Linked images and placed documents in the art of the stored brushes (a
scatter or art brush's art, a pattern brush's tiles) are listed in the
Links panel after the other stored art, one row per linked or placed
object in each brush tile, with the brush as owner
(`{kind: brush, name, index, tile?}`). Check Links, the missing and
modified files reported on open, the link watch, Find in Folder, Relink
(including Relink All Instances), Update, Embed, Placement Options, Link
Info and Go To act on them, and their tooltip names the brush.
- vectorcraft-doc: `Document::mounted_art` holds art kept outside the
document's trees while a command looks it up by id; the stored-art
lookups, link visitors and `art_roots` include it, and
`number_mounted_art` gives its objects ids of their own.
- vectorcraft-brush: `stored_art::StoredArt` mounts the art of the
brushes that hold images or placed documents and writes back only the
entries whose art changed. Entries that do not read as a brush are left
as stored. `brush::store` keeps ids of their own in that art, so a row
keeps its id between commands.
- vectorcraft-engine: the links commands, opening a document, saving a
placed document's source, output of linked files and placed documents,
color masks after Update or Relink, and Package relinking go through
the mounted art.
Brush art rows follow the general Links rule as VectorCraft's own
application of it.
Color Mask checked the whole document for a grayscale image colorized
with a process color only when the document passed that check before
the run. With another such image already in the document, the check
was skipped, and a process-colorized gray image could take masked
pixels with transparency.
Each image whose mask changes is now checked on the pixels the new mask
shows, made from the image's own pixels, so an image elsewhere in the
document no longer affects the result. A mask that hides nothing keeps
the image's own pixels and is still set. When new pixels replace a
masked gray image's own pixels under a process color, the mask made for
them hides nothing, and Apply Color Mask refuses them. The check shares
its colorize predicate with paint's check_colorized.
Object › Plug-ins › Image Tools gains Color Mask… (`addon.image.colorMask`),
Remove Color Mask and Apply Color Mask. Color Mask hides colors of the
selected images without changing their pixels. It matches colors as Remove
Background does: the edge color, the corner color or picked colors, with
Contiguous, Match, Tolerance and Softness. The mask is kept with the image
object and saved with the document: its settings, and a PNG of the image's
pixels with the hidden colors made clear, at the source's depth with its
color profile and resolution. It is a VectorCraft addition.
- The canvas (clip groups and white-shape opacity masks included),
printing and separations, PDF (soft masks of CMYK images included), SVG,
EPS, the raster formats, the legacy .ai and .ai editing data, EMF/WMF,
DXF and the flattener draw the masked pixels. A linked image stays
linked, and an output that would refer to its file writes the masked
pixels instead.
- Copy and paste, placing a document and placed documents carry the masked
pixels with the image, under the names they are given there.
- The dialog opens on the selected image's mask settings, with a Preview.
Without settings, the command returns them and changes nothing.
- Setting, removing and applying a mask are each one undo step, and no
step is added when nothing changes. Apply makes the masked pixels the
image's own and embeds a linked image. A mask that hides nothing is only
taken off, and the image keeps its pixels and its link.
- When an image's own pixels are replaced (Update Link, Relink, Crop
Image, a recolor, a linked file read again on open), its mask is made
again for the new pixels, in every art tree and in opacity-mask art.
Crop Image cuts the image's own pixels. When the new pixels can't be
masked, the mask keeps its settings and hides nothing.
- Objects in `ids` that are not images, CMYK images, linked images that
show their preview, images past the decode allowance, masks that would
hide every pixel, and grayscale images colorized with a process color
are refused. The Eyedropper, Object Mosaic, Create Gradient Mesh, Crop
Image's trim and Image Trace read the image's own pixels.
- An image is selected by a click anywhere in its frame, as before.
Remove Background now also refuses a grayscale image colorized with a
process color. Its result has an alpha channel, and a process color is
refused on a grayscale image with transparency.
Docs: docs/mcp.md (Image Tools add-on › Color Mask),
docs/target-app-parity.md.
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