// Plot implements the Plotter interface, drawing a line
// that connects each point in the Line.
func (h *Histogram) Plot(da plot.DrawArea, p *plot.Plot) {
trX, trY := p.Transforms(&da)
for _, bin := range h.Bins {
pts := []plot.Point{
{trX(bin.Min), trY(0)},
{trX(bin.Max), trY(0)},
{trX(bin.Max), trY(bin.Weight)},
{trX(bin.Min), trY(bin.Weight)},
}
if h.FillColor != nil {
da.FillPolygon(h.FillColor, da.ClipPolygonXY(pts))
}
pts = append(pts, plot.Point{trX(bin.Min), trY(0)})
da.StrokeLines(h.LineStyle, da.ClipLinesXY(pts)...)
}
}