Fixed applet resize and bouncing

runelite-client/src/main/java/net/runelite/client/RSStub.java

@@ -28,7 +28,6 @@ package net.runelite.client;
 import java.applet.Applet;
 import java.applet.AppletContext;
 import java.applet.AppletStub;
-import java.awt.Dimension;
 import java.net.MalformedURLException;
 import java.net.URL;
 
@@ -83,10 +82,7 @@ public class RSStub implements AppletStub
 	@Override
 	public void appletResize(int width, int height)
 	{
-		Dimension d = new Dimension(width, height);
 
-		app.setSize(d);
-		app.setPreferredSize(d);
 	}
 	
 }

runelite-client/src/main/java/net/runelite/client/RuneLite.java

@@ -80,6 +80,10 @@ public class RuneLite
 
 	public static void main(String[] args) throws Exception
 	{
+		// Do not fill in background on repaint. Reduces flickering when
+		// the applet is resized.
+		System.setProperty("sun.awt.noerasebackground", "true");
+
 		OptionParser parser = new OptionParser();
 		parser.accepts("developer-mode");
 		options = parser.parse(args);

runelite-client/src/main/java/net/runelite/client/ui/ClientPanel.java

@@ -27,8 +27,7 @@ package net.runelite.client.ui;
 import java.applet.Applet;
 import java.awt.Color;
 import java.awt.Dimension;
-import java.awt.event.ComponentEvent;
+import java.awt.BorderLayout;
-import java.awt.event.ComponentListener;
 import javax.swing.JPanel;
 import net.runelite.api.Client;
 import net.runelite.client.ClientLoader;
@@ -36,7 +35,7 @@ import net.runelite.client.RuneLite;
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
 
-final class ClientPanel extends JPanel implements ComponentListener
+final class ClientPanel extends JPanel
 {
 	private static final Logger logger = LoggerFactory.getLogger(ClientPanel.class);
 
@@ -49,16 +48,16 @@ final class ClientPanel extends JPanel implements ComponentListener
 		setSize(new Dimension(PANEL_WIDTH, PANEL_HEIGHT));
 		setMinimumSize(new Dimension(PANEL_WIDTH, PANEL_HEIGHT));
 		setPreferredSize(new Dimension(PANEL_WIDTH, PANEL_HEIGHT));
+		setLayout(new BorderLayout());
 		setBackground(Color.black);
-		this.addComponentListener(this);
 
 		ClientLoader loader = new ClientLoader();
 
 		rs = loader.load();
-		rs.setSize(this.getSize());
+		rs.setLayout(null);
 		rs.init();
 		rs.start();
-		this.add(rs);
+		add(rs, BorderLayout.CENTER);
 
 		Client client = null;
 		try
@@ -74,30 +73,4 @@ final class ClientPanel extends JPanel implements ComponentListener
 		RuneLite.setClient(client);
 	}
 
-	@Override
-	public void componentResized(ComponentEvent e)
-	{
-		if (rs != null)
-		{
-			rs.setLocation(0, 0);
-			rs.setSize(this.getSize());
-			rs.setPreferredSize(this.getPreferredSize());
-		}
-		this.setPreferredSize(this.getSize());
-	}
-
-	@Override
-	public void componentMoved(ComponentEvent e)
-	{
-	}
-
-	@Override
-	public void componentShown(ComponentEvent e)
-	{
-	}
-
-	@Override
-	public void componentHidden(ComponentEvent e)
-	{
-	}
 }

runelite-client/src/main/java/net/runelite/inject/callbacks/RSCanvasCallback.java

@@ -26,6 +26,8 @@ package net.runelite.inject.callbacks;
 
 import java.awt.Canvas;
 import java.awt.Graphics;
+import java.awt.Graphics2D;
+import java.awt.Image;
 import java.awt.image.BufferedImage;
 import net.runelite.client.RuneLite;
 import net.runelite.client.ui.overlay.OverlayRenderer;
@@ -45,8 +47,8 @@ public class RSCanvasCallback
 	{
 		if (canvas.getHeight() != clientBuffer.getHeight() || canvas.getWidth() != clientBuffer.getWidth())
 		{
-			clientBuffer = new BufferedImage(canvas.getWidth(), canvas.getHeight(), BufferedImage.TYPE_INT_RGB);
+			clientBuffer = resize(clientBuffer, canvas.getWidth(), canvas.getHeight());
-			gameBuffer = new BufferedImage(canvas.getWidth(), canvas.getHeight(), BufferedImage.TYPE_INT_RGB);
+			gameBuffer = resize(gameBuffer, canvas.getWidth(), canvas.getHeight());
 		}
 
 		Graphics clientGraphics = clientBuffer.getGraphics();
@@ -74,4 +76,16 @@ public class RSCanvasCallback
 
 		return gameBuffer.getGraphics();
 	}
+
+	private static BufferedImage resize(BufferedImage img, int newWidth, int newHeight)
+	{
+		Image tmp = img.getScaledInstance(newWidth, newHeight, Image.SCALE_FAST);
+		BufferedImage bufferedImage = new BufferedImage(newWidth, newHeight, BufferedImage.TYPE_INT_RGB);
+
+		Graphics2D graphics = bufferedImage.createGraphics();
+		graphics.drawImage(tmp, 0, 0, null);
+		graphics.dispose();
+
+		return bufferedImage;
+	}
 }