gvc

package
v1.0.1 Latest Latest
Warning

This package is not in the latest version of its module.

 Go to latest Published: Jul 28, 2022 License: MIT Imports: 14 Imported by: 0

Documentation

Index

Constants

This section is empty.

Variables

This section is empty.

Functions

func RegisterRenderer 

func RegisterRenderer(name string, renderer Renderer)

func SetFontFace 

func SetFontFace(fn func(size float64) (font.Face, error))

Types

type Box 

type Box struct {
	LL Point
	UR Point
}

type Boxf 

type Boxf struct {
	LL Pointf
	UR Pointf
}

type Color 

type Color struct {
	R uint
	G uint
	B uint
	A uint
}

type Context 

type Context struct {
	*ccall.GVC
}

func New 

func New() *Context

func (*Context) Close 

func (c *Context) Close() error

func (*Context) FreeLayout 

func (c *Context) FreeLayout(g *cgraph.Graph) error

func (*Context) Layout 

func (c *Context) Layout(g *cgraph.Graph, engine string) error

func (*Context) RenderData 

func (c *Context) RenderData(g *cgraph.Graph, format string, w io.Writer) error

func (*Context) RenderFilename 

func (c *Context) RenderFilename(g *cgraph.Graph, format, filename string) error

func (*Context) RenderImage 

func (c *Context) RenderImage(g *cgraph.Graph, format string) (image.Image, error)

type DefaultRenderer 

type DefaultRenderer struct{}

func (*DefaultRenderer) BeginAnchor 

func (*DefaultRenderer) BeginAnchor(job *Job, href, tooltip, target, id string) error

func (*DefaultRenderer) BeginCluster 

func (*DefaultRenderer) BeginCluster(job *Job) error

func (*DefaultRenderer) BeginEdge 

func (*DefaultRenderer) BeginEdge(job *Job) error

func (*DefaultRenderer) BeginEdges 

func (*DefaultRenderer) BeginEdges(job *Job) error

func (*DefaultRenderer) BeginGraph 

func (*DefaultRenderer) BeginGraph(job *Job) error

func (*DefaultRenderer) BeginJob 

func (*DefaultRenderer) BeginJob(job *Job) error

func (*DefaultRenderer) BeginLabel 

func (*DefaultRenderer) BeginLabel(job *Job, typ int) error

func (*DefaultRenderer) BeginLayer 

func (*DefaultRenderer) BeginLayer(job *Job, layerName string, layerNum int, numLayers int) error

func (*DefaultRenderer) BeginNode 

func (*DefaultRenderer) BeginNode(job *Job) error

func (*DefaultRenderer) BeginNodes 

func (*DefaultRenderer) BeginNodes(job *Job) error

func (*DefaultRenderer) BeginPage 

func (*DefaultRenderer) BeginPage(job *Job) error

func (*DefaultRenderer) BezierCurve 

func (*DefaultRenderer) BezierCurve(job *Job, a []Pointf, arrowAtStart, arrowAtEnd int) error

func (*DefaultRenderer) Comment 

func (*DefaultRenderer) Comment(job *Job, comment string) error

func (*DefaultRenderer) Ellipse 

func (*DefaultRenderer) Ellipse(job *Job, a0, a1 Pointf, filled int) error

func (*DefaultRenderer) EndAnchor 

func (*DefaultRenderer) EndAnchor(job *Job) error

func (*DefaultRenderer) EndCluster 

func (*DefaultRenderer) EndCluster(job *Job) error

func (*DefaultRenderer) EndEdge 

func (*DefaultRenderer) EndEdge(job *Job) error

func (*DefaultRenderer) EndEdges 

func (*DefaultRenderer) EndEdges(job *Job) error

func (*DefaultRenderer) EndGraph 

func (*DefaultRenderer) EndGraph(job *Job) error

func (*DefaultRenderer) EndJob 

func (*DefaultRenderer) EndJob(job *Job) error

func (*DefaultRenderer) EndLabel 

func (*DefaultRenderer) EndLabel(job *Job) error

func (*DefaultRenderer) EndLayer 

func (*DefaultRenderer) EndLayer(job *Job) error

func (*DefaultRenderer) EndNode 

func (*DefaultRenderer) EndNode(job *Job) error

func (*DefaultRenderer) EndNodes 

func (*DefaultRenderer) EndNodes(job *Job) error

func (*DefaultRenderer) EndPage 

func (*DefaultRenderer) EndPage(job *Job) error

func (*DefaultRenderer) LibraryShape 

func (*DefaultRenderer) LibraryShape(job *Job, name string, a []Pointf, filled int) error

func (*DefaultRenderer) Polygon 

func (*DefaultRenderer) Polygon(job *Job, a []Pointf, filled int) error

func (*DefaultRenderer) Polyline 

func (*DefaultRenderer) Polyline(job *Job, a []Pointf) error

func (*DefaultRenderer) ResolveColor 

func (*DefaultRenderer) ResolveColor(job *Job, c Color) error

func (*DefaultRenderer) TextSpan 

func (*DefaultRenderer) TextSpan(job *Job, p Pointf, span *TextSpan) error

type ImageRenderer 

type ImageRenderer struct {
	*DefaultRenderer
	// contains filtered or unexported fields
}

func (*ImageRenderer) BeginPage 

func (r *ImageRenderer) BeginPage(job *Job) error

func (*ImageRenderer) BezierCurve 

func (r *ImageRenderer) BezierCurve(job *Job, a []Pointf, arrowAtStart, arrowAtEnd int) error

func (*ImageRenderer) Ellipse 

func (r *ImageRenderer) Ellipse(job *Job, a0, a1 Pointf, filled int) error

func (*ImageRenderer) EndPage 

func (r *ImageRenderer) EndPage(job *Job) error

func (*ImageRenderer) Polygon 

func (r *ImageRenderer) Polygon(job *Job, a []Pointf, filled int) error

func (*ImageRenderer) Polyline 

func (r *ImageRenderer) Polyline(job *Job, a []Pointf) error

func (*ImageRenderer) SetFontFace 

func (r *ImageRenderer) SetFontFace(fn func(size float64) (font.Face, error))

func (*ImageRenderer) TextSpan 

func (r *ImageRenderer) TextSpan(job *Job, p Pointf, span *TextSpan) error

type Job 

type Job struct {
	*ccall.GVJ
}

type Point 

type Point struct {
	X int
	Y int
}

type Pointf 

type Pointf struct {
	X float64
	Y float64
}

type Renderer 

type Renderer interface {
	BeginJob(*Job) error
	EndJob(*Job) error
	BeginGraph(*Job) error
	EndGraph(*Job) error
	BeginLayer(*Job, string, int, int) error
	EndLayer(*Job) error
	BeginPage(*Job) error
	EndPage(*Job) error
	BeginCluster(*Job) error
	EndCluster(*Job) error
	BeginNodes(*Job) error
	EndNodes(*Job) error
	BeginEdges(*Job) error
	EndEdges(*Job) error
	BeginNode(*Job) error
	EndNode(*Job) error
	BeginEdge(*Job) error
	EndEdge(*Job) error
	BeginAnchor(*Job, string, string, string, string) error
	EndAnchor(*Job) error
	BeginLabel(*Job, int) error
	EndLabel(*Job) error
	TextSpan(*Job, Pointf, *TextSpan) error
	ResolveColor(*Job, Color) error
	Ellipse(*Job, Pointf, Pointf, int) error
	Polygon(*Job, []Pointf, int) error
	BezierCurve(*Job, []Pointf, int, int) error
	Polyline(*Job, []Pointf) error
	Comment(*Job, string) error
	LibraryShape(*Job, string, []Pointf, int) error
}

type TextSpan 

type TextSpan struct {
	*ccall.TextSpan
}

Source Files

View all Source files

Jump to

Keyboard shortcuts

? : This menu
/ : Search site
f or F : Jump to
y or Y : Canonical URL
go.dev uses cookies from Google to deliver and enhance the quality of its services and to analyze traffic. Learn more.