Made features easier to understand

Author: OrangeHoopla

Cargo.toml

@@ -12,10 +12,16 @@ homepage = "https://github.com/image-rs/imageproc"
 exclude = [".github/*", "examples/*", "tests/*"]
 
 [features]
-default = ["rayon", "image/default", "ab_glyph", "rustdct"]
+default = ["rayon", "image/default", "text", "image_hash"]
 display-window = ["sdl2"]
 rayon = ["dep:rayon", "image/rayon"]
 
+# Option: enable image_hash
+image_hash = ["dep:rustdct"]
+
+# Option: enable drawing::text
+text = ["dep:ab_glyph"]
+
 [dependencies]
 ab_glyph = { version = "0.2.23", default-features = false, features = ["std"], optional = true}
 approx = { version = "0.5", default-features = false }

src/drawing/mod.rs

@@ -32,10 +32,10 @@ pub use self::rect::{
     draw_filled_rect, draw_filled_rect_mut, draw_hollow_rect, draw_hollow_rect_mut,
 };
 
-#[cfg(feature = "ab_glyph")]
+#[cfg(feature = "text")]
 mod text;
 
-#[cfg(feature = "ab_glyph")]
+#[cfg(feature = "text")]
 pub use self::text::{draw_text, draw_text_mut, text_size};
 
 mod fill;

src/lib.rs

@@ -37,7 +37,7 @@ pub mod gradients;
 pub mod haar;
 pub mod hog;
 pub mod hough;
-#[cfg(feature = "rustdct")]
+#[cfg(feature = "image_hash")]
 pub mod image_hash;
 pub mod integral_image;
 pub mod kernel;