create Array; send pixels

de/darkress/pixelfood/Main.java

@@ -1,23 +1,29 @@
 package de.darkress.pixelfood;
 
 import javax.imageio.ImageIO;
+import javax.sound.sampled.Port;
 import java.awt.image.BufferedImage;
 import java.io.*;
 import java.net.*;
+import java.util.ArrayList;
 
 class Main
 {
-    private final int PORT = 1234;
-    private final String HOSTNAME = "localhost";
-    private byte[] message;
-
-    public static void main(String[] args) {
+    private static BufferedImage processImage(String imageFile) {
+        BufferedImage image;
         try {
-            // Read the PNG file
-            File file = new File("uc.png");
-            BufferedImage image = ImageIO.read(file);
+            File file = new File(imageFile);
+            image = ImageIO.read(file);
+            return image;
+        } catch (IOException e) {
+            e.printStackTrace();
+        }
+        return null;
+    }
+
+    private static ArrayList<String> prepareArray(BufferedImage image) {
+        ArrayList<String> pixelArray = new ArrayList<>();
 
-            // Get image dimensions
         int width = image.getWidth();
         int height = image.getHeight();
 
@@ -32,14 +38,42 @@ class Main
                 int red = (pixel >> 16) & 0xFF;
                 int green = (pixel >> 8) & 0xFF;
                 int blue = pixel & 0xFF;
+                String rgbValue = String.format("%06X", (pixel & 0xFFFFFF));
+                String messageParameters = String.format("PX %s %s %s\n", x, y, rgbValue);
+                if(alpha != 0)
+                {
+                    pixelArray.add(messageParameters);
+                }
 
                 // Print RGBA values
-                    /*System.out.println("Pixel at (" + x + ", " + y + "):");
-                    System.out.println("  Alpha: " + alpha);
-                    System.out.println("  Red: " + red);
-                    System.out.println("  Green: " + green);
-                    System.out.println("  Blue: " + blue);*/
-                    System.out.println(Integer.toHexString(pixel));
+                System.out.println("Pixel at (" + x + ", " + y + "):");
+                System.out.println(rgbValue);
+            }
+        }
+        return pixelArray;
+    }
+
+    public static void main(String[] args) {
+        final int PORT = 1234;
+        final String HOSTNAME = "localhost";
+        InetAddress serverAddress = null;
+        try {
+            serverAddress = InetAddress.getByName(HOSTNAME);
+        } catch(UnknownHostException e) {
+            e.printStackTrace();
+        }
+
+        // Read the PNG file
+        BufferedImage image = processImage("girl.png");
+        ArrayList<String> pixelArray = prepareArray(image);
+
+        try {
+            DatagramSocket socket = new DatagramSocket();
+            while(true) {
+                for(int i = 0; i < pixelArray.size(); i++) {
+                    byte[] messageBytes = pixelArray.get(0).getBytes();
+                    DatagramPacket packet = new DatagramPacket(messageBytes, messageBytes.length, serverAddress, PORT);
+                    socket.send(packet);
                 }
             }
         } catch (IOException e) {