gvc

package

v0.0.10-0...-2b618bc Latest Latest Go to latest Published: Jul 5, 2021 License: MIT Imports: 14 Imported by: 0

Details

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Repository

github.com/Infowatch/go-graphviz

Documentation ¶

Index ¶

func RegisterRenderer(name string, renderer Renderer)
func SetFontFace(fn func(size float64) (font.Face, error))
type Box
type Boxf
type Color
type Context
- func New() *Context
type DefaultRenderer
type ImageRenderer
type Job
type Point
type Pointf
type Renderer
type TextSpan

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 ¶

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