Feature gate the main modules

Author: xd009642

.travis.yml

@@ -24,9 +24,9 @@ before_install:
 # fi
 
 script:
-- cargo clean
-- cargo build
-- cargo test
+- cargo install cargo-all-features
+- cargo build-all-features
+- cargo test --all-features
 
 # after_success: |
 # if [[ "$TRAVIS_RUST_VERSION" == nightly ]]; then

Cargo.toml

@@ -10,10 +10,18 @@ keywords = ["image", "vision", "image-processing"]
 categories = ["science", "science::robotics", "multimedia", "multimedia::images", "graphics"]
 edition = "2018"
 
+[features]
+default = ["enhancement", "format", "morphology", "processing", "transform"]
+enhancement = []
+format = []
+morphology = []
+processing = []
+transform =["ndarray-linalg"]
+
 [dependencies]
 ndarray = { version = "0.14", default-features = false }
 ndarray-stats = { version = "0.4", default-features = false }
-ndarray-linalg = { version = "0.13", default-features = false }
+ndarray-linalg = { version = "0.13", default-features = false, optional = true }
 noisy_float = { version = "0.1", default-features = false }
 num-traits = { version = "0.2", default-features = false }
 

src/lib.rs

@@ -28,13 +28,18 @@
 /// The core of `ndarray-vision` contains the `Image` type and colour models
 pub mod core;
 /// Image enhancement intrinsics and algorithms
+#[cfg(feature="enhancement")]
 pub mod enhancement;
 /// Image formats - encoding and decoding images from bytes for saving and
 /// loading
+#[cfg(feature="format")]
 pub mod format;
 /// Operations relating to morphological image processing
+#[cfg(feature="morphology")]
 pub mod morphology;
 /// Image processing intrinsics and common filters/algorithms.
+#[cfg(feature="processing")]
 pub mod processing;
 /// Image transforms and warping
+#[cfg(feature="transform")]
 pub mod transform;