drawBarStack abstract method
Renders a stack of bars, rounding the last bar in the stack.
The first bar of the stack is expected to be the "base" bar. This would be the bottom most bar for a vertically rendered bar.
drawAreaBounds
if specified and if the bounds of the rectangle exceed
the draw area bounds on the top, the first x pixels (decided by the native
platform) exceeding the draw area will apply a gradient to transparent
with anything exceeding the x pixels to be transparent.
Implementation
void drawBarStack(CanvasBarStack canvasBarStack,
{Rectangle<num>? drawAreaBounds});