Determine the (pixel) width of a string
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Max Heimann
am 3 Feb. 2022
Kommentiert: Benjamin Kraus
am 4 Feb. 2022
Hi,
I want to scale some ui elements according to the width of a string. E.g. the string 'abcdef' has 6 letters, but is obviously much wider than the string 'iiiiii', which also uses 6 letters.
Is there a good way to calculate the pixel width of a string?
(if Fontsize and Font are known)
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Benjamin Kraus
am 3 Feb. 2022
Bearbeitet: Benjamin Kraus
am 3 Feb. 2022
The only way I know of to do that in MATLAB is using the Extent property on text objects. The third element is the width, the fourth element is the height.
t1 = text(0.5,0.3,'abcdef','FontName','Times','FontSize',10);
t2 = text(0.5,0.5,'iiiiii','FontName','Times','FontSize',10);
t1.Units = 'pixels';
t1.Extent
t2.Units = 'pixels';
t2.Extent
5 Kommentare
Benjamin Kraus
am 4 Feb. 2022
The answer should be pretty close across different machines, but I'm not sure if you will get the exact same value across different computers. My guess is that the answer may depend very slightly on the operating system and perhaps the pixel density of the screen, but I could be wrong about that.
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