PolygonPainter class

A painter that draws a polygon on the canvas.

This painter creates a polygon with customizable sides, radius, and stroke properties. It's optimized for performance and supports all Flutter platforms including WASM.

Inheritance

Constructors

PolygonPainter({required int sides, required double radius, required Color color, double? strokeWidth, Color? strokeColor, double rotation = 0.0})
Creates a polygon painter.
const

Properties

color → Color
The fill color of the polygon.
final
hashCode → int
The hash code for this object.
no setteroverride
radius → double
The radius of the polygon in logical pixels.
final
rotation → double
The rotation angle in radians.
final
runtimeType → Type
A representation of the runtime type of the object.
no setterinherited
semanticsBuilder → SemanticsBuilderCallback?
Returns a function that builds semantic information for the picture drawn by this painter.
no setterinherited
sides → int
The number of sides of the polygon.
final
strokeColor → Color?
The color of the polygon's border. Only used if strokeWidth is not null.
final
strokeWidth → double?
The width of the polygon's border in logical pixels. If null, no border is drawn.
final

Methods

addListener(VoidCallback listener) → void
Register a closure to be notified when it is time to repaint.
inherited
hitTest(Offset position) → bool?
Called whenever a hit test is being performed on an object that is using this custom paint delegate.
inherited
noSuchMethod(Invocation invocation) → dynamic
Invoked when a nonexistent method or property is accessed.
inherited
paint(Canvas canvas, Size size) → void
Paints the shape on the given canvas.
override
removeListener(VoidCallback listener) → void
Remove a previously registered closure from the list of closures that the object notifies when it is time to repaint.
inherited
shouldRebuildSemantics(covariant CustomPainter oldDelegate) → bool
Whether the painter should repaint when the painter instance changes.
inherited
shouldRepaint(covariant CustomPainter oldDelegate) → bool
Whether the painter should repaint when the size changes.
override
toString() → String
A string representation of this object.
inherited

Operators

operator ==(Object other) → bool
The equality operator.
override