Mutator updates, linting

src/descriptors/dct.rs

@@ -29,7 +29,6 @@ impl DCT {
             50..=100 => 200.0 - 2.0*quality as f32,
             _ => 100.0 // Invalid input: set to base quality
         };
-        //for i in 0..64 {
         for (_, cell) in quantization_matrix.iter_mut().enumerate() {
             *cell = ((scalar * *cell as f32 + 50.0) / 100.0).floor() as u8;
             if *cell == 0 {
@@ -69,9 +68,9 @@ impl DCT {
             }
         }
         dct_values
-	}
+    }
 
-	fn idct(&self, dct_values: [f64; 64]) -> [u8; 64] {
+    fn idct(&self, dct_values: [f64; 64]) -> [u8; 64] {
         let mut reconstructed: [u8; 64] = [0; 64];
         //for k in 0..64  {
         for (k, item) in reconstructed.iter_mut().enumerate()  {

src/mutators/mod.rs

@@ -1,5 +1,8 @@
 //! Mutators that can be used to mutate an image.
 //! These mutated images can be used as a "near copy"
+use image::{Rgb, Rgba};
+use imageproc::definitions::Image;
+use imageproc::geometric_transformations::*;
 
 pub trait Mutator {
 	/// Name/description of the mutator
@@ -15,7 +18,7 @@ pub trait Mutator {
 	fn mutate(&self, img: &image::DynamicImage) -> image::DynamicImage;
 }
 
-/// Horizontal flip/mirror
+/// Horizontal mirror
 pub struct Flip;
 impl Mutator for Flip {
 	fn info(&self) -> String {
@@ -29,7 +32,7 @@ impl Mutator for Flip {
 	}
 }
 
-/// Slight hue-shift 
+/// Hue shift 
 pub struct Hue;
 impl Mutator for Hue {
 	fn info(&self) -> String {
@@ -43,7 +46,7 @@ impl Mutator for Hue {
 	}
 }
 
-/// Slight sharpen (unsharp mask)
+/// Unsharp mask
 pub struct Sharp;
 impl Mutator for Sharp {
 	fn info(&self) -> String {
@@ -57,7 +60,6 @@ impl Mutator for Sharp {
 	}
 }
 
-/// Slight blur
 pub struct Blur;
 impl Mutator for Blur {
 	fn info(&self) -> String {
@@ -71,6 +73,34 @@ impl Mutator for Blur {
 	}
 }
 
+pub struct BlurSharp;
+impl Mutator for BlurSharp {
+	fn info(&self) -> String {
+		"Blur and sharpen".to_string()
+	}
+	fn tag(&self) -> String {
+		".blsh.".to_string()
+	}
+	fn mutate(&self, img: &image::DynamicImage) -> image::DynamicImage {
+		img.blur(1.5).unsharpen(1.5, 20)
+	}
+}
+
+pub struct RotateCrop;
+impl Mutator for RotateCrop {
+	fn info(&self) -> String {
+		"Rotate and crop".to_string()
+	}
+	fn tag(&self) -> String {
+		".rcrop.".to_string()
+	}
+	fn mutate(&self, img: &image::DynamicImage) -> image::DynamicImage {
+		let img: Image<Rgb<u8>> = img.to_rgb8();
+		let default = *img.get_pixel(0, 0);
+		image::DynamicImage::ImageRgb8(rotate_about_center(&img, 0.1, Interpolation::Bicubic, default))
+	}
+}
+
 pub fn get_all_mutators() -> Vec<Box<dyn Mutator>> {
 	let mutators: Vec<Box<dyn Mutator>> = //Vec::with_capacity(4);
 	vec![