Every laid-out line of type is written at its own position (wraps,
indents, tabs, hyphenation and all caps as on the canvas): a positioned
tspan per style run and, on justified lines, per word. Centred and
right-aligned lines are anchored at their centre or right end, so they
stay aligned in a viewer whose font differs. Leading comes from the
layout's baselines, baseline shift is written as dy, horizontal scale as
textLength, vertical scale as the size, tracking and manual kerning as
letter-spacing. The fewerTspans option (engine and dialog) writes one
positioned tspan per line.
Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
document.export, serialize and save, and the Save As / Save a Copy UI
commands, take the SVG options flat or as svg: {…}: styling
(presentation, style, entities, css), outlineText, images (embed or
link; linked files are written next to the SVG), objectIds (layerNames,
minimal, unique), decimals 1–7, minify, responsive, useArtboards and
range "all" (one SVG per artboard), preserveEditing (the SVG reopens as
the full document) and metadata. Unknown keys are rejected and
document.formats lists every option with its default. Results carry the
SVG writer's warnings.
Save writes SVG to an .svg path and Save again reuses its options.
Export As SVG and Save As / Save a Copy to .svg open SVG Options (first
use: Internal CSS and Responsive, then the last-used choices) with a
read-only code view. Save a Copy no longer retargets the document.
Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
Each <text> is swapped for a placeholder group before usvg runs, so the text keeps its z-order,
parent group, clip, mask, opacity, link and <use> instances, and usvg resolves its gradient and
pattern paints (in text space). <textPath> becomes type on a path (startOffset, side, anchor),
vertical writing-mode type on a vertical path. Per-character x/y/dx/dy/rotate lists become line
breaks (bounded), kerning (absolute x measured against the layout), baseline shift and rotation;
baseline-shift, numeric and relative weights (style names), letter/word spacing, kerning and the
character stroke's cap, join, miter and dashes are kept. The style cascade supports type, #id,
multiple-class, attribute, descendant and child selectors with !important and specificity.
<pattern> paints become pattern swatches. The import fuzz covers the new attributes and CSS.
Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
A pixel (and a unitless user unit) is a point and absolute lengths convert at 72 pt per inch
(`font-size="12pt"` is 12 pt, `1in` is 72 pt); a root size in absolute units keeps the physical
size main already gave it (`210mm` opens as a 595.28 pt artboard, user units being CSS pixels of
it). The document's units follow the unit of the root width (pixels when it has none). Text font
sizes honour their units (em/ex/% relative to the parent size, CSS size keywords), as do text
positions, letter spacing, stroke widths and dashes.
Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
Shipped code no longer unwraps, expects or panics: every one of the 124
unwrap()/expect()/panic!/unreachable! sites outside tests now handles the
failure (Result/Option, ?, let-else, defaults) and reports errors to the user.
- Lints: workspace clippy denies unwrap_used, expect_used, panic, todo,
unimplemented and unreachable; clippy.toml allows them in tests, and
integration tests, examples and testkit opt out explicitly.
- Safety net (vectorcraft_engine::guard): a panic in a top-level command rolls
the document back and returns EngineError::Internal; a panicking tool is
reset; the MCP server answers with an internal error and keeps serving; the
UI frame and each control request are guarded.
- APIs that hid failures now return them: Rendered::to_png/to_jpeg/to_webp
return Result (JPEG/WebP errors used to write empty files),
FontDb::face returns Option, Region::top returns Option.
- Fuzzing: engine/tests/import_fuzz.rs feeds garbage, hostile and mutated SVG
and PDF through import → render → export (30k cases locally, no panics).
- Docs: AGENTS.md/CLAUDE.md rule, docs/development.md "Robustness" section,
README pointer and a PR template checklist.
Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
The Gradient panel's Stroke buttons now work: with the Stroke proxy on a
linear or radial gradient they lay it within the stroke (placed on the
page, as before), along the path (start to end of each subpath) or across
it (left edge to right edge; inside/outside strokes span their visible
side). `paint.editGradient {stroke: true, strokeMode}` sets it (new art
too with nothing selected); `document.inspect` reports
strokeOptions.gradientMode. Model: StrokeLayer.gradient_mode (default
Within, not written).
Shared geometry in effects::stroke::gradient: ribs on the bisectors of
the flattened path (fans round sharp corners, widened under arrowheads,
following width profiles) cut slices each painted with a linear piece of
the gradient (Gradient::span). The canvas and raster export clip them to
the stroke's outline and arrowheads, grown a pixel and composited with
copy so there are no seams and translucent stops paint once. SVG and PDF
write the same slices clipped to the outline, with a warning (new
vectorcraft_svg::export_with_report). Outline Stroke and Expand make
gradient meshes clipped to the outline. Mesh quads now grow along their
edges so thin quads show no seams. Dashes, profiles and arrowheads keep
working in both modes.
Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
Radial gradients show a dashed extent ellipse: its handle across the bar
sets the aspect ratio, the ellipse elsewhere rotates it, and the dot inside
the centre ring drags the focal point (GradientGeom.focal) for an off-centre
radial. paint.setGradientGeom takes aspect (%) and focal ([x,y] | null), and
start/end may be left out; the focal point keeps its place in the ellipse as
the vector, aspect and object transform. It renders as a two-point radial,
exports and imports as SVG fx/fy and PDF two-point radial shadings, expands
to off-centre rings, and travels in gradient params and the native format.
Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
Window > Attributes (Cmd+F11) shows Overprint Fill/Stroke, Show/Don't Show
Center, Reverse Path Direction Off/On, the non-zero / even-odd fill rule,
Image Map, a URL field with recent URLs and a Browser button, and a note.
New commands attributes.set and path.setFillRule; path.reverse takes ids and
reversed; attributes.info reports every value. Objects keep the attributes in
Node.attrs. SVG export wraps linked objects in <a>, and import reads links
back. The canvas draws the centre point of selected objects that show it.
Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
Paint given to a clipping path (paint commands with its id) now shows: its
fill paints inside the clip behind the clipped art and its stroke over the
art, unclipped, on the canvas and in SVG and PDF. Node::clip_paint splits the
clipping path into its fills and its strokes (type: its characters' too) for
all three outputs; the renderer caches the parts per clipping path. Clip group
visual bounds take in the stroke. Make Clipping Mask still leaves the clipping
path unpainted, as the reference app does; Ungroup no longer wipes a painted
clipping path's appearance (Release already kept it).
Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
Exported masks carry data-vectorcraft-mask="noclip invert" (the options that
differ from clipping, not inverted). Import restores the flags and the original
mask art, dropping the backdrop rectangle and inverting filter group that draw
the options in SVG; a single mask object comes back as itself, not wrapped in a
group. Masks from other apps import as before.
Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
A colour linked to a global or spot swatch keeps a tint (Paint::Solid.tint, 1 by default and
left out of files at 100 %): paint.setFill/setStroke {swatch, tint} apply the swatch at that
percentage, swatch edits recolour every linked colour at its own tint, and Color::tinted
resolves it (CMYK and Gray inks scale, RGB mixes toward white). swatch.new saves a tint as a
tint swatch ("Ink 40%") linked to its base. Spot tints separate as that percentage of their
plate (Separations Preview, PDF Separation value) instead of an ink-ratio guess. Adjust Color
Balance's Global mode (tint) shifts the tints of linked colours. The Color panel shows Tint
mode (the swatch chip, its name and a T slider) for linked colours; the Swatches panel
highlights the tint swatch in use. Gradient stops get the same link and tint fields (the
swatch walks cover them), so GradientStop is no longer Copy.
Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
Freeform gradients carry their own points (colour, opacity, spread) and lines
(Catmull-Rom curves through points), blended by inverse-distance weighting
from each disc of pure colour. paint.editGradient {kind: "freeform", mode?}
places 4+ points inside the shape, coloured along the stops (which follow the
points' colours). The renderer samples the field on a cached colour grid
drawn as an image paint clipped by the fill or stroke. Moves, transforms,
box rebases and warps move the points; old files load unchanged.
Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
With type selected, stroke.set (without an item) gives every run the
weight, cap, join, miter limit and dashes instead of adding an object
stroke; while the Type tool edits text, the Stroke panel styles the
selected characters through text.setRangeStyle `strokeOptions`, and the
panel reads the first run (or the selection's style).
CharStyle gains stroke_cap, stroke_join, stroke_miter_limit and
stroke_dash (defaulted, skipped when default). Character strokes and
object strokes on type now draw through the shared stroke geometry on
the canvas, in PDF and in SVG (live text writes cap/join/miter/dash and
tspans reset what the first run sets; object strokes are drawn on the
glyph outlines), so every stroke option, opacity and blend applies.
Outlines, the Eyedropper and graphic styles keep the options.
Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
A group's or layer's own fills and strokes paint every member's geometry, below or above the
members as the new contents slot (Appearance.contents_index) says; its geometry effects reshape
the members as one piece and its raster effects apply to the composite (one combined shadow),
respecting knockout groups. Type's own fills and strokes paint under or over its characters.
Render, SVG/PDF (via bake) and Expand Appearance evaluate them alike.
Commands: appearance.* / effect.* take target: "object"|"contents" and layer ids;
appearance.moveItem moves the Contents slot (from: "contents") or an item across it
(contents); appearance.targetContents selects a group's members. Graphic styles applied to a
group now style the group itself. The Appearance panel shows Contents/Characters rows that
drag, and double-click to target the members or edit the characters' paint.
Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
layer.clippingMask.toggle {id?} -> {clip}: the top object of the current
layer (or of the one selected group, or of `id`) becomes the clipping path,
unpainted and moved to the bottom so art added later is clipped too; pressing
the button again releases the mask and leaves the path unpainted. One undo
step. The Layers panel button runs it and underlines clipping-path names.
Model: NodeKind::Layer.clip (skipped when false). Clipped layers render, hit
test, bound, and export to SVG and PDF like clip groups (Node::clips /
set_clips); the clip-path helpers are shared with Make/Release Clipping Mask.
Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
color::blend gains blend_rgb (the 16 blend functions, with the 0.3/0.59/0.11
luminance of the non-separable modes), composite (source-over with blending)
and the shared opacity-mask luminance weights. Exported SVG masks take
luminance from sRGB values (color-interpolation="sRGB"), as the canvas does.
Tests: a per-mode table on the canvas (object, fill and group blend modes,
within 1/255; Exclusion 2/255 in the rasteriser's 8-bit pipeline), the same
table through SVG export rendered by resvg, clip and invert masks against the
canvas, and every mode's PDF name read back.
Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
Geometry effects reach objects that aren't paths through their outlines (vectorcraft_effects::
reshape: glyph outlines, evaluated live art, the symbol's art, an image clipped by its reshaped
frame), applied to the whole art as one piece; the renderer caches that art per object and
paints raster effects around it in the same filter layers paths use (shared Renderer::raster_fx,
also used per fill/stroke). Exports bake the reshaped art; SVG writes per-item filters; PDF
warns about raster effects on strokes as well as fills and objects.
Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
New Document.page_isolate / page_knockout, set by
transparency.togglePageIsolatedBlending / togglePageKnockoutGroup {value?}
(one undo step each, saved with the document, reported by
transparency.info) and the Transparency panel menu's check items. The page
renders as an isolated group (top-level blend modes no longer blend with
what lies under the page) and/or a knockout group whose elements are the
layers (neutral layers pass their objects through). PDF and SVG wrap the
page content in an isolated group and write page knockout as soft masks.
Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
Both writers now ask the shared stroke geometry how to write each stroke
(effects::stroke::for_writer): a plain stroke where that is exact, else the
canvas's filled outlines (arrowheads, width profiles, dashes fitted to corners,
dots with round or projecting caps), grouped under the stroke opacity when the
line and its heads overlap. Brushed strokes are written as their brush art.
Inside/outside alignment only applies to closed paths, so open paths export as
centred strokes. The PDF outside-stroke clip frame and the SVG outside mask now
cover the whole stroke reach (miter spikes, projecting caps). SVG stroke
gradients use the same paint box as the canvas. The svg crate docs no longer
claim arrowheads, profiles, brushes and effects are dropped.
Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
New Node.knockout_shape (transparency.set / object.setProps knockoutShape,
reported by transparency.info). In a knockout group such an object knocks
out only as much as its opacity and mask let through (a 50% object knocks
out 50%); otherwise its full coverage knocks out. The renderer, PDF and
SVG masks honour it, and the panel's checkbox is now live.
Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
Knockout Group is now Knockout {Neutral, Off, On} (old files' true loads as
On, false as Neutral). In a knockout group each child erases what the
children below it drew where it paints, then adds itself, so it composites
against the group's backdrop; neutral plain groups pass their children
through to the enclosing knockout group. transparency.set / object.setProps
take knockout "on"|"off"|"neutral"|bool; transparency.info reports the
state. PDF and SVG write knockout groups as nested soft masks with the same
look (PDF warns); the Transparency panel has a tri-state checkbox.
Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
Clip groups clip by compound paths (with their holes), even-odd paths, text
outlines and groups (the union of their members) on screen, in raster
export, in SVG and in PDF alike, through one shared region:
Node::clip_outline (the model walk) and effects::clip_outline (text
outlined, several shapes united), cached per clipping path in the
renderer. Nothing to clip by hides the clipped art everywhere, and clicks
hit a clip group only inside its clipping region. Make Clipping Mask takes
a compound path or text object on top (it loses its paint) and Release
gives it back unchanged in kind.
Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
Text import turns the gap between an absolutely positioned <tspan y> and the previous line into
that many line breaks, with two problems:
- At least one break was added even when the tspan sits on the current baseline. Styled or
kerned runs written with x and y on every tspan (as Illustrator writes them) were split into one
line per run: "Hello <tspan y=same>world</tspan>" came back as "Hello \nworld".
- The count had no upper bound. A tspan with y="1e15" (or any y far below its text) asked for
~10^14 '\n' characters, and opening the file aborted the app, the MCP server or
`vectorcraft-cli` with "memory allocation failed" after eating all memory.
A tspan less than half a line from the current baseline now adds no break, the gap is capped at
10 000 line breaks, and a non-finite gap counts as one; other gaps are unchanged.
Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
VectorCraft writes and reads SVG at 1 user unit (CSS px) = 1 pt, but a root width/height in
absolute units was taken in CSS pixels (96 per inch). An A4 document from Inkscape
(width="210mm" height="297mm" viewBox="0 0 210 297") opened on a 793.7 × 1122.5 pt artboard,
i.e. 280 × 396 mm, with all art 4/3 too large, and its PDF export came out on that page size;
width="8.5in" gave an 11.3 inch artboard and width="300pt" a 400 pt one.
When the root width or height has an absolute unit (in, cm, mm, pt, pc) the import now scales by
72/96 along that axis, so the artboard and the art keep their physical size (595.3 × 841.9 pt for
A4); geometry, stroke widths and text follow through the same transform. Unitless, px, % and
viewBox-only files are unchanged.
Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
Area type was written as one <tspan> per paragraph at the frame's top-left: SVG text never wraps,
so every SVG viewer (and VectorCraft's own import) showed each paragraph as a single line running
out of the frame. Centred and right-aligned area type also got text-anchor="middle"/"end" at the
frame's left edge, so it was centred on (or ended at) that edge instead of inside the frame.
The exporter now asks the text layout for the lines: each line is a <tspan x y> at its baseline,
at the line's left edge, centre or right edge to match the text-anchor, with hyphenated breaks
written with their hyphen and the spaces at soft breaks dropped. The <text> carries the first
line's position too, so importers that place text by its own x/y (ours included) start at the
first line. Re-importing an exported file now reproduces the area type pixel for pixel as point
type with the same line breaks (justified lines lose their extra word spacing).
Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
A dash pattern with a negative value (for example [-5, 3], from `stroke.set` or a PDF `d`
operator) was handed to the dasher whenever any value was positive. When the values sum to zero
or less the dasher never advances, so rendering the document hung forever (canvas, screenshot,
PNG/JPEG export, `vectorcraft-cli convert`).
PDF (32000-1 §8.4.3.6) and SVG (`stroke-dasharray`) both define such a pattern as invalid and the
stroke as solid. `Dash::is_dashed` now says whether a pattern draws dashes (finite, non-negative,
not all zero), and the renderer, the width-profile outline, the SVG and PDF exporters and the PDF
importer use it, so an invalid pattern is drawn, written and read back as a solid stroke everywhere
(the PDF exporter used to clamp negatives to 0, writing zero-length dashes).
Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
VectorCraft exports type on a path as <text><textPath href="#text-path-N"
startOffset="…%"> with the path in <defs>, but the XML text fallback read
every <text> as point type at the text element's x/y. Text on a path
therefore re-imported as a straight line at (0, 0), above the artboard
and mostly out of view, and lost its path.
Resolve the textPath's href (SVG 2 href or xlink:href) to the <path>,
bake the text's user-space transform (and the path's own transform) into
it, and read startOffset (a percentage, or a length along the path) into
TextKind::OnPath.
Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
