Files
lightcraft/crates/merge/src/lib.rs
T
Dylan M. Taylor d8ceb3a6af security/meta,merge,raw,tiff,denoise: bound memory sized by attacker-shaped inputs
XMP flattening, sparse-focus EXIF decode (plus the maker-note and TIFF value
budgets), lossy-DNG chunk staging, panorama stitch frames, the reference ONNX
executor's tensors and the denoise product reader all now reject or cap what a
malformed file can make them allocate: each result is checked before the
memory behind it is reserved, every regression carrying a test that fails
without its bound.
2026-10-25 15:42:19 -04:00

64 lines
2.4 KiB
Rust

//! LightCraft Photo Merge: HDR merge and panorama stitching (layer L3, no UI dependencies).
//!
//! - [`frame`]: inputs — scene-linear frames from raw files (camera RGB) or standard images.
//! - [`hdr`]: exposure brackets → one scene-linear radiance image (auto-align, exposure
//! normalisation, saturation-aware weighting, deghosting with an overlay).
//! - [`pano`]: overlapping photos → one panorama (features, matching, RANSAC, rotation bundle
//! adjustment, spherical/cylindrical/perspective projection, exposure compensation, seams,
//! multi-band blending, boundary warp, auto crop, fill edges).
//! - [`output`]: results as linear DNGs (16-bit float for HDR) with the source's colour tags.
//!
//! Every algorithm here is our own implementation from published papers (cited in each module);
//! no code from GPL projects was consulted.
#![forbid(unsafe_code)]
#![deny(clippy::unwrap_used, clippy::expect_used, clippy::panic, clippy::unimplemented, clippy::todo, clippy::unreachable)]
pub mod align;
pub mod features;
pub mod flow;
pub mod frame;
pub mod hdr;
pub mod linalg;
pub mod output;
pub mod pano;
pub mod ransac;
pub mod refine;
pub mod synth;
pub use frame::{Frame, FrameColor, RawColour, load_frame, load_frame_with};
pub use hdr::{Deghost, HdrOptions, HdrResult, merge_hdr};
pub use output::{DngSamples, write_linear_dng};
pub use pano::{PanoOptions, PanoResult, Projection, stitch};
#[derive(Debug, Clone, PartialEq, thiserror::Error)]
pub enum MergeError {
#[error("{0} photo(s) selected; at least {1} are needed")]
TooFew(usize, usize),
#[error("{0} photo(s) selected; a stitch of more than {1} is refused: matching every pair would take far too long")]
TooMany(usize, usize),
#[error("{0}")]
Mismatch(String),
#[error("could not read a photo: {0}")]
Decode(String),
#[error("{0}")]
NoOverlap(String),
#[error("cancelled")]
Cancelled,
#[error("could not write the result: {0}")]
Output(String),
}
pub type Result<T> = std::result::Result<T, MergeError>;
/// Progress callback: `(fraction 0..1, stage)`; return `false` to cancel.
pub type Progress<'a> = dyn Fn(f32, &str) -> bool + Sync + 'a;
/// A progress callback that ignores progress and never cancels.
pub fn no_progress(_: f32, _: &str) -> bool {
true
}
pub(crate) fn check(p: &Progress, f: f32, stage: &str) -> Result<()> {
if p(f.clamp(0.0, 1.0), stage) { Ok(()) } else { Err(MergeError::Cancelled) }
}