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photocraft/ATTRIBUTION.md
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abf785f7b1 Magic Eraser and Background Eraser tools; canvas rotation/flip/size move vector geometry (#70)
* Magic Eraser and Background Eraser engine commands

paint.magicEraser erases the wand region (tolerance, anti-alias,
contiguous, sample all layers, opacity) to transparency, tile by tile in
parallel; paint.backgroundEraser erases colours similar to the one under
the brush hotspot (continuous / once / background swatch sampling,
discontiguous / contiguous / find-edges limits, tolerance, protect
foreground colour). Both compare and erase in the layer's own channels at
any depth, respect the selection, turn the Background into Layer 0 like
Photoshop, and are one undo step. The Magic Eraser paints the background
colour on layers with locked transparency.

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>

* Magic Eraser and Background Eraser tools in the Eraser group

Shift+E / E cycles Eraser, Background Eraser and Magic Eraser; the
toolbar flyout lists all three. Options bars: Magic Eraser tolerance,
anti-alias, contiguous, sample all layers and opacity; Background Eraser
sampling toggles, limits, tolerance and protect foreground colour. The
Background Eraser cursor always shows its sampling hotspot. Icons are
derived from Lucide's eraser (ISC), recorded in ATTRIBUTION.md.

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>

* Image Rotation, Canvas Size, Crop, Trim and Image Size move vector geometry

Canvas-wide operations remapped only pixels: type, shape and smart-object
transforms, vector masks, saved/work paths, guides, slices, notes and
Count/Ruler marks stayed put, so they jumped back on the next re-render.

New engine module canvas_geom applies the canvas map to all non-pixel
geometry. 90°/180°/flip turns remap every pixel surface exactly (incl.
type/shape/smart/fill caches and smart filter masks) and move geometry
through the matching affine; guides swap orientation under 90° turns;
rect/ellipse/line live shapes stay live; gradient fill angles follow.
Canvas Size/Crop/Trim translate geometry (shapes re-render for the new
canvas), Image Size scales it and re-renders vectors, Arbitrary rotation
also moves unlinked vector masks and document marks. Layer effect angles
stay (Global Light), as in Photoshop.

Tests compare the CPU composite of a rotated document (type, shapes,
vector mask, smart object) against the rotated flattened original, also
after re-rendering everything from geometry, at 8/16/32-bit RGB, CMYK
and Gray.

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>

* Magic Eraser: edit encoded tile bytes in parallel (24 MP: 1260 -> 375 ms)

Tiles are copied out as encoded bytes and only the touched samples are
decoded, so the parallel workers do all the work and the serial write-back
is a memcpy. The ignored bench prints a phase breakdown.

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>

---------

Co-authored-by: Claude Opus 5.5 <noreply@anthropic.com>
2026-10-04 16:17:39 -04:00

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Attribution

Every non-code asset in this repository, with its author, source and license. PhotoCraft's own code and original assets are MIT OR Apache-2.0 (see LICENSE-MIT, LICENSE-APACHE and NOTICE). When you add an asset, add a row here in the same change; third-party assets must be permissively licensed and keep their license file next to them.

Bundled in the app

Path Title Author Source License
assets/fonts/Inter-Regular.ttf, Inter-Medium.ttf, Inter-SemiBold.ttf Inter 4.001 (UI font) The Inter Project Authors (Rasmus Andersson) https://github.com/rsms/inter SIL OFL 1.1, assets/fonts/OFL-Inter.txt
assets/fonts/JetBrainsMono-Regular.ttf JetBrains Mono 2.305 (numeric font) The JetBrains Mono Project Authors https://github.com/JetBrains/JetBrainsMono SIL OFL 1.1, assets/fonts/OFL-JetBrainsMono.txt
assets/icons/*.svg except slice-knife.svg, eraser-background.svg and eraser-magic.svg (108 files) Lucide icons Lucide Icons and Contributors https://github.com/lucide-icons/lucide (icons/<name>.svg; align-* are now named text-align-* upstream) ISC, assets/icons/LICENSE-lucide.txt
assets/icons/{check,chevron-down,chevron-right,chevron-up,chevrons-left,chevrons-right,circle,clock,compass,info,link,lock,minus,moon,move,navigation,plus,search,square,trash,triangle,type,x,zoom-in}.svg Lucide icons derived from Feather (subset of the row above) Cole Bemis (Feather), Lucide Contributors https://github.com/feathericons/feather via Lucide MIT (Feather) and ISC (Lucide), assets/icons/LICENSE-lucide.txt
assets/icons/slice-knife.svg Slice tool glyph PhotoCraft contributors Original work MIT OR Apache-2.0
assets/icons/eraser-background.svg, assets/icons/eraser-magic.svg Background Eraser and Magic Eraser tool glyphs: Lucide eraser plus added marks Lucide Icons and Contributors; marks by PhotoCraft contributors Derived from https://github.com/lucide-icons/lucide icons/eraser.svg ISC, assets/icons/LICENSE-lucide.txt
assets/dict/en_US-scowl-50.txt.gz English word list for Check Spelling (SCOWL 2020.12.07, size 50, en_US; 72,403 words) Kevin Atkinson and the SCOWL contributors http://wordlist.aspell.net/ SCOWL license (permissive, keep the notice), assets/dict/LICENSE-SCOWL.txt, which also has the build recipe
crates/cms/profiles/photocraft-coated-cmyk.icc PhotoCraft Coated CMYK (synthetic) ICC profile PhotoCraft contributors (generated by photocraft-cms, src/synth.rs) Original work, see crates/cms/README.md CC0-1.0
assets/app-icon/ (all files) PhotoCraft app icon (nine-tailed kitsune) The project owner (drawn in ArtCraft, vectorised) Original work, see assets/app-icon/README.md MIT OR Apache-2.0, assets/app-icon/LICENSE.txt

The other built-in ICC profiles and the generated LUT looks are produced by code at runtime (crates/cms/src/builtin.rs, crates/cms/src/lutfile.rs) and dedicated to the public domain (CC0-1.0); they are not separate files.

Documentation and README

Path Title Author Source License
docs/brand/ (all files) ArtCraft name, wordmark and mark ArtCraft Team getartcraft.com Not open source; trademarks of the ArtCraft Team, docs/brand/LICENSE-brand.txt
docs/images/photocraft-*.jpg PhotoCraft screenshots PhotoCraft contributors (UI) Rendered offscreen with the snapshot example MIT OR Apache-2.0 (UI); the artwork in each is public domain, listed below

Artwork shown in the screenshots (all public domain, via Wikimedia Commons; details in docs/images/SOURCES.md):

Screenshot Artwork Source
photocraft-demo.jpg The Great Wave off Kanagawa, Katsushika Hokusai, c. 1831 Commons
photocraft-layer-styles.jpg Earthrise, William Anders, Apollo 8, 1968 (NASA) Commons
photocraft-masks.jpg Girl with a Pearl Earring, Johannes Vermeer, c. 1665 Commons
photocraft-vector.jpg Water Lilies, Claude Monet, 1906 Commons
photocraft-filters.jpg The Starry Night, Vincent van Gogh, 1889 Commons
photocraft-adjustments.jpg Impression, Sunrise, Claude Monet, 1872 Commons
photocraft-transform.jpg The Tetons and the Snake River, Ansel Adams, 1942 (U.S. National Archives) Commons
photocraft-type.jpg Among the Sierra Nevada, California, Albert Bierstadt, 1868 Commons
photocraft-export-light.jpg The Kiss, Gustav Klimt, 1907–1908 Commons

Test data (not committed, not shipped)

corpus/ is gitignored. corpus/psd holds MIT-licensed test PSDs (ag-psd, psd-tools), listed in corpus/psd/SOURCES.md; cargo xtask corpus --download fetches PngSuite (public domain). Files copied in by hand must be MIT, BSD or CC0. No test fixtures are committed to the repository.