Buttons on top of bitmap?
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Jason
on 10 Mar 2015
Commented: Michael Haderlein
on 10 Mar 2015
Is it possible to display an image and on top of that image have a button (preferably using GUIDE). The reason is that I have a GUI that controls a stage for a microscope. I want to have buttons to act as a joystick i.e. up, down, left and right. Ideally I would like to have a button that is shaped like an arrow but this is not possible, so the next best thing is to have an image of an arrow, and place the button inside it.
Thanks Jason
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Michael Haderlein
on 10 Mar 2015
You might find this contribution useful (if I remember correctly, you can rotate the string by 90°):
Otherwise, usually the characters <>v^ are fine to represent the four directions
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Michael Haderlein
on 10 Mar 2015
You can use the CData value of the uicontrol for showing an image. It needs a m x n x 3 array with the RGB information. NaN is transparent. That's also the way the file exchange contribution is working.
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