OpenSystemsDevelopment / qpdf

…` parameter, update conditional checks, and streamline logic for field and annotation handling.

Tighten validation of the PDF spec requirements that form fields form a tree and that widget annotations have a single parent by utilizing `field_to` and `annotation_to_field` in the loop detection check.

Deprecate QPDF::compute_encryption_key

Refactor QPDFWriter configuration

…d calls, and streamline related logic for improved encapsulation and maintainability.

…with encapsulated `Config`, replace `qcf` with `d_cfg` for improved consistency, and adjust related logic for maintainability.

…shared` for progress reporters to improve clarity and efficiency.

…on` checks, consolidate parameter updates, and remove redundant code for improved clarity.

… parameter handling, and adjust related method calls for improved maintainability and readability.

…or `extension_level` in `setMinimumPDFVersion`, and update calls for improved encapsulation.

…date logic, and improve encapsulation.

…to `impl::Writer`, streamline initialization, and enhance encapsulation.

…nfig` struct, update member access to use `cfg`, and streamline related logic across `QPDFWriter`.

…c::Common`, and adjust related `QPDFWriter` logic for improved encapsulation.

…:Doc`, rename related methods, and streamline usage across QPDFWriter and linearization modules.

… `Objects`, and `Pages` to use it, and streamline initialization logic.

… declarations across the codebase for improved encapsulation.

Refactor `enqueueObject` to `enqueue`, update related method signatur…

…c across `QPDFWriter` for consistency and improved readability.

Fix misleading warning/error messages in `pushInheritedAttributesToPa…

…isting code used 'last_object_description' and reported the error against a random unrelated object.

Remove implementation detail from QPDF header file

…sed_after_compressed` in `QPDF::Doc::Objects`, update usage in `QPDF_linearization`, and streamline related logic.

…ate usage across `QPDF_linearization`, and streamline related logic.

…`Lin`, encapsulate optimization data within `Lin`, update usage across the codebase, and streamline related logic in `QPDF_linearization`.

…ed`, `check`, and `show_data` methods, update usage across the codebase, and streamline related logic.

… `attempt_recovery` to `password_is_hex_key` and `suppress_recovery` to align with the CLI, update usage across the codebase, and streamline related logic.

…` methods, update usage across codebase, and streamline related logic.

…fields, replace direct member access across the codebase, and streamline related logic.

…te usage throughout the codebase, and streamline configurations.

Remove implementation detail from QPDF header file

…r` for cleaner and more concise overflow checks.

…for improved structure and better code locality.

…ine logic, update calls across codebase, and streamline method implementation.

… `QPDFPageDocumentHelper`, consolidate redundant logic, and streamline method calls.

…e includes, and streamline page-related logic.

…gin`/`end` methods, update calls across codebase, and streamline page handling logic.

…che`, update calls, streamline initialization, and enhance assertion usage.