Migrate bar_chart_painter to new functional approach
Migrate bar_chart_painter to new functional approach

imaNNeoFighT/fl_chart,imaNNeoFighT/fl_chart,imaNNeoFighT/fl_chart,imaNNeoFighT/fl_chart,imaNNeoFighT/fl_chart,imaNNeoFighT/fl_chart,imaNNeoFighT/fl_chart