This example is explained to draw a rectangle, however in the code it uses the line f(x) when it should use the rect() function. It's the same issue with the noStroke, height, width examples. it's confusing to newbies or someone not trying to work each function in the library.
In the TFTPoint example, it should use the stroke(X,X,X) instead of fill(X,X,X)
Colors chosen in the Draw Circle example could have been more contrast with each. Gray and White blend too close. The radius of circle could have been made a little bigger for better demonstrating.
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I have submitted issue reports for the errors you reported:
encryptor:
This example is explained to draw a rectangle, however in the code it uses the line f(x) when it should use the rect() function. It's the same issue with the noStroke, height, width examples.
Reported at:
and
encryptor:
In the TFTPoint example, it should use the stroke(X,X,X) instead of fill(X,X,X)
Reported at:
encryptor:
Colors chosen in the Draw Circle example could have been more contrast with each. Gray and White blend too close. The radius of circle could have been made a little bigger for better demonstrating.
I have not reported these improvement suggestions because I don't have any experience with this hardware or library. You are welcome to submit an issue report. The people with the ability to make this change will almost certainly not see this forum post.