rewritten AbstractDrawer to use ImageStorage

cicaprojekt/AbstractDrawer.java

@@ -1,25 +1,25 @@
 package cicaprojekt;
 
 import java.awt.image.BufferedImage;
-import java.io.File;
 import java.io.IOException;
 
-import javax.imageio.ImageIO;
 
 public abstract class AbstractDrawer implements Drawer {
-    private BufferedImage image;
+    private static ImageStorage storage;
+    private String filename;
+
 
     public AbstractDrawer(String path) throws IOException {
-        image = ImageIO.read(new File(path));
+        storage = new ImageStorage();
+        filename = path;
     }
     
     public void changeImage(String path) throws IOException {
-        image = ImageIO.read(new File(path));
+        filename = path;
     }
 
     @Override
     public BufferedImage getImage() {
-        return image;
+        return storage.getImage(filename);
     }
-    
 }