Files
vectorcraft/docs
dotCooCoo 7dd161cc49 Place: DCS files link with their spot plates as spot swatches and separate on their own inks
File › Place with Link reads a DCS 1.0 or 2.0 file (an EPS file whose
header names one EPS program per printing plate) as one linked image of
its plates. Each spot plate adds a spot swatch in the CMYK values the
file gives, and the clipping path the file's composite is drawn through
clips the image. document.open, file.place without link or from bytes,
and links.embed refuse a DCS file and change nothing.

- The screen, composite print and exports show the plates mixed into
  CMYK. Separations Preview and print separations show each plate on
  its own ink; a spot plate prints as its CMYK values when spots print
  as process.
- links.list answers the format DCS, and with dcsTransparency marks the
  DCS images that are transparent or overlap transparent objects (the
  Links panel menu's Show DCS Transparency Interactions).
- swatch.unused leaves out a spot swatch while a DCS image has a plate
  of its ink.
- links.update and links.relink read the plates and the clipping path
  again, and the link shows as modified when one of its plate files
  changes or is gone.
- The plates go on the first plate's pixel grid, grown to hold every
  plate where it prints; a plate of another size or position is
  resampled onto it.
- A file may name 64 plates, a plate file may be 1 GB, and the plates
  together may hold 512 MB of ink amounts. A file naming more plates is
  an error.

Docs: docs/mcp.md, docs/target-app-parity.md, docs/file-format-parity.md.
2026-11-12 09:30:20 -08:00
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