ClipperOffset

clipper.ClipperOffset (Class)

Performs polygon offsetting (inflating/shrinking).

Static Members

getUnitNormal(pt1: Point64, pt2: Point64): PointD
Name Type
pt1 Point64
pt2 Point64
Returns
PointD
getLowestPathInfo(paths: Paths64): AnonStruct
Name Type
paths Paths64
Returns
AnonStruct
stripDuplicates(path: Path64, isClosedPath: Bool): Path64
Name Type
path Path64
isClosedPath Bool
Returns
Path64
reversePath(path: Path64): Path64
Name Type
path Path64
Returns
Path64
sqr(val: Float): Float
Name Type
val Float
Returns
Float
ellipse(center: Point64, radiusX: Float, radiusY: Float, ?steps: Int = 0): Path64
Name Type Default
center Point64
radiusX Float
radiusY Float
steps Int 0
Returns
Path64

Instance Members

arcTolerance: Float
mergeGroups: Bool
miterLimit: Float
preserveCollinear: Bool
reverseSolution: Bool
deltaCallback: Null<Function>
clear(): Void
addPath(path: Path64, joinType: JoinType, endType: EndType): Void
Name Type
path Path64
joinType JoinType
endType EndType
addPaths(paths: Paths64, joinType: JoinType, endType: EndType): Void
Name Type
paths Paths64
joinType JoinType
endType EndType
execute(delta: Float, solution: Paths64): Void
Name Type
delta Float
solution Paths64
executeTree(delta: Float, solutionTree: PolyTree64): Void
Name Type
delta Float
solutionTree PolyTree64
executeWithCallback(deltaCallback: Function, solution: Paths64): Void
Name Type
deltaCallback Function
solution Paths64
new(?miterLimit: Float = 2.0, ?arcTolerance: Float = 0.0, ?preserveCollinear: Bool = false, ?reverseSolution: Bool = false): Void
Name Type Default
miterLimit Float 2.0
arcTolerance Float 0.0
preserveCollinear Bool false
reverseSolution Bool false

Private Members

Tolerance: Float
arc_const: Float
pathOut: Path64
translatePoint(pt: PointD, dx: Float, dy: Float): PointD
Name Type
pt PointD
dx Float
dy Float
Returns
PointD
reflectPoint(pt: PointD, pivot: PointD): PointD
Name Type
pt PointD
pivot PointD
Returns
PointD
almostZero(value: Float, ?epsilon: Float = 0.001): Bool
Name Type Default
value Float
epsilon Float 0.001
Returns
Bool
hypotenuse(x: Float, y: Float): Float
Name Type
x Float
y Float
Returns
Float
normalizeVector(vec: PointD): PointD
Name Type
vec PointD
Returns
PointD
getAvgUnitVector(vec1: PointD, vec2: PointD): PointD
Name Type
vec1 PointD
vec2 PointD
Returns
PointD
calcSolutionCapacity(): Int
Returns
Int
checkPathsReversed(): Bool
Returns
Bool
executeInternal(delta: Float): Void
Name Type
delta Float
getPerpendic(pt: Point64, norm: PointD): Point64
Name Type
pt Point64
norm PointD
Returns
Point64
getPerpendicD(pt: Point64, norm: PointD): PointD
Name Type
pt Point64
norm PointD
Returns
PointD
doBevel(path: Path64, j: Int, k: Int): Void
Name Type
path Path64
j Int
k Int
doSquare(path: Path64, j: Int, k: Int): Void
Name Type
path Path64
j Int
k Int
doMiter(path: Path64, j: Int, k: Int, cosA: Float): Void
Name Type
path Path64
j Int
k Int
cosA Float
doRound(path: Path64, j: Int, k: Int, angle: Float): Void
Name Type
path Path64
j Int
k Int
angle Float
buildNormals(path: Path64): Void
Name Type
path Path64
offsetPoint(group: clipper._ClipperOffset.Group, path: Path64, j: Int, k: Int): Int
Name Type
group clipper._ClipperOffset.Group
path Path64
j Int
k Int
Returns
Int
offsetPolygon(group: clipper._ClipperOffset.Group, path: Path64): Void
Name Type
group clipper._ClipperOffset.Group
path Path64
offsetOpenJoined(group: clipper._ClipperOffset.Group, path: Path64): Void
Name Type
group clipper._ClipperOffset.Group
path Path64
offsetOpenPath(group: clipper._ClipperOffset.Group, path: Path64): Void
Name Type
group clipper._ClipperOffset.Group
path Path64
doGroupOffset(group: clipper._ClipperOffset.Group): Void
Name Type
group clipper._ClipperOffset.Group