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Golang Path.Arc方法代码示例

本文整理汇总了Golang中github.com/gonum/plot/vg.Path.Arc方法的典型用法代码示例。如果您正苦于以下问题:Golang Path.Arc方法的具体用法?Golang Path.Arc怎么用?Golang Path.Arc使用的例子?那么恭喜您, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在github.com/gonum/plot/vg.Path的用法示例。


在下文中一共展示了Path.Arc方法的2个代码示例,这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞,您的评价将有助于系统推荐出更棒的Golang代码示例。

示例1: DrawGlyph

// DrawGlyph implements the GlyphDrawer interface.
func (CircleGlyph) DrawGlyph(c *Canvas, sty GlyphStyle, pt Point) {
	var p vg.Path
	p.Move(pt.X+sty.Radius, pt.Y)
	p.Arc(pt.X, pt.Y, sty.Radius, 0, 2*math.Pi)
	p.Close()
	c.Fill(p)
}
开发者ID:nolenroyalty,项目名称:bangarang,代码行数:8,代码来源:canvas.go

示例2: Draw

func (point GrobPoint) Draw(vp Viewport) {
	vp.Canvas.Push()
	vp.Canvas.SetColor(point.color)
	vp.Canvas.SetLineWidth(1)
	x, y := vp.X(point.x), vp.Y(point.y)
	s := vg.Points(point.size)
	var p vg.Path

	draw := vp.Canvas.Stroke
	if point.shape >= SolidCirclePoint && point.shape <= SolidNablaPoint {
		draw = vp.Canvas.Fill
	}

	switch point.shape {
	case BlankPoint:
		return
	case DotPoint:
		dpi := vp.Canvas.DPI()
		p.Arc(x, y, vg.Inch/vg.Length(dpi), 0, 2*math.Pi)
		p.Close()
		vp.Canvas.Fill(p)
	case CirclePoint, SolidCirclePoint:
		p.Arc(x, y, vg.Points(point.size), 0, 2*math.Pi)
		p.Close()
		draw(p)
	case SquarePoint, SolidSquarePoint:
		p.Move(x-s, y-s)
		p.Line(x+s, y-s)
		p.Line(x+s, y+s)
		p.Line(x-s, y+s)
		p.Close()
		draw(p)
	case DiamondPoint, SolidDiamondPoint:
		p.Move(x, y-s)
		p.Line(x+s, y)
		p.Line(x, y+s)
		p.Line(x-s, y)
		p.Close()
		draw(p)
	case DeltaPoint, SolidDeltaPoint:
		ss := 0.57735 * s
		p.Move(x, y+2*ss)
		p.Line(x-s, y-ss)
		p.Line(x+s, y-ss)
		p.Close()
		draw(p)
	case NablaPoint, SolidNablaPoint:
		ss := 0.57735 * s
		p.Move(x, y-2*ss)
		p.Line(x-s, y+ss)
		p.Line(x+s, y+ss)
		p.Close()
		draw(p)
	case CrossPoint:
		ss := s / 1.3
		p.Move(x-ss, y-ss)
		p.Line(x+ss, y+ss)
		p.Move(x-ss, y+ss)
		p.Line(x+ss, y-ss)
		draw(p)
	case PlusPoint:
		p.Move(x-s, y)
		p.Line(x+s, y)
		p.Move(x, y-s)
		p.Line(x, y+s)
		draw(p)
	case StarPoint:
		ss := s / 1.3
		p.Move(x-ss, y-ss)
		p.Line(x+ss, y+ss)
		p.Move(x-ss, y+ss)
		p.Line(x+ss, y-ss)
		p.Move(x-s, y)
		p.Line(x+s, y)
		p.Move(x, y-s)
		p.Line(x, y+s)
		draw(p)
	default:
		println("Implement Draw for points " + point.shape.String())
	}
	vp.Canvas.Pop()
}
开发者ID:vdobler,项目名称:plot,代码行数:82,代码来源:grob.go


注:本文中的github.com/gonum/plot/vg.Path.Arc方法示例由纯净天空整理自Github/MSDocs等开源代码及文档管理平台,相关代码片段筛选自各路编程大神贡献的开源项目,源码版权归原作者所有,传播和使用请参考对应项目的License;未经允许,请勿转载。