Transparent (alpha) text in figures

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Nike Dattani
Nike Dattani on 1 Aug 2014
Answered: cui on 13 Sep 2021
Only a very small number of figure objects can be made transparent using the 'alpha' scale (RGB Alpha). Since such transparent colors cannot be emulated by RGB values alone, workarounds exist for figure objects such as lines:
Is there a workaround to make text transparent ?
Image Analyst
Image Analyst on 30 Mar 2015
What does that (Bounty) mean (other than a really good paper towel brand)?

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Answers (2)

Jan on 30 Mar 2015
Edited: Jan on 30 Mar 2015
Use getframe to get the contents of the figure. Then create the text with a white background and getframe again to get a copy of the written text. Then add the RGB values of the two images weighted by the alpha value. Finally the result is displayed by the image command.
The same method is applied in FEX: uibutton.

cui on 13 Sep 2021

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