THPDFOptionalContentContext
The record in HPDFHeadlessOptionalContentState supplies explicit viewer usage information
| Field | Contract |
|---|---|
Zoom: Double | Finite positive viewer zoom no greater than 1e9, independent of PNG Scale |
Language: UnicodeString | Language tag used for exact or preferred primary-language matching |
Individual, Title, Organization: UnicodeString | Exact case-sensitive User category identifiers |
Each string admits at most 4096 UTF-16 code units; no operating-system language, account name, display scale or printer setting is inferred
Default initialises Zoom to 1 and all four strings to empty