Jesse Qu 3ad8b211e6 refactor: distribute serialization/deserialization from Document into item classes ... Move per-type serialization logic out of Document's monolithic serializeItem()/deserializeItem() into each item class: - Add virtual serialize() to AbstractShapeType template, overridden by GraphicsRectItem, GraphicPolygonItem, and GraphicsItemGroup - Add static createFromJson() factory + self-registration to each item - Extract shared pen/brush/common helpers into serializationUtils - Add type registry (serializationRegistry) for factory-based deserialization - Document::saveAs()/load() now delegate to item->serialize() and createItemFromJson() — no longer owns per-type dispatch - Adding a new shape type no longer requires touching Document		2026-07-09 11:40:14 +08:00
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graphicsBaseItem.cpp	first commit for HMI	2026-07-03 11:29:21 +08:00
graphicsItemGroup.cpp	refactor: distribute serialization/deserialization from Document into item classes	2026-07-09 11:40:14 +08:00
graphicsPolygonItem.cpp	refactor: distribute serialization/deserialization from Document into item classes	2026-07-09 11:40:14 +08:00
graphicsRectItem.cpp	refactor: distribute serialization/deserialization from Document into item classes	2026-07-09 11:40:14 +08:00
itemControlHandle.cpp	first commit for HMI	2026-07-03 11:29:21 +08:00