Opt-in extra : typed parse/render of the extended
draw:*image / fill / layer / OLE / image-map family —draw:area-rectangle,draw:area-circle,draw:area-polygon,draw:image-map,draw:gradient,draw:hatch,draw:fill-image,draw:opacity,draw:marker,draw:stroke-dash,draw:layer,draw:layer-set,draw:applet,draw:plugin,draw:floating-frame,draw:object,draw:object-ole,draw:param.
Module drawImageExtended | Source packages/front/office/odf/src/extra/draw-image-extended.js
Hooks
hydrateFrame(f) / dehydrateFrame(f) — promotes recognised
draw:* extras into f.drawExtras[].