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Land #653, #654, #656: Image Trace View modes, Palette and Create Strokes (part of #641) - #657
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… View modes - The Image Trace panel's Advanced options sit under a full-width collapsible header (widgets::section_toggle, also used by New Document's Advanced Options); whether it is open is kept with the UI preferences. - View: Tracing Result, Tracing Result with Outlines, Outlines, Outlines with Source Image and Source Image, in the panel, the Control bar and the Properties panel. The view is saved in the Image Trace object's settings (`trace.view`), kept when it is traced again, set with the new `imageTrace.setView` command (or `view` on imageTrace.make) and drawn by the canvas only (RenderOptions::trace_views): exports, printing and Expand keep the tracing result. Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
…cument Library) Color mode's colours now come from a Palette (`palette` in imageTrace.make's params), shown in the Image Trace panel under Mode: - Limited: the `colors` best colours (what Color did before; the default). - Full Tone: median cut until no colour box spans more than 96 (Less) … 8 (More) levels per channel, up to 256 colours, set by `colorDetail` 0-100 (the panel's Colors slider for this palette). - Automatic: flat art (90% of the pixels in a few tight colours) traces with exactly its colours, anything else as Full Tone. - Document Library: the most used (at most `colors`) colours of the document's swatches or of a swatch library (`library`: "document" or a library id or name, chosen in the panel's Library list), used as they are; traced shapes fill with the swatch's own colour, its colour model kept. The library's colours are looked up at every trace, not saved. Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
Advanced › Create: Fills and/or Strokes, with Stroke (the widest line, px). With Strokes, each colour's 8-connected parts no wider than the stroke width (chamfer distance transform) trace as open centre lines instead of filled outlines: the line is thinned to one pixel (Zhang-Suen with each removal re-checked, so two-pixel lines survive; staircase corners dropped), its skeleton becomes runs between ends and junctions (junction pixels merged, spurs pruned, runs through two-way junctions joined, rings closed), and each run is simplified and fitted with curves. The stroke width is the line's mean width (pixels over length). Traced lines get round caps and joins in the document. Without Fills, wider areas become 1 px stroked outlines. `imageTrace.make` takes fills, strokes and strokeWidth, and refuses neither fills nor strokes and a non-positive width. Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
…iew modes # Conflicts: # ROADMAP.md
…ment Library) # Conflicts: # ROADMAP.md # crates/engine/src/cmd/buildcmds.rs # crates/ui-egui/src/panels/image_trace.rs
# Conflicts: # ROADMAP.md # crates/engine/src/cmd/buildcmds.rs # crates/engine/src/tests_build.rs # crates/mcp/src/prompts.rs # crates/trace/src/tests.rs # crates/ui-egui/src/panels/image_trace.rs
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Lands the three Image Trace PRs for #641 together. They conflict with each other in the panel, the
imageTrace.makeparams doc, the MCP prompt and the ROADMAP, so they're merged here with every side kept:imageTrace.setView.Verification
cargo xtask cion this merge (fmt, clippy, tests, assets, brands, layers, wasm): all pass.🤖 Generated with Claude Code