Slick Forums

   //you can fade the result by changing the alpha component -- RGB will be ignored
   private Color alphaFilter = new Color(1f, 1f, 1f, 1f);

   //you can tint the result by changing the RGB components -- alpha will be ignored
   private Color colorFilter = new Color(1f, 1f, 1f, 1f);

   public void render(GameContainer c, Graphics g) throws SlickException {
      //render the map first
      g.setDrawMode(Graphics.MODE_ALPHA_MAP);
      alpha.draw(50, 50, 500, 500);
      
      //render the image we want blended
      g.setDrawMode(Graphics.MODE_ALPHA_BLEND);
      clouds.draw(50, 50, 500, 500, alphaFilter);
      
      //then reset draw mode to normal
      g.setDrawMode(Graphics.MODE_NORMAL, colorFilter);
   }