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Is it possible to make a JFrame that has a transparent background and draw an image on it, so only the image will be visible with no border or background?
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You can simply create your jPanel using drag and drop, as you always do and then for changing the panel's color and making it transparent or semi-transparent you can use this code: panel. setBackground(new Color(0.0f, 0.0f, 0.0f, 0.5f));
The alpha value defines the transparency of a color and can be represented by a float value in the range 0.0 - 1.0 or 0 - 255. An alpha value of 1.0 or 255 means that the color is completely opaque and an alpha value of 0 or 0.0 means that the color is completely transparent.
In general, to set the JFrame background color, just call the JFrame setBackground method, like this: jframe. setBackground(Color. RED);
Yes, it's possible in many ways. This is one of them:
setUndecorated(true);
setBackground(new Color(1.0f,1.0f,1.0f,0.5f));
4th float (which I set to 0.5f) in Color's constructor is alpha channel. It can be 0.0f - 1.0f depend on transparency you want.
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See Translucent and Shaped Swing Windows by Kirill Grouchnikov.
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