dotCooCoo 5eb6b62632 Flatten: blend modes do not read the white under the art ...

Flatten Transparency composited each region over white, so a blend mode
on the bare page read that white. Raster renders now draw their
background under the finished art, and the flattened color no longer
matched them: a Color Burn object on the bare page flattened to white
and rendered in its own color. The region now composites the art alone
and puts the white under it.

- Tests that relied on the white under the art now draw art under the
  style (`every_builtin_style_paints_visibly_on_a_rectangle`) or compare
  only whole-pixel pans with a fresh render
  (`a_coarser_glow_kept_whole_draws_after_a_pan_as_made_again`).
- New tests cover every blend mode on white and blue backgrounds, a
  thumbnail and the ink planes with a Screen glow, and
  `over_background` at background and pixel alpha 0, 128 and 255.

2026-11-09 14:13:08 -08:00

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examples

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src

Flatten: blend modes do not read the white under the art

2026-11-09 14:13:08 -08:00

tests

Envelopes: type maps from its glyph outline bounds

2026-11-08 13:20:19 +07:00

Cargo.toml

Type: lam-alef highlight follow-up: optional features, all marks, exact ligature test (#394)

2026-10-31 19:43:17 +07:00