The axis at zero, when the group shows one and zero is within the vertical range.
One per point drawn, for columns and win/loss; empty for a line.
The line through the points, broken where an empty cell is a gap: one array of points per
unbroken run. null for columns and win/loss.
The line's markers and its highlighted points; empty for columns and win/loss.
The vertical range the values were scaled to; null when there is nothing to draw.
Where the points are drawn: the box less its margins.
The cell's box in px.
A sparkline laid out: its line, columns, markers and axis, in px from the cell's top-left. A painter translates it and decides nothing.
Remarks
Plain data, never stored on the model: it is computed from the sparkline's values, its group's properties, the theme and a size.
color.toCSS(), orcolor.toRGBA(darkMode)for a dark grid.