Path class abstract
A complex, onedimensional subset of a plane.
A path consists of a number of subpaths, and a current point.
Subpaths consist of segments of various types, such as lines, arcs, or beziers. Subpaths can be open or closed, and can selfintersect.
Closed subpaths enclose a (possibly discontiguous) region of the plane based on the current fillType.
The current point is initially at the origin. After each operation adding a segment to a subpath, the current point is updated to the end of that segment.
Paths can be drawn on canvases using Canvas.drawPath, and can used to create clip regions using Canvas.clipPath.
Constructors
Properties
 fillType ↔ PathFillType

Determines how the interior of this path is calculated.
getter/setter pair
 hashCode → int

The hash code for this object.
no setterinherited
 runtimeType → Type

A representation of the runtime type of the object.
no setterinherited
Methods

addArc(
Rect oval, double startAngle, double sweepAngle) → void  Adds a new subpath with one arc segment that consists of the arc that follows the edge of the oval bounded by the given rectangle, from startAngle radians around the oval up to startAngle + sweepAngle radians around the oval, with zero radians being the point on the right hand side of the oval that crosses the horizontal line that intersects the center of the rectangle and with positive angles going clockwise around the oval.

addOval(
Rect oval) → void  Adds a new subpath that consists of a curve that forms the ellipse that fills the given rectangle.

addPath(
Path path, Offset offset, {Float64List? matrix4}) → void 
Adds the subpaths of
path
, offset byoffset
, to this path. 
addPolygon(
List< Offset> points, bool close) → void  Adds a new subpath with a sequence of line segments that connect the given points.

addRect(
Rect rect) → void  Adds a new subpath that consists of four lines that outline the given rectangle.

addRRect(
RRect rrect) → void  Adds a new subpath that consists of the straight lines and curves needed to form the rounded rectangle described by the argument.

arcTo(
Rect rect, double startAngle, double sweepAngle, bool forceMoveTo) → void 
If the
forceMoveTo
argument is false, adds a straight line segment and an arc segment. 
arcToPoint(
Offset arcEnd, {Radius radius = Radius.zero, double rotation = 0.0, bool largeArc = false, bool clockwise = true}) → void 
Appends up to four conic curves weighted to describe an oval of
radius
and rotated byrotation
(measured in degrees and clockwise). 
close(
) → void  Closes the last subpath, as if a straight line had been drawn from the current point to the first point of the subpath.

computeMetrics(
{bool forceClosed = false}) → PathMetrics  Creates a PathMetrics object for this path, which can describe various properties about the contours of the path.

conicTo(
double x1, double y1, double x2, double y2, double w) → void  Adds a bezier segment that curves from the current point to the given point (x2,y2), using the control points (x1,y1) and the weight w. If the weight is greater than 1, then the curve is a hyperbola; if the weight equals 1, it's a parabola; and if it is less than 1, it is an ellipse.

contains(
Offset point) → bool  Tests to see if the given point is within the path. (That is, whether the point would be in the visible portion of the path if the path was used with Canvas.clipPath.)

cubicTo(
double x1, double y1, double x2, double y2, double x3, double y3) → void  Adds a cubic bezier segment that curves from the current point to the given point (x3,y3), using the control points (x1,y1) and (x2,y2).

extendWithPath(
Path path, Offset offset, {Float64List? matrix4}) → void 
Adds the subpaths of
path
, offset byoffset
, to this path. The current subpath is extended with the first subpath ofpath
, connecting them with a lineTo if necessary. 
getBounds(
) → Rect  Computes the bounding rectangle for this path.

lineTo(
double x, double y) → void  Adds a straight line segment from the current point to the given point.

moveTo(
double x, double y) → void  Starts a new subpath at the given coordinate.

noSuchMethod(
Invocation invocation) → dynamic 
Invoked when a nonexistent method or property is accessed.
inherited

quadraticBezierTo(
double x1, double y1, double x2, double y2) → void  Adds a quadratic bezier segment that curves from the current point to the given point (x2,y2), using the control point (x1,y1).

relativeArcToPoint(
Offset arcEndDelta, {Radius radius = Radius.zero, double rotation = 0.0, bool largeArc = false, bool clockwise = true}) → void 
Appends up to four conic curves weighted to describe an oval of
radius
and rotated byrotation
(measured in degrees and clockwise). 
relativeConicTo(
double x1, double y1, double x2, double y2, double w) → void  Adds a bezier segment that curves from the current point to the point at the offset (x2,y2) from the current point, using the control point at the offset (x1,y1) from the current point and the weight w. If the weight is greater than 1, then the curve is a hyperbola; if the weight equals 1, it's a parabola; and if it is less than 1, it is an ellipse.

relativeCubicTo(
double x1, double y1, double x2, double y2, double x3, double y3) → void  Adds a cubic bezier segment that curves from the current point to the point at the offset (x3,y3) from the current point, using the control points at the offsets (x1,y1) and (x2,y2) from the current point.

relativeLineTo(
double dx, double dy) → void  Adds a straight line segment from the current point to the point at the given offset from the current point.

relativeMoveTo(
double dx, double dy) → void  Starts a new subpath at the given offset from the current point.

relativeQuadraticBezierTo(
double x1, double y1, double x2, double y2) → void  Adds a quadratic bezier segment that curves from the current point to the point at the offset (x2,y2) from the current point, using the control point at the offset (x1,y1) from the current point.

reset(
) → void  Clears the Path object of all subpaths, returning it to the same state it had when it was created. The current point is reset to the origin.

shift(
Offset offset) → Path  Returns a copy of the path with all the segments of every subpath translated by the given offset.

toString(
) → String 
A string representation of this object.
inherited

transform(
Float64List matrix4) → Path  Returns a copy of the path with all the segments of every subpath transformed by the given matrix.
Operators

operator ==(
Object other) → bool 
The equality operator.
inherited
Static Methods

combine(
PathOperation operation, Path path1, Path path2) → Path 
Combines the two paths according to the manner specified by the given
operation
.