[LineChartView] Overflow curve line about hellocharts-android

[lecho]

Hi, I was aware that cubic curve can exceed chart top and bottom values but I didn't notice that in case of three points with the same Y value, usually it happens when you have three values with significant Y value difference, Bezier's curves behave that way. On the library level It could be fixed by calculating curve bounding box(I think Path class has method for that) but it will required some additional work with Viewport adjustment. I'm going to investigate that issue next week.

As a workaround you can try to modify chart's Viewport:

final Viewport v = new Viewport(chart.getMaximumViewport());
v.top = v.top + 2;//2 is just example value
v.bottom = v.bottom - 2; 
chart.setMaximumViewport(v);
chart.setCurrentViewport(v);

[dtt42]

Thanks for your quick reply and the workaround. I will try it on my project.

Have a great day and happy new year!

[lecho]

Unfortunately I will not be able to change behavior of cubic lines, closing with wintfix:(