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M11: Reduce File Size's descriptions say black-and-white images go to 300 ppi

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doc_reduce, the engine's reduced_bytes doc, the optimize README's
presets and the optimize.reduce parity note still said every image
above 225 ppi goes to 150 ppi; black-and-white images go to 300 ppi
above 450 ppi, as CCITT Group 4 when smaller.

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
This commit is contained in:
Grzegorz Martens
2026-10-29 20:48:03 +01:00
co-authored by Claude Opus 5.5
parent 1f801bf4c9
commit 8bd156a4ac
4 changed files with 10 additions and 7 deletions
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parity/acrobat-features.toml
+1 -1
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@@ -7325,7 +7325,7 @@ status = "shipped"
commands = ["optimize.reduce"]
tools = ["doc_reduce"]
evidence = ["crates/ui-egui/tests/it/create.rs::reduce_file_size_writes_a_compact_copy", "crates/ui-egui/tests/it/create.rs::reduce_file_size_saves_nothing_when_the_file_is_already_small", "crates/engine/src/tests.rs::create_and_reduce", "crates/automation/tests/it/automation.rs::creating_and_reducing_through_tools", "crates/automation/tests/it/automation.rs::optimizing_through_tools", "crates/optimize/tests/optimize.rs::an_identity_decode_array_does_not_stop_reduce"]
notes = "images above 225 ppi to 150 ppi JPEG medium (after merging page pictures printed as one-pixel strips into one image), black-and-white images to CCITT Group 4 when that is smaller, thumbnails dropped, resources merged, object streams; scanner images with the default decode array are included; a copy that isn't smaller is not saved (\"already as small as it can be made\"); runs in the background with a progress bar and Cancel"
notes = "images above 225 ppi to 150 ppi JPEG medium (after merging page pictures printed as one-pixel strips into one image), black-and-white images averaged down to 300 ppi above 450 ppi, and stored as CCITT Group 4 whenever that is smaller, thumbnails dropped, resources merged, object streams; scanner images with the default decode array are included; a copy that isn't smaller is not saved (\"already as small as it can be made\"); runs in the background with a progress bar and Cancel"
[[feature]]
id = "optimize.compatibility-level"