CanvasWrapper class

Proxies Canvas functions

We wrapped the canvas here, because we needed to write tests for our drawing system. Now in tests we can verify that these functions called with a specific value.

Constructors

CanvasWrapper(Canvas canvas, Size size)

Properties

canvas → Canvas

final

hashCode → int

The hash code for this object.

no setter, inherited

runtimeType → Type

A representation of the runtime type of the object.

no setter, inherited

size → Size

final

Methods

clipPath(Path path, {bool doAntiAlias = true}) → void

Directly calls Canvas.clipPath

clipRect(Rect rect, {ClipOp clipOp = ClipOp.intersect, bool doAntiAlias = true}) → void

Directly calls Canvas.clipRect

drawArc(Rect rect, double startAngle, double sweepAngle, bool useCenter, Paint paint) → void

Directly calls Canvas.drawCircle

drawCircle(Offset center, double radius, Paint paint) → void

Directly calls Canvas.drawCircle

drawDashedLine(Offset from, Offset to, Paint painter, List<int>? dashArray) → void

Draws a dashed line from passed in offsets

drawDot(FlDotPainter painter, AFlSpot spot, Offset offset) → void

Paints a dot using customized FlDotPainter

drawImage(Image image, Offset offset, Paint paint) → void

Directly calls Canvas.drawImage

drawLine(Offset p1, Offset p2, Paint paint) → void

Directly calls Canvas.drawLine

drawPath(Path path, Paint paint) → void

Directly calls Canvas.drawPath

drawPicture(Picture picture) → void

Directly calls Canvas.drawPicture

drawRect(Rect rect, Paint paint) → void

Directly calls Canvas.drawRect

drawRotated({required Size size, Offset rotationOffset = Offset.zero, Offset drawOffset = Offset.zero, required double angle, required DrawCallback drawCallback}) → void

Handles performing multiple draw actions rotated.

drawRRect(RRect rrect, Paint paint) → void

Directly calls Canvas.drawRRect

drawText(TextPainter tp, Offset offset, [double? rotateAngle]) → void

Paints a text on the Canvas

noSuchMethod(Invocation invocation) → dynamic

Invoked when a nonexistent method or property is accessed.

inherited

restore() → void

Directly calls Canvas.restore

rotate(double radius) → void

Directly calls Canvas.rotate

save() → void

Directly calls Canvas.save

saveLayer(Rect bounds, Paint paint) → void

Directly calls Canvas.saveLayer

toString() → String

A string representation of this object.

inherited

translate(double dx, double dy) → void

Directly calls Canvas.translate

Operators

operator ==(Object other) → bool

The equality operator.

inherited