Export for Screens and the Asset Export panel's Export encoded and wrote
every file on the UI thread, so the window stopped responding until the
last file was written. For 50 artboards in PNG at 1x, 2x and 3x, PDF and
SVG (250 files, 47 MiB), the dialog's OK took a median of 43.8 s in a
release build on Windows.
With Enable Background Export on (Preferences › File Handling), OK now
checks the settings, remembers them and takes a snapshot of the
document, and the dialog closes. The thread that writes background
saves and exports then encodes the files and writes them into the
folder, or one ZIP in it, and the export progress dialog's Cancel stops
it before the next file. The same OK takes under 0.001 s, and the files
have the same names and bytes. With the preference off, without a
folder, on the web and over MCP and scripts (document.exportForScreens
and assets.export), the files are made at once with the same reply as
before.
Both commands report one progress step per file, so the progress dialog
shows "File 3 of 250" and MCP progress notifications count the files in
place of the encoders' artboards and pages.
Docs: docs/target-app-parity.md, docs/control-protocol.md, docs/mcp.md.
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.
Layers ≡ and row menus collect art via assets.add; a layer id expands to the art under it (including sublayers) so MCP and the panel match Object › Collect for Export.
Export Selection, Asset Export, the Assets tab of Export for Screens
and the rasterized art of CSS Properties cropped each object to its
visual bounds, which leave out live effects. A path with an 8 pt drop
shadow was exported with the shadow cut off at the path's edge, and
a group's own shadow was cut off the same way.
The crop is now the bounds the renderer measures for what it draws
(`vectorcraft_render::effect_bounds`): `painted_bounds` without its
room for brush art. A brushed path is cropped to its visual bounds as
before, and a Shaper group leaves out its transparent source art as
its visual bounds do. `assets.list` reports the same crop. The
renderer measures a shadow's or glow's reach on every side of the
object, so the image also has transparent room on the side away from
an offset shadow.
Docs: docs/mcp.md, docs/target-app-parity.md.
Window > Asset Export lists the document's assets as thumbnails: art
dragged in off the canvas (or added with +) becomes one asset per object,
or one of them all with Alt; Object > Collect for Export does the same.
Assets name their objects, so they follow edits (moving the art moves the
crop) and deleting the art removes it from its asset. Click selects,
double-click renames, the bin removes. The panel's export settings are
Export for Screens' own format rows on the document's shared settings, and
Export writes each asset alone, cropped to its art, into a picked folder
(the web downloads a zip). Export for Screens' Assets tab lists the assets
with checkboxes and exports the checked ones.
Commands: assets.add, assets.remove, assets.rename, assets.list,
assets.export, assets.settings.set; document.exportForScreens takes
assets. Model: Document.assets (ExportAsset {id, name, nodes}).
Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
Dylan M. Taylor