FrameEvent class final
One frame's per-phase timing breakdown plus the headline counters the live overlay shows. Emitted once per rendered frame.
Constructors
-
FrameEvent({required int frameNumber, required String reason, required Duration build, required Duration layout, required Duration paint, required Duration diff, required int dirtyCells, CellRect? dirtyBounds, DirtySpanFrameStats dirtySpans = DirtySpanFrameStats.empty, List<
String> dirtySources = const <String>[], RenderLayoutFrameStats layoutStats = RenderLayoutFrameStats.empty, RepaintBoundaryFrameStats repaintBoundaries = RepaintBoundaryFrameStats.empty, required CellSize bufferSize}) -
const
Properties
- bufferSize → CellSize
-
final
- build → Duration
-
final
- diff → Duration
-
final
- dirtyBounds → CellRect?
-
Bounding rectangle for emitted dirty cells, or null when the frame
produced no diff.
final
- dirtyCells → int
-
final
-
dirtySources
→ List<
String> -
Best-effort build/layout/paint invalidation sources that caused this
frame.
final
- dirtySpans → DirtySpanFrameStats
-
Row-span shape for emitted dirty cells. This is diagnostic data for
distinguishing sparse single-cell churn from contiguous row updates.
final
- frameNumber → int
-
Monotonically increasing, never wraps.
final
- hashCode → int
-
The hash code for this object.
no setterinherited
- layout → Duration
-
final
- layoutStats → RenderLayoutFrameStats
-
Render-layout cache activity observed during the layout phase.
final
- paint → Duration
-
final
- reason → String
-
Best-effort reason the frame was scheduled.
final
- repaintBoundaries → RepaintBoundaryFrameStats
-
Repaint-boundary cache activity observed during the paint phase.
final
- runtimeType → Type
-
A representation of the runtime type of the object.
no setterinherited
- total → Duration
-
no setter
Methods
-
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