CullingEngine class

Provides viewport culling to skip rendering off-screen elements.

All painters should use culling before iterating through data to avoid unnecessary draw calls.

Constructors

CullingEngine()

const

Properties

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

Methods

clipLine(Offset p1, Offset p2, Rect bounds) → (Offset, Offset)?

Cohen-Sutherland line clipping algorithm.

cullBars(List<BarPrimitive> bars, ChartViewport viewport) → List<(BarPrimitive, int)>

Filters bars to only those visible within the viewport.

cullPoints(List<Offset> points, Size canvasSize) → List<Offset>

Filters points to only those within the canvas bounds.

noSuchMethod(Invocation invocation) → dynamic

Invoked when a nonexistent method or property is accessed.

inherited

toString() → String

A string representation of this object.

inherited

Operators

operator ==(Object other) → bool

The equality operator.

inherited