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M8.16: Envelopes bend images, symbols, gradients, patterns and appearance; warps keep their frame

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- Images distort as a raster mesh warp: cut by Fidelity into triangles,
  each a clipped image under the affine map of its corners (pieces overlap
  slightly, no seams; the renderer paints them without clip layers; SVG
  writes the pixels once and <use>s them).
- Symbol instances distort as their symbol's art (the renderer's cache
  follows edits to the symbol).
- Distort Appearance bakes strokes (filled outlines) and geometry effects
  before bending; Distort Linear Gradients bends linear gradients; Distort
  Pattern Fills bends the tiles. Opacity masks of the content bend too.
- Bug fix: a rotated, sheared or reflected warp envelope re-warped along
  the page axes. Envelopes now keep their own frame (append-only model
  field), so the warp turns with the art; move and scale keep it square.
- Live evaluation shares one set of hooks (vectorcraft_doc::live::Hooks,
  vectorcraft_effects::{expand_live, expanded_live_group,
  expand_live_deep}) between the canvas, Expand and every exporter.

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
This commit is contained in:
bflatastic
2026-10-06 12:01:47 +07:00
co-authored by Claude Opus 5.5
parent cd99714b42
commit 04fa49413c
21 changed files with 1008 additions and 146 deletions
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docs/mcp.md
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@@ -1829,6 +1829,12 @@ envelopes, the path for a top-object envelope); the content keeps the envelope's
opacity mask.
Type inside an envelope distorts as its glyph outlines, run by run in each run's paint, on the canvas and in every
export (SVG, PDF, EPS, EMF/WMF, DXF).
Everything inside bends with the envelope: images as a raster mesh warp (cut into pieces by Fidelity, each a clipped
image under its own affine map; SVG shares the pixels between the pieces), symbol instances as their symbol's art,
and with Distort Appearance strokes (as their filled outlines) and geometry effects; with it, Distort Linear Gradients
bends linear gradients and Distort Pattern Fills the pattern tiles. A transformed envelope keeps its warp in its own
frame (`kind.frame` in `document.inspect`; rotating a warp envelope turns the warp with it), and move and scale keep
it square to the page.
```json
{"name":"run_command","arguments":{"command":"object.envelope.makeWithWarp","params":{"style":"arch","bend":40}}}