setup
suspend fun setupTilesContent(tableName: String, levelSet: LevelSet, displayName: String? = null, imageFormat: String = "image/png"): GpkgContent
Create (or open) an image-tile pyramid table. Idempotent — a prior partial setup or a previous successful run is detected and the existing content row is returned.
Parameters
image
triggers the gpkg_webp extension when image/webp.