Ability to specify border color

Co-authored-by: sigonasr2 <sigonasr2@gmail.com>

src/sig/engine/Panel.java

@@ -68,6 +68,7 @@ public class Panel extends JPanel implements Runnable,KeyListener {
 	int ACTUAL_WINDOW_WIDTH,ACTUAL_WINDOW_HEIGHT;
 	Point<Integer> vViewSize = new Point<Integer>(1,1);
 	Point<Integer> vViewPos = new Point<Integer>(1,1);
+	java.awt.Color borderCol = java.awt.Color.BLACK;
 
 	static Cursor currentCursor = new Cursor(Cursor.DEFAULT_CURSOR);
 	// Recursive function to return gcd of a and b in single line
@@ -276,10 +277,15 @@ public class Panel extends JPanel implements Runnable,KeyListener {
         } 
     }
 
+	public void SetBorderColor(Color col){
+		borderCol=new java.awt.Color(col.r,col.g,col.b);
+	}
+
 	@Override
     public void paintComponent(Graphics g) {
 		// perform draws on pixels
 		long startTime = System.currentTimeMillis();
+		g.setColor(borderCol);
 		g.fillRect(0,0,getWidth(),getHeight());
 		g.drawImage(imageBuffer,vViewPos.x,vViewPos.y,vViewSize.x+vViewPos.x,vViewSize.y+vViewPos.y,0,0,ACTUAL_WINDOW_WIDTH,ACTUAL_WINDOW_HEIGHT,this);
 		scaleTime=System.currentTimeMillis()-startTime;