Golang DrawArea.Center Examples

Example #1

File: line.go Project: Tradnaiofh/plotinum

// Thumbnail the thumbnail for the Line,
// implementing the plot.Thumbnailer interface.
func (pts *Line) Thumbnail(da *plot.DrawArea) {
	if pts.ShadeColor != nil {
		points := []plot.Point{
			{da.Min.X, da.Min.Y},
			{da.Min.X, da.Max().Y},
			{da.Max().X, da.Max().Y},
			{da.Max().X, da.Min.Y},
		}
		poly := da.ClipPolygonY(points)
		da.FillPolygon(*pts.ShadeColor, poly)

		points = append(points, plot.Pt(da.Min.X, da.Min.Y))
	} else {
		y := da.Center().Y
		da.StrokeLine2(pts.LineStyle, da.Min.X, y, da.Max().X, y)
	}
}

Example #2

File: scatter.go Project: Tradnaiofh/plotinum

// Thumbnail the thumbnail for the Scatter,
// implementing the plot.Thumbnailer interface.
func (pts *Scatter) Thumbnail(da *plot.DrawArea) {
	da.DrawGlyph(pts.GlyphStyle, da.Center())
}