToolTip to make fade-in effect for it, well it works nice but when tooltip is painted partly outside of main JFrame it uses HeavyWeightWindow created in javax.swing.Popup. And for that I have to get screen capture from region where this tooltip component lies.

I dont know what it is but when I create screen capture from exactly region where tooltip component lies the image is grey, now if I move the regions y coordinate lets say +10 the captured image is correct but +10 away from correct position.

Or now I noticed that screen capture wont work behind the javax.swing.Popup$HeavyWeightWindow window. ??? WHY NOT ???
How to fix this problem ???

Mikko Kohtamäki
Ranch Hand

Joined: Dec 13, 2008
Posts: 112
Ok, I was a bit too hasty.

I worked two lines:



At this point it captures the background just fine
 
It is sorta covered in the JavaRanch Style Guide.
 
subject: Grey background in screen capture
 
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