package recorder

import "gonum.org/v1/plot/vg/recorder"

Package recorder provides support for vector graphics serialization.

Index ¶

• type Action
• type Canvas
• func (c *Canvas) Comment(text string)
• func (c *Canvas) DrawImage(rect vg.Rectangle, img image.Image)
• func (c *Canvas) Fill(path vg.Path)
• func (c *Canvas) FillString(font font.Face, pt vg.Point, str string)
• func (c *Canvas) Pop()
• func (c *Canvas) Push()
• func (c *Canvas) ReplayOn(dst vg.Canvas) error
• func (c *Canvas) Reset()
• func (c *Canvas) Rotate(a float64)
• func (c *Canvas) Scale(x, y float64)
• func (c *Canvas) SetColor(col color.Color)
• func (c *Canvas) SetLineDash(dashes []vg.Length, offs vg.Length)
• func (c *Canvas) SetLineWidth(w vg.Length)
• func (c *Canvas) Stroke(path vg.Path)
• func (c *Canvas) Translate(pt vg.Point)
• type Comment
• func (a *Comment) ApplyTo(c vg.Canvas)
• func (a *Comment) Call() string
• type Commenter
• type DrawImage
• func (a *DrawImage) ApplyTo(c vg.Canvas)
• func (a *DrawImage) Call() string
• type Fill
• func (a *Fill) ApplyTo(c vg.Canvas)
• func (a *Fill) Call() string
• type FillString
• func (a *FillString) ApplyTo(c vg.Canvas)
• func (a *FillString) Call() string
• type Pop
• func (a *Pop) ApplyTo(c vg.Canvas)
• func (a *Pop) Call() string
• type Push
• func (a *Push) ApplyTo(c vg.Canvas)
• func (a *Push) Call() string
• type Rotate
• func (a *Rotate) ApplyTo(c vg.Canvas)
• func (a *Rotate) Call() string
• type Scale
• func (a *Scale) ApplyTo(c vg.Canvas)
• func (a *Scale) Call() string
• type SetColor
• func (a *SetColor) ApplyTo(c vg.Canvas)
• func (a *SetColor) Call() string
• type SetLineDash
• func (a *SetLineDash) ApplyTo(c vg.Canvas)
• func (a *SetLineDash) Call() string
• type SetLineWidth
• func (a *SetLineWidth) ApplyTo(c vg.Canvas)
• func (a *SetLineWidth) Call() string
• type Stroke
• func (a *Stroke) ApplyTo(c vg.Canvas)
• func (a *Stroke) Call() string
• type Translate
• func (a *Translate) ApplyTo(c vg.Canvas)
• func (a *Translate) Call() string

Types ¶

type Action ¶

type Action interface {
	Call() string
	ApplyTo(vg.Canvas)
	// contains filtered or unexported methods
}

Action is a vector graphics action as defined by the vg.Canvas interface. Each method of Canvas has a corresponding Action type.

type Canvas ¶

type Canvas struct {
	// Actions holds a log of all methods called on
	// the canvas.
	Actions []Action

	// KeepCaller indicates whether the Canvas will
	// retain runtime caller location for the actions.
	// This includes source filename and line number.
	KeepCaller bool
	// contains filtered or unexported fields
}

Canvas implements vg.Canvas operation serialization.

func (*Canvas) Comment ¶

func (c *Canvas) Comment(text string)

Comment adds a comment to a list of Actions..

func (*Canvas) DrawImage ¶

func (c *Canvas) DrawImage(rect vg.Rectangle, img image.Image)

DrawImage implements the DrawImage method of the vg.Canvas interface.

func (*Canvas) Fill ¶

func (c *Canvas) Fill(path vg.Path)

Fill implements the Fill method of the vg.Canvas interface.

func (*Canvas) FillString ¶

func (c *Canvas) FillString(font font.Face, pt vg.Point, str string)

FillString implements the FillString method of the vg.Canvas interface.

func (*Canvas) Pop ¶

func (c *Canvas) Pop()

Pop implements the Pop method of the vg.Canvas interface.

func (*Canvas) Push ¶

func (c *Canvas) Push()

Push implements the Push method of the vg.Canvas interface.

func (*Canvas) ReplayOn ¶

func (c *Canvas) ReplayOn(dst vg.Canvas) error

ReplayOn applies the set of Actions recorded by the Canvas onto the destination Canvas.

func (*Canvas) Reset ¶

func (c *Canvas) Reset()

Reset resets the Canvas to the base state.

func (*Canvas) Rotate ¶

func (c *Canvas) Rotate(a float64)

Rotate implements the Rotate method of the vg.Canvas interface.

func (*Canvas) Scale ¶

func (c *Canvas) Scale(x, y float64)

Scale implements the Scale method of the vg.Canvas interface.

func (*Canvas) SetColor ¶

func (c *Canvas) SetColor(col color.Color)

SetColor implements the SetColor method of the vg.Canvas interface.

func (*Canvas) SetLineDash ¶

func (c *Canvas) SetLineDash(dashes []vg.Length, offs vg.Length)

SetLineDash implements the SetLineDash method of the vg.Canvas interface.

func (*Canvas) SetLineWidth ¶

func (c *Canvas) SetLineWidth(w vg.Length)

SetLineWidth implements the SetLineWidth method of the vg.Canvas interface.

func (*Canvas) Stroke ¶

func (c *Canvas) Stroke(path vg.Path)

Stroke implements the Stroke method of the vg.Canvas interface.

func (*Canvas) Translate ¶

func (c *Canvas) Translate(pt vg.Point)

Translate implements the Translate method of the vg.Canvas interface.

type Comment ¶

type Comment struct {
	Text string
	// contains filtered or unexported fields
}

Comment implements a comment mechanism.

func (*Comment) ApplyTo ¶

func (a *Comment) ApplyTo(c vg.Canvas)

ApplyTo applies the action to the given vg.Canvas.

func (*Comment) Call ¶

func (a *Comment) Call() string

Call returns the method call that generated the action.

type Commenter ¶

type Commenter interface {
	Comment(string)
}

Commenter defines types that can record comments.

type DrawImage ¶

type DrawImage struct {
	Rectangle vg.Rectangle
	Image     image.Image
	// contains filtered or unexported fields
}

DrawImage corresponds to the vg.Canvas.DrawImage method

func (*DrawImage) ApplyTo ¶

func (a *DrawImage) ApplyTo(c vg.Canvas)

ApplyTo applies the action to the given vg.Canvas.

func (*DrawImage) Call ¶

func (a *DrawImage) Call() string

Call returns the pseudo method call that generated the action.

type Fill ¶

type Fill struct {
	Path vg.Path
	// contains filtered or unexported fields
}

Fill corresponds to the vg.Canvas.Fill method.

func (*Fill) ApplyTo ¶

func (a *Fill) ApplyTo(c vg.Canvas)

ApplyTo applies the action to the given vg.Canvas.

func (*Fill) Call ¶

func (a *Fill) Call() string

Call returns the method call that generated the action.

type FillString ¶

type FillString struct {
	Font   font.Font
	Size   vg.Length
	Point  vg.Point
	String string
	// contains filtered or unexported fields
}

FillString corresponds to the vg.Canvas.FillString method.

func (*FillString) ApplyTo ¶

func (a *FillString) ApplyTo(c vg.Canvas)

ApplyTo applies the action to the given vg.Canvas.

func (*FillString) Call ¶

func (a *FillString) Call() string

Call returns the pseudo method call that generated the action.

type Pop ¶

type Pop struct {
	// contains filtered or unexported fields
}

Pop corresponds to the vg.Canvas.Pop method.

func (*Pop) ApplyTo ¶

func (a *Pop) ApplyTo(c vg.Canvas)

ApplyTo applies the action to the given vg.Canvas.

func (*Pop) Call ¶

func (a *Pop) Call() string

Call returns the method call that generated the action.

type Push ¶

type Push struct {
	// contains filtered or unexported fields
}

Push corresponds to the vg.Canvas.Push method.

func (*Push) ApplyTo ¶

func (a *Push) ApplyTo(c vg.Canvas)

ApplyTo applies the action to the given vg.Canvas.

func (*Push) Call ¶

func (a *Push) Call() string

Call returns the method call that generated the action.

type Rotate ¶

type Rotate struct {
	Angle float64
	// contains filtered or unexported fields
}

Rotate corresponds to the vg.Canvas.Rotate method.

func (*Rotate) ApplyTo ¶

func (a *Rotate) ApplyTo(c vg.Canvas)

ApplyTo applies the action to the given vg.Canvas.

func (*Rotate) Call ¶

func (a *Rotate) Call() string

Call returns the method call that generated the action.

type Scale ¶

type Scale struct {
	X, Y float64
	// contains filtered or unexported fields
}

Scale corresponds to the vg.Canvas.Scale method.

func (*Scale) ApplyTo ¶

func (a *Scale) ApplyTo(c vg.Canvas)

ApplyTo applies the action to the given vg.Canvas.

func (*Scale) Call ¶

func (a *Scale) Call() string

Call returns the method call that generated the action.

type SetColor ¶

type SetColor struct {
	Color color.Color
	// contains filtered or unexported fields
}

SetColor corresponds to the vg.Canvas.SetColor method.

func (*SetColor) ApplyTo ¶

func (a *SetColor) ApplyTo(c vg.Canvas)

ApplyTo applies the action to the given vg.Canvas.

func (*SetColor) Call ¶

func (a *SetColor) Call() string

Call returns the method call that generated the action.

type SetLineDash ¶

type SetLineDash struct {
	Dashes  []vg.Length
	Offsets vg.Length
	// contains filtered or unexported fields
}

SetLineDash corresponds to the vg.Canvas.SetLineDash method.

func (*SetLineDash) ApplyTo ¶

func (a *SetLineDash) ApplyTo(c vg.Canvas)

ApplyTo applies the action to the given vg.Canvas.

func (*SetLineDash) Call ¶

func (a *SetLineDash) Call() string

Call returns the method call that generated the action.

type SetLineWidth ¶

type SetLineWidth struct {
	Width vg.Length
	// contains filtered or unexported fields
}

SetLineWidth corresponds to the vg.Canvas.SetWidth method.

func (*SetLineWidth) ApplyTo ¶

func (a *SetLineWidth) ApplyTo(c vg.Canvas)

ApplyTo applies the action to the given vg.Canvas.

func (*SetLineWidth) Call ¶

func (a *SetLineWidth) Call() string

Call returns the method call that generated the action.

type Stroke ¶

type Stroke struct {
	Path vg.Path
	// contains filtered or unexported fields
}

Stroke corresponds to the vg.Canvas.Stroke method.

func (*Stroke) ApplyTo ¶

func (a *Stroke) ApplyTo(c vg.Canvas)

ApplyTo applies the action to the given vg.Canvas.

func (*Stroke) Call ¶

func (a *Stroke) Call() string

Call returns the method call that generated the action.

type Translate ¶

type Translate struct {
	Point vg.Point
	// contains filtered or unexported fields
}

Translate corresponds to the vg.Canvas.Translate method.

func (*Translate) ApplyTo ¶

func (a *Translate) ApplyTo(c vg.Canvas)

ApplyTo applies the action to the given vg.Canvas.

func (*Translate) Call ¶

func (a *Translate) Call() string

Call returns the method call that generated the action.

Source Files ¶

recorder.go