Method DataCanvas

plot.go:182–193

DataCanvas returns a new draw.Canvas that is the subset of the given draw area into which the plot data will be drawn.

(da draw.Canvas)

// is the subset of the given draw area into which
// the plot data will be drawn.
func (p *Plot) DataCanvas(da draw.Canvas) draw.Canvas {
	if p.Title.Text != "" {
		rect := p.Title.TextStyle.Rectangle(p.Title.Text)
		da.Max.Y -= rect.Size().Y
		da.Max.Y -= p.Title.Padding
	}
	p.X.sanitizeRange()
	x := horizontalAxis{p.X}
	p.Y.sanitizeRange()
	y := verticalAxis{p.Y}
	return padY(p, padX(p, draw.Crop(da, y.size(), 0, x.size(), 0)))
}

// DrawGlyphBoxes draws red outlines around the plot's
// GlyphBoxes.  This is intended for debugging.