Files
photocraft/crates/psd/fuzz/fuzz_targets/abr.rs
T
Brandon ThomasandClaude Opus 5.5 d881785fde Photoshop brushes: .abr import, stylus pressure/tilt, 36 grouped presets, .grd import (#74)
* psd: .abr brush (v1/v2/v6+) and .grd gradient (v5) parsers and writers

Clean-room from public format descriptions: legacy computed/sampled brushes,
8BIM-sectioned samp/patt/desc files, 8/16-bit raw and PackBits tips. Bounded
(MAX_EDGE, MAX_TOTAL_BYTES), damaged brushes are skipped with warnings, hostile
input returns Err. Adds an abr fuzz target.

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

* paint: 36 grouped built-in brush presets and new procedural tips

General / Dry Media / Wet Media / Special Effects groups (pressure size/opacity
variants, airbrush, pencils, charcoal, pastel, crayon, rake, watercolour, ink,
oil, foliage, grass, stipple, sparkle, halftone…). Leaf, grass, charcoal,
sponge, star and rake tips are generated in code. BrushPreset gains a group.

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

* io: map .abr brushes onto BrushSettings

Tip shape, shape dynamics, scattering, texture (embedded patt patterns),
dual brush, colour dynamics, transfer, pose, noise, wet edges, build-up and
captured tool options; unmapped settings are reported as warnings. Includes
bench_abr (100-brush import, 5000-dab stroke).

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

* engine: brush.presets.importAbr and gradient.presets.importGrd

Path or base64 data, group per file (re-import replaces), unique names next to
the built-ins; graceful-failure tests.

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

* ui: real stylus pressure/tilt, grouped Brushes panel, Import Brushes

Pen force from egui Touch events (Windows WM_POINTER via winit), Pointer Events
pressure/tilt/twist on the web, tilt via ui.pointer; mouse stays 1.0. .abr/.grd
open from File > Open, drag-and-drop, Brushes panel and Preset Manager. Preset
previews keyed on a cheap signature instead of the full brush JSON.

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

---------

Co-authored-by: Claude Opus 5.5 <noreply@anthropic.com>
2026-10-04 16:26:16 -04:00

15 lines
456 B
Rust

//! Fuzz the `.abr` brush parser: any input must return `Ok` or `Err`, never panic, and anything
//! that parses must keep its samples within the advertised bounds.
#![no_main]
use libfuzzer_sys::fuzz_target;
use photocraft_psd::abr;
fuzz_target!(|data: &[u8]| {
if let Ok(f) = abr::parse(data) {
for s in &f.samples {
assert_eq!(s.data.len(), s.width as usize * s.height as usize * usize::from(s.depth / 8));
}
}
});