MatFloodFill Method (Point, Scalar, Rect, NullableScalar, NullableScalar, FloodFillFlags)

Fills a connected component with the given color. Input/output 1- or 3-channel, 8-bit, or floating-point image. It is modified by the function unless the FLOODFILL_MASK_ONLY flag is set in the second variant of the function. See the details below.

Namespace: OpenCvSharp
Assembly: OpenCvSharp (in OpenCvSharp.dll) Version: 1.0.0

Syntax

C++

Copy

public int FloodFill(
	Point seedPoint,
	Scalar newVal,
	out Rect rect,
	Nullable<Scalar> loDiff = null,
	Nullable<Scalar> upDiff = null,
	FloodFillFlags flags = FloodFillFlags.Link4
)

Public Function FloodFill ( 
	seedPoint As Point,
	newVal As Scalar,
	<OutAttribute> ByRef rect As Rect,
	Optional loDiff As Nullable(Of Scalar) = Nothing,
	Optional upDiff As Nullable(Of Scalar) = Nothing,
	Optional flags As FloodFillFlags = FloodFillFlags.Link4
) As Integer

public:
int FloodFill(
	Point seedPoint, 
	Scalar newVal, 
	[OutAttribute] Rect% rect, 
	Nullable<Scalar> loDiff = nullptr, 
	Nullable<Scalar> upDiff = nullptr, 
	FloodFillFlags flags = FloodFillFlags::Link4
)

member FloodFill : 
        seedPoint : Point * 
        newVal : Scalar * 
        rect : Rect byref * 
        ?loDiff : Nullable<Scalar> * 
        ?upDiff : Nullable<Scalar> * 
        ?flags : FloodFillFlags 
(* Defaults:
        let _loDiff = defaultArg loDiff null
        let _upDiff = defaultArg upDiff null
        let _flags = defaultArg flags FloodFillFlags.Link4
*)
-> int

Parameters

seedPoint: Type: OpenCvSharpPoint
Starting point.
newVal: Type: OpenCvSharpScalar
New value of the repainted domain pixels.
rect: Type: OpenCvSharpRect
Optional output parameter set by the function to the minimum bounding rectangle of the repainted domain.
loDiff (Optional): Type: SystemNullableScalar
Maximal lower brightness/color difference between the currently observed pixel and one of its neighbors belonging to the component, or a seed pixel being added to the component.
upDiff (Optional): Type: SystemNullableScalar
Maximal upper brightness/color difference between the currently observed pixel and one of its neighbors belonging to the component, or a seed pixel being added to the component.
flags (Optional): Type: OpenCvSharpFloodFillFlags
Operation flags. Lower bits contain a connectivity value, 4 (default) or 8, used within the function. Connectivity determines which neighbors of a pixel are considered.

Return Value

Type: Int32

[Missing <returns> documentation for "M:OpenCvSharp.Mat.FloodFill(OpenCvSharp.Point,OpenCvSharp.Scalar,OpenCvSharp.Rect@,System.Nullable{OpenCvSharp.Scalar},System.Nullable{OpenCvSharp.Scalar},OpenCvSharp.FloodFillFlags)"]

Reference

Mat Class

FloodFill Overload

OpenCvSharp Namespace