jgd 0.1.1

Internals

• Fixed potential GC protection issues in the C internals (flagged by rchk) by tightening PROTECT/UNPROTECT handling around allocations in replay_snapshot and C_jgd_discover. (#61)

Documentation

• Improved visibility of protocol specification. (#58)
• Minor documentation updates reflecting the fact that our VS Code functionality has been absorbed into the main/upstream VS Code R extension. (https://github.com/REditorSupport/vscode-R/pull/1706).

jgd 0.1.0

Initial CRAN release.

• C-based graphics device that serializes R plotting operations to JSON (JSONL) and streams them over a local connection to an external renderer.
• Transport support for Unix domain sockets (Linux/macOS), Windows named pipes, and TCP.
• Automatic server discovery via platform-specific cache directory.
• Remote font metrics: the device queries the renderer for string widths and glyph metrics, enabling accurate text layout without local font dependencies.
• Plot history with resize replay: snapshots are captured per page so historical plots can be re-rendered at new dimensions.
• Experimental extension API (jgd_ext(), jgd_frame_ext(), jgd_begin_group()) for injecting renderer-specific properties beyond R’s standard graphics parameters.
• Bundled cJSON (v1.7.19) for zero external dependencies.

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