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VoiceLessQ
d7429d217a
Document pictures now decode through wordcraft_geom::picture (behind a new `image` feature of the geom crate). It reads the header, refuses the picture before anything is allocated when the decode's peak would pass the budget, then decodes with the header's size and the budget as limits. The peak is the larger of three moments: the decoder's output beside what it holds while decoding, the output beside its RGBA8 conversion, and that beside a premultiplied copy. A progressive JPEG's decoder (zune-jpeg) holds an i16 for every coefficient of every component, in whole MCUs, for the whole picture; the SOF header gives that size. A 7900 x 7900 progressive JPEG without subsampling needs 9 bytes a pixel (561 MB), past the 512 MB budget, although two RGBA buffers (499 MB) fit. With the fix reverted, the test's header-only file of that size was decoded and the test process peaked at 542 MiB resident. - Render and PDF export ask the probe in their wrappers (decode_pixmap, load_image), so a picture past the budget gets the grey box or is left out, as before. - The crop dialog and every picture edit decoded with load_from_memory and looked at the size afterwards. They decode through the probe now, and so do wrap outlines and the RTF re-encode. - A picture edit has the drawing budget instead of an 80 M pixel cap checked after decoding. A picture past that budget (about 67 M RGBA pixels) can't be drawn either, so no edit that could be seen is lost.
23 lines
699 B
TOML
23 lines
699 B
TOML
[package]
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name = "wordcraft-render"
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version.workspace = true
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edition.workspace = true
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license.workspace = true
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description = "WordCraft rasteriser: pages and thumbnails from the layout display list (vello_cpu), PNG/JPEG export"
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[lints]
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workspace = true
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[dependencies]
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wordcraft-geom = { workspace = true, features = ["image"] }
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wordcraft-doc = { workspace = true }
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wordcraft-fonts = { workspace = true }
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wordcraft-layout = { workspace = true }
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wordcraft-metafile = { workspace = true }
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vello_cpu = { workspace = true }
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image = { workspace = true }
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log = { workspace = true }
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[target.'cfg(not(target_arch = "wasm32"))'.dependencies]
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vello_cpu = { workspace = true, features = ["multithreading"] }
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