For help, consult the chart below this is how to do?-CodePudding

For help, consult the chart below this is how to do?
Digital control ball how random drag curve shape

CodePudding user response:

Don't rely on chart library, direct use of drawing API, what tables to draw not to come out?

CodePudding user response:

reference 1st floor Italink response:

don't rely on chart library, direct use of drawing API, what tables to draw not to come out?

With the QCustomPlot effect

CodePudding user response:

reference 1st floor Italink response:

don't rely on chart library, direct use of drawing API, what tables to draw not to come out?

Moderator this point is still in reply, tears

CodePudding user response:

Digital ball their inherited from QWidget using simple mouse events, internal storage coordinates, and need only read the Qpainter controls the value of the curve plotting

CodePudding user response:

young inaction CPP reference 3 floor response:

Quote: refer to 1st floor Italink response:

Don't rely on chart library, direct use of drawing API, what tables to draw not to come out?

The moderator also in response to this point, the tears eye

I am not a moderators, don't know what is a bug or, many people have

CodePudding user response:

reference 4 floor Italink response:

digital ball his inherited from QWidget simple implementation, using the mouse event Qpainter internal storage coordinates, but only need to read these controls the value of the curve plotting

Uh huh, okay, abundant oneself start work, thank you moderator greatly

CodePudding user response:

reference 5 floor Italink reply:

Quote: refer to the third floor was nothing CPP response:

Quote: refer to 1st floor Italink response:

Don't rely on chart library, direct use of drawing API, what tables to draw not to come out?

The moderator also in response to this point, the tears eye

I am not a moderators, don't know what is a bug or, many people have

don't care about those details, anyhow thanks orz

CodePudding user response:

Seems to be a bezier curve, the Windows in the library,

CodePudding user response:

refer to the eighth floor zjq9931 response:

seems a bezier curve, the Windows in the library,

I can't see 11 points

CodePudding user response:

refer to the eighth floor zjq9931 response:

seems a bezier curve, the Windows in the library,

8 not 12 Bessel