Update architecture

src/main/java/services/FilteringService.java

@@ -22,4 +22,11 @@ public class FilteringService {
         return Math.sqrt(Math.pow(width / 2.0, 2) + Math.pow(height / 2.0, 2));
     }
 
+    public Image butterworthLowPassFiltering(GrayScaleMatrix matrix, float v) {
+        return null;
+    }
+
+    public Image butterworthHighPassFiltering(GrayScaleMatrix matrix, float v) {
+        return null;
+    }
 }

src/main/java/services/ImageService.java

@@ -1,9 +1,7 @@
 package services;
 
-import app.state.AppState;
-import com.google.inject.Inject;
-import domain.image.Image;
 import domain.image.GrayScaleMatrix;
+import domain.image.Image;
 import domain.image.processing.complex.ComplexMatrix;
 import domain.image.processing.fourier.Fourier;
 import infrastructure.image.io.ImageLoader;
@@ -17,42 +15,25 @@ import java.io.IOException;
  */
 public class ImageService {
 
-    private final AppState appState;
-
-    @Inject
-    public ImageService(AppState appState) {
-        this.appState = appState;
+    public Image createImage(int red, int green, int blue, int height, int width) {
+        return new Image(red, green, blue, height, width);
     }
 
-    public void createImage(int red, int green, int blue, int height, int width) {
-        Image image = new Image(red, green, blue, height, width);
-        appState.setImage(image);
-    }
-
-    public void loadImage(File f) throws IOException {
-        Image image = ImageLoader.loadImage(f);
-        appState.setImage(image);
+    public Image loadImage(File file) throws IOException {
+        return ImageLoader.loadImage(file);
     }
 
     public void saveImage(Image image) throws IOException {
         ImageSaver.saveImage(image);
     }
 
-    public ComplexMatrix computeFourier(){
-        GrayScaleMatrix matrix = appState.getImage().toGrayScale();
+    public ComplexMatrix computeFourier(Image image) {
+        GrayScaleMatrix matrix = image.toGrayScale();
         ComplexMatrix fourier = Fourier.Fourier2D(matrix.getRawData());
         return Fourier.decroise(fourier);
     }
 
-    public Image getImage(){
-        return appState.getImage();
+    public GrayScaleMatrix getGrayScale(Image image) {
+        return image.toGrayScale();
     }
-
-    public void setImage(Image img){
-        appState.setImage(img);
-    }
-
-    public GrayScaleMatrix getGrayScale(){
-        return appState.getImage().toGrayScale();
-    }
-}
+}