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aiongg 07aea983d0 fix(content): splice copies only the pieces a range touches

Pieces::splice copied the unedited bytes between edits by visiting
every piece for every edit, so a page of many content pieces and many
replaced operators cost pieces x edits steps. The copy starts at the
piece holding its first byte and stops past its last one.

2026-10-22 17:43:03 +00:00

src

fix(content): splice copies only the pieces a range touches

2026-10-22 17:43:03 +00:00

Cargo.toml

Rename PrintCraft to PdfCraft (#174 )

2026-10-07 16:03:57 -04:00

README.md

M2: preserve known unfiltered inline-image sample boundaries (#1562 )

2026-10-15 03:20:10 -04:00

README.md

pdfcraft-content

Layer L2: content streams (ISO 32000-2 §7.8.2, §8, §9).

let parsed = parse(&stream.decoded()?);       // operators with operands and source spans
for op in &parsed.ops { if op.is("Tj") { /* … */ } }
let bytes = serialize_ops(&parsed.ops);       // write back (inline images kept whole)
let m = Matrix::from_operands(&op.operands);  // cm / Tm arithmetic, invert, bbox

The parser is tolerant (unreadable bytes are skipped and counted, never fatal) and never panics. redact and (later) edit build their interpreters on it; the graphics-state tracker and the Patch API of architecture §6 grow here.

Unfiltered inline images with built-in or Indexed colour spaces, and image masks, use their sample layout (including per-row byte padding) to locate EI. This preserves pixel bytes that look like the terminator. Filtered images and resource-defined colour spaces retain the tolerant delimiter heuristic; damaged or truncated layouts fall back to it too.