MATLAB Answers

MATLAB GUI - Set transparent background color for components

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YIMING
YIMING 21 May 2011
댓글: shalu vijay 25 Feb 2019
When I'm adding a MATLAB GUI component (e.g., text, button group, etc.), the default background is gray, which makes it look dissonant. How do I set them transparent?

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Matt Fig
Matt Fig 21 May 2011
For example....
F = figure;
B = uicontrol('style','text','string','hello');
pause(.75) % Pause to see the change....
set(B,'backgroundcolor',get(F,'color'))

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Matt Fig
Matt Fig 21 May 2011
To do that you will have to use Java, as Daniel suggest below. However, this is always a little dangerous because what works with Java in one release of MATLAB may not work with another, and may not work on different platforms. It is usually better to use a workaround like I show if you plan on sharing or possibly demonstrating your GUI on another machine...
Matt Fig
Matt Fig 21 May 2011
Actually, you can do similar with an image... look for example at GUI_40 here:
http://www.mathworks.com/matlabcentral/fileexchange/24861-41-complete-gui-examples
shalu vijay
shalu vijay 25 Feb 2019
The GUI_40 is working only for push buttons. It is not making other objects like text and check boxes transparent.

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Daniel Shub
Daniel Shub 21 May 2011
You cannot easily have the uicontrols (i.e., gui components) be transparent. You can force it with java:
but probably not directly from guide wth mouse clicks.
You can set it to the figure background color like Matt suggests.
This can be done in guide by right clicking the object, selecting object properties, and then setting the background color property.

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Robert Cumming
Robert Cumming 12 Dec 2014
I know this is an old post - but if anyone comes across this you may be interested in this blog on undocumentedmatlab

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