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Dec 31st, 2005, 7:29 PM
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Transparent GUI?
Does anyone know if its possible to change the opacity of a GUI in Swing, or make it transparent?
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Jan 1st, 2006, 6:46 PM
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#2 |
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Bump-Izzle!?
since i cant edit previous post, i meant to say on a JFrame can i make it somewhat invisible.
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Jan 1st, 2006, 7:45 PM
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#3 |
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I'm a little fuzzy on this at the moment (it is the day after New Years, after all
 ) Anyway, IIRC, you will have to use JNI because it is the Windows OS that controls how the windows are drawn, so it is Windows that must be manipulated.
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Jan 2nd, 2006, 11:58 AM
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#4 |
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There is a non native way to do it, however, I'm not sure how fast or smooth it is. I have tried things similar to this to make transparent backgrounds and they seem to work fairly well, but when I dragged them around to fast I saw a little distortion while they were repainting. Try it out and see what you think.
http://www.onjava.com/pub/a/onjava/e...inghks_hack41/ |
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Jan 2nd, 2006, 12:10 PM
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#5 |
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I saw that method also, but to me that isn't really making the window transparent, but I suppose if it serves the purpose, then why not use it.
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Jan 2nd, 2006, 2:36 PM
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#6 |
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thanx, alcdotcom, it works perfectly, for 100+ lines of code!?, god why couldnt sun just implement a transparency feature in java themselves...jerks...
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Jan 2nd, 2006, 3:02 PM
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#7 |
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I assume because Sun's goal is to make Java completely platform independant (not all OSes support transparency), and because the Swing is a pretty old toolkit, designed when transparency support was not commonplace. Sun also tend to take their sweet time with updates
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Jan 2nd, 2006, 3:06 PM
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#8 | |
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Quote:
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Jan 4th, 2006, 3:16 PM
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Being platform independant has its advantages, but when you want a specific platform behaviour (beyond L&F) it can be annoying. They have added some new features to Mustang (JDK 1.6) that will fill some of the gaps. Maybe they'll even uptade the HTMLEditor kit support modern web standards so I can stop using 3rd party code to render HTML.
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Jan 8th, 2006, 4:35 PM
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#10 |
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ok is there anyway i can interface with windows or something along those lines, screw cross platform i just want a friggin transparent gui.(not transparent, but change the opacity to less than 100%), i know you can do it in C#, so is there a windows api i should look for?
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