Add XBM decoder

Author: mstoeckl

.github/workflows/rust.yml

@@ -14,7 +14,7 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        features: ['', default, rayon, avif, bmp, dds, exr, ff, gif, hdr, ico, jpeg, png, pnm, qoi, tga, tiff, webp]
+        features: ['', default, rayon, avif, bmp, dds, exr, ff, gif, hdr, ico, jpeg, png, pnm, qoi, tga, tiff, webp, xbm]
     steps:
     - uses: actions/checkout@v4
     - uses: dtolnay/rust-toolchain@stable

Cargo.toml

@@ -83,6 +83,7 @@ qoi = ["dep:qoi"]
 tga = []
 tiff = ["dep:tiff"]
 webp = ["dep:image-webp"]
+xbm = []
 
 # Other features
 rayon = ["dep:rayon", "ravif?/threading"] # Enables multi-threading

README.md

@@ -59,8 +59,10 @@ image format encoders and decoders.
 | TGA      | Yes                                       | Yes                                     |
 | TIFF     | Yes                                       | Yes                                     |
 | WebP     | Yes                                       | Yes (lossless only)                     |
+| XBM      | Yes \*\*                                  | ---                                     |
 
 - \* Requires the `avif-native` feature, uses the libdav1d C library.
+- \*\* `XBM` is disabled by default and requires the `xbm` feature.
 
 ## Image Types
 

fuzz/Cargo.toml

@@ -11,6 +11,7 @@ cargo-fuzz = true
 
 [dependencies.image]
 path = ".."
+features = ["xbm"]
 [dependencies.libfuzzer-sys]
 version = "0.3"
 
@@ -66,6 +67,10 @@ path = "fuzzers/fuzzer_script_hdr.rs"
 name = "fuzzer_script_exr"
 path = "fuzzers/fuzzer_script_exr.rs"
 
+[[bin]]
+name = "fuzzer_script_xbm"
+path = "fuzzers/fuzzer_script_xbm.rs"
+
 [[bin]]
 name = "roundtrip_webp"
 path = "fuzzers/roundtrip_webp.rs"

fuzz/fuzzers/fuzzer_script_xbm.rs

@@ -0,0 +1,7 @@
+#![no_main]
+#[macro_use] extern crate libfuzzer_sys;
+extern crate image;
+
+fuzz_target!(|data: &[u8]| {
+    let _ = image::load_from_memory_with_format(data, image::ImageFormat::Xbm);
+});