Bump rand to 0.8, prepare for 0.2 release

Bump rand_pcg to 0.3
Update changelog
Add note in readme about executables being found on the release page
Update rand ranges to inclusive ranges in gen_range calls
Update cargo dependencies

CHANGELOG.md

@@ -1,5 +1,16 @@
 # `rscolorq` changelog
 
+## Version 0.2.0 - 2021-03-31
+Version bump for updating the `rand` dependency to `0.8`. No major API changes.
+
+Executables are now available for download based on the latest pushed release
+tag.
+
+[#14][14] - Bump `rand` to 0.8  
+[#13][13] - Executable build workflow  
+[#11][11] - Add chunks_exact[_mut] methods for accessing Matrix2d rows,
+`no_file` flag to binary
+
 ## Version 0.1.2 - 2021-02-20
 Previous behavior relied on wrapping overflow in some places which could panic
 in debug mode. This behavior has been changed to use checked arithmetic
@@ -16,5 +27,8 @@ the crate and install it from crates.io using `cargo`.
 ## Version 0.1.0 - 2020-10-20
 - Initial Commit
 
+[14]: https://github.com/okaneco/rscolorq/pull/14
+[13]: https://github.com/okaneco/rscolorq/pull/13
+[11]: https://github.com/okaneco/rscolorq/pull/11
 [6]: https://github.com/okaneco/rscolorq/pull/6
 [5]: https://github.com/okaneco/rscolorq/pull/5

Cargo.toml

@@ -1,6 +1,6 @@
 [package]
 name = "rscolorq"
-version = "0.1.2"
+version = "0.2.0"
 authors = ["okaneco <[email protected]>"]
 edition = "2018"
 exclude = ["test", "gfx", ".github"]
@@ -37,12 +37,12 @@ features = ["std"]
 optional = true
 
 [dependencies.rand]
-version = "0.7"
+version = "0.8"
 default-features = false
 features = ["std"]
 
 [dependencies.rand_pcg]
-version = "0.2"
+version = "0.3"
 default-features = false
 
 [dependencies.structopt]

README.md

@@ -25,11 +25,13 @@ mix as an average illusory color in the human eye.
 [Pointillism]: https://en.wikipedia.org/wiki/Pointillism#Gallery
 
 To use as a library, add the following to your `Cargo.toml`; add the
-`palette_color` feature to enable Lab color quantization.
+`palette_color` feature to enable Lab color quantization. Executable builds can
+be found at https://github.com/okaneco/rscolorq/releases.
+
 
 ```toml
 [dependencies.rscolorq]
-version = "0.1"
+version = "0.2"
 default-features = false
 ```
 

src/bin/rscolorq/utils.rs

@@ -65,7 +65,7 @@ pub fn print_colors_lab(colors: &[palette::Srgb<u8>]) -> Result<(), Box<dyn std:
 
 /// Saves image buffer to file.
 pub fn save_image(
-    output: &std::path::PathBuf,
+    output: &std::path::Path,
     imgbuf: &[u8],
     width: u32,
     height: u32,
@@ -94,7 +94,7 @@ pub fn save_palette(
     res: &[[u8; 3]],
     height: u32,
     width: Option<u32>,
-    title: &std::path::PathBuf,
+    title: &std::path::Path,
 ) -> Result<(), Box<dyn std::error::Error>> {
     let len = res.len() as u32;
     let w = match width {
@@ -123,15 +123,15 @@ pub fn save_palette(
         *pixel = image::Rgb(color);
     }
 
-    Ok(save_image(title, &imgbuf.to_vec(), w, height)?)
+    save_image(title, &imgbuf.to_vec(), w, height)
 }
 
 /// Save palette image file.
 pub fn save_palette_lab(
     res: &[palette::Srgb<u8>],
     height: u32,
     width: Option<u32>,
-    title: &std::path::PathBuf,
+    title: &std::path::Path,
 ) -> Result<(), Box<dyn std::error::Error>> {
     let len = res.len() as u32;
     let w = match width {
@@ -160,5 +160,5 @@ pub fn save_palette_lab(
         *pixel = image::Rgb([color.red, color.green, color.blue]);
     }
 
-    Ok(save_image(title, &imgbuf.to_vec(), w, height)?)
+    save_image(title, &imgbuf.to_vec(), w, height)
 }

src/color/lab.rs

@@ -72,9 +72,9 @@ impl SpatialQuant for Lab<D65, f64> {
 
     fn random(rng: &mut impl rand::Rng) -> Self {
         Self {
-            l: rng.gen_range(0.0, 100.0),
-            a: rng.gen_range(-128.0, 127.0),
-            b: rng.gen_range(-128.0, 127.0),
+            l: rng.gen_range(0.0..=100.0),
+            a: rng.gen_range(-128.0..=127.0),
+            b: rng.gen_range(-128.0..=127.0),
             white_point: PhantomData,
         }
     }

src/color/rgb.rs

@@ -207,9 +207,9 @@ impl SpatialQuant for Rgb {
 
     fn random(rng: &mut impl rand::Rng) -> Self {
         Self {
-            red: rng.gen_range(0.0, 1.0),
-            green: rng.gen_range(0.0, 1.0),
-            blue: rng.gen_range(0.0, 1.0),
+            red: rng.gen_range(0.0..=1.0),
+            green: rng.gen_range(0.0..=1.0),
+            blue: rng.gen_range(0.0..=1.0),
         }
     }
 

src/quant/utility.rs

@@ -19,7 +19,7 @@ pub fn compute_max_coarse_level(mut width: usize, mut height: usize) -> usize {
 /// Fill a matrix with random f64 from 0 to 1.
 pub fn fill_random(arr: &mut Matrix3d<f64>, rng: &mut impl rand::Rng) {
     arr.iter_mut().for_each(|a| {
-        *a = rng.gen_range(0.0, 1.0);
+        *a = rng.gen_range(0.0..=1.0);
     });
 }