ImagePanel class implemented, with pseudo-random portraits chosen.

2022-11-15 14:39:09 -07:00
parent 801ebe1b15
commit 4e2f12c05f
10 changed files with 132 additions and 35 deletions
@@ -0,0 +1,106 @@
+package GUI.img;
+
+import javax.imageio.ImageIO;
+import javax.swing.*;
+import java.awt.*;
+import java.awt.image.BufferedImage;
+import java.io.File;
+import java.util.*;
+
+public class ImagePanel extends JPanel {
+
+    private JLabel[][] portraits;
+    private String[] holder;
+    private int lastIndex;
+
+    public ImagePanel(String[] holder) {
+
+        super();
+            this.holder = holder;
+            createPortraitsArray();
+
+            updateImage(0); // Default selection of the 0th element.
+
+    }
+
+    public void updateImage(int holderIndex) {
+
+        removeAll();
+
+        Random ran = new Random();
+            int bound = portraits[holderIndex].length;
+            int newIndex = ran.nextInt(bound);
+
+            while(newIndex == lastIndex) {
+
+                newIndex = ran.nextInt(bound);
+
+            }
+
+        lastIndex = newIndex;
+
+        add(portraits[holderIndex][newIndex]);
+
+        repaint();
+        revalidate();
+
+
+    }
+
+    private void createPortraitsArray() {
+
+        portraits = new JLabel[holder.length][];
+
+        for (int i = 0; i < holder.length; i++) {
+
+            File imagesDir = new File("dndBuilder/src/GUI/img/" + holder[i] + "/");
+
+            File[] dir = imagesDir.listFiles();
+                portraits[i] = new JLabel[dir.length];
+            int index = 0;
+
+            for (File file : dir) {
+
+                portraits[i][index] = image(file);
+                index++;
+
+            }
+
+        }
+
+    }
+
+    private JLabel image(File file) {
+
+        BufferedImage img;
+        Image finalImg;
+        JLabel picture;
+
+        try {
+
+            img = ImageIO.read(file);
+            finalImg = img.getScaledInstance(250, 250, Image.SCALE_SMOOTH);
+
+        } catch (Exception e) {
+
+            System.out.println("Error reading file.");
+            img = null;
+            finalImg = null;
+
+        }
+
+        if(Objects.isNull(finalImg)) {
+
+            picture = new JLabel("ERROR: Image not found.");
+
+        } else {
+
+            picture = new JLabel(new ImageIcon(finalImg));
+
+        }
+
+        return picture;
+
+    }
+
+}