Added gradle and cmake project

*** 52,64 ****
--- 52,67 ----
  
  import sun.awt.image.SunVolatileImage;
  import sun.awt.image.ToolkitImage;
  
  import sun.java2d.SunGraphics2D;
+ import sun.java2d.macos.MacOSFlags;
+ import sun.java2d.metal.MTLRenderQueue;
  import sun.java2d.opengl.OGLRenderQueue;
  import sun.java2d.pipe.Region;
  
+ import sun.java2d.pipe.RenderQueue;
  import sun.util.logging.PlatformLogger;
  
  import javax.swing.JComponent;
  import javax.swing.SwingUtilities;
  import javax.swing.RepaintManager;
*** 1416,1426 ****
              }
          }
      }
  
      protected static final void flushOnscreenGraphics(){
!         final OGLRenderQueue rq = OGLRenderQueue.getInstance();
          rq.lock();
          try {
              rq.flushNow();
          } finally {
              rq.unlock();
--- 1419,1430 ----
              }
          }
      }
  
      protected static final void flushOnscreenGraphics(){
!         RenderQueue rq = MacOSFlags.isMetalEnabled() ?
!                 MTLRenderQueue.getInstance() : OGLRenderQueue.getInstance();
          rq.lock();
          try {
              rq.flushNow();
          } finally {
              rq.unlock();