Illustrator 30.0's gradient Method, from the public documentation
(https://helpx.adobe.com/illustrator/desktop/paint-and-fill/create-and-edit-gradients/control-perceptual-interpolation-in-gradients.html):
Classic or Perceptual; perceptual interpolation matches colour transitions to
how the eye perceives differences between colours, and perceptual gradients
are rasterised when saved as PDF or SVG.
- Gradient gains `method` (Classic | Perceptual; serde default Classic,
written only when Perceptual, so older files open as Classic and Classic
files are written as before). The colour crate's OKLab helpers open up for it.
- Perceptual mixes neighbouring stop colours in OKLab (sample, and
sample_keep_model for the stroke meshes, Expand and blends); opacity stays
linear. Renderers that mix linearly get stops on the perceptual curve,
placed by halving each half segment where a straight line strays more than
0.4 of a colour level (a nearly straight segment needs none). Classic
gradients expand exactly as before.
- draws_as_pixels includes Perceptual gradients, so SVG and PDF write a
Perceptual fill or stroke as an image at the document's raster effects
resolution, clipped to what it paints. A gradient along or across a stroke
stays slices (PDF no longer draws it as a within-stroke image).
- With Dither: a dithered Perceptual fill is the perceptual mix with dither's
noise (the canvas's dithered grids are keyed by method too); SVG and PDF
write it as an image with the noise, and a dithered Perceptual stroke as an
image without it, as the canvas draws it (GradientPaint::pixels, SVG's
raster_paint and PDF's area are told whether they paint a fill).
Review follow-up (CodeRabbit): a gradient drawn as pixels was sized from its
area in the space it is drawn in, so type scaled 4 times got a quarter of the
raster effects resolution; the image is now sized from the area on the page,
within the same pixel caps. And type whose fill is drawn as art (a dithered
or freeform gradient's image, a pattern) went out as outlines only; its
characters are now also written as invisible text (rendering mode 3), as
unpainted type already is, so they can be selected and searched.
Illustrator 30.0's gradient Dither, from the public documentation
(https://helpx.adobe.com/illustrator/desktop/paint-and-fill/create-and-edit-gradients/control-dither-in-gradients.html):
a Dither checkbox in the Gradient panel; dither converts the gradient into
pixels with subtle noise, works with gradient fills only, and follows the
Document Raster Effects resolution.
- Gradient gains `dither` (serde default false, written only when on, so
older files open unchanged and new files keep it).
- The renderer draws a dithered linear or radial fill as an image paint: the
gradient sampled a cell per device pixel or finer (quarter-octave steps,
cached per thread), each channel given seeded triangular noise of up to a
level before rounding. Same pixels every run; strokes and undithered fills
draw exactly as before. PNG and other raster exports go through it.
- SVG and PDF write a dithered fill as an image at the document's raster
effects resolution, clipped to the shape (the freeform-gradient path);
characters' fills stay vector gradients in SVG, with a warning.
- paint.editGradient and paint.setFill take `dither`; strokes refuse it.
The Gradient panel's Dither box is dimmed behind the Stroke proxy.
- i18n rows in all 24 catalogs; docs: G13, target-app-parity, ui-parity,
mcp.md, plugins.md.
Shared groundwork for gradient options SVG and PDF can't express (Illustrator
30's dither and perceptual gradients): GradientPaint::pixels samples a placed
linear or radial gradient on a grid (Ramp: its stops, midpoints as stops, mixed
as the renderer mixes them), and draws_as_pixels says which gradients are drawn
that way (freeform ones, so far). The SVG and PDF writers' freeform-gradient
image path takes any such gradient, a linear or radial one at the document's
raster effects resolution. No change in output yet.
When the Compression settings keep a PNG as it is, the PNG goes to
the PDF writer unchanged, and the writer refuses images of 16 bits a
sample below PDF 1.5. Saving a document with a placed 16-bit PNG as
PDF 1.4, or as a .ai file at 1.4, failed with "PDF writer error:
SixteenBitImage(...)" and wrote nothing. PDF 1.3 and PDF/X-3 failed
the same way for an opaque 16-bit PNG, and PDF/X-1a failed for a
16-bit gray PNG.
In PDF 1.3 and 1.4 files, such a PNG is now decoded and encoded again
at 8 bits a sample, with the same color type and ICC profile, before
the writer reads it. From PDF 1.5 on, it keeps its 16 bits. A 16-bit
PNG whose pixel data can't be decoded is left out with the note "an
image couldn't be decoded and is missing from the picture".
Docs: docs/mcp.md (PDF options).
The PDF writer's metadata has no copyright fields, so the XMP packet of
PDF exports and PDF-compatible .ai and .ait saves left out File Info's
copyright status, notice and URL. A PDF exported without its editing
data opened with the status Unknown and an empty notice and URL,
although the reader takes them from dc:rights, xmpRights:WebStatement
and xmpRights:Marked.
The export now adds those three properties to the XMP packet after
the writer has written it, as it does for the modification date.
Marked is True for Copyrighted and False for Public Domain, and is left
out for Unknown. The notice and URL are escaped for XML, and characters
XML 1.0 does not allow are left out. A document without a copyright
gets none of the properties.
Docs: docs/mcp.md (File Info), docs/target-app-parity.md.
Text drawn in rendering mode 3 (3 Tr), which is how a scanned page carries
its recognized OCR text, was left out on open (since #2988, with a warning),
so a scanned PDF opened and saved again lost its searchable text.
Import: an invisible glyph now comes in as type with neither fill nor
stroke. It skips the glyph-outline checks that guard how visible type looks,
and it joins only other invisible text on a line (Look::takes no longer
lets it into a stroke-only run). INVISIBLE_TEXT_NOTE now only reports text
that can't be type (text opened as outlines, Type 3 fonts), and
tests_reader_compat::invisible_text_is_reported_when_left_out expects the
invisible line as unpainted type when text opens as type.
Export and print: characters with no fill and no stroke are written as real
text inside a form marked Mark::Invisible; forms::finish sets that form's
text rendering mode to 3, so it draws nothing but stays selectable and
searchable (PDF/X-1a and PDF/A-2b too). The writer has no invisible mode of
its own, so this reuses the marked-form mechanism used for layers and
overprint.
Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
PNG, PDF, EPS, legacy `.ai`, packaged zips and saved `.vectorcraft` files
record the wall-clock time they were made in, so the same commands run twice
gave different bytes although the pixels matched (#2880):
PDF /CreationDate and /ModDate D:20261018155816 vs D:20261018155817
PNG the `Creation Time` tEXt entry
.vectorcraft one byte of the stored date
SVG carries no time, and already repeated
`metadata::output_time` is the time a file records: `SOURCE_DATE_EPOCH` when it
holds a non-negative whole number of seconds, else the clock, as the
reproducible-builds specification defines it. A date a command is given
(`file.new {created}`, a save's `modified`) still wins over the variable, and a
blank, negative or non-numeric value is ignored so that an export is never
refused over the environment.
`metadata::now_unix` keeps the real clock and now has exactly two callers, both
of which must not be pinnable from the environment: the recovery heartbeat, and
the seed PDF encryption draws on.
The engine built the PDF options without a creation date, so the
writer dated every PDF and PDF-compatible .ai file with the time it
was written. A document created on 2020-01-01 (File › File Info
shows the date) exported as a PDF with today's date in /CreationDate
and xmp:CreateDate. SVG export with the metadata option already
writes the document's own date.
The options now carry the document's File Info created date and the
time of writing as the modification date. A document without a
creation date is dated with the time of writing, as before, so PDF/X
files still get their required date. The PDF writer writes one date
for both, so the export then sets /ModDate, xmp:ModifyDate and the
PDF/A history dates to the time of writing; /CreationDate and
xmp:CreateDate keep the document's date. The page information mark
and the embedded editing data's modification date keep the time of
writing.
Docs: docs/mcp.md (File Info), docs/target-app-parity.md.
When the PDF writer keeps a PNG, GIF or WebP image as it is, it accepts
the image once its header reads, and it reports pixel data that it
can't decode only when it finishes the file. An image whose pixel data
was cut short or damaged therefore failed the whole export with "PDF
writer error: Image(...)", and nothing was written. This happened in
Save as PDF, .ai saves, Save a Copy, Print, Export for Screens and
native files with PDF compatibility, and with On Copy: PDF turned on,
Copy left the PDF off the clipboard.
When the writer fails on an image's pixel data, the export now runs
again with that image left out. Its warnings hold the note that raster
exports give, once: "an image couldn't be decoded and is missing from
the picture". This note replaces the writer's "image '<key>' could not
be decoded and was skipped", which named the image by an internal key.
An export without such an image runs once, as before. A .ai file keeps
the image in its editing data and reopens with it.
Docs: docs/mcp.md (PDF options).
A document assigned a CMYK profile (Edit > Assign Profile) keeps it when
it is saved, but the working spaces are the app's, and a new session
starts with the defaults. Opened again, such a document exported its CMYK
colours tagged with the working CMYK space (VectorCraft Generic CMYK
(SWOP-like)) instead of its own profile, made that profile the PDF/X
output intent, and separated its RGB colours through it; print
separations did the same. edit.assignProfile still reported the assigned
profile, and document.exportPdf's documentation says CMYK colours are
tagged with "the document's CMYK profile".
Found on a book cover assigned FOGRA39L Coated: built in several
vectorcraft-cli runs, each reopening the saved document, its PDF/X-4
came out tagged with the SWOP-like profile unless every run set FOGRA39
as the working CMYK space again.
Export and print now work in the document's colour spaces: the active
settings with the assigned profiles in their place (document_cms). An
assigned profile that isn't available leaves the working space, with a
warning.
Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
The MCP server read one line, ran it and answered it before reading the next,
so notifications/cancelled was never seen during a call and every request
(even ping) waited behind a running export.
- vectorcraft_doc::cancel: a thread-local cancel token and progress sink that
long work polls. Checkpoints: PDF pages, PDF flattening, geometry bake,
raster-effect flattening, drawing objects, raster artboards, and before any
file is written. A cancelled command returns EngineError::Cancelled and
changes nothing.
- Server::serve reads on its own thread: notifications/cancelled drops a
queued request or stops the running one (no reply, as the MCP spec says),
engine-free requests (ping, the list methods, prompts/get) are answered at
once, a request that would wait behind a call running for 2 s is refused
with -32003 naming that call, and _meta.progressToken gets
notifications/progress (page n of m). Queue and output are bounded.
- The remote backend stops waiting for the app when the call is cancelled.
Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
A CMYK document holding RGB colours or images separates them into CMYK on export, and dark ones come out as rich blacks. The export report now says how many there are.
Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
PDF export and .ai saves wrote every page in points. ISO 32000-1
(Annex C.2) gives 14,400 units as the longest page side, and a page
with a longer side got a media box past that limit. A PDF/A-2b file
with such a page failed veraPDF's page size rule (6.1.13).
Such a page now gets a UserUnit (PDF 1.6): its longer side divided by
14,400 and rounded up to the next thousandth, with the page's sizes
and coordinates in those units. A 20,000 × 10,000 pt artboard is
written as a 14,398.85 × 7,199.42 page with /UserUnit 1.389, and
VectorCraft's PDF import reads it back at 20,000 × 10,000 pt. Pages
up to 14,400 pt, PDF 1.3 to 1.5 files, PDF/X files and printing are
written as before.
Docs: docs/mcp.md, docs/target-app-parity.md.
An Intertwine group keeps its objects as they are, in their own stacking
order; each member can be drawn over the others in an area of its own.
The group draws, hits, saves and exports through its live expansion, so the
members stay editable and Release gives them back unchanged.
object.intertwine.arrange picks an overlap area by a click point or by a
closed path drawn around overlaps and toggles which member is on top
there, or brings a member to the front or sends it to the back where three
or more objects overlap.
A scatter brush whose art is an instance of a symbol stroked with that brush, or any brush whose
art is painted with a pattern whose tile is stroked with it, drew itself without end: a stack
overflow in a hand-written native file. Brush pieces already strip the brushes of their own
strokes; now what they draw by name that would draw a brushed stroke (a symbol instance, or a
pattern paint, also through the symbols and patterns those use) is left out too, in one place
(`stroke_pieces`, which every renderer and exporter calls with the document).
Probed the rest of item 2 of the depth follow-up with hand-written hostile inputs, kept as tests:
graph designs of deep art and of a symbol holding itself, Affinity groups nested to and past
both of its reader's caps, DXF blocks inserting themselves, EMF/WMF saving states without end,
and plug-in manifests and output nested 30,000 to 100,000 deep. None of them overflowed.
Every symbol instance was measured as its transform applied to the
20 × 20 square around the origin, which symbols made in the app keep
their art in. The SVG and DXF importers keep symbol art as drawn, so
the box of an instance of an imported symbol did not match its art.
The SVG Star instance at x 20, y 30 draws from (20, 30) to (40, 50)
and was measured from (10, 20) to (30, 40). Align moved such an
instance by the wrong amount, clicks and marquees beside its art
selected it, and the canvas, exports and prints left it out when its
art reached the view or the page and the square did not.
An instance is now measured by its symbol's art, which
Document::symbol_boxes looks up in the document each time
(Node::geometric_bounds_with, visual_bounds_with and
reach_bounds_with). With Use Preview Bounds on, the strokes in the art
count at their own weight, as the canvas draws them, and
object.setBounds counts them at that weight when it sizes an instance
or an object that holds one. When strokes do not scale and a width or
height of 0 or more is smaller than what a path's stroke adds,
object.setBounds now gives the path no width or height, as it does
for an instance whose art has strokes; before, it mirrored the path.
With Use Preview Bounds on, object.setBounds now measures the margins
that strokes add object by object, the members of groups and the
objects in symbol instances' art included, and solves for the width,
height and reference point asked for when the width and height are 0
or more. Before, it measured the margins of the whole selection and
could miss the size or the reference point asked for when strokes did
not scale and the objects' strokes added different margins, and when
strokes scaled and the width and height were out of proportion, even
for one path. A clip group, a Shaper Group, a compound path, type, and
a group or instance with effects or an opacity mask of its own are each
measured as one object, and so is an instance in perspective or one
turned or slanted relative to the bounding box, other than by quarter
turns. When the selection holds more than 4,096 objects to measure this
way, each selected object is measured as one. Instances inside symbol
art are measured by their own symbol's art. An instance is measured as
the square when its symbol is missing, when its symbol or a symbol
nested in its art holds an instance of itself, and when symbols nest 32
deep in its art.
Align and Distribute, the Transform panel, the bounding box and the
selection outline, clicks, the marquee, document.inspect and
document.node, Fit to Artwork Bounds and Fit to Selected Art, canvas
culling, thumbnails, the SVG filter region of an instance with a
raster effect, raster effect images, Export Selection, the SVG of an
artboard, printing, and the PDF, EPS, EMF/WMF and DXF writers use the
new box. The renderer also culls an instance by the effects and
brushed strokes in its art, and it culls a blend, envelope or repeat
by the brush art of what it holds and the effects in the art of the
instances in it. It culls an instance with geometry effects of its own
by the effects in its art after those geometry effects reshape the art.
It measures the effects in a symbol's art once for each symbol and
linear part of the transform that places it. For symbols whose art
holds instances, it measures at most 4,096 placements a frame, and at
most 4,096 more for each pattern tile it rasterizes and each placed
document it draws. Past that, it estimates the reach from the symbol's
reach with no transform, which it measures once. When the drawn
document's symbols change, the renderer drops the cached bounds of the
instances and of the objects that hold them.
The PDF and EPS writers, the SVG of an artboard and Skip Blank
Artboards grow the box of an instance whose art holds brushed strokes
by 16 times the widest stroke (at least 1 pt) of the objects in that
art that have a brushed stroke, plus 8 pt, as the renderer grows the
cull bounds of a brushed path. They keep an instance whose brush art
reaches the page. The SVG of an artboard also keeps an object that
holds an instance when what the canvas paints for it, the effects in
the symbol's art and the instance's own included, reaches the artboard.
Not yet: other commands that measure objects, such as Select › All on
Active Artboard, Transform Each and Convert to Artboards, still measure
an instance by the square.
Docs: docs/mcp.md, docs/target-app-parity.md.
In builds with overflow checks (`cargo run`, `cargo test` and
`cargo xtask ci`), PDF export aborted the process when a number it
wrote rounded to -2,147,483,648 as an f32. pdf-writer 0.15 writes
-2,147,483,648.0 as an integer, and `Limits::register_int` overflows
when it takes the absolute value. krilla 0.8.2's `Surface` then fails
an assertion in its `Drop` while that panic unwinds.
`svg_hostile_markup_never_panics` in `import_fuzz` hit it with type
shifted 2,147,483,649 pt down. Paths, gradients, dash offsets, images
and artboards that far out hit it too, and so does a group around a
stroke wide enough to reach that far. Release builds have no overflow
checks.
PDF export now leaves out art whose coordinates or transform entries
lie beyond 1,000,000,000 in its own space or in the content stream it
is drawn into, and glyph lines whose spacing lies beyond 1,000,000,000
thousandths of an em. That covers paths and clipping paths, glyph
lines, images, gradients, strokes whose width, caps or miter spikes
reach that far, and the art and marks of a page whose artboard lies
that far, which is written blank. A dash offset beyond the bound is
written as its remainder after whole periods of the pattern.
The type's transform is now pushed inside the form that marks a fill
or stroke of type to overprint. The exporter checks what that form
holds through the type's transform, as it checks the same fill or
stroke without overprint.
A CMYK page with transparency is drawn through an alpha soft mask that covers the page (a
non-isolated group). Its cover was black: opaque as alpha, but nothing shows in a reader that
takes the mask's luminosity. A white cover is the same mask either way.
Rarely set fields move into one optional boxed NodeExtras, and large NodeKind payloads (images,
live shapes, blends, envelopes) are boxed. Every object, and every undo step that copies it,
shrinks: a 50k-path move keeps ~24.5 MB per step instead of ~40 MB. Files stay byte-identical
(Node keeps its flat JSON through a borrowed Serialize and a from-wire Deserialize, no flatten),
and loading is slightly faster. Undo and redo reuse their step's size estimate instead of
walking the document again (8.3 -> 5.6 ms for a 50k-path move).
Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01VmMmc1J8XeNLxhRihWv9cc
# Conflicts:
# crates/engine/src/cmd/graph.rs
# crates/svg/src/export.rs
The styles were stored on the text and written to SVG's text-decoration,
but the type was drawn without the lines. vectorcraft_text::decorations
now gives each underlined or struck-through stretch of a run on a line
its bar, placed and sized from the font's own underline and strikeout
metrics (with fallbacks for fonts that have none). The canvas, Create
Outlines, PDF export (outlined and real text) and SVG's outlined text
draw them in the run's paint.
Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
The PDF writer defaulted to Convert Text to Outlines, so every glyph of
every page became a path: a text-heavy PDF grew several times larger on
export (a 7-page document went from 27 KB to 226 KB) and its text could
no longer be selected or searched. Illustrator's PDF presets embed font
subsets and keep live text; that is now the default too
(advanced.outlineText: false). Outlining stays available as an option,
fonts that can't be embedded still become outlines with a warning, and
printer's marks (page information) are drawn as shapes as before.
Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
Document symbols placed inline in a run of type (beyond Illustrator; like
InDesign inline anchored objects): TextRun.inline holds the symbol, scale and
shift; the run is one U+FFFC laid out as a glyph sized to the art, centred on
the cap height. text.insertInline and Type > Insert Inline Symbol; editing
keeps the graphic whole; canvas, SVG (<use>) and PDF draw the art; Create
Outlines turns it into a symbol instance.
A `.ai` file's PDF part is what apps that don't read VectorCraft's native
document open. It had no PDF layers: hidden layers and sublayers were left
out of it and everything else was flat page content.
- `.ai` files (Save As, exports, the CLI) write PDF layers unless
`createLayers` is false (a PDF standard still decides for itself).
- createLayers writes sublayers too, as optional content groups listed
under their layer's in `/Order`, hidden ones off with their art.
- A layer's form gets a box round the whole page instead of its art's
bounds, which readers made a clipping group of, gathering a layer's art
and its sublayers' in one group.
- PDF import: art inside a group, clip or form that dissolves into its
parent keeps the layer it was drawn in, so sublayers nested in their
layer's content import as sublayers.
- Save PDF: "Create PDF layers from layers and sublayers" (ja, es, it,
pt-br, ru, zh-hans, zh-hant).
Hidden objects (not layers) still aren't in the PDF part.
Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
A PDF's DeviceCMYK image opened as RGB (the interpreter's pixels as a PNG),
so every export wrote it as DeviceRGB or ICC RGB, silently. Images now keep
their CMYK samples, as CMYK colours already did:
- Model: CMYK images are blobs holding CMYK samples, a four-component JPEG
(Adobe's inverted samples) or a Deflate CMYK TIFF. vectorcraft-doc's cmyk
module reads their ink amounts (ImageBlob::is_cmyk, ::cmyk, capped at 64
megapixels) and writes the TIFF (ImageBlob::cmyk_tiff).
- PDF import: DeviceCMYK, CalCMYK and four-component ICC images keep their
samples. A JPEG with Decode [1 0 1 0 1 0 1 0] is kept byte for byte; any
other is decoded (8 or 16 bits, its Decode array applied) and stored as a
CMYK TIFF. Masked CMYK images and 1/2/4-bit ones open in RGB with a warning.
Placing a CMYK TIFF keeps it CMYK too.
- PDF export: CMYK images are written in CMYK (DeviceCMYK, or ICC-based with
the CMYK profile when colours are tagged: PDF/X-3, PDF/X-4, PDF/A). A CMYK
JPEG neither resampled nor recompressed passes through unchanged; others are
resampled in CMYK and compressed as ZIP or as a CMYK JPEG (jpeg-encoder,
which also replaces the ZIP fallback and its warning for images converted to
CMYK). Output conversion treats them like CMYK colours: Preserve Numbers and
PDF/X-1a keep their numbers, Convert to Destination converts them to another
CMYK profile or to RGB through a 17^4 lookup table (cms::CmykLut, now also
behind the renderer's ink table). A CMYK image that can't be decoded is
reported in the warnings.
- Canvas: CMYK images show through the working CMYK profile, as CMYK fills
do, and paint their own inks in ink planes (CMYK raster exports, CMYK
blending). SVG export writes TIFF images as PNG.
Illustrator's Output › No Conversion keeps colour data as it is
(https://helpx.adobe.com/illustrator/using/pdf-options.html).
Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
The font database made one style per font file, so a variable font
such as Figtree[wght].ttf listed only its default instance (Light).
Faces now also yield their fvar named instances, each a style of the
family named by its subfamily name (the default instance is the face
itself; unnamed or duplicate instances are left out; axes and
instances read are capped). The system font scan reads the fvar table
beside the name table, so installed instances are listed before the
file is loaded and found by name and by PostScript name.
An instance face carries its axis settings: skrifa draws its outlines
and reads its metrics and advances at that location, harfrust shapes
with a ShaperInstance, so layout, the canvas, Create Outlines and hit
testing all use the instance. PDF export embeds it through krilla's
Font::new_variable, SVG @font-face through subsetter's
subset_with_variations: both write a static font of that instance.
Tests build a small variable font in code (test_fonts, via
write-fonts; no font file is committed) and check listing, resolving,
glyphs and advances, PDF and SVG export and damaged fvar/gvar tables;
Bahnschrift and Segoe UI Variable are checked where installed.
Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
- Images distort as a raster mesh warp: cut by Fidelity into triangles,
each a clipped image under the affine map of its corners (pieces overlap
slightly, no seams; the renderer paints them without clip layers; SVG
writes the pixels once and <use>s them).
- Symbol instances distort as their symbol's art (the renderer's cache
follows edits to the symbol).
- Distort Appearance bakes strokes (filled outlines) and geometry effects
before bending; Distort Linear Gradients bends linear gradients; Distort
Pattern Fills bends the tiles. Opacity masks of the content bend too.
- Bug fix: a rotated, sheared or reflected warp envelope re-warped along
the page axes. Envelopes now keep their own frame (append-only model
field), so the warp turns with the art; move and scale keep it square.
- Live evaluation shares one set of hooks (vectorcraft_doc::live::Hooks,
vectorcraft_effects::{expand_live, expanded_live_group,
expand_live_deep}) between the canvas, Expand and every exporter.
Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
Every exporter (SVG, PDF, EPS, EMF/WMF, DXF) evaluated live objects with no
text outliner, so type inside an envelope was written undistorted. They now
share vectorcraft_effects::expand_live_deep, which outlines type per run in
each run's paint, as the canvas now does too (it used the first run's paint
for the whole line).
Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
compatibility "1.3" writes a %PDF-1.3 file (its XMP metadata says 1.3
too) without transparency: a copy of the document is flattened first
with flattenerPreset (stored with PDF presets; empty is High Resolution)
and the flattener options over it, see-through image pixels counting as
transparency and rasterized areas clipped to their regions so no soft
mask is needed. Page groups are left out and the writer refuses a file
that would still have transparency. PDF/X-1a and PDF/X-3 share this
path (their version is now PDF 1.3; 1.4 is still accepted and written
as 1.3), and with it the preset, the header and metadata code and the
transparency check. Passwords at PDF 1.3 encrypt with 40-bit RC4
(revision 2). The Save PDF dialog lists PDF 1.3 and picks the flattener
preset under Advanced.
Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
Embed Page Thumbnails gives every page a /Thumb image: the page drawn on
white, 106 px on its long side, without the layers the page leaves out
(the engine draws them; vectorcraft_pdf::page_areas says what each page
shows; PDF/X files get grey ones). Optimize for Fast Web View writes a
linearised file: the objects are put in linearised order and numbering,
encrypted when a password asks (the encryption dictionary goes with the
catalog, PDF layers' groups too), then laid out with the linearization
dictionary, both cross-reference tables and the page offset and shared
object hint tables (the hint stream encrypted like any other). Their
"not applied yet" warnings are gone. Reading the objects back uses the
lexer of encrypt.rs (syntax.rs adds what rewriting needs).
Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
Advanced > Overprint: Preserve (the default; document.exportPdf
advanced.overprint) writes each overprinting fill and stroke (an object's
own, a character's, a type object's) with a graphics state of /OP true
/op true /OPM 1 (/OPM 0 in PDF/A); Discard writes none. White ones knock out
when Document Setup's Discard White Overprint is on, as in print. Mask art
never overprints. File > Print's composite PDF honours Print > Advanced >
Overprints: Preserve the same way (separations keep multiplying plates).
Each overprinting fill or stroke is drawn as a form marked to overprint
(crates/pdf/src/forms.rs); after writing, its content starts by setting the
overprinting graphics state, and the PDF/X self-check runs on the result.
The engine's "overprint is not written to PDF yet" warning and print's
"overprints print as knockouts in composite output" warning are gone.
Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
Create PDF layers from top-level layers (document.exportPdf createLayers, the
Save PDF dialog's General option) now writes an optional content group per
top-level layer (template layers are left out): named as the layer, off when
the layer is hidden, /PrintState /OFF when its Print option is off, locked
when it is locked, listed top first, with a print auto-state (not under a
standard). The file reopens with those layers.
The PDF writer has no optional content, so each layer is drawn as a form of
its own (no transparency group, so it draws as in place) starting with a mark;
after writing, the uses of the layers' forms are wrapped in /OC ... BDC/EMC
and the catalog gets /OCProperties (crates/pdf/src/forms.rs, through the
shared patch writer and the PDF syntax reader of encrypt.rs). PDF 1.4 and a
knockout page group write plain page content with a warning; the dialog greys
the option at 1.4. The "not written yet" warning is gone.
Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
document.exportPdf {standard: pdfX1a|pdfX3|pdfX4} and the PDF/X presets now
write conforming files instead of being refused:
- every PDF/X file gets a /GTS_PDFX output intent (by default the CMYK
profile in effect, embedded), TrimBox, Trapped, GTS_PDFXVersion (and
GTS_PDFXConformance for X-1a), a title and dates; editing data,
passwords and, in X-1a/X-3, PDF layers are refused
- PDF/X-1a converts every colour and image to a CMYK destination,
untagged, with CMYK spot alternates; X-3 and X-4 tag colours with ICC
profiles
- X-1a and X-3 are written as PDF 1.3 and their transparency is flattened
first (High Resolution preset; images with see-through pixels count,
rasters stay opaque); X-4 keeps transparency, is PDF 1.6 at most and
names the standard in its XMP metadata
- the written file is checked against its standard (soft masks,
transparency groups, opacity, blend modes, RGB in X-1a, fonts not
embedded) and refused rather than mislabelled
- choosing a standard sets the latest compatibility it allows and turns
off what it forbids (engine and Save PDF dialog)
Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
With Convert Text to Outlines off (advanced.outlineText: false), type is
written as selectable, searchable text: each glyph in its font, embedded
as a subset with a ToUnicode map, where its outline would be (rotated,
scaled, skewed and on-path type too; gradients keep their place). Fonts
whose licence forbids embedding, or allows only whole fonts, fall back to
outlines with a warning; a subset threshold below 100% is accepted with a
warning. Laid-out glyphs now carry their glyph id and transform.
Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
Save PDF > Output now applies: colours convert to a destination profile
(destination, or preserveNumbers keeping the numbers of colours already in
its model; grey stays grey; images and freeform gradient images convert
too; printer's marks don't). Profile inclusion writes ICC-based colour
spaces (CMYK with the destination's or the document's profile, RGB as sRGB,
grey), and transparency in CMYK output blends in the CMYK profile's space.
The output intent profile is embedded as the catalog's /GTS_PDFX output
intent with its condition, identifier and registry, and Trapped goes in
the document information (PDF/A keeps its own). A shared patch module
edits written PDFs (Lab spot alternates use it too).
Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
- pdf/src/encrypt.rs encrypts a written PDF with the standard security handler: 128-bit RC4
(PDF 1.4, revision 3; PDF 1.5, revision 4), 128-bit AES (1.6) or 256-bit AES (1.7/2.0,
revision 6), every string and stream, plaintext XMP metadata when asked, the permission bits
(printing none/low/high, five change levels, copy, screen readers). Crypto from RustCrypto
(aes, md-5, sha2: MIT OR Apache-2.0, pure Rust, wasm).
- PDF/A and PDF/X refuse passwords; equal passwords and passwords the algorithm can't take are
refused.
- Opening: the permissions password opens RC4/AES-128 files too; editing data comes back from
an encrypted PDF opened with its password.
- Save PDF › Security: the passwords, permissions and plaintext metadata, the encryption level.
Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
file.print {settings?, path?} lays the document out on paper and writes one PDF page per sheet:
copies (collated, reversed), artboards (all, a range, ignored), blank artboards skipped, paper
size and orientation (or turned per artboard), transverse, Print Layers (template layers never
print), placement on the imageable area, no scale / fit / custom / tiles of the paper or of the
imageable area with overlap and a tile range; printer's marks and bleed as PDF export draws
them; composite or separations (one grey plate per ink that prints, overprints honoured, spots
as process), emulsion down, negative; rendering intent and preserve numbers. print.preview lists
the pages, tiles, inks and warnings; print.setup saves the settings with the document
(Document.print_setup, one undo step).
PDF export and print share one page writer; the ink separation helpers move from the renderer to
vectorcraft_doc::inks and the range parser to vectorcraft_doc::range so print can use them.
Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
document.exportPdf {marks} now draws trim marks (Roman or Japanese, at the
trim mark weight and offset, outside the bleed), a registration target at the
middle of each side, colour bars (process inks, their overprints, the
document's spot inks and black tints) and the page information (title,
artboard, export date in UTC). Marks print in [Registration] (/Separation
/All), the MediaBox grows to hold them and the art is clipped to the
BleedBox. The geometry is the shared vectorcraft_doc::marks::PrinterMarks
(built on TrimMarks) so print can draw the same marks. The "not drawn yet"
warning is gone.
Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
document.exportPdf applies the bleed (the document's with bleed.useDocument,
else the custom values): each page's TrimBox is its artboard and its BleedBox
and MediaBox the artboard grown by the bleed, so art in the bleed is kept.
Layers whose Print option is off are left out unless includeNonPrinting (new
setting, Save PDF › General) or createLayers is on. The bleed warning is gone;
the Marks and Bleeds section shows the document's bleed when it is used.
Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
Colour, greyscale and monochrome (black-and-white) images placed above the
threshold resolution are resampled to the target (average, subsample or
bicubic) and compressed with ZIP, JPEG at the chosen quality, or
automatically (JPEGs stay JPEG, the others lossless); images already as
asked are embedded unchanged. JPEG 2000, CCITT, Run Length and no
compression are written as ZIP with a warning when an image needs them;
images with transparency stay lossless. Images no longer ask viewers to
smooth them in PDF/A files.
Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
Jürg Lehni