brother-ql / core/src / createPreviewOffline
Function: createPreviewOffline()
createPreviewOffline(
image,media):PreviewResult
Offline preview without a live printer connection.
Multi-ink aware: when media.palette is defined (DK-22251 today), the image is split per-plane via renderMultiPlaneImage() — the same code path print() takes for that media. Single-ink media returns one black plane via dithered renderImage.