RectanglePainter class

A painter that draws a rectangle on the canvas.

This painter creates a rectangle with customizable dimensions, color, and stroke properties. It's optimized for performance and supports all Flutter platforms including WASM.

Inheritance

Constructors

RectanglePainter({required double width, required double height, required Color color, double? strokeWidth, Color? strokeColor, double? cornerRadius})
Creates a rectangle painter.
const

Properties

color → Color
The fill color of the rectangle.
final
cornerRadius → double?
The radius of the rectangle's corners in logical pixels. If null, sharp corners are used.
final
hashCode → int
The hash code for this object.
no setteroverride
height → double
The height of the rectangle in logical pixels.
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
strokeColor → Color?
The color of the rectangle's border. Only used if strokeWidth is not null.
final
strokeWidth → double?
The width of the rectangle's border in logical pixels. If null, no border is drawn.
final
width → double
The width of the rectangle in logical pixels.
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