svgdata

package
v0.0.0-...-5926790 Latest Latest
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This package is not in the latest version of its module.

 Go to latest Published: Aug 5, 2018 License: Apache-2.0 Imports: 6 Imported by: 1

Documentation

Index

Constants

View Source 
const FLOAT_EQUAL_THRESH = 0.00000001

Comparing floating point sucks. This is probably wrong in the general case but is good enough for this application. Don't assume I know what I'm doing here. I'm pulling stuff out of my butt.

Variables

This section is empty.

Functions

func AlmostEqualsCoord 

func AlmostEqualsCoord(a, b geom.Coord) bool

func AlmostEqualsPathCircArc 

func AlmostEqualsPathCircArc(a, b *PathCircArc) bool

func AlmostEqualsPathLines 

func AlmostEqualsPathLines(a, b *PathLine) bool

func FloatAlmostEqual 

func FloatAlmostEqual(a, b float64) bool

Types

type Circle 

type Circle struct {
	Center geom.Coord
	Radius float64
}

func (*Circle) Draw 

func (me *Circle) Draw(svg *SVGWriter, s ...string)

type Element 

type Element interface {
	Draw(w *SVGWriter, s ...string)
}

type OptimizedPathCollection 

type OptimizedPathCollection struct {
	Paths []*Path
}

OptimizedPathCollection takes a set of Paths and PathSegments and constructs continuous paths. This is sometimes referred to as "chains". After adding all of the Paths and PathSegments, call Optimize.

func (*OptimizedPathCollection) AddPath 

func (opc *OptimizedPathCollection) AddPath(np *Path)

func (*OptimizedPathCollection) AddSegment 

func (opc *OptimizedPathCollection) AddSegment(p PathSegment)

func (*OptimizedPathCollection) Draw 

func (opc *OptimizedPathCollection) Draw(svg *SVGWriter, s ...string)

func (*OptimizedPathCollection) NumPaths 

func (opc *OptimizedPathCollection) NumPaths() int

func (*OptimizedPathCollection) Optimize 

func (opc *OptimizedPathCollection) Optimize()

type Path 

type Path struct {
	Closed bool
	// contains filtered or unexported fields
}

func (*Path) Back 

func (me *Path) Back() PathSegment

func (*Path) BackPoint 

func (me *Path) BackPoint() *geom.Coord

func (*Path) Draw 

func (me *Path) Draw(svg *SVGWriter, s ...string)

func (*Path) Front 

func (me *Path) Front() PathSegment

func (*Path) FrontPoint 

func (me *Path) FrontPoint() *geom.Coord

func (*Path) PushBack 

func (me *Path) PushBack(seg PathSegment)

func (*Path) PushFront 

func (me *Path) PushFront(seg PathSegment)

func (*Path) PushPathBack 

func (me *Path) PushPathBack(path *Path)

func (*Path) PushPathFront 

func (me *Path) PushPathFront(path *Path)

func (*Path) Reverse 

func (me *Path) Reverse()

type PathCircArc 

type PathCircArc struct {
	A, B            geom.Coord
	R               float64
	LargeArc, Sweep bool
}

func NewPathCircArc 

func NewPathCircArc(a, b geom.Coord, r float64, largeArc, sweep bool) *PathCircArc

func (*PathCircArc) Bounds 

func (a *PathCircArc) Bounds() geom.Rect

func (*PathCircArc) Equals 

func (a *PathCircArc) Equals(oi interface{}) bool

func (*PathCircArc) P1 

func (a *PathCircArc) P1() *geom.Coord

func (*PathCircArc) P2 

func (a *PathCircArc) P2() *geom.Coord

func (*PathCircArc) PathDraw 

func (a *PathCircArc) PathDraw(svg *SVGWriter)

func (*PathCircArc) Reverse 

func (a *PathCircArc) Reverse()

type PathLine 

type PathLine struct {
	A, B geom.Coord
}

func NewPathLine 

func NewPathLine(a, b geom.Coord) *PathLine

func (*PathLine) Bounds 

func (cl *PathLine) Bounds() geom.Rect

func (*PathLine) Equals 

func (cl *PathLine) Equals(oi interface{}) bool

func (*PathLine) P1 

func (cl *PathLine) P1() *geom.Coord

func (*PathLine) P2 

func (cl *PathLine) P2() *geom.Coord

func (*PathLine) PathDraw 

func (cl *PathLine) PathDraw(svg *SVGWriter)

func (*PathLine) Reverse 

func (cl *PathLine) Reverse()

type PathSegment 

type PathSegment interface {
	P1() *geom.Coord
	P2() *geom.Coord
	Reverse()
	PathDraw(w *SVGWriter)
}

type SVGWriter 

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

func NewSVG 

func NewSVG(w io.Writer) *SVGWriter

func (*SVGWriter) Circle 

func (svg *SVGWriter) Circle(c geom.Coord, r float64, s ...string)

func (*SVGWriter) CircularArc 

func (svg *SVGWriter) CircularArc(p1, p2 geom.Coord, r float64, largeArc, sweep bool, s ...string)

func (*SVGWriter) CubicBezier 

func (svg *SVGWriter) CubicBezier(p1, ctrl1, ctrl2, p2 geom.Coord, s ...string)

func (*SVGWriter) End 

func (svg *SVGWriter) End()

func (*SVGWriter) EndPath 

func (svg *SVGWriter) EndPath()

func (*SVGWriter) Line 

func (svg *SVGWriter) Line(p1 geom.Coord, p2 geom.Coord, s ...string)

func (*SVGWriter) PathCircularArcTo 

func (svg *SVGWriter) PathCircularArcTo(p geom.Coord, r float64, largeArc, sweep bool)

func (*SVGWriter) PathClose 

func (svg *SVGWriter) PathClose()

func (*SVGWriter) PathCubicBezierTo 

func (svg *SVGWriter) PathCubicBezierTo(p, ctrl1, ctrl2 geom.Coord)

func (*SVGWriter) PathLineTo 

func (svg *SVGWriter) PathLineTo(p geom.Coord)

func (*SVGWriter) PathQuadBezierTo 

func (svg *SVGWriter) PathQuadBezierTo(p, ctrl1 geom.Coord)

func (*SVGWriter) QuadBezier 

func (svg *SVGWriter) QuadBezier(p1 geom.Coord, ctrl1 geom.Coord, p2 geom.Coord, s ...string)

func (*SVGWriter) Start 

func (svg *SVGWriter) Start(viewBox geom.Rect, s ...string)

func (*SVGWriter) StartPath 

func (svg *SVGWriter) StartPath(p1 geom.Coord, s ...string)

Source Files

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