Add basic and complex morphologies

src/main/java/app/INavigator.java

@@ -13,4 +13,5 @@ public interface INavigator {
     void showIdealFiltering();
     void showButterworth();
     void showConvolutionFiltering();
+    void showBasicMorphology();
 }

src/main/java/app/SwingNavigator.java

@@ -2,11 +2,13 @@ package app;
 
 import com.google.inject.Inject;
 import com.google.inject.Provider;
+import ui.abstractions.AbstractView;
 import ui.implementation.views.DoubleMatrix;
 import ui.implementation.views.fitering.global.IdealFilteringView;
 import ui.implementation.views.fitering.global.NonIdealFilteringView;
 import ui.implementation.views.ViewInitializer;
 import ui.implementation.views.fitering.local.LocalFilteringView;
+import ui.implementation.views.morphology.BasicMorphologyView;
 
 /**
  * Concrete implement of the INavigator interface.
@@ -19,46 +21,55 @@ public class SwingNavigator implements INavigator {
     private final Provider<IdealFilteringView> filteringProvider;
     private final Provider<NonIdealFilteringView> nonIdealFilteringProvider;
     private final Provider<LocalFilteringView> convolutionFilteringProvider;
+    private final Provider<BasicMorphologyView> basicMorphologyProvider;
 
     @Inject
     public SwingNavigator(
             Provider<DoubleMatrix> doubleMatrixProvider,
             Provider<IdealFilteringView> filteringProvider,
             Provider<NonIdealFilteringView> nonIdealFilteringProvider,
-            Provider<LocalFilteringView> convolutionFilterProvider
+            Provider<LocalFilteringView> convolutionFilterProvider,
+            Provider<BasicMorphologyView> basicMorphologyProvider
     ) {
         this.doubleMatrixProvider = doubleMatrixProvider;
         this.filteringProvider = filteringProvider;
         this.nonIdealFilteringProvider = nonIdealFilteringProvider;
         this.convolutionFilteringProvider = convolutionFilterProvider;
+        this.basicMorphologyProvider = basicMorphologyProvider;
     }
 
     @Override
     public void showFourier() {
         DoubleMatrix view = doubleMatrixProvider.get();
-        ViewInitializer.Initialize(view);
-        view.setVisible(true);
+        runView(view);
     }
 
     @Override
     public void showIdealFiltering() {
         IdealFilteringView view = filteringProvider.get();
-        ViewInitializer.Initialize(view);
-        view.setVisible(true);
+        runView(view);
     }
 
     @Override
     public void showButterworth() {
         NonIdealFilteringView view = nonIdealFilteringProvider.get();
-        ViewInitializer.Initialize(view);
-        view.setVisible(true);
+        runView(view);
     }
 
     @Override
     public void showConvolutionFiltering() {
         LocalFilteringView view = convolutionFilteringProvider.get();
+        runView(view);
+    }
+
+    @Override
+    public void showBasicMorphology() {
+        BasicMorphologyView view = basicMorphologyProvider.get();
+        runView(view);
+    }
+
+    private void runView(AbstractView view) {
         ViewInitializer.Initialize(view);
         view.setVisible(true);
     }
-
 }

src/main/java/app/state/MorphologyState.java

@@ -0,0 +1,65 @@
+package app.state;
+
+import com.google.inject.Inject;
+import domain.image.Image;
+import presenters.morphology.MorphologyListener;
+
+import java.util.ArrayList;
+import java.util.List;
+
+public class MorphologyState extends State {
+
+    private Image erosion;
+    private Image dilation;
+    private Image opening;
+    private Image closing;
+
+    private final List<MorphologyListener> listeners = new ArrayList<>();
+
+    @Inject
+    public MorphologyState() {}
+
+    public void subscribe(MorphologyListener listener) {
+        listeners.add(listener);
+    }
+
+    public void unsubscribe(MorphologyListener listener) {
+        listeners.remove(listener);
+    }
+
+    public void setErosion(Image image) {
+        erosion = image;
+        listeners.forEach(listener -> listener.onErosionChanged(image));
+    }
+
+    public void setDilation(Image image) {
+        dilation = image;
+        listeners.forEach(listener -> listener.onDilationChanged(image));
+    }
+
+    public void setOpening(Image image) {
+        opening = image;
+        listeners.forEach(listener -> listener.onOpeningChanged(image));
+    }
+
+    public void setClosing(Image image) {
+        closing = image;
+        listeners.forEach(listener -> listener.onClosingChanged(image));
+    }
+
+    public Image getErosion() {
+        return erosion;
+    }
+
+    public Image getDilation() {
+        return dilation;
+    }
+
+    public Image getOpening() {
+        return opening;
+    }
+
+    public Image getClosing() {
+        return closing;
+    }
+}

src/main/java/domain/image/processing/filtering/GlobalLinearFiltering.java

@@ -1,15 +1,10 @@
 package domain.image.processing.filtering;
 
 import domain.image.GrayScaleMatrix;
-import domain.image.Image;
-import domain.image.Pixel;
 import org.opencv.core.Core;
 import org.opencv.core.CvType;
 import org.opencv.core.Mat;
 
-import java.util.ArrayList;
-import java.util.List;
-
 public class GlobalLinearFiltering {
 
     public static GrayScaleMatrix lowPassFiltering(GrayScaleMatrix matrix, double cutoff) {

src/main/java/domain/image/processing/morphology/BasicMorphology.java

@@ -0,0 +1,101 @@
+package domain.image.processing.morphology;
+
+import domain.image.GrayScaleMatrix;
+import domain.image.Image;
+import org.opencv.core.CvType;
+import org.opencv.core.Mat;
+import org.opencv.core.Size;
+import org.opencv.imgproc.Imgproc;
+
+public class BasicMorphology {
+
+    public static GrayScaleMatrix erosion(Image image, int tailleMasque) {
+        Mat input = toMat(image);
+        Mat kernel = createKernel(tailleMasque);
+        Mat result = new Mat();
+
+        Imgproc.erode(input, result, kernel);
+
+        return toGrayScaleMatrix(result);
+    }
+
+    public static GrayScaleMatrix dilation(Image image, int tailleMasque) {
+        Mat input = toMat(image);
+        Mat kernel = createKernel(tailleMasque);
+        Mat result = new Mat();
+
+        Imgproc.dilate(input, result, kernel);
+
+        return toGrayScaleMatrix(result);
+    }
+
+    public static GrayScaleMatrix opening(Image image, int tailleMasque) {
+        Mat input = toMat(image);
+        Mat kernel = createKernel(tailleMasque);
+        Mat result = new Mat();
+
+        Imgproc.morphologyEx(
+                input,
+                result,
+                Imgproc.MORPH_OPEN,
+                kernel
+        );
+
+        return toGrayScaleMatrix(result);
+    }
+
+    public static GrayScaleMatrix closing(Image image, int tailleMasque) {
+        Mat input = toMat(image);
+        Mat kernel = createKernel(tailleMasque);
+        Mat result = new Mat();
+
+        Imgproc.morphologyEx(
+                input,
+                result,
+                Imgproc.MORPH_CLOSE,
+                kernel
+        );
+
+        return toGrayScaleMatrix(result);
+    }
+
+    private static Mat toMat(Image image) {
+        GrayScaleMatrix gray = image.toGrayScale();
+
+        int width = gray.getWidth();
+        int height = gray.getHeight();
+
+        Mat mat = new Mat(height, width, CvType.CV_64F);
+
+        double[][] data = gray.getRawData();
+
+        for (int y = 0; y < height; y++) {
+            mat.put(y, 0, data[y]);
+        }
+
+        return mat;
+    }
+
+    private static Mat createKernel(int tailleMasque) {
+        return Imgproc.getStructuringElement(
+                Imgproc.MORPH_RECT,
+                new Size(tailleMasque, tailleMasque)
+        );
+    }
+
+    private static GrayScaleMatrix toGrayScaleMatrix(Mat mat) {
+        int width = mat.cols();
+        int height = mat.rows();
+
+        double[][] output = new double[height][width];
+
+        for (int y = 0; y < height; y++) {
+            for (int x = 0; x < width; x++) {
+                output[y][x] = mat.get(y, x)[0];
+            }
+        }
+
+        return new GrayScaleMatrix(output);
+    }
+
+}

src/main/java/domain/image/processing/morphology/ComplexMorphology.java

@@ -0,0 +1,96 @@
+package domain.image.processing.morphology;
+
+import domain.image.GrayScaleMatrix;
+import domain.image.Image;
+import org.opencv.core.Core;
+import org.opencv.core.CvType;
+import org.opencv.core.Mat;
+import org.opencv.core.Size;
+import org.opencv.imgproc.Imgproc;
+
+public class ComplexMorphology {
+
+    public static GrayScaleMatrix geodesicDilation(Image image, Image mask, int size) {
+        Mat input = toMat(image);
+        Mat maskMat = toMat(mask);
+        Mat kernel = createKernel(size);
+
+        Mat dilated = new Mat();
+        Imgproc.dilate(input, dilated, kernel);
+
+        Mat result = new Mat();
+        Core.min(dilated, maskMat, result);
+
+        return toGrayScaleMatrix(result);
+    }
+
+    public static GrayScaleMatrix geodesicReconstruction(Image marker, Image mask, int size) {
+        Mat markerMat = toMat(marker);
+        Mat maskMat = toMat(mask);
+        Mat kernel = createKernel(size);
+
+        Mat current = markerMat.clone();
+
+        while (true) {
+            Mat dilated = new Mat();
+            Imgproc.dilate(current, dilated, kernel);
+
+            Mat next = new Mat();
+            Core.min(dilated, maskMat, next);
+
+            if (Core.norm(next, current, Core.NORM_INF) == 0) {
+                return toGrayScaleMatrix(next);
+            }
+
+            current = next;
+        }
+    }
+
+    public static GrayScaleMatrix meanFilter(Image image, int size) {
+        Mat input = toMat(image);
+        Mat result = new Mat();
+
+        Imgproc.blur(input, result, new Size(size, size));
+
+        return toGrayScaleMatrix(result);
+    }
+
+    private static Mat toMat(Image image) {
+        GrayScaleMatrix gray = image.toGrayScale();
+
+        int width = gray.getWidth();
+        int height = gray.getHeight();
+
+        Mat mat = new Mat(height, width, CvType.CV_64F);
+
+        double[][] data = gray.getRawData();
+
+        for (int y = 0; y < height; y++) {
+            mat.put(y, 0, data[y]);
+        }
+
+        return mat;
+    }
+
+    private static Mat createKernel(int size) {
+        return Imgproc.getStructuringElement(
+                Imgproc.MORPH_RECT,
+                new Size(size, size)
+        );
+    }
+
+    private static GrayScaleMatrix toGrayScaleMatrix(Mat mat) {
+        int width = mat.cols();
+        int height = mat.rows();
+
+        double[][] output = new double[height][width];
+
+        for (int y = 0; y < height; y++) {
+            for (int x = 0; x < width; x++) {
+                output[y][x] = mat.get(y, x)[0];
+            }
+        }
+
+        return new GrayScaleMatrix(output);
+    }
+}

src/main/java/presenters/NavPresenter.java

@@ -42,28 +42,18 @@ public class NavPresenter {
         appState.setImage(image);
     }
 
-    public void goToFourier() {
-        navigator.showFourier();
-    }
+    public void goToFourier() { navigator.showFourier(); }
 
-    public void goToFiltering() {
-        navigator.showIdealFiltering();
-    }
+    public void goToFiltering() { navigator.showIdealFiltering(); }
 
-    public void goToConvolution() {
-        navigator.showConvolutionFiltering();
-    }
+    public void goToConvolution() { navigator.showConvolutionFiltering(); }
 
-    public void gotToButterworth() {
-        navigator.showButterworth();
-    }
+    public void gotToButterworth() { navigator.showButterworth(); }
 
-    public GrayScaleMatrix getImageGrayMatrix() {
-        return appState.getImage().toGrayScale();
-    }
+    public void goToBasicMorphology(){ navigator.showBasicMorphology(); }
 
-    public void setMode(Mode mode) {
-        modeService.setMode(mode);
-    }
+    public GrayScaleMatrix getImageGrayMatrix() { return appState.getImage().toGrayScale(); }
+
+    public void setMode(Mode mode) { modeService.setMode(mode); }
 
 }

src/main/java/presenters/morphology/MorphologyListener.java

@@ -0,0 +1,13 @@
+package presenters.morphology;
+
+import domain.image.Image;
+
+public interface MorphologyListener {
+    void onErosionChanged(Image image);
+
+    void onDilationChanged(Image image);
+
+    void onOpeningChanged(Image image);
+
+    void onClosingChanged(Image image);
+}

src/main/java/presenters/morphology/MorphologyPresenter.java

@@ -0,0 +1,102 @@
+package presenters.morphology;
+
+import app.state.AppState;
+import app.state.MorphologyState;
+import com.google.inject.Inject;
+import domain.image.Image;
+import services.MorphologyService;
+import ui.abstractions.IBasicMorphologyView;
+
+public class MorphologyPresenter implements MorphologyListener {
+
+    private final AppState appState;
+    private final MorphologyState morphologyState;
+    private final MorphologyService morphologyService;
+    private IBasicMorphologyView view;
+
+    @Inject
+    public MorphologyPresenter(
+            AppState appState,
+            MorphologyState morphologyState,
+            MorphologyService morphologyService
+    ) {
+        this.appState = appState;
+        this.morphologyState = morphologyState;
+        this.morphologyService = morphologyService;
+    }
+
+    public void setView(IBasicMorphologyView view) {
+        this.view = view;
+
+        if (view != null) {
+            morphologyState.subscribe(this);
+        } else {
+            morphologyState.unsubscribe(this);
+        }
+    }
+
+    public void computeErosion(Integer maskSize) {
+        Image image = appState.getImage();
+
+        Image result = morphologyService.erosion(image, maskSize);
+
+        morphologyState.setErosion(result);
+    }
+
+    public void computeDilation(Integer maskSize) {
+        Image image = appState.getImage();
+
+        Image result = morphologyService.dilation(image, maskSize);
+
+        morphologyState.setDilation(result);
+    }
+
+    public void computeOpening(Integer maskSize) {
+        Image image = appState.getImage();
+
+        Image result = morphologyService.opening(image, maskSize);
+
+        morphologyState.setOpening(result);
+    }
+
+    public void computeClosing(Integer maskSize) {
+        Image image = appState.getImage();
+
+        Image result = morphologyService.closing(image, maskSize);
+
+        morphologyState.setClosing(result);
+    }
+
+    public void dispose() {
+        morphologyState.unsubscribe(this);
+        view = null;
+    }
+
+    @Override
+    public void onErosionChanged(Image image) {
+        if (view != null) {
+            view.updateErosion(image);
+        }
+    }
+
+    @Override
+    public void onDilationChanged(Image image) {
+        if (view != null) {
+            view.updateDilation(image);
+        }
+    }
+
+    @Override
+    public void onOpeningChanged(Image image) {
+        if (view != null) {
+            view.updateOpening(image);
+        }
+    }
+
+    @Override
+    public void onClosingChanged(Image image) {
+        if (view != null) {
+            view.updateClosing(image);
+        }
+    }
+}

src/main/java/services/MorphologyService.java

@@ -0,0 +1,43 @@
+package services;
+
+import domain.image.Image;
+import domain.image.processing.morphology.BasicMorphology;
+import domain.image.processing.morphology.ComplexMorphology;
+
+public class MorphologyService {
+
+    public Image erosion(Image image, int size) {
+        return BasicMorphology.erosion(image, size).toImage();
+    }
+
+    public Image dilation(Image image, int size) {
+        return BasicMorphology.dilation(image, size).toImage();
+    }
+
+    public Image opening(Image image, int size) {
+        return BasicMorphology.opening(image, size).toImage();
+    }
+
+    public Image closing(Image image, int size) {
+        return BasicMorphology.closing(image, size).toImage();
+    }
+
+    public Image geodesicDilation(Image image, Image mask, int size) {
+        return ComplexMorphology
+                .geodesicDilation(image, mask, size)
+                .toImage();
+    }
+
+    public Image geodesicReconstruction(Image marker, Image mask, int size) {
+        return ComplexMorphology
+                .geodesicReconstruction(marker, mask, size)
+                .toImage();
+    }
+
+    public Image meanFilter(Image image, int size) {
+        return ComplexMorphology
+                .meanFilter(image, size)
+                .toImage();
+    }
+
+}

src/main/java/ui/abstractions/IBasicMorphologyView.java

@@ -0,0 +1,10 @@
+package ui.abstractions;
+
+import domain.image.Image;
+
+public interface IBasicMorphologyView {
+    void updateErosion(Image image);
+    void updateDilation(Image image);
+    void updateOpening(Image image);
+    void updateClosing(Image image);
+}

src/main/java/ui/implementation/components/nav/NavBar.java

@@ -34,6 +34,7 @@ public class NavBar extends JMenuBar implements INavBar {
     private JMenu fourierMenu;
     private JMenu linearMenu;
     private JMenu histogramMenu;
+    private JMenu morphologyMenu;
 
     private NavPresenter presenter;
 
@@ -91,6 +92,11 @@ public class NavBar extends JMenuBar implements INavBar {
                 )
         );
 
+        morphologyMenu = new Menu("Morphologie","/cp_51_p1.jpg",
+                new MenuItem("Elementaire", this::displayBasicMorphology),
+                new MenuItem("Complexe", this::displayComplexeMorphology)
+        );
+
         histogramMenu = new Menu("Histogramme","/report_48_hot.jpg",
                 new MenuItem("Afficher", "/report_32_hot.jpg",this::displayHistogram)
         );
@@ -99,15 +105,16 @@ public class NavBar extends JMenuBar implements INavBar {
         this.add(drawingMenu);
         this.add(fourierMenu);
         this.add(linearMenu);
+        this.add(morphologyMenu);
         this.add(histogramMenu);
 
         drawingMenu.setEnabled(false);
         fourierMenu.setEnabled(false);
         linearMenu.setEnabled(false);
+        morphologyMenu.setEnabled(false);
         histogramMenu.setEnabled(false);
     }
 
-
     //####################################################
 
     private File chooseFile(){
@@ -173,6 +180,7 @@ public class NavBar extends JMenuBar implements INavBar {
         drawingMenu.setEnabled(true);
         fourierMenu.setEnabled(true);
         linearMenu.setEnabled(true);
+        morphologyMenu.setEnabled(true);
         histogramMenu.setEnabled(true);
     }
 
@@ -181,6 +189,7 @@ public class NavBar extends JMenuBar implements INavBar {
         drawingMenu.setEnabled(true);
         fourierMenu.setEnabled(false);
         linearMenu.setEnabled(false);
+        morphologyMenu.setEnabled(false);
         histogramMenu.setEnabled(false);
     }
 
@@ -243,4 +252,8 @@ public class NavBar extends JMenuBar implements INavBar {
         );
     }
 
+    private void displayBasicMorphology(ActionEvent actionEvent) { presenter.goToBasicMorphology(); }
+
+    private void displayComplexeMorphology(ActionEvent actionEvent) {
+    }
 }

src/main/java/ui/implementation/views/morphology/BasicMorphologyView.java

@@ -0,0 +1,228 @@
+package ui.implementation.views.morphology;
+
+import domain.image.Image;
+import jakarta.inject.Inject;
+import presenters.morphology.MorphologyPresenter;
+import ui.abstractions.AbstractView;
+import ui.abstractions.IBasicMorphologyView;
+import ui.implementation.components.controls.SaveButton;
+import ui.implementation.components.image.TabbedImagePanel;
+
+import javax.swing.*;
+import javax.swing.text.AbstractDocument;
+import javax.swing.text.AttributeSet;
+import javax.swing.text.BadLocationException;
+import javax.swing.text.DocumentFilter;
+import java.awt.*;
+
+public class BasicMorphologyView extends AbstractView implements IBasicMorphologyView {
+
+    private static final String EROSION_TAB_TITLE = "Erosion";
+    private static final String DILATION_TAB_TITLE = "Dilatation";
+    private static final String OPENING_TAB_TITLE = "Ouverture";
+    private static final String CLOSING_TAB_TITLE = "Fermeture";
+
+    private final MorphologyPresenter presenter;
+
+    private TabbedImagePanel modeTab;
+    private JTextField maskSizeField;
+
+    @Inject
+    public BasicMorphologyView(MorphologyPresenter presenter) {
+        this.presenter = presenter;
+    }
+
+    @Override
+    public void initComponents() {
+        modeTab = new TabbedImagePanel();
+
+        modeTab.addPreviewTab(EROSION_TAB_TITLE);
+        modeTab.addPreviewTab(DILATION_TAB_TITLE);
+        modeTab.addPreviewTab(OPENING_TAB_TITLE);
+        modeTab.addPreviewTab(CLOSING_TAB_TITLE);
+
+        maskSizeField = createPositiveIntegerField();
+
+        JButton applyButton = new JButton("Appliquer");
+        applyButton.addActionListener(e -> applyMorphology());
+
+        JButton saveButton = new SaveButton();
+
+        JPanel controlPanel = createControlPanel(
+                maskSizeField,
+                applyButton
+        );
+
+        JPanel rightPanel = new JPanel();
+
+        GroupLayout rightLayout = new GroupLayout(rightPanel);
+        rightPanel.setLayout(rightLayout);
+        rightLayout.setAutoCreateGaps(true);
+        rightLayout.setAutoCreateContainerGaps(true);
+
+        rightLayout.setHorizontalGroup(
+                rightLayout.createParallelGroup(GroupLayout.Alignment.CENTER)
+                        .addComponent(controlPanel)
+                        .addComponent(saveButton)
+        );
+
+        rightLayout.setVerticalGroup(
+                rightLayout.createSequentialGroup()
+                        .addComponent(controlPanel)
+                        .addComponent(saveButton)
+        );
+
+        JPanel mainPanel = new JPanel();
+
+        GroupLayout mainLayout = new GroupLayout(mainPanel);
+        mainPanel.setLayout(mainLayout);
+        mainLayout.setAutoCreateGaps(true);
+        mainLayout.setAutoCreateContainerGaps(true);
+
+        mainLayout.setHorizontalGroup(
+                mainLayout.createSequentialGroup()
+                        .addComponent(modeTab)
+                        .addComponent(rightPanel)
+        );
+
+        mainLayout.setVerticalGroup(
+                mainLayout.createParallelGroup(GroupLayout.Alignment.CENTER)
+                        .addComponent(modeTab)
+                        .addComponent(rightPanel)
+        );
+
+        setContentPane(mainPanel);
+
+        setTitle("Traitement morphologique élémentaire");
+        setDefaultCloseOperation(WindowConstants.DISPOSE_ON_CLOSE);
+        pack();
+    }
+
+    @Override
+    public void initValues() {
+        this.modeTab.addChangeListener(e -> applyMorphology());
+        presenter.setView(this);
+        applyMorphology();
+    }
+
+    private JPanel createControlPanel(JTextField sizeField, JButton applyButton) {
+        JPanel panel = new JPanel();
+
+        GroupLayout layout = new GroupLayout(panel);
+        panel.setLayout(layout);
+        layout.setAutoCreateGaps(true);
+        layout.setAutoCreateContainerGaps(true);
+
+        JLabel label = new JLabel("Taille du masque :");
+
+        layout.setHorizontalGroup(
+                layout.createParallelGroup(GroupLayout.Alignment.CENTER)
+                        .addComponent(label)
+                        .addComponent(
+                                sizeField,
+                                GroupLayout.PREFERRED_SIZE,
+                                60,
+                                GroupLayout.PREFERRED_SIZE
+                        )
+                        .addComponent(applyButton)
+        );
+
+        layout.setVerticalGroup(
+                layout.createSequentialGroup()
+                        .addComponent(label)
+                        .addComponent(
+                                sizeField,
+                                GroupLayout.PREFERRED_SIZE,
+                                GroupLayout.DEFAULT_SIZE,
+                                GroupLayout.PREFERRED_SIZE
+                        )
+                        .addComponent(applyButton)
+        );
+
+        return panel;
+    }
+
+    private JTextField createPositiveIntegerField() {
+        JTextField field = new JTextField("1", 5);
+        ((AbstractDocument) field.getDocument()).setDocumentFilter(new PositiveIntegerFilter());
+        return field;
+    }
+
+    private void applyMorphology() {
+        Integer size = getMaskSize();
+
+        if (size == null || size % 2 == 0) {
+            return;
+        }
+
+        switch (modeTab.getSelectedIndex()) {
+            case 0 -> presenter.computeErosion(size);
+            case 1 -> presenter.computeDilation(size);
+            case 2 -> presenter.computeOpening(size);
+            case 3 -> presenter.computeClosing(size);
+        }
+    }
+
+    private Integer getMaskSize() {
+        try {
+            int size = Integer.parseInt(maskSizeField.getText());
+
+            if (size <= 0) {
+                return null;
+            }
+
+            return size;
+        } catch (NumberFormatException e) {
+            return null;
+        }
+    }
+
+    public void updateErosion(Image image) {
+        modeTab.loadImage(EROSION_TAB_TITLE, image);
+    }
+
+    public void updateDilation(Image image) {
+        modeTab.loadImage(DILATION_TAB_TITLE, image);
+    }
+
+    public void updateOpening(Image image) {
+        modeTab.loadImage(OPENING_TAB_TITLE, image);
+    }
+
+    public void updateClosing(Image image) {
+        modeTab.loadImage(CLOSING_TAB_TITLE, image);
+    }
+
+    @Override
+    public void disposeCore() {
+        presenter.setView(null);
+        presenter.dispose();
+    }
+
+    private static class PositiveIntegerFilter extends DocumentFilter {
+
+        @Override
+        public void insertString(FilterBypass fb, int offset, String string, AttributeSet attr
+        ) throws BadLocationException {
+            if (isValid(fb.getDocument().getText(0, fb.getDocument().getLength()), offset, 0, string)) {
+                super.insertString(fb, offset, string, attr);
+            }
+        }
+
+        @Override
+        public void replace(FilterBypass fb, int offset, int length, String text, AttributeSet attrs) throws BadLocationException {
+            if (isValid(fb.getDocument().getText(0, fb.getDocument().getLength()), offset, length, text)) {
+                super.replace(fb, offset, length, text, attrs);
+            }
+        }
+
+        private boolean isValid(String current, int offset, int length, String replacement) {
+            String result = current.substring(0, offset) + replacement + current.substring(offset + length);
+            if (result.isEmpty()) {
+                return true;
+            }
+
+            return result.matches("[1-9][0-9]*");
+        }
+    }
+}