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M4.67: TIFF export in RGB, CMYK or grayscale, with LZW, either byte order and the profile

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document.export {format: "tiff"} writes baseline TIFF through the raster
export path (resolution, background, anti-aliasing, artboard ranges):
colorModel rgb (transparency as unassociated alpha), cmyk (ink amounts,
CMYK colours keep their inks) or gray, lzw (weezl), byteOrder little (II)
or big (MM), embedIcc, and the resolution tags. Export As offers it with
the tiffOptions dialog; TIFF moves from read-only to read and write.

The TIFF writer is shared: EPS previews now use it (and its PackBits)
instead of their own copy, so eps depends on render (layers allow it).

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
This commit is contained in:
bflatastic
2026-10-05 15:24:29 +07:00
co-authored by Claude Opus 5.5
parent 961ca75a28
commit d01b2fbd8a
22 changed files with 904 additions and 178 deletions
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docs/control-protocol.md
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@@ -365,3 +365,8 @@ artboards' files.
EMF and WMF: Export As… lists both formats (`file.exportAs {format: "emf"}` or `"wmf"`); they have no options
dialog, so `ui.dialog.confirm` asks for the path and writes the file (one per artboard with Use Artboards). Open and
Place read `.emf` and `.wmf`; a paste of `image/emf` from a system clipboard service runs `clipboard.importEmf`.
TIFF Options: Export As… with the TIFF format (`file.exportAs {format: "tiff"}`, then the save dialog) opens
`tiffOptions`: the raster rows of PNG Options (`ppi`, `background`, `antiAlias`), then `colorModel` (`rgb`, `cmyk`,
`gray`; a CMYK document starts on `cmyk`), `byteOrder` (`little`, `big`), `lzw` and `embedIcc`. `ui.dialog.set` the
fields and `ui.dialog.confirm` writes the file(s) with `document.export`.