情境
An organization needs to understand the core object model of a PDF processing library for maintaining or extending its functionality.
這張圖裡有什麼
看懂背後的決策。
01
Used composition to show PDFDocument contains multiple PDFPage
02
Modeled PDF objects with inheritance from abstract COSBase
03
Distinguished between stream and dictionary as per PDF specification
When developing a PDF parsing or rendering library, this class diagram clarifies the relationships between core object types.