Cargo.toml

@@ -6,7 +6,10 @@ edition = "2021"
 # See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
 
 [dependencies]
-eframe = { version = "0.22.0", default-features = false, features = ["glow", "default_fonts"] }
+eframe = { version = "0.22.0", default-features = false, features = [
+	"glow",
+	"default_fonts",
+] }
 image = { version = "0.24.6", default-features = false, features = ["png"] }
 native-dialog = "0.6.4"
 rand = "0.8.5"

src/generate.rs

@@ -13,8 +13,6 @@ pub struct RenderOptions {
 	pub cx: f64,
 	pub cy: f64,
 	pub fill_style: FillStyle,
-	#[serde(default)]
-	pub invert: bool,
 }
 
 #[derive(Clone, PartialEq, Serialize, Deserialize)]
@@ -33,7 +31,6 @@ impl Default for RenderOptions {
 			cx: 0.4,
 			cy: -0.2,
 			fill_style: FillStyle::Bright,
-			invert: false,
 		}
 	}
 }
@@ -61,18 +58,13 @@ pub fn render_c(q: &RenderOptions, mut image: RgbImage) -> RgbImage {
 	image
 }
 
-pub fn color_iteration(iter: u16, color: (u8, u8, u8), invert: bool) -> Rgb<u8> {
+pub fn color_iteration(iter: u16, color: (u8, u8, u8)) -> Rgb<u8> {
 	let i = iter.min(255) as u8;
-	let (r, g, b) = (
+	Rgb([
 		i.saturating_mul(color.0),
 		i.saturating_mul(color.1),
 		i.saturating_mul(color.2),
-	);
-	if invert {
-		Rgb([255 - r, 255 - g, 255 - b])
-	} else {
-		Rgb([r, g, b])
-	}
+	])
 }
 
 pub fn render_julia(q: &RenderOptions, color: (u8, u8, u8)) -> RgbImage {
@@ -83,8 +75,8 @@ pub fn render_julia(q: &RenderOptions, color: (u8, u8, u8)) -> RgbImage {
 	let ppu = width / q.unit_width;
 
 	let fill = match q.fill_style {
-		FillStyle::Black => Rgb([q.invert as u8 * 255; 3]),
-		FillStyle::Bright => color_iteration(q.max_iter, color, q.invert),
+		FillStyle::Black => Rgb([0; 3]),
+		FillStyle::Bright => color_iteration(q.max_iter, color),
 	};
 
 	(0..q.height)
@@ -99,7 +91,7 @@ pub fn render_julia(q: &RenderOptions, color: (u8, u8, u8)) -> RgbImage {
 				if i == q.max_iter {
 					row.push(fill);
 				} else {
-					row.push(color_iteration(i, color, q.invert));
+					row.push(color_iteration(i, color));
 				}
 			}
 			row

src/main.rs

@@ -250,7 +250,6 @@ impl eframe::App for JuliaGUI {
 						.radio_value(&mut self.settings.fill_style, FillStyle::Bright, "Bright")
 						.changed();
 				});
-				let set_invert = ui.checkbox(&mut self.settings.invert, "invert");
 
 				ui.horizontal(|ui| {
 					ui.label("Colour (RGB)");
@@ -390,7 +389,6 @@ impl eframe::App for JuliaGUI {
 					|| set_red.changed() || set_green.changed()
 					|| set_blue.changed()
 					|| set_point_vis.changed()
-					|| set_invert.changed()
 				{
 					self.settings_changed = true;
 				}