Declarations

function Grow(const Points: TArrayOfFloatPoint; const Delta: TFloat; JoinStyle: TJoinStyle = jsMiter; Closed: Boolean = True; MiterLimit: TFloat = DEFAULT_MITER_LIMIT): TArrayOfFloatPoint; overload;
function Grow(const Points: TArrayOfFloatPoint; const Normals: TArrayOfFloatPoint; const Delta: TFloat; JoinStyle: TJoinStyle = jsMiter; Closed: Boolean = True; MiterLimit: TFloat = DEFAULT_MITER_LIMIT): TArrayOfFloatPoint; overload;
function Grow(const Points: TArrayOfFixedPoint; const Delta: TFixed; JoinStyle: TJoinStyle = jsMiter; Closed: Boolean = True; MiterLimit: TFixed = DEFAULT_MITER_LIMIT_FIXED): TArrayOfFixedPoint; overload;
function Grow(const Points: TArrayOfFixedPoint; const Normals: TArrayOfFixedPoint; const Delta: TFixed; JoinStyle: TJoinStyle = jsMiter; Closed: Boolean = True; MiterLimit: TFixed = DEFAULT_MITER_LIMIT_FIXED): TArrayOfFixedPoint; overload;

Overload Details

Overload 1

function Grow(const Points: TArrayOfFloatPoint; const Delta: TFloat; JoinStyle: TJoinStyle = jsMiter; Closed: Boolean = True; MiterLimit: TFloat = DEFAULT_MITER_LIMIT): TArrayOfFloatPoint; overload;

Inflates or deflates floating-point polygon vertices by Delta distance.

Parameter	Type	Description
Points	TArrayOfFloatPoint	Polygon vertices.
Delta	TFloat	Offset distance.
JoinStyle	TJoinStyle	Corner join style.
Closed	Boolean	True if polygon is a closed loop.
MiterLimit	TFloat	Miter ratio limit.

Type	Description
TArrayOfFloatPoint	A TArrayOfFloatPoint array containing generated polygon coordinates.

Overload 2

function Grow(const Points: TArrayOfFloatPoint; const Normals: TArrayOfFloatPoint; const Delta: TFloat; JoinStyle: TJoinStyle = jsMiter; Closed: Boolean = True; MiterLimit: TFloat = DEFAULT_MITER_LIMIT): TArrayOfFloatPoint; overload;

Inflates or deflates floating-point polygon vertices using precomputed vertex normal vectors.

Parameter	Type	Description
Points	TArrayOfFloatPoint	Polygon vertices.
Normals	TArrayOfFloatPoint	Precomputed vertex normal vectors.
Delta	TFloat	Offset distance.
JoinStyle	TJoinStyle	Corner join style.
Closed	Boolean	True if polygon is a closed loop.
MiterLimit	TFloat	Miter ratio limit.

Type	Description
TArrayOfFloatPoint	A TArrayOfFloatPoint array containing generated polygon coordinates.

Overload 3

function Grow(const Points: TArrayOfFixedPoint; const Delta: TFixed; JoinStyle: TJoinStyle = jsMiter; Closed: Boolean = True; MiterLimit: TFixed = DEFAULT_MITER_LIMIT_FIXED): TArrayOfFixedPoint; overload;

Inflates or deflates fixed-point polygon vertices by Delta distance.

Parameter	Type	Description
Points	TArrayOfFixedPoint	Fixed-point polygon vertices.
Delta	TFixed	Offset distance.
JoinStyle	TJoinStyle	Corner join style.
Closed	Boolean	True if polygon is a closed loop.
MiterLimit	TFixed	Miter ratio limit.

Type	Description
TArrayOfFixedPoint	A TArrayOfFixedPoint array containing generated polygon coordinates.

Overload 4

function Grow(const Points: TArrayOfFixedPoint; const Normals: TArrayOfFixedPoint; const Delta: TFixed; JoinStyle: TJoinStyle = jsMiter; Closed: Boolean = True; MiterLimit: TFixed = DEFAULT_MITER_LIMIT_FIXED): TArrayOfFixedPoint; overload;

Inflates or deflates fixed-point polygon vertices using precomputed vertex normal vectors.

Parameter	Type	Description
Points	TArrayOfFixedPoint	Fixed-point polygon vertices.
Normals	TArrayOfFixedPoint	Precomputed vertex normal vectors.
Delta	TFixed	Offset distance.
JoinStyle	TJoinStyle	Corner join style.
Closed	Boolean	True if polygon is a closed loop.
MiterLimit	TFixed	Miter ratio limit.

Type	Description
TArrayOfFixedPoint	A TArrayOfFixedPoint array containing generated polygon coordinates.

Description

Grow expands or shrinks polygon boundaries outward or inward by Delta distance, delegating to PolylineBuilder.Grow.