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Draw non-native art in .ai editing data from its PDF

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A /ForeignObject (non-native art: the content of a placed PDF, which
Illustrator shows but doesn't edit) was left out with a note. The
letterhead of #861 keeps its fan of swooshes that way: a radial gradient
in a 3-point PDF, scaled 271 times and clipped by the swoosh paths, so
the page lost its main graphic.

The reader now decodes the object's ASCII85 /Data, has the PDF importer
read the PDF, and fits its art to the object's box as a group named
"Non-native art": /Bounds measured from /Origin with y down, then
/RTransform, which lands exactly on the clipping paths around both
objects of that file; the PDF's content is kept in its own y-up
coordinates, so it is flipped into the box. Ids are the document's and
the PDF's swatches stay unlinked; its images join the document by
content key. A PDF that can't be read is left out with a note, as
before.

The EPS crate now uses the PDF crate (same layer; allowed in the layer
check like render and metafile).

Co-Authored-By: Claude Fable 5.1 <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_017ZwZjADUZP4VzvrFGpiZch
This commit is contained in:
Reinhard Schuerer
2026-10-10 17:58:55 +07:00
committed by bflatastic
co-authored by Claude Fable 5.1
parent 7d6be31711
commit 79dd751d3b
6 changed files with 204 additions and 14 deletions
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docs/mcp.md
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@@ -521,9 +521,10 @@ CMYK too.
PostScript files (`.eps`, and `.ai` files saved in older formats or without PDF compatibility) open through the EPS
reader (see EPS and PostScript import). An `.ai` saved without PDF compatibility (its PDF part is only a placeholder
page) opens from its editing data alone: its type is made from the file's text document where it can be (point type,
area type and type on a path), and what can't be is left out with a warning; so is non-native art (the content of a
placed PDF, which Illustrator shows but doesn't edit and keeps as a PDF inside the editing data); without editing data
it says it can't be opened.
area type and type on a path), and what can't be is left out with a warning. Non-native art (the content of a placed
PDF, which Illustrator shows but doesn't edit and keeps as a PDF inside the editing data) is drawn by the PDF importer,
as a group named "Non-native art" fitted to the object's box; one whose PDF can't be read is left out with a warning.
Without editing data it says it can't be opened.
What a PDF holds comes in as editable art: soft masks become opacity masks (an alpha mask as a white copy of its art;
the backdrop colour gives Clip, an inverting transfer function Invert), transparency groups keep isolation and knockout,