Commit Graph
52 Commits
Author SHA1 Message Date
dotCooCoo 0ed83870a4 Place: RTF files place as area type with their formatting
File > Place read text files only as plain `.txt`, and an RTF file
could not be placed. The reference app lists RTF among the formats it
places as text, keeping the file's font and style settings.

File > Place now reads RTF files, written from the Rich Text Format
Specification 1.9.1, and sets their text as area type the way a text
file is placed. Each run keeps its font from the font table, its size,
bold and italic, underline, strikethrough, all caps, small caps,
superscript or subscript (in Document Setup's proportions), baseline
shift and its color from the color table. Each paragraph keeps its
alignment, left, right and first-line indents, space before and after,
and direction. Table cells are separated by tabs and each table row is
a paragraph. Unicode characters, Windows-1252 and Mac Roman bytes and
the special-character control words are read, and of a \upr group's
ANSI and Unicode text, the Unicode text is read. Hidden text, pictures,
objects, headers, footers, notes, field instructions and other
destinations are left out, and unknown control words are skipped.

A file is read as RTF when it starts with {\rtf, whatever its name,
except a .txt file, which stays plain text. RTF files share the 4 MiB
limit of text files. Groups nested more than 512 deep share the
formatting of the deepest one read, the font and color tables keep at
most 4,096 entries, and a file with more than 100,000 paragraphs or
runs is refused. The Place dialog lists RTF files, and file.place,
file.place.info and file.place.queue report the format `rtf`.

The tests in tests_textimport.rs fail without the change, and
text_import_fuzz.rs places random RTF token streams.

Docs: docs/file-format-parity.md, docs/mcp.md,
docs/target-app-parity.md.
2026-10-17 15:14:41 +07:00
Marco Arnulfo 877aac130f EPS import: an Illustrator 3 file without layers opens its paths on one layer (fixes storytold/photocraft#6036) 2026-10-17 14:46:20 +07:00
bflatastic 77f7f02acc Docs: file-format-parity keeps one EPS and one PostScript row 2026-10-17 14:46:20 +07:00
dotCooCoo a070d83be3 EPS: images encoded with CCITTFaxDecode draw
The PostScript interpreter that reads EPS and PostScript files had no
CCITTFaxDecode filter. Reading a file whose image data went through it
stopped at an error naming the filter, and the file opened from a
fallback, such as its preview or the art drawn before the image, or
did not open.

CCITTFaxDecode now decodes CCITT Group 4 (ITU-T T.6) and Group 3
one-dimensional and mixed (ITU-T T.4) data to rows of 1-bit samples.
It reads K, Columns, Rows, EndOfBlock, EndOfLine, EncodedByteAlign and
BlackIs1 (PLRM 3rd ed., §3.13; ISO 32000-2, §7.4.6). With EndOfBlock
the data ends at its EOFB or RTC regardless of Rows, and the RTC of
mixed Group 3 data, six EOLs each with a tag bit, is found by the
filter. Damaged data keeps the rows decoded before it, and damage in
the first row is an ioerror. Columns outside 1 to 65,535 and Rows
below 0 are a rangecheck, and data that would decode to more than
256 MiB is refused. hayro-ccitt 0.3.0, already in Cargo.lock through
hayro-syntax, becomes a dependency of vectorcraft-eps.

The tests encode their images in the test, with the fax crate's
Group 4 encoder and T.4 run codes (a dev-dependency, already in
Cargo.lock through tiff), and fail without the change. The import fuzz
tests read a Group 4 and a Group 3 image coded by hand from the T.4
and T.6 tables, read the same file with random damage, and add the
filter and its parameters to the hostile programs.

Docs: docs/file-format-parity.md, docs/target-app-parity.md.
2026-10-17 14:43:14 +07:00
dotCooCoo 08dc614938 File formats: PostScript (.ps) and .epsf files open and place
The EPS reader read PostScript by any name, but the Open and Place
dialogs hid .ps and .epsf files, and a .ps or .epsf file whose header
is only %! could not be opened or placed ("not a format VectorCraft
reads"). The reference app lists .eps, .epsf and .ps under Open and
Place.

- A read-only PostScript format (ps) joins the format table. A .ps
  file opens and places through the EPS reader and reports the
  ps format. document.export does not write .ps; file.print does.
- .epsf is an EPS extension.
- OPEN_EXTS and PLACE_EXTS list epsf and ps, so the dialogs, the CLI
  help and the MCP open_file description list them.
  UNASSOCIATED_EXTS lists them too: the macOS bundle declares neither.
- A .ps or .epsf file whose header is only %! now pastes as EPS when
  copied in a file manager, as one with a %!PS header already did, and
  clipboard.importEps reads PostScript whose header is only %!, which
  it rejected before.

Docs: docs/mcp.md, docs/file-format-parity.md (.ps row),
docs/target-app-parity.md.
2026-10-17 14:43:14 +07:00
bflatastic bf785840e5 Docs: file-format-parity keeps one PNG/TIFF row with both notes 2026-10-17 13:52:05 +07:00
dotCooCoo 3fc78187ec TIFF: planar grayscale files with extra channels, and planar CMYK files, open and place
TIFFs that store each channel as its own plane (PlanarConfiguration 2)
did not open, place or relink when they were CMYK or grayscale with
extra channels: the image decoder refuses planar CMYK, and the readers
for CMYK inks and for extra samples returned nothing for planar files.

The two readers now read every plane through the tiff crate and put
each pixel's samples together. A planar CMYK TIFF keeps its ink
amounts and is stored as a CMYK TIFF with each pixel's inks together,
at the file's resolution. Grayscale TIFFs with an alpha channel or
other extra channels, and CMYK TIFFs with alpha, read as their chunky
versions do.

A TIFF whose header claims more strips or tiles than the tiff decoder
can count is refused as too large to draw. The decoder multiplies
those counts without a check, which panics in builds with overflow
checks.

Part of #1466.

Docs: docs/file-format-parity.md, docs/target-app-parity.md.
2026-10-17 13:49:49 +07:00
Roman Vasilyev 4ed644d98d EPS: preserve editable Illustrator art and filter raster page comparison 2026-10-17 13:48:05 +07:00
vangel76andClaude Opus 5.5 57c79dc0b4 PNG export: an sRGB chunk marks the colours as sRGB, embedIcc turns it off (#2221)
Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
2026-10-17 13:06:51 +07:00
GameDirection 6fc79c33b7 Export for Screens: batch exporting with name patterns, folders and presets (#1935)
Issue #1935 asks for batch exports of many logo variations in many
formats, each format in its own folder. This builds on Export for
Screens, which already writes every chosen artboard in every format row.

Names: a file name pattern (`name`) names every file alike. Tokens:
<filename> (the document), <name> (the artboard, asset, layer or
object), <index>, a run of # (a counter, zero-padded to the run's
length, from counterStart; counterPer item or file), YYYYMMDD,
YYYY-MM-DD, <date>, <time>, <YYYY>, <MM>, <DD>, <format>, <scale> and
<suffix>. A trailing .ext is dropped. Words are not changed: only the
date patterns and the bracketed tokens are. `date` sets the day (the
default is today, UTC). Different files that a pattern names alike get
-2, -3... Without a pattern, two rows with one name still write the
first row only, as before.

Folders: `folders` puts all files in one folder, a folder per row (as
Create Sub-folders did), per extension, per item, or per item and then
extension.

What is exported: besides artboards, assets and the full document,
`layers` (each layer's art alone, sublayers included) and `selection`
(one file of the selection, or a file per object).

Formats: rows can also be EPS, AI and VectorCraft (a document of the
item alone, its one artboard). A PDF row with printer's marks (PDF
Print in the dialog: trim, registration, colour bars, page information,
suffix -print) sits next to a plain PDF row.

Presets: document.exportPresets.list, .save and .delete keep batch
export presets with the preferences, and `exportPreset` uses one under
the call's own params. Built-in: Logo Package (SVG, PNG 1x and 2x, PDF
and print PDF, a folder per format) and Print-Ready PDF.

Dialog: Layers and Selection tabs with thumbnails; an Export Preset
menu with Save and Delete; Folders; File Name with Insert for the
tokens, Start at, Prefix, and an example of the first file's name. The
OK button says Export Layer or Export Selection on those tabs.

Tests: the pattern tokens, the request's example (SVG, PNG, PDF and
print PDF for artboards 1-3, a folder per extension, the print PDF a
bigger page), folders by item and both, the counter by item and by
file, numbered duplicates, layers and the selection, EPS, AI and
VectorCraft per artboard, presets (built-in, saved, used, replaced,
deleted, kept with the preferences), bad params, and the dialog (every
tab, the example name, a pattern export into folders, the Layers and
Selection tabs, presets applied and saved). The three tests that
refused EPS and VectorCraft rows now check those files. New labels
are translated in all 19 catalogs.
2026-10-16 15:27:55 +07:00
Gert Pellin b9069e761e .ai import: a rotated image in the editing data lands where its raster matrix puts it (#2269)
The raster matrix [a b c d tx ty] is an art-space matrix (y up) applied to
the pixels with their rows running downwards, (u, -v). The reader flipped
the matrix's result instead, which only agrees when b = c = 0, so a rotated
image came in turned 180 degrees around its corner. The legacy version 7
writer and its prolog used the same convention; they now write and draw
the matrix the reader takes.
2026-10-16 14:58:08 +07:00
dotCooCoo 3b327d9512 EPS import: CMYK images keep their ink amounts
The PostScript interpreter that reads EPS and PostScript files turned
the samples of a CMYK image into display RGB and stored an RGBA PNG,
so the image lost its ink amounts. The DCTDecode filter decoded a CMYK
JPEG to RGB, so it lost its ink amounts too. The PDF importer keeps
the ink amounts of 8- and 16-bit CMYK images (in a CMYK TIFF, or the
CMYK JPEG itself).

A CMYK image (image or colorimage in DeviceCMYK, CIEBasedDEFG or a
four-component ICCBased space) now keeps its samples in a CMYK TIFF
(ImageBlob::cmyk_tiff), read through its Decode array, at every bit
depth the interpreter reads. A CMYK JPEG gives its samples as stored,
and the image's Decode array reads them: [1 0 1 0 1 0 1 0] undoes the
inverted samples of Adobe's CMYK JPEGs. The pixels that a MaskColor
or an ImageType 3 mask hides become a grayscale opacity mask over the
image, as in PDF import. A mask that hides nothing adds no mask. Gray,
RGB, indexed and spot color images and image masks stay RGBA PNGs.

Docs: docs/file-format-parity.md, docs/target-app-parity.md.
2026-10-16 06:16:35 +07:00
dotCooCoo 261b64251d PDF/.ai import: PDF and .ai files open with the File Info they carry
A PDF, PDF-compatible .ai or .ait opened from its pages had an empty
File Info. Nothing read the file's document information
dictionary or its XMP packet, so file.info reported no author,
description or keywords, even for a PDF that VectorCraft exported.

vectorcraft_pdf::file_info reads both. The author, description,
keywords, copyright status, notice and URL and the created and modified
dates come from the XMP packet (dc:creator, dc:description, dc:subject
or pdf:Keywords, xmpRights:Marked, dc:rights, xmpRights:WebStatement,
xmp:CreateDate, xmp:ModifyDate), else from the dictionary's Author,
Subject, Keywords, CreationDate and ModDate. document.open,
file.newFromTemplate and file.revert put each value through file.info's
checks and leave out a value that file.info refuses. A packet that is
not well-formed XML leaves the dictionary's values. File Info does not
set the title, and a file restored from the document it carries keeps
that document's File Info. vectorcraft-pdf depends on roxmltree 0.21,
which usvg already brings into Cargo.lock.

Docs: docs/mcp.md (File Info), docs/file-format-parity.md,
docs/target-app-parity.md.
2026-10-16 06:16:34 +07:00
dotCooCoo 427cd65f30 Templates: Save as Template can also write a PDF-compatible .ait
File › Save as Template always wrote a .vctemplate. The save panel
offered only that type, file.saveAsTemplate ignored its format param,
and a name typed with .ait got .vctemplate added. New from Template
already opened a .ait as an untitled document.

Save as Template now also writes a .ait: the PDF-compatible file Save
As writes for .ai, carrying the document. The desktop save panel lists
VectorCraft Template first and the .ait type beside it, and the web
build's Save as Template dialog gets a Format menu with the same two
types. file.saveAsTemplate writes .ait for format: "ait", or for a path
ending in .ait when no format is given, and takes the .ai options;
file.formatOptions answers for ait. .vctemplate stays the default.
Exports and Export As still do not write .ait.

Docs: docs/mcp.md, docs/file-format-parity.md (.ait row),
docs/target-app-parity.md.
2026-10-16 04:04:49 +07:00
dotCooCoo dc179c3671 .ai import: CMYK images in the editing data keep their ink amounts
When a .ai file, or an EPS with editing data, opened from its editing
data, the reader converted each embedded 8-bit CMYK image to RGB and
stored it as a PNG, so the document lost the image's ink amounts. When
the same .ai opens from its PDF part, the PDF importer keeps them in a
CMYK TIFF.

The reader now stores those samples with ImageBlob::cmyk_tiff, as the
PDF importer does (crates/pdf/src/import_image.rs). An alpha channel
that hides part of the image becomes the image's opacity mask, a
grayscale image over it, as in PDF import. Grayscale, RGB and 1-bit
images still open as RGBA PNGs.

Docs: docs/file-format-parity.md, docs/target-app-parity.md.
2026-10-16 03:36:20 +07:00
Dan Green 7844f46c65 Part of #868: legacy .ai runs as a PostScript program, with a prolog of its own
The file had an empty prolog, so a PostScript interpreter stopped at its first operator: it
couldn't be printed, placed or previewed by anything that runs PostScript. The prolog's
procedure set (VectorCraft_Legacy, written from the PostScript Language Reference and the
version 7 specification) now gives every operator the writer emits its meaning: paths and their
painting with separate fill and stroke colours and overprints, the fill rule, compound paths
painted as one path, clipping groups and masks, guides that don't print, layers that are hidden
or don't print marking nothing, and images drawn from the hex samples on the comment lines after
XI. Gradients fill with the colour set before them (the first stop's), and the type and encoding
operators take their operands and mark nothing.

VectorCraft opens a file with that prolog from its program, as before: its page has flat
gradients and no type.

Every file the writer's tests write is now run through import_with(bytes, false) and must draw
what the document it was written from draws: its paths, fills, strokes and images in the same
places and colours, with type left out (type the writer outlines is compared as its glyphs'
outlines), gradients as their first stop, layers that don't print left out and hidden objects
shown when the options write them visible. A new test prints the sample with every layer shown.
The engine's flattened-image test also opens the file as PostScript.
2026-10-16 01:36:25 +07:00
Dan Green 37cebc47ee Part of #868: vectorcraft-cli convert writes legacy .ai (--ai-version 7, --hidden-objects, --transparent-images) 2026-10-16 01:36:25 +07:00
Dan Green 67e17c1b66 Part of #868: legacy .ai options Hidden Objects and Text, and docs
The Legacy .ai Options dialog gains Hidden Objects (Hidden Layer, Omit, Make Visible) and Text
(Editable, Outlines), translated in every catalog. Docs: type and hidden objects in the legacy
.ai paragraphs, the restored revision rows and roadmap row.
2026-10-16 01:36:24 +07:00
Dan Green 32df15a554 Part of #868: docs for Save As .ai legacy version 7 (artboard picker, Transparent Images) 2026-10-16 01:36:24 +07:00
skylar taylor-barrick 2ecba1fb9c PDF.R1: reconcile shared reader with current writer 2026-10-14 03:59:03 -06:00
skylar taylor-barrick 52960faf63 PDF.W1: reconcile shared writer with current main 2026-10-14 01:23:19 -06:00
bflatastic 0c0d2448da Docs: ROADMAP and parity docs for the later 2026-10-14 merges (#1630–#1875); gaps noted for reporters; macOS save sheet Format menu back to missing 2026-10-14 11:22:40 +07:00
skylar taylor-barrick e01a65d8a9 PDF.R1: integrate shared reader with bounded nesting checks 2026-10-13 21:58:01 -06:00
skylar taylor-barrick a699a26221 refactor(pdf): use shared writer for export and print (PDF.W1) 2026-10-13 20:41:14 -06:00
DWAA1660 dfb0ce36bd M14: verify and bound PngSuite corpus downloads (#1729) 2026-10-14 06:01:10 +07:00
bflatastic f17ecf4f5c Docs: ROADMAP 2026-10-14 adds #1558–#1808 and Image Trace #1647, #1657; guide position in the Transform panel is a convenience, not a parity claim 2026-10-14 06:01:10 +07:00
sanyamsingh001andCodex cfec15d8d9 G13: offer TIFF in Export for Screens and Asset Export
Co-authored-by: Codex <noreply@openai.com>
2026-10-14 05:16:22 +07:00
bflatastic d44615753a Docs: ROADMAP 2026-10-13 adds #1492–#1583; Average and Join corrected to missing, Polish row count 2026-10-13 10:52:37 +07:00
fortesnow ba68fcfbfc .ai import: a page's art past its artboard no longer lies over the page before it
A PDF-compatible .ai keeps its art past the artboard edge unclipped (#646),
and its pages are laid out in a row 36 pt apart. Art that a page draws far
to the left of its artboard (notes beside a design, say) then lay over the
page before it. There it was taken for that page's art: the check against
the editing data found art its layers don't have and opened the file as
its PDF part, without the art outside its artboards, and place_pages left
that art behind when it moved the pages.

Such a page now moves right until its art clears the art before it.
Plain PDFs (clipped to the page) keep the 36 pt gap.
2026-10-13 06:56:37 +07:00
bflatastic c1be8b82db Docs: ROADMAP 2026-10-12 adds #1434–#1497 (later merges of the day)
Progress log, evidence, checklist rows and revision history for the
changes merged late on 2026-10-12 that the progress docs didn't have.
2026-10-13 03:25:37 +07:00
bflatastic 988f52ecc8 Fix #1423: an Affinity text frame too short for its first line is made taller instead of showing nothing 2026-10-12 23:42:56 +07:00
bflatastic 25c33b6927 Docs: ROADMAP 2026-10-12 adds #1397, #1402, #1404, #1409, #1413–#1415, #1418, #1426–#1428 2026-10-12 23:42:39 +07:00
EricKuck 42c923d62a .ai import: editingData "always" and convert --editing-data open a file from its editing data even where its page draws differently 2026-10-12 23:07:25 +07:00
EricKuck 939bc02f6b .ai import: art styles, a clipping path's own fill, compound paths of looks and a group's own transparency from the editing data 2026-10-12 23:07:05 +07:00
EricKuck 77120ada62 .ai import: radial and skewed gradient matrices, focal points and stop order, gradient meshes and artboard names from the editing data 2026-10-12 23:06:51 +07:00
EricKuck 5b413448d9 SVG export: knockout groups of opaque art draw in order, without masks 2026-10-12 23:06:34 +07:00
EricKuck 34b3c59a03 PDF import: an editor's .ai keeps its RGB numbers, and a fill faded or masked by its group keeps its stroke apart 2026-10-12 23:06:19 +07:00
bflatastic 7f5d8a3db1 Fix #1387: a .ai whose PDF part is only text opens from it 2026-10-12 19:50:53 +07:00
bflatastic bfb173e967 Fix #1388: PDF import keeps overprint 2026-10-12 19:50:53 +07:00
bflatastic 106925c74b Docs: ROADMAP 2026-10-12 adds #1375, #1376, #1379, #1382, #1383, #1386, #1390–#1392, #1395 2026-10-12 19:36:41 +07:00
bflatastic 39c14abd35 Fix #1264: placed (linked) files in a .ai file's editing data come in as linked images
A .ai file with placed files opened from its PDF part (no guides, no sublayers,
no hidden objects), because the editing-data reader stopped at them.

- Lexer: a placed file's preview section is one token (it was skipped).
- Reader: %AI5_BeginPlace ... ~ becomes a linked image with the file's path,
  showing the preview the data keeps of it (premultiplied ARGB, capped at
  MAX_PIXELS, its rows checked against the bytes there), in its place: the
  matrix takes the file's pixels from the canvas, where they start at the point
  of art space's origin. A placed file without a preview, a path or a matrix
  still makes the file open from its PDF part.
- The open result lists one warning saying linked pictures show the
  low-resolution preview until their files are found (rows in the catalogs).
- Engine: a link nothing is known of whose image shows a preview is read where
  it is found as the document opens, into the image's bounds, and isn't
  reported as modified.
- Tests: lexer, reader (hand-written data), engine open with the link missing
  and found, fuzz tokens.
- Docs: file-format-parity, target-app-parity, gaps, ROADMAP.
2026-10-12 17:46:01 +07:00
bflatastic 9d63926291 PDF import: a PDF saved with its editing data opens on its artboard with its bleed
A PDF-compatible .ai opens on its trim boxes, its editor's artboards,
with the bleed boxes round them as the document's bleed (#1349). A PDF
saved with its editing data (#1345) keeps that data under
AIPDFPrivateData keys, which has_illustrator_data didn't look for, so
such a PDF with a bleed still opened on its crop box: the artboard took
the bleed in and the editing data was refused as being for a different
page. has_illustrator_data now finds either key. has_private_data, which
also decides how a page is clipped, is unchanged.

Test: a_file_with_a_bleed_opens_on_its_artboard_with_the_bleed_round_it
(the .ai case, and the same hand-written file with AIPDFPrivateData).
2026-10-12 16:44:16 +07:00
bflatastic 2cf0452beb Docs: ROADMAP 2026-10-12 adds #1239, #1250, #1252, #1308, #1318, #1335, #1339, #1345–#1359 2026-10-12 16:44:16 +07:00
Ikki Nishihara 0d244440a9 fix(cad): a closed control-point DXF SPLINE is read as closed (#1299) 2026-10-12 15:16:43 +07:00
dotCooCoo 1e76e389d2 Part of #868: PDFs saved with the reference app's editing data open from it, as .ai files do
A PDF saved with the reference app's editing data keeps that data in
streams named AIPDFPrivateData1, AIPDFPrivateData2, ..., where a .ai
file uses AIPrivateData1, AIPrivateData2, .... illustrator_data read
only the .ai names, so such a PDF opened like any other PDF: plain
groups opened ungrouped, and hidden objects and guides were missing. The
import gave no warning that the PDF's editing data went unread.

illustrator_data now reads the AIPDFPrivateData streams when the file
has no AIPrivateData1, and the PDF opens from its editing data as a .ai
file does. editingData: false still opens it like any other PDF.
has_private_data still looks for AIPrivateData keys only.

layered_ai also returns whether it read the layers. When it did, art
reaching past a PDF's page opens whole, and through_editing_data drops
the PDF importer's note that such art was clipped (PAST_PAGE_NOTE, now
public) as it drops the off-artboard note. When it didn't, both notes
stay. On main, a .ai whose editing data can't be decoded or has no
layers opened from its PDF part without the off-artboard note.

testkit::ai::pdf writes the .ai file of testkit::ai::ai with the PDF
key names. The editing-data tests open it as a PDF, and the import fuzz
test opens the damaged sample as a PDF too.

Docs: the document.open params, docs/mcp.md,
docs/file-format-parity.md, docs/gaps.md (G9: the export direction of
#868 remains), one evidence line in docs/target-app-parity.md, and #868
moved from layer structure to editing data in the File formats row of
docs/target-app-parity.md and in docs/roadmap.md.
2026-10-12 14:50:00 +07:00
Aaron GuoandClaude Opus 5.5 a99b1200ff PDF/.ai import: a .ai opens on its artboard with its bleed round it (#1266)
A PDF-compatible .ai with a bleed writes its PDF part's page as the
artboard grown by the bleed: the crop box takes the bleed in, the trim
box is the artboard and the bleed box the bleed. The importer made the
crop box the artboard, so the bleed opened as more white page with no
bleed guide; and since the editing data's artboard no longer matched
that page, its layers weren't read either ("its editing data is for a
different page").

Opening a PDF-compatible .ai with the crop box (the default) now takes
its trim boxes as the artboards. Any import on the trim boxes (Crop To
› Trim, for a PDF too) sets the document's bleed to how far the bleed
boxes reach past them on each side (ISO 32000-1, 14.11.2), kept to
0–72 pt, and the document read from the editing data keeps it. Art in
the bleed shows outside the artboard, within the bleed guide. Plain
PDFs still open on their crop box by default, and Place is unchanged.

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
2026-10-12 14:50:00 +07:00
bflatasticandClaude Opus 5.5 0cfdefa853 #1102: an EPS keeps its page and stacked text strokes through its layers
Since #1025 reads global colours, more Illustrator EPS files open through
their layers, and for one reported file that gave a worse result than its
page did in 0.8.0:
- the page became the editing data's artboard (344 pt tall) instead of the
  file's own bounding box (358 pt), cutting off art reaching above it. An
  EPS whose page is its art's box now keeps that page on the layers path
  too, as it does on the page path.
- prune_unseen took out text objects the page does draw: a red stroke
  stacked over a dark red one differs from it by less than the lightness
  margin, so the page looked no different without it. Pruning now weighs
  each text object by colour (any of red, green, blue more than 64 apart);
  the page check itself still compares by lightness, so colours written
  as their CMYK equivalents still match.

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
2026-10-11 11:03:11 +07:00
bflatasticandClaude Opus 5.5 2480a505cb #1068: a .ai read as its PDF part keeps its artboard layout
When a .ai's layers can't be read from its editing data yet, it opens as
its PDF part, which lists the artboards as pages; those were laid out in
a row, so a grid of artboards (or any other arrangement) was lost. The
editing data's artboards are now read even then (ai::artboards, as far
as the reader gets) and, when there are as many as pages and of the same
sizes, each page goes where its artboard is, with the art on it (the art
of a page: the objects mostly on it, else nearest it). Otherwise the
pages stay in a row as before.

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
2026-10-11 07:29:16 +07:00
bflatasticandClaude Opus 5.5 f043a1a392 #1032: spot colours defined in Lab keep their Lab values
A .ai or PDF whose spot colours are defined in Lab opened them wrong:
- the PDF part gives such an ink an ICC Lab profile as its alternate
  space ([/ICCBased profile], 3 components), which was read as RGB, so
  the Lab values were clamped into wildly wrong colours (PANTONE 249 C
  came in yellow). A profile whose Alternate is [/Lab ...], or whose
  header names the Lab data colour space, is now read as Lab;
- the editing data writes them as `c m y k L a b (name) tint 2 Xx`,
  type 2 being Lab, and only the CMYK equivalent was read. Type 2 now
  gives the Lab colour, in the swatches and on the art.

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
2026-10-11 07:06:05 +07:00
bflatastic 2048084396 #1027: PostScript-form .ai files open through their layers
A .ai in PostScript form went only to the PostScript interpreter, which
stopped on the first operator its missing prolog would define
(`Adobe_packedarray`, `Lb`, `Np`): files from Rhino and other CAD apps name
the procsets without including them.

- Such a program is its own editing data: when it has layers
  (`%AI5_BeginLayer`) and no private data, the editing-data reader reads it,
  compared with the page when the program runs, from the layers alone when
  it can't be run. If the layers can't be read either, the error says why.
- The reader takes the legacy ten-operand `Lb`, ignores flatness `i`, and
  uses the bounding box as the page when nothing else says where it is.
- Tests on synthetic files; fuzz fixture and hostile-program layers added.

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>

# Conflicts:
#	ROADMAP.md
#	docs/file-format-parity.md
#	docs/gaps.md
2026-10-11 06:04:48 +07:00