Namespace: Arc

A collection of functions to handle arcs represented with SegmentA.

Utilities

toCenterParameterization

▸ toCenterParameterization(arg): Object

Converts the Arc command to a center parameterization that can be used in Context2D.ellipse(). https://observablehq.com/@awhitty/svg-2-elliptical-arc-to-canvas-path2dopen in new window

Parameters

Name	Type
`arg`	`SimpleSegmentA`

Returns

Object

Name	Type
`angles`	`AngleRange`
`center`	`vec2`
`radii`	`vec2`
`sweep`	`boolean`
`xAxisRotation`	`number`

Defined in

Arc.ts:27open in new window

Other

approximateByCubicBeziers

▸ approximateByCubicBeziers(arc, angle): VertexC[]

Parameters

Name	Type
`arc`	`SimpleSegmentA`
`angle`	`number`

Returns

VertexC[]

Defined in

Arc.ts:112open in new window

bounds

▸ bounds(arg): Rect

Calculates the bound of given arc.

Parameters

Name	Type
`arg`	`SimpleSegmentA`

Returns

Rect

The bound of the arc

Example

Defined in

Arc.ts:195open in new window

derivative

▸ derivative(arc, loc): vec2

Parameters

Name	Type
`arc`	`SimpleSegmentA`
`loc`	`SegmentLocation`

Returns

vec2

Defined in

Arc.ts:365open in new window

divideAtTimes

▸ divideAtTimes(arc, times): VertexA[]

Parameters

Name	Type
`arc`	`SimpleSegmentA`
`times`	`Iterable`<`number`>

Returns

VertexA[]

Defined in

Arc.ts:414open in new window

ellipticArcLength

▸ ellipticArcLength(radii, angles): number

Parameters

Name	Type
`radii`	`vec2`
`angles`	`AngleRange`

Returns

number

Defined in

Arc.ts:463open in new window

isStraight

▸ isStraight(arc): boolean

Parameters

Name	Type
`arc`	`SimpleSegmentA`

Returns

boolean

Defined in

Arc.ts:453open in new window

isZero

▸ isZero(arg): boolean

Returns true if the length of arc segment is zero.

Parameters

Name	Type
`arg`	`SimpleSegmentA`

Returns

boolean

Defined in

Arc.ts:448open in new window

length

▸ length(arg): number

Parameters

Name	Type
`arg`	`SimpleSegmentA`

Returns

number

Defined in

Arc.ts:336open in new window

normal

▸ normal(arc, loc): vec2

Parameters

Name	Type
`arc`	`SimpleSegmentA`
`loc`	`SegmentLocation`

Returns

vec2

Defined in

Arc.ts:380open in new window

offset

▸ offset(arc, distance, unarcAngle?): Path

Parameters

Name	Type	Default value
`arc`	`SimpleSegmentA`	`undefined`
`distance`	`number`	`undefined`
`unarcAngle`	`number`	`90`

Returns

Path

Defined in

Arc.ts:497open in new window

point

▸ point(arc, loc): vec2

Parameters

Name	Type
`arc`	`SimpleSegmentA`
`loc`	`SegmentLocation`

Returns

vec2

Defined in

Arc.ts:356open in new window

tangent

▸ tangent(arc, loc): vec2

Parameters

Name	Type
`arc`	`SimpleSegmentA`
`loc`	`SegmentLocation`

Returns

vec2

Defined in

Arc.ts:376open in new window

toTime

▸ toTime(arc, loc): number

Parameters

Name	Type
`arc`	`SimpleSegmentA`
`loc`	`SegmentLocation`

Returns

number

Defined in

Arc.ts:341open in new window

transform

▸ transform(arc, matrix): SegmentA

Transforms the given arc segment with the given matrix.

Parameters

Name	Type
`arc`	`SimpleSegmentA`
`matrix`	`mat2d`

Returns

SegmentA

See

https://gist.github.com/timo22345/9413158#file-flatten-js-L443-L547open in new window

Defined in

Arc.ts:251open in new window

trim

▸ trim(arc, start, end): SegmentA

Parameters

Name	Type
`arc`	`SimpleSegmentA`
`start`	`SegmentLocation`
`end`	`SegmentLocation`

Returns

SegmentA

Defined in

Arc.ts:384open in new window