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feat(app): capture image_width/height in PDF OCR raster decode (Enhancement 1)

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Add extract_image_dimensions(bytes) helper using image::ImageReader
and fill the 2 PdfOcrProgress::Finished emit points in pdf_ocr_apply.rs
where page_image_bytes is in scope (OCR error path + success path).
The no-DCTDecode skip path leaves None as page_image_bytes is absent.
Result: LogEvent::Ocr carries non-null image_width/image_height on
successful raster decode, enabling future size-conditioned timeout tuning.

Closure r1 F3: kebab-app/Cargo.toml image features += "jpeg" added as
direct [dependencies] entry (not relying on feature unification via
kebab-parse-image).

Co-Authored-By: Claude Opus 4.7 <noreply@anthropic.com>
This commit is contained in:
altair823
2026-05-28 05:54:55 +00:00
parent 89d334a92b
commit 5977c8cdf1
2 changed files with 51 additions and 5 deletions
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6
crates/kebab-app/Cargo.toml
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@@ -36,6 +36,10 @@ kebab-parse-image = { path = "../kebab-parse-image" }
# resulting `CanonicalDocument` through `kebab-chunk::PdfPageV1Chunker`.
kebab-parse-pdf = { path = "../kebab-parse-pdf" }
lopdf = { workspace = true }
# Enhancement 1 (v0.20.x r2): JPEG dimension decode in pdf_ocr_apply.rs.
# jpeg feature added explicitly (F3 closure-r1) rather than relying on
# feature unification via kebab-parse-image.
image = { version = "0.25", default-features = false, features = ["png", "jpeg"] }
# p10-1A-2: Rust AST extractor lives here. App threads it into the
# per-asset dispatch (see `ingest_one_asset` Code branch) and runs the
# resulting `CanonicalDocument` through `kebab-chunk::CodeRustAstV1Chunker`.
@@ -72,7 +76,7 @@ tempfile = { workspace = true }
# the kb-app code under test stays sync.
wiremock = { workspace = true }
tokio = { workspace = true, features = ["rt-multi-thread"] }
image = { version = "0.25", default-features = false, features = ["png"] }
image = { version = "0.25", default-features = false, features = ["png", "jpeg"] }
# P7-3 PDF integration tests build in-memory PDF fixtures via the same
# lopdf builder pattern `kebab-parse-pdf::tests::common` uses; pinned
# to the same major (0.32) so byte output is identical between the two