Make a chart on iPhone

I am new to iPhone and I want to make part of a rectangle to display coordinates. It’s just like one bar when you change the value in the parameters and the percentage change in the strip. Can someone help me? Thank.

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3 answers
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CGRect CGRectMake (float x, float y, float width, float height)

x and y fixed width and height depend on the orientation of your stroke, calculate the length of the bar on itself

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DSBarChart. Objective-C.

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Source: https://habr.com/ru/post/1795981/


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