Interface Thumbnailer

legend.go:71–77

Thumbnailer wraps the Thumbnail method, which draws the small image in a legend representing the style of data.

// draws the small image in a legend representing the
// style of data.
type Thumbnailer interface {
	// Thumbnail draws an thumbnail representing
	// a legend entry.  The thumbnail will usually show
	// a smaller representation of the style used
	// to plot the corresponding data.
	Thumbnail(c *draw.Canvas)
}

// NewLegend returns a legend with the default parameter settings.
func NewLegend() Legend {