Pixels-per-inch used when the user enters sizes in cm/mm/in.
OptionalengineRendering engine for this view. Defaults to the global Fabric engine.
OptionalphysicalReal-world extent represented by this view when no narrower drawing-area calibration exists.
Optionalscene3dInitial or persisted 3D scene state for 3D views.
Last unit used in the UI for this view.
Virtual document size for this view (world units / px).
Vues (front, back, etc.). For now we only keep an id + a label. Later we can attach the canvas state for each view.