make fields private

src/imgdata.rs

@@ -5,9 +5,9 @@ use itertools::multizip;
 /// Stores data that is located in grids that is used for image generation
 #[derive(Clone)]
 pub struct ThinGridData {
-    pub width: usize,
-    pub height: usize,
-    pub data: Vec<f32>,
+    width: usize,
+    height: usize,
+    data: Vec<f32>,
 }
 
 impl ThinGridData {
@@ -42,8 +42,8 @@ impl ThinGridData {
 /// Class for storing data that will be used to create images
 #[derive(Clone)]
 pub struct ImgData {
-    pub grids: Vec<ThinGridData>,
-    pub palette: Palette,
+    grids: Vec<ThinGridData>,
+    palette: Palette,
 }
 
 impl ImgData {