DriftEngineScreen helpers · function
bakeOverlay
Paint an overlay into a transparent canvas of exactly the frame's size.
Explained in Recording and clips.
function bakeOverlay(overlay: FrameOverlay, width: number, height: number): HTMLCanvasElement | nullimport { bakeOverlay } from '@driftengine/core';Parameters
| Parameter | Type | Description |
|---|---|---|
overlay | FrameOverlay | |
width | number | |
height | number |
In depth
Returns null when there is nothing to draw, so a caller can skip the composite entirely rather than blending a blank layer over every frame.